Andrey Arapov AndreyArapov
AndreyArapov
/ scrollable.kt
Created
June 3, 2024 14:11
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| @Composable | |
| fun TestUi() { | |
| val scrollState = rememberScrollState() | |
| val buttonTag = "buttons" | |
| val contentTag = "content" | |
| Layout( | |
| modifier = Modifier | |
| .fillMaxSize() | |
| .verticalScroll(scrollState), | |
| content = { |
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| suspend fun LazyListState.animateScrollToItemCenter(index: Int) { | |
| var itemOffsetToCenter = layoutInfo.resolveItemOffsetToCenter(index) | |
| if (itemOffsetToCenter != null) { | |
| animateScrollToItem(index, itemOffsetToCenter) | |
| return | |
| } | |
| val containerSize = layoutInfo.viewportSize.height - layoutInfo.beforeContentPadding - layoutInfo.afterContentPadding | |
| // смещение чтобы сделать айтем видимым хотябы немного | |
| val offsetMagic = 50 | |
| // делает прыжок до айтема чтобы он был виден и могли узнать его размер |
AndreyArapov
/ waitForCrt.kt
Created
July 4, 2022 14:43
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| suspend fun <T> waitForCrt( | |
| frequencyMs: Long = 60, | |
| timeoutMs: Long = 5_000, | |
| allowedExceptions: Set<Class<out Any>> = setOf(), | |
| sleepAction: suspend (frequencyMs: Long) -> Unit = { delay(it) }, | |
| onWaiterRetry: (e: Throwable) -> Unit = {}, | |
| action: suspend () -> T | |
| ): T { | |
| var caughtAllowedException: Throwable | |
| val startTime = System.currentTimeMillis() |
AndreyArapov
/ ui.kt
Created
May 24, 2022 08:49
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| class View { | |
| fun show(s: String) { println(s) } | |
| } | |
| // Coroutines | |
| class Presenter1( | |
| private val context: CoroutineContext | |
| ) { | |
| private val scope = CoroutineScope(SupervisorJob() + context) |
AndreyArapov
/ Flow.kt
Created
May 24, 2022 08:14
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| // RxJava | |
| val disposable = CompositeDisposable() | |
| disposable += Single.just("Hello world!") | |
| .delay(10, TimeUnit.SECONDS, Schedulers.io()) | |
| .subscribe { | |
| println(it) | |
| } | |
| disposable.clear() |
AndreyArapov
/ Cancelation.kt
Last active
May 24, 2022 08:20
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| suspend fun calculate(): Int { | |
| throw ArithmeticException() | |
| } | |
| // bad | |
| suspend fun test1() { | |
| try { | |
| calculate() | |
| } catch (e: Throwable) { | |
| println(e) |
AndreyArapov
/ test
Last active
March 26, 2019 07:54
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| { | |
| "format": "pbf", | |
| "name": "OpenMapTiles", | |
| "attribution": "<a href=\"https://www.maptiler.com/copyright/\" target=\"_blank\">© MapTiler</a> <a href=\"https://www.openstreetmap.org/copyright\" target=\"_blank\">© OpenStreetMap contributors</a>", | |
| "bounds": [ | |
| -180, | |
| -85.0511, | |
| 180, | |
| 85.0511 | |
| ], |