我有一个Date变量,其中还包含时间:
Dim dt As Date
dt = "8/3/2016 7:10:40 AM"
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--> 以某种方式删除时间,所以结果应该是:
dt = "8/3/2016"
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怎么去掉时间呢?
通过构建 Yocto 映像,我在填充 Yocto SDK 期间遇到了这个问题。有人知道在哪里以及如何修复它吗?
ERROR: Error executing a python function in exec_python_func() autogenerated:
The stack trace of python calls that resulted in this exception/failure was:
File: 'exec_python_func() autogenerated', lineno: 2, function: <module>
0001:
*** 0002:extend_recipe_sysroot(d)
0003:
File: '/yocto/warrior/sources/poky/meta/classes/staging.bbclass', lineno: 557, function: extend_recipe_sysroot
0553: dest = newmanifest[l]
0554: if l.endswith("/"):
0555: staging_copydir(l, targetdir, dest, seendirs)
0556: continue
*** 0557: staging_copyfile(l, targetdir, dest, postinsts, seendirs)
0558:
0559: bb.note("Installed into sysroot: %s" % str(msg_adding))
0560: bb.note("Skipping as already exists in sysroot: …Run Code Online (Sandbox Code Playgroud) 我创建了矢量可绘制动画,并且想在 Compose 中使用。我在官方文档中发现我需要调用animatedVectorResource. 但AnimatedImageVector在下一个版本之前,整个内容已从 compose 中删除。如何在当前的 compose 版本中启动动画绘图?
android android-image android-drawable android-vectordrawable android-jetpack-compose
AlertDialog像下面这样简单
AlertDialog(
modifier = Modifier,
title = {
Text(text = "Title")
},
text = {
Column(
modifier = Modifier.fillMaxWidth()
) {
TextButton() {
Text("Text 1")
}
TextButton() {
Text("Text 2")
}
}
},
confirmButton = {},
dismissButton = {}
)
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如何设置标题和第一个之间的间距TextButton?
我尝试将 a 设置.padding(top = X.dp)为“列”或第一个文本按钮,但这似乎只在 .txt 文件的底部创建一个空间AlertDialog。
设置自定义也.height(X.dp)不起作用。
我正在使用撰写1.0.3
android spacing android-layout android-dialog android-jetpack-compose
在Jetpack Compose中,如何在单击某个项目时删除(或更改其形状)涟漪效果?
这是Material Design 3NavigationBar中的一个示例
var selectedItem by remember { mutableStateOf(0) }
val items = listOf("Songs", "Artists", "Playlists")
NavigationBar {
items.forEachIndexed { index, item ->
NavigationBarItem(
icon = { Icon(Icons.Filled.Favorite, contentDescription = null) },
label = { Text(item) },
selected = selectedItem == index,
onClick = { selectedItem = index }
)
}
}
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尝试添加一个Modifierwith
modifier = Modifier.clickable(interactionSource = interactionSource,indication = null){}
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无论是在 上NavigationBar还是在 上NavigationBarItem,都不起作用。
android android-layout kotlin material-components-android android-jetpack-compose
例如,如何在 jetpack 上创建两个窗口组成桌面,并在单击按钮时从一个窗口转到另一个窗口?
fun main() = application {
Window(
onCloseRequest = ::exitApplication,
title = "Products Manager",
state = rememberWindowState(width = 700.dp, height = 600.dp)
) {
val count = remember { mutableStateOf(0) }
MaterialTheme {
Column(Modifier.fillMaxSize(), Arrangement.spacedBy(5.dp)) {
Button(modifier = Modifier.align(Alignment.CenterHorizontally),
onClick = {
count.value++
}) {
Text(if (count.value == 0) "Hello World" else "Clicked ${count.value}!")
}
Button(modifier = Modifier.align(Alignment.CenterHorizontally),
onClick = {
count.value = 0
}) {
Text("Reset")
}
}
}
}
}
Run Code Online (Sandbox Code Playgroud) 我1.3.2在 Jetpack Compose 中使用 Coil,我有一个Image像这样的
Image(
painter = rememberImagePainter(
data = imageUrl,
onExecute = { _, _ -> true },
builder = {
placeholder(R.drawable.icon)
}
),
contentScale = ContentScale.FillWidth,
contentDescription = null,
modifier = Modifier
.fillMaxWidth()
.aspectRatio(1f)
)
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如何为占位符图标设置自定义颜色和大小?我在文档
中没有找到任何示例
android android-image android-icons android-jetpack-compose coil