window_layoutinfo

window_layoutinfo.kt

// Copyright 2022 Google LLC.
// SPDX-License-Identifier: Apache-2.0
//
// Create a new coroutine since repeatOnLifecycle is a suspend function.
lifecycleScope.launch(Dispatchers.Main) {
    // The block passed to repeatOnLifecycle is executed when the lifecycle
    // is at least STARTED and is cancelled when the lifecycle is STOPPED.
    // It automatically restarts the block when the lifecycle is STARTED again.
    lifecycle.repeatOnLifecycle(Lifecycle.State.STARTED) {
        // Safely collect from WindowInfoTracker when the lifecycle is STARTED
        // and stops collection when the lifecycle is STOPPED
        WindowInfoTracker.getOrCreate(this@MainActivity)
            .windowLayoutInfo(this@MainActivity)
            .collect { layoutInfo ->
                // do something
            }
    }
}