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Develop Samsung Pay
docconfigure webview enablements to invoke samsung pay application in webview, you should override the shouldoverrideurlloading method javascript and dom storage are disabled in a webview by default you can enable the both through the websettings attached to your webview websettings allows any website to use javascript and dom storage for more information, visit websettings sample code kotlin import android webkit webview import android webkit webviewclient import android content intent import android content activitynotfoundexception companion object { private const val samsung_pay_url_prefix string = "samsungpay" private const val samsung_app_store_url string = "samsungapps //productdetail/com samsung android spay" } private lateinit var webview webview webview settings run { javascriptenabled = true domstorageenabled = true } webview webviewclient = object webviewclient { override fun shouldoverrideurlloading view webview, request webresourcerequest boolean { // get url from webresourcerequest val url = request url tostring // add below if statement to check if url is samsung pay or samsung app store deep link if url startswith samsung_pay_url_prefix || url startswith samsung_app_store_url , ignorecase = false { try { val intent = intent parseuri url, intent uri_intent_scheme startactivity intent } catch e activitynotfoundexception { // exception would be occured if the samsung wallet app is not installed // go to install samsung wallet app from market val installintent = intent parseuri "samsungapps //productdetail/com samsung android spay", intent uri_intent_scheme installintent addflags intent flag_activity_new_task startactivity installintent } // return true will cause that the url will not be loaded in webview return true } // the remaining part of the shouldoverrideurlloading method code // return false when you want to load url automatically by webview return false } }
web
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Develop Samsung Blockchain
dockey management in this section, we will cover general terms – public key, private key, and an address, and how samsung blockchain keystore generates and manages these keys samsung blockchain keystore is a hierarchical deterministic hd wallet and follow the industry standards of bip-32, bip-39 and bip-44 bip stands for bitcoin improvement proposal by implementing these standards, samsung blockchain keystore aim to provide better user experience to back up the wallet, since the user only needs to keep the root seed of the private and public keys safe it is just the 12 words generated from samsung blockchain keystore that user needs to remember or write down we will look into how this is achieved by implementing hierarchical deterministic wallet in samsung blockchain keystore public key, private key, and address the key pair is mandatory to participate in the blockchain network this key pair is composed of a public key and a private key public key is used to derive an address that is used like a user’s account in blockchain it is safe to share the public key or the address with others on the other hand, a private key is used to sign transactions and must be kept secret anyone who has access to the private key can sign transactions and spend cryptocurrency or use crypto-assets without user’s permission simply put, the private key is a random number based on the private key, there are algorithms, like elliptic curve digital signature algorithm ecdsa that derives the public key this algorithm may differ depending on the blockchain platform but one interesting characteristic of a public key is that it is derived from a private key, but the other way around is not possible – public key cannot derive nor predict the private key the same relationship applies to the public key and the address address, which is used like a user’s account, cannot derive any public keys since a private key is a random number, this implies that the randomness of a private key generation must be guaranteed yet, software random number generators, also known as pseudo random number generators, are known to have security vulnerabilities because the public key and address format differs by blockchain platforms, user needs to have one key pair for ethereum, another key pair for bitcoin, and etc if a user wants several accounts for ethereum, then that many number of key pairs will be required moreover, bitcoin uses countless number of accounts, because after a transaction has been made, any bitcoin changes after the transaction is returned to a different account of the user’s in other words, it becomes very complex and inconvenient if a user would have to save a key pair for every blockchain account that the user holds samsung blockchain keystore aims to reduce this by implementing hierarchical deterministic wallet hierarchical deterministic wallet hd wallet hierarchical deterministic wallet allows these multiple key pairs to be derived from a single root seed called, “root seed ” root seed is the root of a large tree of public and private keys this root seed is the only thing that user needs to store and back up this is the key to access all of your crypto secrets, so how it is generated and stored should be kept in a secure environment root seed is between 128 and 256 bits and because the physical look of root seed is not very user friendly, and is a combination of “0” and “1”, there is an industry standard, to replace them with mnemonic words, or a group of words for example, if the root seed is 128 bits, then with the checksum of 4 bits, a total of 132 bits is split into a group of 11 bits each group falls into a group number between 0 and 2047, which is an index to a wordlist of 2048 words these index numbers are then converted into the corresponding words and the combination of 12 words make up “recovery phrase” in samsung blockchain keystore generating root seed and mnemonic words in samsung blockchain keystore samsung blockchain keystore generates the root seed by trusted app in trusted execution environment, by the steps below ① true random number generator trng , also known as hardware random number generator, that is embedded into samsung device chipsets, generates an initial entropy length ent of 128 random bits elaborating more on ent, industry standard allows 128 to 256 bits, in multiple of 32 bits depending on the length of the initial entropy length, the number of words that this will be converted into will differ, from 12 to 24, in multiple of 3 ② samsung blockchain keystore takes the first 4 bits of the sha-256 hash of the 128 bits to generate something called, “checksum ” theoretically, it is ent/32 that is taken to generate the checksum so for samsung blockchain keystore, ent is 128 bits, resulting in 4 bits of checksum for other wallets that generate 24 words with the ent of 256 bits, 8 bits are used as a checksum ③ samsung blockchain keystore appends the previously generated 4 bits of checksum to the initial entropy length, resulting in 132 bits ④ 132 bits combination of initial entropy length and checksum are divided into 11 bits, resulting in 12 words, “mnemonic codes” these 12 words are industry standard, and is one of the 2048 words on the bip-39 english wordlist ⑤ because the 12 words follow bip-39 standard used in the industry, user can back up wallet on a different samsung device that supports samsung blockchain keystore, or other wallets that are bip-39-compatible importing a wallet when a user imports a wallet in samsung blockchain keystore, the user will enter the 12, 18 or 24 words into the trusted user interface tui that will protect user’s input this time, samsung blockchain keystore will convert the mnemonic words entered in order to the original root seed the root seed is the one and only source that samsung blockchain keystore will save in a secure area likewise, this will become the source to generate countless number of public keys and sign transactions with the private keys when a request is made randomly entering mnemonic words to guess recovery phrase some may raise a question on the feasibility of guessing the words among 2048 words on the mnemonic words list and somehow, getting access to the private key that corresponds to the recovery phrase but it’s not just the words of 12 to 24 in multiple of 3, that have to correctly chosen, but the order of these words have to be correct as well this is because if you are using 12 words, then 128 bits must be correctly guessed, and 266 bits for 24 words choice between 0 and 1 on 128 bits give us 2 x 2 x 2 x … 2 = 2128 of the possible root seeds, and 2^256 cases for 24 words moreover, the checksum of 4 bits for 12 words, and 8 bits for 24 words, protects randomly making a combination of words when importing a wallet in samsung blockchain keystore, there is a checksum check after user has entered 12, 18 or 24 words, and it will throw an error that the combination of words entered isn’t a valid recovery phrase the user will receive absolutely no information on which words make the checksum invalid, making it even more difficult to randomly guess the recovery phrase hd path the hd wallet is a tree of theoretically infinite number of private and public keys one interesting fact is that it allows derivation of a child keys from the root seed via a function defined in bip-32 standard, “child key derivation ckd functions ” this means with the root seed and the location of the tree, key derivation is feasible more details on the key derivations can be found in the appendix the location in the tree is called a “path” and bip-44 standard defines the standard to unify rules for wallet’s compatibility of these hd key generation hence developers just need to specify the path to derive the address from, and whoever keeps the root seed will be able to calculate and return the actual key value for that specified location each depth is represented by “/” in the hd path and the apostrophe ‘ implies that the depth is hardened the following is hd path level standard defined in bip-44 ![] /sd2_images/services/blockchain/hd_path _level_standard png purpose’ is “44” here, with the implication that it is the following bip-44 standard coin_type’ tells if it is ethereum, bitcoin, or other coins the algorithms to derive the public key from the private key can differ by the coin type, though both ethereum and bitcoin use ecdsa algorithm the number is constant and set for each crypto, and it can be registered in slip-0044 slip satoshilabs improvement proposals , managed by satoshilabs for example, it is “0” for bitcoin, and “60” for ethereum account‘ represents multiple accounts number and is usually ‘0’ change is usually used in bitcoin, using “1” for the account to receive all the changes after sending bitcoins to other accounts normally, “0” is used address_index is the last depth, and usually starts with 0, and increases by one, when you “add” an account in a wallet for example, hd path for the first account of ethereum is m/44’/60’/0’/0/0 and for the second account of bitcoin is m/44’/0’ /0’/0/1 use of hd path in samsung blockchain keystore samsung blockchain keystore can be used to 1 derive an address or extended public key and 2 sign a transaction to consume these two features, developers of dapps or wallets will need to define, where in the hd tree, they would like to derive the public key from, and use the corresponding private key to sign the transaction hd path is a required parameter for apis related to the two features below get address from samsung blockchain keystore if you are a dapp or wallet developer, you can use samsung blockchain keystore to first get the user’s address or extended public key public key and the chain code , and search on the blockchain ledger, transaction history and records of the user, so that user can know how much cryptocurrency or crypto-asset is remaining here’s a brief flow of getting the address ① wallet or dapps will make a request to samsung blockchain keystore to derive an address or extended public key for hd path “m/44’/60’/ 0’/0/0” ethereum account ② using samsung blockchain keystore sdk, wallet/dapp’s request will be passed to samsung blockchain keystore ③ once samsung blockchain keystore will receives the request to get the address or extended public key, it will pass onto the controller to communicate with trusted app to derive the public key ④ root seed is stored safely in a secure area, and the derivation of the extended public key public key and the chain code of the hd path, is executed by trusted application in trusted execution environment ⑤ derived public key will be then passed to samsung blockchain keystore app to derive the address, where one more algorithm function will be executed ⑥ after the calculation, the address that corresponds to the requested