Compose 去除点击水波纹阴影效果_局部and全局去除-CompositionLocal实例
一:针对单个view,去除点击效果,可以在clickable 中添加
1 | indication = null, interactionSource = remember { MutableInteractionSource() } |
二:针对整个Activity,你可以在最root的compose里设置,通过CompositionLocal(让数据流经界面树的一种隐式方式),属性传递,把children就全部替换了
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fun ComposeTheme(
content: @Composable () -> Unit
) {
MaterialTheme(colors = LightColorPalette) {
// 设置全局参数,去除默认点击效果
CompositionLocalProvider(
LocalIndication provides NoIndication
) {
ProvideTextStyle(value = MaterialTheme.typography.body1, content = content)
}
}
}
// null indication
object NoIndication : Indication {
private object NoIndicationInstance : IndicationInstance {
override fun ContentDrawScope.drawIndication() {
drawContent()
}
}
override fun rememberUpdatedInstance(interactionSource: InteractionSource): IndicationInstance {
return NoIndicationInstance
}
}