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[英]Navigate the BottomNavBar on Button click - Jetpack Compose
[英]Is Jetpack Compose BottomNavBar? How can use bottomNavbar any Example?
我正在 android 應用程序中編寫jectpack compose
。 所以我想使用使用bottomAppbar
。 從來沒有找到任何例子有人可以幫忙嗎?
使用1.0.0
,您可以使用BottomAppBar
BottomAppBar (backgroundColor = yellow500) {
IconButton(onClick = { /* doSomething() */ }) {
Icon(Icons.Filled.Menu,"")
}
// The actions should be at the end of the BottomAppBar
Spacer(Modifier.weight(1f, true))
IconButton(onClick = { /* doSomething() */ }) {
Icon(Icons.Filled.Favorite,"")
}
IconButton(onClick = { /* doSomething() */ }) {
Icon(Icons.Filled.Call,"")
}
}
使用 FAB:
val fabShape = CircleShape
val scaffoldState = rememberScaffoldState()
val scope = rememberCoroutineScope()
Scaffold(
scaffoldState = scaffoldState,
drawerContent = { Text("Drawer content") },
topBar = { },
bottomBar = {
BottomAppBar(cutoutShape = fabShape) {
IconButton(
onClick = {
scope.launch { scaffoldState.drawerState.open() }
}
) {
Icon(Icons.Filled.Menu,"")
}
}
},
floatingActionButtonPosition = FabPosition.Center,
isFloatingActionButtonDocked = true,
floatingActionButton = {
FloatingActionButton(
shape = fabShape,
onClick = {}
) {
Icon(Icons.Filled.Add,"")
}
}, content = {
//bodyContent()
})
是的, jetpack compose
支持帶有簡單和FloatingActionButton
的BottomAppBar
檢查下面的代碼示例,它可以幫助您更多
BottomAppBarWithoutFab
@Composable
fun BottomAppBarNoFab(getMyActionImage: () -> Image, getMyNavigationImage: () -> Image) {
val someActionImage: Image = getMyActionImage()
val someNavigationImage: Image = getMyNavigationImage()
val navigationIcon: @Composable() () -> Unit = {
AppBarIcon(someNavigationImage) { /* doSomething()*/ }
}
val actionData = listOf(someActionImage)
BottomAppBar(
navigationIcon = navigationIcon,
actionData = actionData
) { actionImage ->
AppBarIcon(actionImage) { /* doSomething()*/ }
}
}
檢查BottomAppbarWithoutFab
截圖
BottomAppBarWithCutout
@Composable
fun BottomAppBarCutoutFab(
getMyActionImage: () -> Image,
getMyNavigationImage: () -> Image
) {
val someActionImage: Image = getMyActionImage()
val someNavigationImage: Image = getMyNavigationImage()
val navigationIcon: @Composable() () -> Unit = {
AppBarIcon(someNavigationImage) { /* doSomething()*/}
}
val actionData = listOf(someActionImage)
BottomAppBar(
navigationIcon = navigationIcon,
fabConfiguration = BottomAppBar.FabConfiguration(cutoutShape = CircleShape) {
FloatingActionButton(
color = +themeColor { secondary },
icon = +imageResource(R.drawable.ic_add_icon),
onClick = { /** doSomething() */ })
},
actionData = actionData
) { actionImage ->
AppBarIcon(actionImage) { /* doSomething()*/ }
}
}
檢查bottomAppbarcutoutFab
截圖
檢查下面的代碼我們如何調用@Compose
function
Column(mainAxisAlignment = MainAxisAlignment.End) {
BottomAppBarNoFab(getMyActionImage = {
+imageResource(R.drawable.ic_home_icon)
}, getMyNavigationImage = {
+imageResource(R.drawable.ic_heart_icon)
})
}
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