Implementing Android apps for all screen sizes
summary
A practical recipe for one app that adapts to phones, foldables, tablets and Chrome OS using Jetpack Compose and a single navigation graph with four top-level destinations (For You, Episodes, Saved, Interests). Breakpoints are concrete: window size classes compact <600 dp, medium 600–840 dp, expanded ≥840 dp, swapping nav bar/rail/drawer and switching layouts (one vs two columns). State uses unidirectional flow in ViewModel, saved with rememberSaveable and verified with stateRestorationTester. Navigation uses Navigation Compose; testing uses emulators, a resizable device and Gradle Managed Devices.
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