hd path will be returned to wallet or dapp via samsung blockchain keystore sdk sign a transaction by samsung blockchain keystore the user will now want to make a transaction, such as sending cryptocurrencies, that will require the user to “write” on the ledger this change needs to be signed by the private key that corresponds to the user’s address, derived from user’s public key below is a diagram and explanation for each step ① wallet or dapps will make a request to samsung blockchain keystore to sign a transaction a correctly formatted transaction without the signature part, and hd path to derive the private key to sign the transaction will be needed ② using samsung blockchain keystore sdk, wallet/dapp’s request will be passed to samsung blockchain keystore ③ once samsung blockchain keystore will receives the request to get the public key, it will pass onto the controller to communicate with trusted app ④ trusted app will first parse the transaction, and show critical information on tui, such as recipient address, amount and fees after user checks the transaction details, user will confirm it via pin verification or fingerprint authentication ⑤ after the user’s confirmation, the safely stored root seed will now be used to derive the private key that corresponds to the hd path that was passed with the transaction request then the trusted application will sign the transaction with the derived private key likewise, these are all executed in trusted execution environment ⑥ the signed transaction will be returned to samsung blockchain keystore app ⑦ samsung blockchain keystore app will return the signed transaction to wallet/dapp via samsung blockchain keystore sdk and wallet/dapps can now submit the signed transaction to the blockchain network more details on the bip-32, bip-39 and bip-44 can be found in the following links **bip-32 ** hierarchical deterministic wallets [https //github com/bitcoin/bips/blob/master/bip-0032 mediawiki] https //github com/bitcoin/bips/blob/master/bip-0032 mediawiki bip-39 mnemonic code for generating deterministic keys https //github com/bitcoin/bips/blob/master/bip-0039 mediawiki#wordlists bip-44 multi-account hierarchy for deterministic wallets https //github com/bitcoin/bips/blob/master/bip-0044 mediawiki slip-44 registered coin types for bip-0044 https //github com/satoshilabs/slips/blob/master/slip-0044 md
Develop Samsung Pay
docflutter plugin overview samsung pay sdk flutter plugin enables to use the samsung pay sdk the primary aim of the samsung pay sdk is to integrate selected samsung wallet features with flutter based android apps on samsung devices the following major operations are supported in the plugin in-app payment gives customers the option of paying for products and services with samsung wallet push provisioning allows customers add a bank card to samsung wallet from the issuer app by providing the required card details to integrate partner applications with the samsung pay sdk flutter plugin, the following components are included in the download samsung pay sdk flutter plugin contains classes, interfaces, and required libraries of samsung pay which is required to communicate with samsung pay services api reference provides descriptions of the apis included in the samsung pay sdk flutter plugin sample merchant app and sample issuer app showing how samsung pay apis can be coded in a finished flutter plugin project all major operations of the samsung pay sdk flutter plugin are implemented for demonstration purposes samsung pay sdk flutter plugin architecture the following diagram shows a high-level architecture revealing the general interactions between the samsung pay sdk flutter plugin and a partner app viewed at this level, the partner apps leverage the samsung pay sdk flutter plugin to perform the operations shown ― push provisioning and opening favorite cards for issuers; online payments for merchants ― with samsung pay the key components involved are partner app - merchant- or issuer-developed app for making online/offline payments and provisioning payment cards through samsung pay samsung pay sdk flutter plugin - sdk integrated into the partner app for direct communication with samsung pay samsung pay app - pay app that the samsung pay sdk communicates with financial network - comprises the payment gateways, acquirers, card associations, and issuers that participate in transaction processing under agreement with the merchant setting up flutter plugin environment the importance of maintaining a good development environment cannot be overstated for integrating the samsung pay sdk flutter plugin with your partner app, the following prerequisites and recommendations help ensure a successful plugin integration and implementation please check the requirements below for the samsung pay sdk flutter plugin for android and system requirements please check the samsung pay android sdk overview to develop a samsung pay sdk flutter plugin service, merchants and issuers need to create service please check this guide for service creation process service registration download the samsung pay sdk flutter plugin to use the plugin the plugin has the following directory structure folder contents docs api reference documentation libs samsungpaysdkflutter_v1 01 00 flutter plugin – contains the samsung pay apis to be used by your partner app samples sample apps integrate samsung pay sdk flutter plugin with your project be sure to do the following before attempting to use the plugin if not already part of your environment, download and install an ide android studio is recommended download the samsung pay sdk flutter plugin configure your ide to integrate the samsung pay sdk flutter plugin with your partner app go to pubspec yaml and enter the following dependency dependencies samsung_pay_sdk_flutter path plugin_directory_path\ [note] if your plugin path is c \users\username\downloads, the dependency will be like below dependencies samsung_pay_sdk_flutter path c \users\username\downloads\ for android proguard rules and dexguard, please check the android sdk overview
Develop Samsung Blockchain
docgetting started the following steps should be followed before integrating the samsung blockchain platform sdk prepare samsung galaxy device to run your apk check your development environment android minimum api level for samsung blockchain platform sdk 24 noteminimum build level for samsung blockchain platform sdk is 21, but will properly work from level 24 configure your ide to integrate samsung blockchain platform sdk with your android app create an “aar” directory if you don’t have one, and add the blockchainplatformsdk_1 2 03 aar to ”aar” directory in your android project go to gradle scripts > build gradle and enter the following dependencies dependencies { repositories { flatdir{ dirs 'aar' } } implementation name 'blockchainplatformsdk_1 2 03', ext 'aar' // network implementation 'com squareup retrofit2 retrofit 2 6 0' implementation 'com squareup retrofit2 converter-gson 2 6 0' implementation 'com squareup okhttp3 logging-interceptor 3 8 0' implementation 'com google code gson gson 2 8 5' // web3j implementation 'org web3j core 4 8 8-android' // for check developer mode implementation 'org ini4j ini4j 0 5 4' // dagger implementation 'com google dagger dagger 2 21' annotationprocessor 'com google dagger dagger-compiler 2 21' implementation "io reactivex rxjava2 rxjava 2 2 8" implementation "io reactivex rxjava2 rxandroid 2 1 1" // protobuf implementation 'com google protobuf protobuf-java 3 9 1' implementation 'com google protobuf protobuf-gradle-plugin 0 8 10' } import the package into your code import com samsung android sdk blockchain *; samsung blockchain platform sdk supports 2 kinds of hardware wallet samsung blockchain keystore ledger's devices like nano x, nano s notetransactions on evm-compatible networks binance smart chain, klaytn, polygon, avalanche c-chain and fantom are signed from the hardware wallets using the same pathway as that of ethereum for these transactions, currency unit displayed on hardwarewallet, such as samsung keystore or ledger, will show eth as currency unit instead of bnb, klay, matic, avax and ftm development setting guide for each environment is as follows integration with samsung blockchain keystore samsung blockchain keystore is compatible with selected samsung devices only you need to have one of selected samsung devices to run your app with samsung blockchain keystore please refer to the restrictions check your development environment android minimum api level for samsung blockchain keystore 28 notesamsung blockchain platform sdk requires samsung blockchain keystore that is higher than 1 5 1 download the samsung blockchain keystore sdk set 'developer mode' to test your app without app id verification you can find more information about app id scw_app_id , here add "blockchainkeystoresdk_v1 6 0 aar" to "aar" directory in your android project go to gradle script > build gradle and add below dependency dependencies { // keystore sdk implementation name 'blockchainkeystoresdk_v1 6 0', ext 'aar' } integration with nano x or nano s by ledger there is no restrictions to link with ledger device so any samsung galaxy mobile is ok to test your app which is integrated with samsung blockchain platform sdk when you sign with ledger device check your development environment ledger nano x 1 2 4-1 or higher ledger nano s 1 6 or higher ledger ethereum app 1 9 8 or higher you can refer ledger's guide page to get started go to gradle > build gradle and add below dependency dependencies { // ledger implementation 'com ledger lib ledger-android-library 1 2 2' }
Develop Samsung Wallet
docnotifications for partners partners can use pre-approved templates to send notifications to users who have their wallet cards importantonly authorized partners can use the notification feature the notification tab is not displayed to unauthorized partners register notification template partners can create a template for sending notifications on each of their wallet cards either through the partner portal or by using a separate api type partners can only choose the merchant push type message type you can choose a message type from marketing or others rejected comment if the merchant push notification is rejected after request approval, you can modify the message template the administrator registers the reason for rejection when rejecting the merchant push notification it is sent to the partner by email from the system, including the reason for rejection partners can request for approval again by checking the reason for rejection and modifying the message template approved date displays the date and time when the push message is approved by the administrator message template you can create the contents of the push, and it is also possible to put the available variables in '{{}}' after configuring the content, click harmfulness verification to verify whether there is a harmful expression in the content the verified result is displayed as pass or fail, and if it is fail, it shows the filtered harmful expression together even if the verified result is fail, an approval request can be made, but it can be rejected by the administrator if a different language is added to the default language in general information, the message template must also be entered for each added language request approval button after completing the message template, click this button to send an e-mail requesting approval to the administrator notification with a reference id this api allows partners to push notification to users who have their own wallet cards this request must include a reference id to receive the message and a template id this template id is issued when a partner creates a template through the portal only templates pre-approved by the administrator can be used this reference id is a unique identifier generated by the partner during add to wallet process [request] type value description method post url /{cc2}/wltex/cards/{card id}/notifications/{template id}/send header authorizationstring 1024 required credential token the token can have prefix "bearer" as an authorization type e g , bearer <credentials> * refer to authorization token for more details x-smcs-partner-idstring 32 required partner id x-request-idstring 32 required request identifier randomly generated uuid string path parameters cc2string 2 required country code cc2 from send card state card idstring 32 required wallet card identifier granted from partners portal template idstring 32 required approved notification template identifier from partners portal payload ndatastring required notification object json * this field needs to be encrypted * refer to security for more details * the value of "cty" must be set to "notification" notification object refidsarray of string 100 required unique content identifier defined by the content provider data object required name-value pair for use in notification template [example] post /wltex/cards/12584806754/notifications/12353465344/send /*[headers]*/ authorization bearer eyjjdhkioijbvvriiiwidmvyijoxlcjwyxj0bmvyswqioiixmjg1o x-smcs-partner-id partner-id-0001 x-request-id req-202303140003 /*[payload]*/ { “ndata” “eyjjdhkioijbvvriiiwidmvyi…” } /*[notification object]*/ { "refids" [ "ref-20230304-0003", "ref-20230304-0004" ], "data" { "name" "logan", "place" "samsung wallet" } } [response] type value description http status 200 ok payload n/a [result] http status code description 200 ok success 400 bad request requests cannot or will not be processed the request due to something that is perceived to be a client error 401 unauthorized authorization token is invalid or expired 500 internal server error the server encountered an unexpected condition that prevented it from fulfilling the request
