App continuity and Multi-tasking

App continuity between screens

  • App continuity lets you make intuitive, seamless transitions between the Cover and Main screens. When you unfold the device, your app will appear on the larger screen right where you left off.

Demonstration Scenes from Galaxy Fold Unpacked – Galaxy Z Fold2 also supports App continuity with UI refinements.

  • The opposite case, App continuity when folding, can be turned on for selected apps in Settings (if the app supports App continuity)
CHECK POINTS !
  • 1. Is the app fully filled up on the newly activated screen?
  • 2. Is the tab in the same position between the two screens?
  • 3. Is the scroll in the same position between the two screens?
  • 4. Is the on-screen-keyboard status and text being written the same between two screens?
  • 5. If the app is restarted, essential data is saved and restored when restarting?
    • Find out more on

    • Make your app resizable

      Android Developers

    • App continuity

      Samsung Developers

    What happens if App continuity is not supported?

    • If App continuity isn’t supported, users won’t have a seamless experience between the screens on their phone.
    Don't
    • Case of unwanted situation of facing the app in the compatibility mode and the app restart risk If the user chooses to restart the app to fill the entire screen, they may lose any data or progress in the app.

    Multi-tasking

    Multi-window support

    • Multiple tasks at the same time.
      Multi window is one of the key features of Galaxy Z Fold series. It is highly recommended to support multi window for optimal foldable user experience.
      Users can create their own layouts with up to 3 app windows on the screen. For example, a big window on the right for note-taking while watching a video and browsing the internet on the left.
      Pop-up view lets user temporarily use another app without leaving their current app, such as to quickly view a message from a friend while watching a video.
    • Open content in split-screen view
      Touch and hold an item until a menu appears allowing the user to open it in a new window.
    CHECK POINTS !
  • 1. Is your app multi-window supportive and resizable so it can support a variety of multi-window layouts?
    • Find out more on

    • Multi window

      Android Developers

    Multi-instance

    • Some apps are useful when 2 instances can be used at the same time. For example, 2 web browsers side by side.
      It is recommended to check if the multi-instance is useful in using the app.
      * Samsung Internet, Samsung Notes, and My Files currently support multiple instances.
    CHECK POINTS !
  • 1. Would users benefit from using multiple instances of your app?
    • Find out more on

    • Tasks and back stack

      Android Developers

    Drag & drop

    • In multi-window view, users can drag & drop can be used to move, copy, or attach from one window to another. Text, images, and web addresses are all supported.
      It is recommended to support drag & drop in multi-window if it is useful in using the app.
    CHECK POINTS !
  • 1. Would it be useful to drag and drop any content to or from your app?
  • 2. Does drag and drop work consistently in your app?
  • 3. Is there visual feedback to show when the user starts dragging an item?
  • 4. Are there visual cues that help users understand where to drop items?
  • 5. Do dropped items become available immediately so that users understand what happened?
    • Find out more on

    • Drag drop

      Android Developers

    Copy & Paste

    • Text, URL link and images are the good examples of copy & paste between windows.
      It is recommended to support proper visual guidance and feedback during the copy & paste interaction.
    CHECK POINTS !
  • 1 Is there visual feedback to show when the user starts copying an item (e.g., the selecting box, copy & paste pop-up)?
  • 2 Is there visual feedback to show when the user touches and holds the field to paste a copied item (e.g., copy & paste pop-up)?
  • 3 Do the copied item become shown the same when the user pastes it?

    • Advanced interactions to open new window

    In-app menu (Open in new window)

    • Touch and hold an item until a menu appears allowing the user to open it in a new window.

    Drag & open in new window

    • Users can drag an item to the left or right edge of the screen, then they can make split screen view. Text, images, and web addresses are all supported.
    CHECK POINTS !
    Find out more on

    • Multi window launch

      Android Developers

    • Large screen UI
    • Foldable exclusive and Flex mode