lux*_*i78 7 android-jetpack-compose
假设有一个按钮定义如下
val btnEnabled by remember { mutableStateOf(true) }
...
Button(
colors = ButtonDefaults.buttonColors(
background = Color.Yellow
disabledBackgroundColor = Color.Black ),
enabled = btnEnabled
) {
...
}
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当 的值btnEnabled
改变时,按钮的背景会立即刚性地改变。有什么办法让它变成动画过渡吗?
axe*_*ans 10
您可以尝试这样,将按钮设置为背景并使用动画颜色禁用
val isButtonEnabled = remember { mutableStateOf(true) }
val animatedButtonColor = animateColorAsState(
targetValue = if (isButtonEnabled.value) Color.Green else Color.Red,
animationSpec = tween(1000, 0, LinearEasing)
)
Button(
colors = ButtonDefaults.buttonColors(
backgroundColor = animatedButtonColor.value,
disabledBackgroundColor = animatedButtonColor.value,
),
enabled = isButtonEnabled.value,
onClick = { }
) {
Text(text = "Target")
}
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