Develop Samsung Pay
apioverview package class tree index help package com samsung android sdk samsungpay v2 interface apptoappconstants all known implementing classes cardmanager, watchmanager public interface apptoappconstants this interface provides the common values of watchmanager and cardmanager since api level 2 5 field summary fields modifier and type field description static final int error_auth_code_expired this error indicates that auth code is expired this is returned as spaysdk extra_error_reason for error_verify_card error static final int error_auth_code_invalid this error indicates that auth code is invalid this is returned as spaysdk extra_error_reason for error_verify_card error static final int error_auth_code_max_try_reached this error indicates that maximum idnv try reached this is returned as spaysdk extra_error_reason for error_verify_card error static final int error_auth_code_type_invalid this error indicates that auth code type is invalid this is returned as spaysdk extra_error_reason for error_verify_card error static final int error_authentication_closed this error indicates that authentication is force closed during update card service static final int error_authentication_failed this error indicates that authentication is failed during update card service static final int error_authentication_not_ready this error indicates that authentication is not ready state during update card service static final int error_authentication_timed_out this error indicates that authentication is closed due to timeout during update card service static final int error_card_already_registered this error indicates that the requested operation is already done and this operation cannot be performed again this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error static final int error_card_idv_not_supported this error indicates that the card does not support any idnv this is returned as spaysdk extra_error_reason for error_verify_card error static final int error_card_not_supported this error indicates that card is not supported this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error static final int error_framework_internal this error indicates that an error occurred in payment framework while processing the request this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error for example, unable to load certificate from ta, unable to access payment framework db, and so on static final int error_invalid_card this error indicates that the card is invalid this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error static final int error_invalid_cardinput this error indicates that the user entered invalid card information this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error static final int error_max_card_num_reached this error indicates that the maximum number of card limit has reached and user cannot add more card to samsung pay this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error static final int error_max_pan_provision_num_reached this error indicates that the limit number of enrollments of this pan has reached and user cannot add this pan this time static final int error_server_reject this error indicates that the server declined the request this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error static final int error_tsm_fail this error indicates that tsm error is reported during card downloading static final int error_verify_card this error indicates that server was unable to verify the card operation this may be due to invalid verification code static final int error_wallet_id_mismatch this error indicates that wallet id is mismatch this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error static final string extra_app2app_intent key to represent app2app intent name defined by issuer server static final string extra_app2app_payload key to represent app2app payload sent by issuer server static final string extra_card_balance key to represent card balance static final string extra_card_status_reason key to represent extra card status for issuer app static final string extra_issuer_app_card_linked key to represent extra card information for card link field details error_verify_card static final int error_verify_card this error indicates that server was unable to verify the card operation this may be due to invalid verification code since api level 1 2 see also constant field values error_card_already_registered static final int error_card_already_registered this error indicates that the requested operation is already done and this operation cannot be performed again this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error since api level 1 2 see also constant field values error_framework_internal static final int error_framework_internal this error indicates that an error occurred in payment framework while processing the request this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error for example, unable to load certificate from ta, unable to access payment framework db, and so on since api level 1 2 see also constant field values error_invalid_card static final int error_invalid_card this error indicates that the card is invalid this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error since api level 1 2 see also constant field values error_invalid_cardinput static final int error_invalid_cardinput this error indicates that the user entered invalid card information this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error since api level 1 2 see also constant field values error_server_reject static final int error_server_reject this error indicates that the server declined the request this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error since api level 1 2 see also constant field values error_max_card_num_reached static final int error_max_card_num_reached this error indicates that the maximum number of card limit has reached and user cannot add more card to samsung pay this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error since api level 1 2 see also constant field values error_tsm_fail static final int error_tsm_fail this error indicates that tsm error is reported during card downloading this is for tsm solution only since api level 1 4 see also constant field values error_authentication_not_ready static final int error_authentication_not_ready this error indicates that authentication is not ready state during update card service since api level 1 8 see also constant field values error_authentication_failed static final int error_authentication_failed this error indicates that authentication is failed during update card service since api level 1 8 see also constant field values error_authentication_closed static final int error_authentication_closed this error indicates that authentication is force closed during update card service since api level 1 8 see also constant field values error_authentication_timed_out static final int error_authentication_timed_out this error indicates that authentication is closed due to timeout during update card service since api level 1 8 see also constant field values error_card_not_supported static final int error_card_not_supported this error indicates that card is not supported this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error since api level 2 5 see also constant field values error_max_pan_provision_num_reached static final int error_max_pan_provision_num_reached this error indicates that the limit number of enrollments of this pan has reached and user cannot add this pan this time user needs to contact issuer to resolve this issue this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error since api level 2 5 see also constant field values error_wallet_id_mismatch static final int error_wallet_id_mismatch this error indicates that wallet id is mismatch this is returned as spaysdk extra_error_reason for spaysdk error_registration_fail error since api level 2 5 see also constant field values error_auth_code_invalid static final int error_auth_code_invalid this error indicates that auth code is invalid this is returned as spaysdk extra_error_reason for error_verify_card error since api level 2 7 see also constant field values error_auth_code_expired static final int error_auth_code_expired this error indicates that auth code is expired this is returned as spaysdk extra_error_reason for error_verify_card error since api level 2 7 see also constant field values error_auth_code_max_try_reached static final int error_auth_code_max_try_reached this error indicates that maximum idnv try reached this is returned as spaysdk extra_error_reason for error_verify_card error since api level 2 7 see also constant field values error_auth_code_type_invalid static final int error_auth_code_type_invalid this error indicates that auth code type is invalid this is returned as spaysdk extra_error_reason for error_verify_card error since api level 2 7 see also constant field values error_card_idv_not_supported static final int error_card_idv_not_supported this error indicates that the card does not support any idnv this is returned as spaysdk extra_error_reason for error_verify_card error since api level 2 7 see also constant field values extra_app2app_intent static final string extra_app2app_intent key to represent app2app intent name defined by issuer server since api level 1 1 see also constant field values extra_app2app_payload static final string extra_app2app_payload key to represent app2app payload sent by issuer server since api level 1 1 see also constant field values extra_card_balance static final string extra_card_balance key to represent card balance since api level 1 8 see also constant field values extra_card_status_reason static final string extra_card_status_reason key to represent extra card status for issuer app since api level 1 4 see also constant field values extra_issuer_app_card_linked static final string extra_issuer_app_card_linked key to represent extra card information for card link since api level 2 2 see also constant field values samsung electronics samsung pay sdk 2 22 00 - nov 19 2024
Develop Samsung Pay
