Viktor Mykhailiv vitoksmile
vitoksmile
/ LifecycleEventCoroutineEffect.kt
Created
March 3, 2025 16:10
Mastering delays in Android
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| @Composable | |
| fun LifecycleEventCoroutineEffect( | |
| event: Lifecycle.Event, | |
| coroutineScope: CoroutineScope = rememberCoroutineScope(), | |
| lifecycleOwner: LifecycleOwner = LocalLifecycleOwner.current, | |
| onEvent: suspend CoroutineScope.() -> Unit, | |
| ) { | |
| if (event == Lifecycle.Event.ON_DESTROY) { | |
| throw IllegalArgumentException( | |
| "LifecycleEventEffect cannot be used to " + |
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| @Composable | |
| fun TestComponent() { | |
| val context = LocalContext.current | |
| LifecycleEventEffect(Lifecycle.Event.ON_RESUME) { | |
| delay(1.seconds) | |
| Toast.makeText(context, "Hello, Medium", Toast.LENGTH_LONG).show() | |
| } | |
| } |
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| class TestFragment : Fragment() { | |
| override fun onViewCreated(view: View, savedInstanceState: Bundle?) { | |
| super.onViewCreated(view, savedInstanceState) | |
| viewLifecycleOwner.lifecycleScope.launch { | |
| repeatOnLifecycle(Lifecycle.State.RESUMED) { | |
| delay(1.seconds) | |
| Toast.makeText(requireContext(), "Hello, Medium", Toast.LENGTH_LONG).show() | |
| } |
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| class TestFragment : Fragment() { | |
| override fun onResume() { | |
| super.onResume() | |
| requireView().postDelayed(1.seconds) { | |
| Toast.makeText(requireContext(), "Hello, Medium", Toast.LENGTH_LONG).show() | |
| } | |
| } | |
| } |
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| fun View.postDelayed(timeout: Duration, action: Runnable) { | |
| postDelayed(action, timeout.inWholeMilliseconds) | |
| doOnDetach { removeCallbacks(action) } | |
| } |
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| class TestFragment : Fragment() { | |
| override fun onResume() { | |
| super.onResume() | |
| requireView().postDelayed({ | |
| Toast.makeText(requireContext(), "Hello, Medium", Toast.LENGTH_LONG).show() | |
| }, 1_000) | |
| } | |
| } |
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| class TestClass( | |
| private val context: Context, | |
| ) { | |
| private val handler = Handler(Looper.getMainLooper()) | |
| private var runnable: Runnable? = null | |
| fun onResume() { | |
| runnable = Runnable { | |
| Toast.makeText(context, "Hello, Medium", Toast.LENGTH_LONG).show() |
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| class TestClass( | |
| private val context: Context, | |
| ) { | |
| fun onResume() { | |
| Handler(Looper.getMainLooper()).postDelayed({ | |
| Toast.makeText(context, "Hello, Medium", Toast.LENGTH_LONG).show() | |
| }, 1_000) | |
| } | |
| } |
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| class TestClass( | |
| private val context: Context, | |
| ) { | |
| fun onResume() { | |
| thread { | |
| Thread.sleep(1_000) | |
| Toast.makeText(context, "Hello, Medium", Toast.LENGTH_LONG).show() | |
| } | |
| } |
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| val coroutineScope = rememberCoroutineScope() | |
| val hintController = rememberHintController() | |
| // Now we can dismiss all pending hints from a hint itself | |
| val topAppBarHint = rememberHintContainer { | |
| OutlinedButton( | |
| onClick = { | |
| hintController.dismiss() | |
| } | |
| ) { Text("Hint for TopAppBar") } |
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