Mobile App Development

How to Design and Develop Apps for Foldable Phones

Designing adaptive Android apps for foldables and large screens: layouts, posture awareness, continuity and testing tips.

How to Design and Develop Apps for Foldable Phones

Foldables and tablets are a growing share of premium Android devices. Apps that simply stretch look poor; adaptive apps delight.

Think in window size classes

Design layouts for compact, medium and expanded widths rather than specific devices. Jetpack Compose's window size classes make this straightforward.

Use the extra space well

  • List-detail layouts that show both panes when unfolded
  • Navigation rails instead of bottom bars on wide screens
  • Multi-column content for reading and shopping

Respect postures

Tabletop (half-folded) posture suits video calls and media controls; use the Jetpack WindowManager library to detect hinges and folds.

Preserve continuity

When a user unfolds the device, the app should keep its state without restarting.

Test properly

Use emulators for foldables and real devices before launch.

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