docbecome a member to become a samsung pay partner, firstly you need to sign up to the samsung pay portal and then register your membership sign up/sign in to sign up as a samsung pay partner and request access to the samsung pay developers site, do the following in your browser, go to samsung pay developers if you already have a samsung account, click log in otherwise, click sign up and create an account a company business email address that won't change over time is recommended as the primary samsung account user id for managing your portal projects agree to the site's terms and conditions and acknowledge that you understand the samsung pay partners privacy policy, then click create a samsung account fill out the onscreen account creation form, making sure to correctly type the security code, then click continue click sign up, enter your samsung account id email address and password, then click sign in look in your email inbox for a welcome message with an account activation link and click the link this opens the developers site registration page complete the company and user profile described in the next step to become a registered samsung pay developer partner register your membership while becoming a member of the samsung pay developer community, you need to provide some information about your company - contact information, type of business, size, etc this information is entered into a company and user profile, which you can subsequently update as changes occur if you are the first one in your company to join samsung pay developers, you will be the principal contact as such, you will be given permissions to manage projects and invite others in your company to collaborate if you are an invited co-worker, you'll need your company's partner id to register follow these steps to register if you are the first samsung pay member of your company to register, select the first option "i am the first samsung pay member of my company" if you were given a samsung pay partner id by a co-worker, select the second option "my company is already registered" and enter your company's partner id in the field provided click next complete the company information form and agree to the terms and conditions of use, then click save and next if you cannot complete the profile at this time, click skip and verify later complete the user information form, then click done; or, if you cannot provide the information at this time, click skip and verify later upon review of the information provided, your samsung pay relationship manager rm may request additional details once your membership registration is approved, you'll be granted access to currently restricted areas of the samsung pay portal and you can invite members of your team to collaborate on your samsung pay projects until then, take advantage of valuable resources like the samsung pay sdk and sdk programming guide from the following link android sdk [in-app payment and push provisioning] https //developer samsung com/pay/native/sdk-overview html web checkout sdk https //developer samsung com/pay/web/overview html w3c mobile payment https //developer samsung com/internet/android/web-payments-integration-guide html when you receive the email notifying you of membership approval, you're ready to get started in your browser, return to the samsung pay portal and sign in set up your partner project when you integrate your project with samsung pay, it is important to have a clear understanding of what is involved for starters, consider the difference between apps and services app an app can be your issuer app or merchant app service a service is a combination of your app, its service type, a csr and a service id your app will pass these information to samsung wallet for partnership verification you can create different service for the same package for multiple purpose testing note that,only one application can be added under one service id for example app deployment scenario unique service-app combinations global issuer app using a different csr encryption key for services in different regions to interact with local servers service 1 = com issuer walletapp, csr1_us service 2 = com issuer walletapp, csr2_plcc_abcmart same issuer app for all customers but different csrs for managing different card services b2b vs plcc service 1 = com issuer walletapp, csr1_regular service 2 = com issuer walletapp, csr2_plcc_abcmart multiple merchant apps using the same pg service 1 = com merchant electronicsapp, csr_pg1 service 2 = com merchant groceryapp, csr_pg1 global merchant app using a different pg for each country service 1 = com merchant electronicsapp, csr_pg1 service 2 = com merchant electronicsapp, csr_pg2 multiple web sites using the same pg service 1 = electronicssite merchant com, csr_pg1 service 2 = grocerysite merchant com, crs_pg1 global merchant web site using a different pg for each country service 1 = electronicsapp merchant com, csr_pg1 service 2 = electronicsapp merchant com, csr_pg2 create new service to create a new service follow the below steps go to my projects > service management or click services management in the navigation panel on the left, then click create new service select for test or for release to define the service for integration with samsung pay, then click next note that, samsung pay will verify all services requested only for release purpose this is to ensure all samsung pay features are functioning correctly and follows samsung pay guideline select your desired service type web online payment service w3c mobile web payments in-app online payment service app to app card enrollment click save and next web online payment service enter the new service name select your service country select your payment gateway from the list of supported payment gateways if your payment gateway uses the network token mode, upload the certificate signing request csr you obtained from your pg supported formats are csr or pem contact your pg for details confirm your agreement with the portal's terms and conditions click the link to read and print , then click done thus, you have completed service configuration for web online payment w3c mobile web payments service enter the new service name select your service country select your payment gateway from the list of supported payment gateways if your payment gateway uses the network token mode, upload the certificate signing request csr you obtained from your pg supported formats are csr or pem contact your pg for details enter the payment domain name s for your website in the service domain field and click add for example, if your domain is mywebstore com but the checkout page is hosted on the subdomain payments mywebstore com, you will need to enter payments mywebstore com as the service domain in the portal for each additional domain name, click add confirm your agreement with the portal's terms and conditions click the link to read and print , then click done thus, you have completed service configuration for w3c mobile web payments in-app online payment service enter the new service name select your service country select your payment gateway from the list of supported payment gateways drag and drop the csr you share with your payment gateway in the box provided or click the paperclip to browse confirm your agreement with the portal's terms and conditions click the link to read and print , then click save and next app to app card enrollment service enter the new service name select your service country add issuer names these correspond to your financial institution/bank's name s registered with the card networks be sure to click the add button after each entry note that, the issuer name on the samsung pay portal and the actual issuer name of the card must match if you cannot confirm the actual issuer name of the card, just add your card to samsung wallet app and see its details information open wallet app > tap on the card > three-dot menu > customer services option under the title you will find the issuer name confirm your agreement with the portal's terms and conditions click the link to read and print , then click save and next for android sdk in-app online payment service and push provisioning service , you have to go through two additional steps- providing app information and setting test environment providing app information if you have already registered an app following register a partner app for android sdk section, select i already registered app information then select the desired app name from the app list you can add a new app on the fly by selecting i will upload new app information click next setting test environment now enter up to 30 test accounts comma-separated these are samsung accounts associated with a registered samsung pay app on a supported device you can always edit the service later to add or delete test accounts click done to save the service configuration and see it listed in your service management dashboard register a partner app for android sdk go to my projects > app management in the navigation panel on the left, then click add new app enter the app name enter its package name to specifically identify this app enter an app description optional; helpful for version control upload the apk file by dragging and dropping it in the corresponding box click the paperclip icon to browse upload representative screenshots showing ui branding elements/buttons in a supported format png, jpeg, gif indicating samsung pay as a supported payment option in your app steps 5 and 6 are required for release versions of your app; not required for initial integration testing click create, then click next at the bottom of the plug-in configuration page your newly added app is now listed in your app management dashboard you can view its details by clicking its app name then, on the app details page, you can edit the app name and description by clicking the corresponding pencil icon
Develop Samsung Blockchain
docapi implementation samsung blockchain keystore api level get instance get seedhash check for mandatory app update is root seed backed up get supported coins get hd path get a list of addresses get a list of extended public keys sign a transaction is reboot authentication required go to samsung blockchain keystore settings handle error codes deeplinks samsung blockchain keystore api level samsung blockchain keystore api level plays a key role to ensure that the required api level of samsung blockchain keystore on a user’s device is properly installed to support the api that your android app tries to call for example, if your android app is trying to implement a new samsung blockchain keystore api that requires “api level 2”, your android app will need to check whether samsung blockchain keystore app installed on user’s device also supports api level 2 if a user’s app supports api level 1, then your app will need to guide users to update samsung blockchain keystore app to the latest version users can be directed to the update page in galaxy store otherwise, there will be a runtime exception due to api level exception when calling apis with level higher than the level supported by the user’s version the api level for each api will be mentioned in the javadoc, under “since” title, and developers can call “getkeystoreapilevel api” to check the current api level on the user’s device your android app will need to check the api level whenever needed – it may be at the beginning of running samsung blockchain keystore app or every time your app calls an api public void getkeystoreapilevel { int keystoreapilevel = scwservice getinstance getkeystoreapilevel ; boolean iskeystoreapisupported = keystoreapilevel > 0; } get instance scwservice getinstance will need to be used to call any of the apis provided by samsung blockchain keystore if samsung blockchain keystore is supported on the device, an instance will be returned if it is not available on the device, then null will be returned if null is returned, it means samsung blockchain keystore is not supported on the user’s device a different keystore or a wallet needs to be used scwservice scwserviceinstance = scwservice getinstance ; get seed hash getseedhash api aims to help developers distinguish two things 1 check whether user has set up samsung blockchain keystore 2 check whether root seed recovery phrase has been changed or not every time a new root seed or a wallet is created or restored, the seed hash in a string value will be changed actually, this is not the preimage of the real seed, but a pseudo hash value so, it is not possible to calculate the real seed with the pseudo one it is strongly recommended for the application to cache the returned hash value to reduce the number of times to check the derived address’s validity if the returned value is same as cached, the derived addresses are still valid, so the application keeps using these addresses otherwise, the application should refresh the addresses from new seed with getaddresslist or getextendedpublickeylist api whenever the application starts, it needs to call getseedhash in case that the returned value is a zero-length string, it means that there is no wallet in the samsung blockchain keystore so, the application ui needs to guide users to jump to samsung blockchain keystore to create a wallet with scwdeeplink main deeplink public void getseedhash { string seedhash = scwservice getinstance getseedhash ; boolean initialized = seedhash != null && seedhash length > 0 ; } check mandatory app update checkformandatoryappupdate api is to help developers check if a user must update samsung blockchain keystore because samsung blockchain keystore handles only one task at a time, make sure to not call the checkformandatoryappupdate api in the background as it may cause other api calls or requests to be cancelled if a mandatory app update is needed, users can be directed to the galaxy store using a deeplink, scwdeeplink galaxy_store otherwise, users will see the mandatory app update popups during an operation process, such as signing a transaction, and will need to update samsung blockchain keystore before proceeding note scwservice scwcheckformandatoryappupdatecallback will need to be implemented correspondingly scwservice scwcheckformandatoryappupdatecallback callback = new scwservice scwcheckformandatoryappupdatecallback { @override public void onmandatoryappupdateneeded boolean needed { if needed { startdeeplink scwdeeplink galaxy_store ; } } }; scwservice getinstance checkformandatoryappupdate callback ; how to handle the returned value a boolean needed value of whether a mandatory update is needed or not will be returned if