IssueTracker

Jetpack Compose version: compose-bom:2025.02.00

Jetpack Compose component(s) used: LazyColumn

Android Studio Build: 2024.2.1

Kotlin version: 2.0.0

Steps to Reproduce or Code Sample to Reproduce: Run this example, then enable the accessibility service. Try flinging the LazyColumn.

// containing class must also extend LifecycleOwner and SavedStateRegistryOwner
// A complete sample: https://github.com/aug16vcc/AccessibilityServiceWithCompose/blob/master/app/src/main/java/androidx/lifecycle/accessibilityservice/ComponentAccessibilityService.kt
class MyAccessibilityService() : AccessibilityService(), LifecycleOwner, SavedStateRegistryOwner {
    private lateinit var mView: ComposeView
    private lateinit var wm: WindowManager
    private val dispatcher = ServiceLifecycleDispatcher(this)
    override val lifecycle: Lifecycle
        get() = dispatcher.lifecycle
    override val savedStateRegistry: SavedStateRegistry
        get() = savedStateRegistryController.savedStateRegistry

    @CallSuper
    override fun onCreate() {
        dispatcher.onServicePreSuperOnCreate()
        super.onCreate()
        savedStateRegistryController.performRestore(null)
    }

    @CallSuper
    override fun onDestroy() {
        dispatcher.onServicePreSuperOnDestroy()
        super.onDestroy()
    }

    private val savedStateRegistryController: SavedStateRegistryController by lazy(
        LazyThreadSafetyMode.NONE
    ) {
        SavedStateRegistryController.create(this)
    }


    // business logic
    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
        val r = super.onStartCommand(intent, flags, startId)
        val lp: WindowManager.LayoutParams = WindowManager.LayoutParams(
            WindowManager.LayoutParams.MATCH_PARENT,
            WindowManager.LayoutParams.MATCH_PARENT,
            WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY,
            WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
            PixelFormat.TRANSLUCENT)
        if (mView?.windowToken != null) return
        wm = getSystemService(WINDOW_SERVICE) as WindowManager
        mView = ComposeView(this)
        mView?.setViewTreeLifecycleOwner(this)
        mView?.setViewTreeSavedStateRegistryOwner(this)
        mView?.setContent {
            LazyColumn(
                modifier = Modifier.fillMaxSize()
            ) {
                items(50) { index ->
                    Text(text = "Item $index", fontSize = 18.sp)
                }
            }
        }
        wm.addView(mView, lp)
        return r
    }

    override fun onAccessibilityEvent(event: AccessibilityEvent?) {
        // do nothing
    }
}