Android Jetpack compose中的AppCompativeActivity代替ComponentActivity
我想在Jetpack compose中单击按钮打开日期选择器对话框。Android Jetpack compose中的AppCompativeActivity代替ComponentActivity,android,android-jetpack-compose,appcompatactivity,Android,Android Jetpack Compose,Appcompatactivity,我想在Jetpack compose中单击按钮打开日期选择器对话框。 为此,我在按钮的onClick操作中使用了下面的代码 val context = LocalContext.current Button(onClick = { (context as AppCompatActivity).let { val picker = MaterialDatePicker.Builder.datePicker().build() picker.show(it.s
为此,我在按钮的
onClick
操作中使用了下面的代码
val context = LocalContext.current
Button(onClick = {
(context as AppCompatActivity).let {
val picker = MaterialDatePicker.Builder.datePicker().build()
picker.show(it.supportFragmentManager, picker.toString())
picker.addOnPositiveButtonClickListener {
// some code
}
}
})
如果我使用的是组件活动
,则不支持supportFragmentManager
。从
AppCompatActivity
扩展活动可以吗?或者,如果上述解决方案不正确,是否有其他方法可以获得解决方案?您可以使用
AppCompatActivity
,因为它扩展了FragmentActivity
,从而扩展了ComponentActivity
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
val activity = LocalContext.current as AppCompatActivity
Button(onClick={ showDatePicker(activity)}){
Text("Picker")
}
}
}
}
fun showDatePicker(activity: AppCompatActivity){
val picker = MaterialDatePicker.Builder.datePicker().build()
activity?.let {
picker.show(it.supportFragmentManager, picker.toString())
picker.addOnPositiveButtonClickListener {
}
}
}
注意:它至少需要AppCompat 1.3.0
版本