needed, developers will need to guide users to go to samsung blockchain keystore app page in galaxy store to update is root seed backed up isrootseedbackedup api helps developers check if there is a backup of root seed since a user can create a wallet without a backup of root seed, developers can advise the user to make root seed backup if a backup of root seed is needed, the users will be directed to the page which backs up the mnemonic phrases in the samsung blockchain keystore using a deep link, scwdeeplink backup_wallet boolean isbackedup = scwservice getinstance isrootseedbackedup ; if !isbackedup { startdeeplink scwdeeplink backup_wallet ; } how to handle the returned value the result of root seed backup will be returned in a boolean type get supported coins getsupportedcoins api is used to find out which type of cryptocurrencies are supported, in case there is a different logic that developers must implement for different cryptocurrencies it is returned in an int array of standard coin types according to bip standard – for example, 60 for ethereum int[] supportedcoins = scwservice getinstance getsupportedcoins ; stringbuilder sb = new stringbuilder ; sb append "supported coins" append '\n' ; for int i = 0; i < supportedcoins length; i++ { sb append '[' append i append "] " append supportedcoins[i] append '\n' ; } string s = sb tostring ; get hd path gethdpath api helps developers derive hd path for a specified coin type this api can be used as a parameter when deriving an address and requesting to sign a transaction note that utxo-based cryptocurrency, such as bitcoin will not be supported for this api no callback will be needed for this api as hd path in string type will be returned immediately //derive hd path for the cryptocurrency that your app supports string ethereumhdpath = scwservice gethdpath scwcointype eth, 0 ; string klaytnhdpath = scwservice gethdpath scwcointype klay, 0 ; string tronhdpath = scwservice gethdpath scwcointype tron, 0 ; string stellarhdpath = scwservice gethdpath scwcointype xlm, 0 ; there are two parameters needed coin type and address index coin type use scwcointype class to specify the cryptocurrency that your app uses address index address index is like an account number it is recommended to use 0 as the default address index increasing the address index will generate a different account for example, if you need another ethereum account, then you can increase this address index to 1 if you need just one address for your service, then make sure to use the same coin type and same address index throughout your service so that user does not get confused with multiple addresses examples the returned value will be hd path in a string format this hd path will be needed for getaddresslist api and signing cryptocurrency apis scwservice gethdpath scwcointype eth, 0 will return “m/44’/60’/0’/0/0” scwservice gethdpath scwcointype eth, 1 will return “m/44’/60’/0’/0/1” scwservice gethdpath scwcointype klay, 0 will return “m/44’/8217’/0’/0/0” scwservice gethdpath scwcointype tron, 0 will return “m/44’/195’/0’/0/0” scwservice gethdpath scwcointype xlm, 0 will return “m/44’/148’/0’” for more details on hd path refer to key management section in understanding keystore you can find how hd path is used in samsung blockchain keystore get a list of addresses getaddresslist api allows developers to request to get a list of addresses that correspond to a list of hd paths a list of the hd path, compatible with bip-44 needs to be passed on to bring the addresses the depth of hd path should be between 3 and 6 also, scwservice scwgetaddresslistcallback will need to be implemented correspondingly scwservice scwgetaddresslistcallback callback = new scwservice scwgetaddresslistcallback { @override public void onsuccess list<string> addresslist { } @override public void onfailure int errorcode, string errormessage { //handle errors } }; string hdpath = scwservice gethdpath scwcointype eth, 0 ; arraylist<string> hdpathlist = new arraylist<> ; hdpathlist add hdpath ; scwservice getinstance getaddresslist callback, hdpathlist ; hierarchical deterministic path hd path examples hdpath for ethereum m/44'/60'/0'/0/0 hdpath for bitcoin m/44'/0'/0'/0/0 if you are unsure about what hd path is, then you can generate hd path with gethdpath api except for bitcoin how to handle the returned value the returned value will be a list of addresses in a list** format each address will correspond to the hd path in the arraylist minimize calling getaddresslist api by checking seed hash value to avoid calling getaddresslist api as much as possible, please utilize getseedhash api to check whether the root seed has been changed or not, since different seed hash value implies that the corresponding address has also been updated get a list of extended public keys getextendedpublickeylist api allows developers to request to get a list of extended public keys that correspond to a list of hd paths a list of the hd path, compatible with bip-44 needs to be passed on to bring the public key the depth of path should be between 3 and 6 take note that the scwservice scwgetextendedpublickeylistcallback will need to be implemented correspondingly scwservice scwgetextendedpublickeylistcallback callback = new scwservice scwgetextendedpublickeylistcallback { @override public void onsuccess list<byte[]> extendedpublickeylist { } @override public void onfailure int errorcode, string errormessage { //handle errors } }; string hdpath = scwservice gethdpath scwcointype eth, 0 ; arraylist<string> hdpathlist = new arraylist<> ; hdpathlist add hdpath ; scwservice getinstance getextendedpublickeylist callback, hdpathlist ; hierarchical deterministic path hd path examples hdpath for ethereum m/44'/60'/0'/0/0 hdpath for bitcoin m/44'/0'/0'/0/0 how to handle the returned value the returned value will be list <byte[]> that corresponds to each hd path requested in the arraylist each byte array is composed of 33 bytes of compressed public key and 32 bytes of chain code you can derive the child public key based on this data note that you need to derive the address of the compressed public key or call getaddresslist api to get the address minimize calling getextendedpublickeylist api by checking seed hash value use getseedhash api to check whether the root seed has been changed or not, since different seed hash value implies that corresponding public keys have also been updated sign a transaction there are seven apis that support signing cryptocurrency transactions ethereum, personal sign message in ethereum, bitcoin, klaytn, tron, personal sign message in tron, and stellar note only signing a transaction is included in the samsung blockchain keystore scope 1 signethtransaction api signethtransaction api as the name implies, sends a request to samsung blockchain keystore to sign an ethereum transaction likewise, scwservice scwsignethtransactioncallback will need to be implemented scwservice scwsignethtransactioncallback callback = new scwservice scwsignethtransactioncallback { @override public void onsuccess byte[] signedethtransaction { } @override public void onfailure int errorcode, string errormessage { //handle error } }; string toaddress = "0xe7425ee1bc64ab7c51ce3617cb83e76fd545f1a9"; string ethamount = "123 456789"; string ethgasprice = "12000000000"; string ethgaslimit = "21000"; string data = ""; long chainid = 1; string hdpath = scwservice gethdpath scwcointype eth, 0 ; byte[] encodedunsignedethtx = createrawtransaction toaddress, ethamount, ethgasprice, ethgaslimit, data ; private byte[] createrawtransaction param1, param2, … { //implement your code here } scwservice getinstance signethtransaction callback, encodedunsignedethtx, hdpath, chainid ; the parameters to take note are as follows encodedunsignedethtx a byte array of an rlp-encoded unsigned ethereum raw transaction hdpath hd path that corresponds to the address linked to your android app that also corresponds to the private key which is used for signing chainid chain id to prevent replay attacks between different chain for eip1559 transaction, chainid should be null how to handle the returned value the signed transaction will be returned in a byte array type in a rlp-encoded format 2 signethpersonalmessage api signethpersonalmessage api can be used to request to samsung blockchain keystore to sign a message in ethereum scwservice scwsignethpersonalmessagecallback will need to be implemented scwservice scwsignethpersonalmessagecallback callback = new scwservice scwsignethpersonalmessagecallback { @override public void onsuccess byte[] signedpersonalmessage { } @override public void onfailure int errorcode, string errormessage { //handle error } }; string hdpath = scwservice gethdpath scwcointype eth, 0 ; byte[] unsignedmsg = "to sign up, please sign this message " getbytes ; scwservice getinstance signethpersonalmessage callback, unsignedmsg, hdpath ; the parameters to take note are as follows unsignedmsg – a byte array of raw message to be signed by samsung blockchain keystore the "\u0019ethereum signed message \n" prefix will be added by samsung blockchain keystore, so your android app should not include the prefix in the message hdpath hd path that corresponds to the address linked to your android app that also corresponds to the private key which is used for signing how to handle the returned value the type of return is a byte array of signed message based on r, s, v values for a transaction’s signature respectively 3 signbtctransaction api signbtctransaction api can be used to create a request to samsung blockchain keystore to sign a bitcoin transaction the scwservice scwsignbtctransactioncallback will need to be implemented scwservice scwsignbtctransactioncallback callback = new scwservice scwsignbtctransactioncallback { @override public void onsuccess byte[] signedbtctransaction { } @override public void onfailure int errorcode, string errormessage { //handle error } }; list<utxo> utxos = new arraylist<> ; arraylist<string> inputhdpathlist = new arraylist<> ; string changehdpath = "m/44'/0'/0'/0/0"; string inputhdpath1 = "m/44'/0'/0'/0/0"; string inputhdpath2 = "m/44'/0'/0'/0/1"; utxos add getunspentoutputs inputhdpath1 ; utxos add getunspentoutputs inputhdpath2 ; transactionextended unsignedtx = makeunsignedtransaction networkparams, utxos, to, value, fee ; for int i = 0; i < unsignedtx getinputs size ; i++ { string inputhdpath = unsignedtx getinputs gethdpath i ; inputhdpathlist add inputhdpath ; } private transaction makeunsignedtransaction networkparameters networkparams, list<utxo> utxos, string to, long value, long fee { //make unsigned transaction among unspent outputs to spend value with fee //implement your code here } scwservice getinstance signbtctransaction callback, transaction, inputhdpathlist, changehdpath ; the parameters to take note are as follows transaction a byte array of a serialized unsigned bitcoin transaction to be signed by samsung blockchain keystore inputhdpathlist a list of hd path that corresponds to the addresses linked to the transaction inputs in transaction this list also corresponds to the private key which is used for signing bip-44, 49, 84 are supported and coin type “1” in hd path can be used for bitcoin test network parameter check samsung blockchain keystore will verify the requested transaction using transactioninput in transaction and inputhdpathlist each transactioninput should correspond to an hd path in inputhdpathlist if there are multiple transactioninput, then corresponding inputhdpathlist and transactioninputs should be listed in the same order changehdpath if there is a return change, then include the hd path that corresponds to the change address if the change address is not needed, then this value should be null how to handle the returned value the signed transaction will be returned in a byte array type 4 signklaytransaction api signklaytransaction api can be used to request to samsung blockchain keystore to sign a klaytn transaction scwservice scwsignklaytransactioncallback will need to be implemented scwservice scwsignklaytransactioncallback callback = new scwservice scwsignklaytransactioncallback { @override public void onsuccess byte[] signedklaytransaction { } @override public void onfailure int errorcode, string errormessage { //handle error } }; string hdpath = scwservice gethdpath scwcointype klay, 0 ; byte[] unsignedtransaction = getunsignedtx ; int klaytnchainid = 1001; scwservice getinstance signklaytransaction callback, unsignedtransaction, hdpath, klaytnchainid ; the parameters to take note are as follows unsignedtransaction a byte array of raw transaction to be signed by samsung blockchain keystore it is same as the sigrlp value mentioned in klaytn official document hdpath - hd path that corresponds to the public key linked to your android app that also corresponds to the private key