我如何使一个活动全屏?没有通知栏。
当前回答
对于安卓X
1. 透明状态栏
window?.decorView?.systemUiVisibility = (View.SYSTEM_UI_FLAG_LAYOUT_STABLE
or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)
window.statusBarColor = Color.TRANSPARENT
2. 透明的状态栏和底部导航栏
window.setFlags(
WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
);
3.隐藏状态栏
API 30+推荐的Compat解决方案(包括向后兼容性)
val windowInsetsController =
WindowCompat.getInsetsController(window, window.decorView) ?: return
windowInsetsController.systemBarsBehavior =
WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
windowInsetsController.hide(WindowInsetsCompat.Type.statusBars())
https://developer.android.com/training/system-ui/immersive
4. 隐藏状态栏和底部导航栏
消防级别30:
SystemUiVisibility标志已弃用。请改用WindowInsetsController。
和3一样。,只需使用WindowInsetsCompat.Type.systemBars()
val actionBar: ActionBar? = supportActionBar
if (actionBar != null) actionBar.hide()
val windowInsetsController =
WindowCompat.getInsetsController(window, window.decorView) ?: return
windowInsetsController.systemBarsBehavior =
WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
windowInsetsController.hide(WindowInsetsCompat.Type.systemBars())
https://developer.android.com/training/system-ui/immersive
把这些代码放在哪里?
override fun onCreate(savedInstanceState: Bundle?) {
/* Put above code here ..... */
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_slider)
}
Note
我在Pixel 3A模拟器中检查了这段代码 可能自定义android操作系统不支持 set style <style name="主题。"全屏Theme.MaterialComponents.DayNight.NoActionBar“父= >
其他回答
要使您的活动全屏执行以下操作:
// add following lines before setContentView
// to hide toolbar
if(getSupportActionBar()!=null)
getSupportActionBar().hide();
//to hide status bar
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
这将隐藏工具栏和状态栏。
但在某些情况下,你可能想用透明的背景显示状态栏,在这种情况下,这样做:
// add following lines before setContentView
// to hide toolbar
if(getSupportActionBar()!=null)
getSupportActionBar().hide();
// to make status bar transparent
getWindow().setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
一些其他的替代隐藏工具栏代替 getSupportActionBar () hide ():
通过改变应用主题的父元素来移除工具栏:
<style name="AppTheme" parent="Theme.AppCompat.NoActionBar">
如果你想从一个活动中删除工具栏,然后去manifest,在活动标签下添加这个:android:theme="@style/ theme . appcompat.light . noactionbar "
对于kotlin爱好者,为什么不使用扩展函数呢:
对于第一种情况:
fun AppCompatActivity.makeItFullScreenStatusBarVisible(){
supportActionBar?.hide()
window.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS)
}
在setContentView之前调用这个:
makeItFullScreenStatusBarVisible()
第二题:
fun AppCompatActivity.makeItFullScreenStatusBarHidden(){
supportActionBar?.hide()
window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN)
}
在setContentView之前调用它:
makeItFullScreenStatusBarHidden()
import androidx.core.view.WindowInsetsCompat.Type
fun Activity.fullscreen() {
with(WindowInsetsControllerCompat(window, window.decorView)) {
systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_BARS_BY_SWIPE
hide(Type.systemBars())
}
}
fun Activity.exitFullscreen() {
WindowInsetsControllerCompat(window, window.decorView).show(Type.systemBars())
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
adjustFullScreen(newConfig);
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
if (hasFocus) {
adjustFullScreen(getResources().getConfiguration());
}
}
private void adjustFullScreen(Configuration config) {
final View decorView = getWindow().getDecorView();
if (config.orientation == Configuration.ORIENTATION_LANDSCAPE) {
decorView.setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_FULLSCREEN
| View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
} else {
decorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
}
}
只需将此代码粘贴到onCreate()方法中
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
主题
<style name="Theme.FluidWallpaper.FullScreen" parent="@style/Theme.AppCompat.Light.NoActionBar">
<item name="android:windowFullscreen">true</item>
<item name="android:windowTranslucentStatus">true</item>
<item name="android:windowTranslucentNavigation">true</item>
<item name="android:statusBarColor">@android:color/transparent</item>
<item name="android:navigationBarColor">@android:color/transparent</item>
<item name="android:windowLayoutInDisplayCutoutMode" tools:targetApi="o_mr1">shortEdges</item>
</style>
安卓清单
<activity android:exported="false"
android:name=".FullScreenActivity"
android:screenOrientation="fullSensor"
android:theme="@style/Theme.FluidWallpaper.FullScreen"/>
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