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)
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Make your app resizable
Android Developers
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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.
- 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.
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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.
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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.
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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.
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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.
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Multi window launch
Android Developers