which is used for signing klaytnchainid – the klaytn network id or the integer to identify the network "8217" is klaytn cypress mainnet and "1001" is klaytn baobab testnet how to handle the returned value the signed transaction will be returned in a byte array type in a rlp-encoded format 5 signtrxtransaction api signtrxtransaction api can be used to request to samsung blockchain keystore to sign a tron transaction scwservice scwsigntrxtransactioncallback will need to be implemented scwservice scwsigntrxtransactioncallback callback = new scwservice scwsigntrxtransactioncallback { @override public void onsuccess byte[] signedtrxtransaction { //handle signed tron transaction } @override public void onfailure int errorcode, string errormessage { //handle error } }; string hdpath = scwservice gethdpath scwcointype tron, 0 ; string from = “tdcmwosbafcegqqnuarnjghy4tabdcmdwi” string to = “tq6pm81jdc2ghruonytzgvpc7svyqcemeu”; int amount = 2; byte[] unsignedtransaction = createunsignedtransaction hdpath from, to, amount ; private byte[] createunsignedtransaction param1, param2, … { //implement your code here } scwservice getinstance signtrxtransaction callback, unsignedtransaction, hdpath ; the parameters to take note are as follows unsignedtransaction a byte array of raw tron transaction to be signed by samsung blockchain keystore hdpath - hd path that corresponds to the public key linked to your android app that also corresponds to the private key which is used for signing how to handle the returned value signed transaction will be returned in a byte array 6 signtrxpersonalmessage api signtrxpersonalmessage api can be used to request to the samsung blockchain keystore to sign a message in tron the scwservice scwsigntrxpersonalmessagecallback will need to be implemented scwservice scwsigntrxpersonalmessagecallback callback = new scwservice scwsigntrxpersonalmessagecallback { @override public void onsuccess byte[] signedpersonalmessage { } @override public void onfailure int errorcode, string errormessage { //handle error } }; string hdpath = scwservice gethdpath scwcointype tron, 0 ; byte[] unsignedmsg = "to sign up, please sign this message " getbytes ; scwservice getinstance signtrxpersonalmessage callback, unsignedmsg, hdpath ; the parameters to take note are as follows unsignedmsg a byte array of raw message to be signed by samsung blockchain keystore a "\u0019tron signed message \n32" prefix will be added by samsung blockchain keystore, so your android app should not include the prefix in the message hdpath hd path that corresponds to the address linked to your android app that also corresponds to the private key which is used for signing how to handle the returned value the type of return is a byte array of signed message based on values for a transaction’s signature - r, s, v respectively 7 signxlmtransaction api signxlmtransaction api can be used to request to the samsung blockchain keystore to sign a stellar transaction the scwservice scwsignxlmtransactioncallback will be needed to be implemented scwservice scwsignxlmtransactioncallback callback = new scwservice scwsignxlmtransactioncallback { @override public void onsuccess byte[] signedxlmtransaction { //handle signed stellar transaction } @override public void onfailure int errorcode, string errormessage { //handle error } }; string recipientaccount = “gay5dorarbd5l3fbbwuhxkciv7vcmqicsllj7gyr4664av4mxtx2fh4o”; string amount = “100”; paymentoperation operation = new paymentoperation builder recipientaccount, asset, amount build ; string hdpath = scwservice gethdpath scwcointype xlm, 0 ; arraylist<string> hdpathlist = new arraylist<> ; hdpathlist add hdpath ; string sourceaccount = “gb7zviydvsww3ctfj2v3oproahgbuomebwib55xieii3aq6523pg4lm5”; string memo = "hello12347"; byte[] unsignedtransaction = createunsignedtransaction sourceaccount, operation, memo, networkid ; private byte[] createunsignedtransaction param1, param2, … { //implement your code here // include networkid, envelopetype envelopte_type_tx , and xdr-encoded transaction } scwservice getinstance signxlmtransaction callback, unsignedtransaction, hdpathlist ; the parameters to take note are as follows unsignedtransaction – a byte array of raw transaction to be signed by samsung blockchain keystore it is the same as the signature base, which includes networkid, envelopetype, and xdr-encoded transaction hdpathlist a list of hd path that corresponds to the addresses linked to your android app that also corresponds to the private key which is used for signing how to handle the returned value the signed transaction will be returned in a byte array developers can use base64 encoding to implement this result into envelopexdr, which can derive the transaction that can be submitted to the network is reboot authentication required the isrebootauthenticationrequired api allows you to check whether pin authentication is required after reboot some keystore api calls can require pin authentication after device reboot these calls are successful only after the user enters their blockchain keystore pin at the prompt the isrebootauthenticationrequired method allows you to determine whether accessing the keystore api requires pin authentication boolean isrebootauthenticationrequired = scwservice getinstance isrebootauthenticationrequired ; if isrebootauthenticationrequired { // user prompted for pin authentication } else { // user not prompted for pin authentication } • handling the returned value the isrebootauthenticationrequired method returns a boolean value go to samsung blockchain keystore settings samsung blockchain keystore provides a user-friendly setup page for the first time users and a settings page for existing users developers can easily jump to samsung blockchain keystore settings by using a deeplink, scwdeeplink main there are two purposes of calling the samsung blockchain keystore main activity setup samsung blockchain keystore for first time users after calling getseedhash api, if the wallet is not created, a zero length value will be returned this is when your android app should call samsung blockchain keystore settings via a deep link as shown below samsung blockchain keystore will check if a user needs to set up a new wallet and if needed, will lead to a setup page after the activity is finished, your android app should call the getseedhash api, once more, to make sure that the wallet has been created and the corresponding seed hash value is returned samsung blockchain keystore settings for existing users for existing users, when samsung blockchain keystore settings is called, a user will see a list of menu related to samsung blockchain keystore management features include changing the pin, removing the wallet, checking a recovery phrase to back up the wallet, enabling/disabling fingerprint as an authentication method, or changing alarm notifications settings more information about the samsung blockchain keystore, such as notices, terms and conditions, and app information can be also found here a sample code for calling samsung blockchain keystore via a deeplink is as follows uri uri = uri parse scwdeeplink main ; intent intent = new intent intent action_view ; intent setdata uri ; intent setflags intent flag_activity_new_task ; mcontext startactivity intent ; *do not call startactivityforresult intent as no results will be returned make sure to use startactivity intent instead handling error codes in addition to general error codes, the following are some special cases that developers may want to look out for mandatory update is needed samsung blockchain keystore was removed due to user entering wrong pin more than n times api key is invalid the popups above will be shown from samsung blockchain keystore app, though the samsung blockchain keystore will still return corresponding error codes in the mandatory update error case, the user will see a popup with a link to galaxy apps store page to update samsung blockchain keystore if it was reset, due to entering a wrong pin more than n times, then the user will need to create or import the wallet via samsung blockchain keystore service again it is recommended that developers call checkformandatoryappupdate api before calling other apis, to check whether a mandatory app update is needed for this api, no ui or popup will be shown from samsung blockchain keystore upon integration, developers may receive an “error_package_signature_verification_failed” error in this case, developers can turn on developer mode to skip the app verification stage yet, developers will need to implement proper app id, officially issued by the samsung blockchain keystore team before launching your android app in the market public interface scwerrorcode { int error_mandatory_app_update_needed = -8; int error_package_signature_verification_failed = -11; int error_wallet_reset = -12; int error_check_app_version_failed = -15; int error_tnc_not_agreed = -6; } please refer to the scwerrorcode class in javadoc for more details on error codes samsung blockchain keystore deeplinks deep links to samsung blockchain keystore and deep link to update samsung blockchain keystore app in galaxy store are provided developers can implement the links below to direct users to go to the main page and back up root seed page in samsung blockchain keystore settings directly deep link to galaxy store can be used when user needs to update samsung blockchain keystore app features deeplink main page scwdeeplink main galaxy apps store scwdeeplink galaxy_store backup wallet scwdeeplink backup_wallet
Connect Samsung Developer Conference
webtech square products and services using our new technology are displayed in the space by each field, and you can find details in the keynote speech and sessions. ai for platforms enterprise & ecosystem ai for devices category ai for platforms enterprise & ecosystem ai for devices mobile remote on smartthings control your tv effortlessly with our innovative mobile remote. 1. personalize your mobile remote to match your needs. arrange your mobile remote with the buttons and applications you want. you can use the touchpad to control without looking at the mobile screen (swipe-navigation, tap-ok, double tap-return). 2. use the mobile remote even without the internet. the mobile remote connects to your tv via ble for seamless interaction. 3. share the mobile remote with your family. simply scan a qr code to share the mobile remote with family members. innovating together for 10 years samsung smartthings has been leading the way in connected living for a decade — consistently redefining home automation and setting the standard for efficiency and security. growing from 100 million subscribers in 2019 to over 350 million by august 2024, smartthings has established samsung as a leader in the smart home market. the platform continues to expand its influence in the iot industry by enhancing its ai-driven capabilities and even extending its reach into the b2b space. check out the infographic below to explore samsung smartthings' 10-year journey of innovation. easily certify your product family the smartthings platform supports connectivity with a wide range of partner devices to enhance convenience in users' daily lives. to achieve this goal, we have introduced a program called ‘certification by similarity'. this program allows free certification for derivative products that share the same features as the main certified product based solely on self-verification test results. it also enables mass certification and registration of entire product lines at once. smartthings is planning various promotions to introduce wwst-certified partner devices to general users. tailored moods with music sync with smartthings music sync, you can match lighting to your gaming environment or favorite movie scenes, and when it comes to home parties, relaxation, or even workouts, smartthings music sync offers music synchronization to create an engaging listening experience. smartthings hubs working together as a team smartthings hubs are already integrated into millions of samsung devices. these hubs build a multi-hub network and can fully cover your home without any dead spots. samsung knox matrix knox matrix realizes samsung's vision for a future where connected devices can protect each other within an ecosystem. it is set to provide the devices within a user's ecosystem with fewer vulnerabilities through strong, diverse security practices. take care of your loved ones with family care take care of your loved ones with smartthings. no matter the distance, you can now easily check in to make sure they are ok. experience navien house with smartthings navien monitors consumer hot water and heating usage patterns, analyzes the data, and generates a home report. by collaborating with smartthings, navien strives to offer global consumers more opportunities to