我如何使一个活动全屏?没有通知栏。
当前回答
@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);
}
}
其他回答
getWindow().addFlags(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
getWindow () .setFlags (WindowManager.LayoutParams。FLAG_LAYOUT_NO_LIMITS WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);if (getSupportActionBar() != null){getSupportActionBar().hide();}
将此添加到styles.xml中
<item name="android:windowFullscreen">true</item>
的例子,
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="android:windowFullscreen">true</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
并更改AndroidManifest文件与波纹代码
android:theme="@style/AppTheme"
的例子,
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:theme="@style/AppTheme"
android:supportsRtl="true">
下面是一个示例代码。您可以打开/关闭标志来隐藏/显示特定的部件。
public static void hideSystemUI(Activity activity) {
View decorView = activity.getWindow().getDecorView();
decorView.setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
//| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
//| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_FULLSCREEN // hide status bar
| View.SYSTEM_UI_FLAG_IMMERSIVE);
}
然后,重置到默认状态:
public static void showSystemUI(Activity activity) {
View decorView = activity.getWindow().getDecorView();
decorView.setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
}
你可以在onCreate中调用上面的函数:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.course_activity);
UiUtils.hideSystemUI(this);
}
protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_splash_screen);
getSupportActionBar().hide();
}
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