12 2021 档案
摘要：public class ItemDragCallback extends ItemTouchHelper.Callback { private BleListAdapter mAdapter; private boolean mEdit; public ItemDragCallback(BleLi
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摘要：java private static List<String> sPermissions = new ArrayList<String>(){}; private static int MAX_NUMBER_REQUEST_PERMISSIONS = 2; private static int R
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摘要：public class ShareManager { //分享文件 public static void shareFiles(Context context, List<File> fileList) { if(context == null || fileList == null || fil
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摘要：class AppLifeObserver: LifecycleObserver { @OnLifecycleEvent(Lifecycle.Event.ON_START) fun onForeground() { LogUtils.logd("Application enters the fore
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摘要：//创建一直合适的空白，大小100*100的图片RGB_565会使透明图片变黑建议用ARGB_8888 Bitmap newBitmap = Bitmap.createBitmap(100, 100, Bitmap.Config.RGB_565); //初始化画布 Canvas canvas = n
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摘要：@Composable fun StaggeredFlow( modifier: Modifier = Modifier, itemSpacing: Dp = 0.dp, lineSpacing: Dp = 0.dp, gravity: Int = Gravity.LEFT, content: @C
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摘要：//用于引发错误 放在全局 var ActiveUser = compositionLocalOf<String> { error("No active user found!") } //使用 中间组件不需要知道该CompositionLocal值， CompositionLocalProvide
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摘要：@Composable fun MyOwnColumn( modifier: Modifier = Modifier, content: @Composable () -> Unit ) { Layout( modifier = modifier, content = content ) { mea
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摘要：// 我们用这个状态保存滚动位置 val scrollState = rememberScrollState() Column(Modifier.verticalScroll(scrollState)) { 。。。 } //滚动列表控件 LazyColumn { items(100) { //注意这
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摘要：//通过偏移各个开始时间来创建“stagger”动画的自定义过渡 mStaggeredTransition = new TransitionSet(); Transition first = new ChangeBounds(); Transition second = new ChangeBoun
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