experience the excellence of navien products. conserve water for a better future we're thrilled introduce a new partner to the smartthings ecosystem. join us at sdc to learn all the details about this exciting partnership! home insight powered by smartthings ai a message that helps with your daily life, home insight. smartthings intuitively summarizes the essential details of your home and intelligently fine-tunes your needs with your living environment. door locks on smartthings x samsung wallet a keyless experience with samsung wallet and smartthings. samsung wallet and smartthings' partners can display their own brand on a digital home key. in smartthings, you can manage users who have access to your door lock and utilize safe and various ways of opening the door. also, you can grant personalized experiences based on who unlocks the door. convenient remote control experience you can easily find and quickly control your devices with the larger remote control cards in the smartthings application. work from home in comfort by adjusting the temperature right from your galaxy book. create the best mood lighting for movie night by dimming the lights from your tv's quick launch. simply tap the device icon in map view and the remote appears on your smartphone or tablet. no need to switch screens or be close to the device anymore. daily health care in the comfort of your home make daily health management at home effortless for you and your loved ones. now samsung health is integrated with smartthings which is connected to millions of devices, opening the possibilities of new experiences in home environments. back to previous page samsung health sdk suite unlock the future of health tech. explore the samsung health sdk suite today! empowering health innovation with samsung's suite of health sdks, enabling seamless integration of advanced digital health solutions into your applications and devices. partner with samsung health transforming lives together. improve health and well-being through innovation, research, and collaboration to empower people throughout their lives. samsung wallet: expanding eco with partners samsung wallet is expanding its offerings by providing new card types and features. it also allows easy onboarding of multiple merchants through the improved partner site and can send push notifications to users directly. the existing samsung wallet/pay partner site has been integrated with the developer portal, resulting in enhanced usability and added functionality. this integration is expected to provide a more convenient experience for partners. samsung wallet: digital key for home and office no need to carry a key. tap to unlock your door with the digital key of samsung wallet. samsung wallet: sdk for online id verification add your mobile driver's license or state id to samsung wallet and easily verify your identity online. car rental, liquor purchase, loan applications, and more require proof of identity. experience the convenience and security when you present your state-issued credential with samsung wallet. galaxy for knowledge workers introduction of enterprise mobility solutions enabled with strategic partners to deliver maximum business productivity via samsung flagship devices and samsung multi-device connectivity environment. galaxy for frontline workers this session introduces three enterprise partner solutions for field workers. we are going to showcase how galaxy devices are transformed into optimized solutions through partner collaboration. first, koamtac advanced inventory management solution. second, targus field ready case and mpos solution. third, harman's worker safety and productivity solution for galaxy watch. samsung vxt : cms platform with pirs (pre-integrated repeatable solution) traditionally, the signage industry was centered around hardware, but with vxt, we've taken a leap towards becoming a software solution. starting with saas, we're now progressing towards daas and paas, ensuring high growth and market dominance based on revenue generated from the vxt platform ecosystem. our cutting-edge cms software, vxt cms, incorporates ai technology to provide comprehensive support for all aspects of content production, operation, and management. by utilizing an ai-powered chatbot, we enable efficient operations and management. to further enhance our offering, we are actively seeking partnerships with ai experts through the pirs application. by providing easy access to development tools such as sdks, we encourage more ai companies to join us in shaping this new ecosystem. our goal is to create an application environment where si partners can develop specialized features that seamlessly integrate with samsung vxt. harman ignite store – a white-label aaos app store the harman ignite store is an integrated automotive app store built on the android automotive operating system (aaos). learn how harman automotive is connecting developers with carmakers to create unique in-vehicle digital experiences that can be monetized. back to previous page samsung ai cast: delivering ai-generated experiences to your screen samsung ai cast brings the power of ai directly to your screen, delivering immersive experiences right to your display. it showcases stunning ai-generated images, elegantly framed like artwork. it offers personalized content recommendations. it shares text from your conversations with ai. whether it's a visual creation, a custom content suggestion, or any insightful text, ai cast ensures that the best of ai is always on display, making your screen experience richer and more interactive. expansion of sign language guide the sign language guide, initially designed for tv settings (2022), has now been extended to cover a wider range of tv built-in services. this innovative feature enables individuals who are deaf to easily access information displayed on their tvs. in collaboration with broadcasting companies, we are incorporating sign language information into real-time broadcasts and outputting them on tv. we are also preparing to expand the use of sign language in various areas such as the out-of-box experience (oobe), notifications, and electronic manuals containing tv usage information. with advancements in technology, it is expected that live streaming videos will soon be able to be translated into sign language in real-time using an ai-powered motion capture technique. by expanding the motion dictionary within the tv, a broader variety of sign language motions can be stored and utilized effectively. ai picture quality the ai picture quality of samsung tv focuses on ai object-oriented picture quality enhancement. ai upscaling pro can improve face quality through object-oriented upscaling technology based on ai face detection and face-specific upscaling model. ai motion enhancer pro can improve motion picture quality of cognitively important objects (ball/text) by recognizing the type of sports and detecting the movement of important objects. samsung daily+ and daily board ecosystem samsung presents a lifestyle content platform, samsung daily+ and daily board. here, we invite you to easily join the samsung daily+ and daily board ecosystem. samsung daily+ is an on-screen experience platform that suggests users explore diverse lifestyle content across various experience categories. a new daily board sdk provides an easier way to include widgets on the daily board screen, providing frequently displayed off-screen experiences. samsung ai tv on risc-v an initial step to expand ai screen towards risc-v. ai screen on tizen is now powered by risc-v-based computing platforms. by harnessing the flexibility and openness of risc-v and tizen, samsung will enhance user experience by holistically optimizing entire hardware and software stacks. hassle-free adoption of tizen applications. you can still enjoy all existing web and .net applications without any modification. tizen will provide all environments (e.g., toolchain, sdk, etc.) to easily migrate native applications for risc-v. generative wallpaper generative wallpaper serves the experience of providing large images reflecting preferences using a generative ai model. it enriches the home atmosphere with high-quality generated images, making every moment shared with family and friends even more special. it offers more than 18 styles tailored to customers' tastes and provides high-resolution images suitable for a large screen. enhancing search experience with bixby search is the most basic but important thing nowadays. there are so many movies and shows on many different ott platforms. how can we find the exact one that we want to see without knowing the exact title? with this upgraded search system, you can now find the movie with a somewhat ambiguous sentence or some part of the plot. like "find me a movie about a mouse inside a cook's hat." (what movie did you expect?) or you can find the movie by a genre or time period, like "find a movie about the financial crisis," or "find a movie about the korean war." not only enhanced search power, but now bixby can also do more things at once. you can have a conversation with bixby with context, like this: "who's the director of parasite?" "the director of parasite is bong joon-ho." "find his movies." and you can do many things with only one sentence: "hi bixby, turn the volume to 10 and find action movies." you don't have to wait and say one command at a time and wait for bixby's 'completed' signal. ecosystem for advanced professional video codec advanced professional video (apv) codec is a new video codec for prosumers who do not want to compromise on quality while enjoying the convenience of capturing video using smartphones. at our booth, you can experience the superior visual quality of the apv codec and a video editing demonstration supported by the apv codec. on-device cleaning solution samsung's home appliances are equipped with on-device ai, making them smarter than ever before. with various sensors and cameras, they offer an enhanced user experience by optimizing cleaning paths and recognizing different objects. additionally, these appliances identify carpeted areas and floor types to adjust their cleaning performance accordingly. explore more of the on-device features available in samsung's home appliances for a truly innovative experience. new ai familyhub the family hub refrigerator is equipped with ai vision technology, allowing you to manage your food efficiently by always knowing what's inside. additionally, you can personalize your family hub experience with generative wallpaper, which enables users to create their own unique wallpapers for the device. now it's time to try generating the desired wallpaper and enhance your family hub experience. enhanced appliance control : bixby & ai home on-device automatic speech recognition (asr) technology enables appliances to support voice interactions without requiring voice activation commands. this technology allows for a more natural and intuitive way to interact with our products, ultimately enhancing user experience. additionally, bixby's advancements facilitate seamless communication between appliances and users, resulting in improved convenience and usability. the incorporation of these technologies into home appliances showcases their potential to revolutionize the way we interact with everyday objects. back to previous page mobile remote on smartthings control your tv effortlessly with our innovative mobile remote. 1. personalize your mobile remote to match your needs. arrange your mobile remote with the buttons and applications you want. you can use the touchpad to control without looking at the mobile screen (swipe-navigation, tap-ok, double tap-return). 2. use the mobile remote even without the internet. the mobile remote connects to your tv via ble for seamless interaction. 