如何在不重新计算布局的情况下在沉浸式模式和非沉浸式模式之间切换,从而体验反弹效果?这是我用来在状态之间切换的相关代码:
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
immersive_btn.setOnClickListener {
toggleImmersive()
}
}
val isInFullScreenImmersiveMode: Boolean
get() = window!!.decorView.systemUiVisibility and View.SYSTEM_UI_FLAG_IMMERSIVE == View.SYSTEM_UI_FLAG_IMMERSIVE
private fun toggleImmersive() {
if (isInFullScreenImmersiveMode) {
showSystemBar()
} else {
setFullScreenImmersiveMode()
}
}
fun showSystemBar() {
window!!.decorView.systemUiVisibility = (View.SYSTEM_UI_FLAG_LAYOUT_STABLE
or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)
}
fun setFullScreenImmersiveMode() {
window!!.decorView.systemUiVisibility = (View.SYSTEM_UI_FLAG_LAYOUT_STABLE
or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
or View.SYSTEM_UI_FLAG_FULLSCREEN
or View.SYSTEM_UI_FLAG_IMMERSIVE)
}
我想出的唯一解决方案是使用window?.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN)
inOnCreate()
但这会导致另一个问题:即使不在全屏沉浸模式下,也不会显示状态栏。
编辑:布局文件:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<Button
android:id="@+id/immersive_btn"
android:layout_centerInParent="true"
android:layout_centerHorizontal="true"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Toggle Immersive" />
</RelativeLayout>