3. share the mobile remote with your family. simply scan a qr code to share the mobile remote with family members. innovating together for 10 years samsung smartthings has been leading the way in connected living for a decade — consistently redefining home automation and setting the standard for efficiency and security. growing from 100 million subscribers in 2019 to over 350 million by august 2024, smartthings has established samsung as a leader in the smart home market. the platform continues to expand its influence in the iot industry by enhancing its ai-driven capabilities and even extending its reach into the b2b space. check out the infographic below to explore samsung smartthings' 10-year journey of innovation. easily certify your product family the smartthings platform supports connectivity with a wide range of partner devices to enhance convenience in users' daily lives. to achieve this goal, we have introduced a program called ‘certification by similarity'. this program allows free certification for derivative products that share the same features as the main certified product based solely on self-verification test results. it also enables mass certification and registration of entire product lines at once. smartthings is planning various promotions to introduce wwst-certified partner devices to general users. tailored moods with music sync with smartthings music sync, you can match lighting to your gaming environment or favorite movie scenes, and when it comes to home parties, relaxation, or even workouts, smartthings music sync offers music synchronization to create an engaging listening experience. smartthings hubs working together as a team smartthings hubs are already integrated into millions of samsung devices. these hubs build a multi-hub network and can fully cover your home without any dead spots. samsung knox matrix knox matrix realizes samsung's vision for a future where connected devices can protect each other within an ecosystem. it is set to provide the devices within a user's ecosystem with fewer vulnerabilities through strong, diverse security practices. take care of your loved ones with family care take care of your loved ones with smartthings. no matter the distance, you can now easily check in to make sure they are ok. experience navien house with smartthings navien monitors consumer hot water and heating usage patterns, analyzes the data, and generates a home report. by collaborating with smartthings, navien strives to offer global consumers more opportunities to experience the excellence of navien products. conserve water for a better future we're thrilled introduce a new partner to the smartthings ecosystem. join us at sdc to learn all the details about this exciting partnership! home insight powered by smartthings ai a message that helps with your daily life, home insight. smartthings intuitively summarizes the essential details of your home and intelligently fine-tunes your needs with your living environment. door locks on smartthings x samsung wallet a keyless experience with samsung wallet and smartthings. samsung wallet and smartthings' partners can display their own brand on a digital home key. in smartthings, you can manage users who have access to your door lock and utilize safe and various ways of opening the door. also, you can grant personalized experiences based on who unlocks the door. convenient remote control experience you can easily find and quickly control your devices with the larger remote control cards in the smartthings application. work from home in comfort by adjusting the temperature right from your galaxy book. create the best mood lighting for movie night by dimming the lights from your tv's quick launch. simply tap the device icon in map view and the remote appears on your smartphone or tablet. no need to switch screens or be close to the device anymore. daily health care in the comfort of your home make daily health management at home effortless for you and your loved ones. now samsung health is integrated with smartthings which is connected to millions of devices, opening the possibilities of new experiences in home environments. samsung health sdk suite unlock the future of health tech. explore the samsung health sdk suite today! empowering health innovation with samsung's suite of health sdks, enabling seamless integration of advanced digital health solutions into your applications and devices. partner with samsung health transforming lives together. improve health and well-being through innovation, research, and collaboration to empower people throughout their lives. samsung wallet: expanding eco with partners samsung wallet is expanding its offerings by providing new card types and features. it also allows easy onboarding of multiple merchants through the improved partner site and can send push notifications to users directly. the existing samsung wallet/pay partner site has been integrated with the developer portal, resulting in enhanced usability and added functionality. this integration is expected to provide a more convenient experience for partners. samsung wallet: digital key for home and office no need to carry a key. tap to unlock your door with the digital key of samsung wallet. samsung wallet: sdk for online id verification add your mobile driver's license or state id to samsung wallet and easily verify your identity online. car rental, liquor purchase, loan applications, and more require proof of identity. experience the convenience and security when you present your state-issued credential with samsung wallet. galaxy for knowledge workers introduction of enterprise mobility solutions enabled with strategic partners to deliver maximum business productivity via samsung flagship devices and samsung multi-device connectivity environment. galaxy for frontline workers this session introduces three enterprise partner solutions for field workers. we are going to showcase how galaxy devices are transformed into optimized solutions through partner collaboration. first, koamtac advanced inventory management solution. second, targus field ready case and mpos solution. third, harman's worker safety and productivity solution for galaxy watch. samsung vxt : cms platform with pirs (pre-integrated repeatable solution) traditionally, the signage industry was centered around hardware, but with vxt, we've taken a leap towards becoming a software solution. starting with saas, we're now progressing towards daas and paas, ensuring high growth and market dominance based on revenue generated from the vxt platform ecosystem. our cutting-edge cms software, vxt cms, incorporates ai technology to provide comprehensive support for all aspects of content production, operation, and management. by utilizing an ai-powered chatbot, we enable efficient operations and management. to further enhance our offering, we are actively seeking partnerships with ai experts through the pirs application. by providing easy access to development tools such as sdks, we encourage more ai companies to join us in shaping this new ecosystem. our goal is to create an application environment where si partners can develop specialized features that seamlessly integrate with samsung vxt. harman ignite store – a white-label aaos app store the harman ignite store is an integrated automotive app store built on the android automotive operating system (aaos). learn how harman automotive is connecting developers with carmakers to create unique in-vehicle digital experiences that can be monetized. samsung ai cast: delivering ai-generated experiences to your screen samsung ai cast brings the power of ai directly to your screen, delivering immersive experiences right to your display. it showcases stunning ai-generated images, elegantly framed like artwork. it offers personalized content recommendations and shares text from your conversations with ai. whether it's a visual creation, a custom content suggestion, or any insightful text, ai cast ensures that the best of ai is always on display, making your screen experience richer and more interactive. expansion of sign language guide the sign language guide, initially designed for tv settings (2022), has now been extended to cover a wider range of tv built-in services. this innovative feature enables individuals who are deaf to easily access information displayed on their tvs. in collaboration with broadcasting companies, we are incorporating sign language information into real-time broadcasts and outputting them on tv. we are also preparing to expand the use of sign language in various areas such as the out-of-box experience (oobe), notifications, and electronic manuals containing tv usage information. with advancements in technology, it is expected that live streaming videos will soon be able to be translated into sign language in real-time using an ai-powered motion capture technique. by expanding the motion dictionary within the tv, a broader variety of sign language motions can be stored and utilized effectively. ai picture quality the ai picture quality of samsung tv focuses on ai object-oriented picture quality enhancement. ai upscaling pro can improve face quality through object-oriented upscaling technology based on ai face detection and face-specific upscaling model. ai motion enhancer pro can improve motion picture quality of cognitively important objects (ball/text) by recognizing the type of sports and detecting the movement of important objects. samsung daily+ and daily board ecosystem samsung presents a lifestyle content platform, samsung daily+ and daily board. here, we invite you to easily join the samsung daily+ and daily board ecosystem. samsung daily+ is an on-screen experience platform that suggests users explore diverse lifestyle content across various experience categories. a new daily board sdk provides an easier way to include widgets on the daily board screen, providing frequently displayed off-screen experiences. samsung ai tv on risc-v an initial step to expand ai screen towards risc-v. ai screen on tizen is now powered by risc-v-based computing platforms. by harnessing the flexibility and openness of risc-v and tizen, samsung will enhance user experience by holistically optimizing entire hardware and software stacks. hassle-free adoption of tizen applications. you can still enjoy all existing web and .net applications without any modification. tizen will provide all environments (e.g., toolchain, sdk, etc.) to easily migrate native applications for risc-v. generative wallpaper generative wallpaper serves the experience of providing large images reflecting preferences using a generative ai model. it enriches the home atmosphere with high-quality generated images, making every moment shared with family and friends even more special. it offers more than 18 styles tailored to customers' tastes and provides high-resolution images suitable for a large screen. enhancing search experience with bixby search is the most basic but important thing nowadays. there are so many movies and shows on many different ott platforms. how can we find the exact one that we want to see without knowing the exact title? with this upgraded search system, you can now find the movie with a somewhat ambiguous sentence or some part of the plot. like "find me a movie about a mouse inside a cook's hat." (what movie did you expect?) or you can find the movie by a genre or time period, like "find a movie about the financial crisis," or "find a movie about the korean war." not only enhanced search power, but now bixby can also do more things at once. you can have a conversation with bixby with context, like this: "who's the director of parasite?" "the director of parasite is bong joon-ho." "find his movies." and you can do many things with only one sentence: "hi bixby, turn the volume to 10 and find action movies." you don't have to wait and say one command at a time and wait for bixby's 'completed' signal. ecosystem for advanced professional video codec advanced professional video (apv) codec is a new video codec for prosumers who do not want to compromise on quality while enjoying the convenience of capturing video using smartphones. at our booth, you can experience the superior visual quality of the apv codec and a video editing demonstration supported by the apv codec. on-device cleaning solution samsung's home appliances are equipped with on-device ai, making them smarter than ever before. with various sensors and cameras, they offer an enhanced user experience by optimizing cleaning paths and recognizing different objects. additionally, these appliances identify carpeted areas and floor types to adjust their cleaning performance accordingly. explore more of the on-device features available in samsung's home appliances for a truly innovative experience. new ai familyhub the family hub refrigerator is equipped with ai vision technology, allowing you to manage your food efficiently by always knowing what's inside. additionally, you can personalize your family hub experience with generative wallpaper, which enables users to create their own unique wallpapers for the device. now it's time to try generating the desired wallpaper and enhance your family hub experience. enhanced appliance control : bixby & ai home on-device automatic speech recognition (asr) technology enables appliances to support voice interactions without requiring voice activation commands. this technology allows for a more natural and intuitive way to interact with our products, ultimately enhancing user experience. additionally, bixby's advancements facilitate seamless communication between appliances and users, resulting in improved convenience and usability. the incorporation of these technologies into home appliances showcases their potential to revolutionize the way we interact with everyday objects.
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