How to hide the title bar and status bar in Android

1. Hide the title bar Copy codeThe Code is as follows: // hide the title bar this. requestWindowFeature (Window. FEATURE_NO_TITLE );

Ii. Hide the status barCopy codeThe Code is as follows: // hide the status bar this. getWindow (). setFlags (WindowManager. LayoutParams. FLAG_FULLSCREEN, WindowManager. LayoutParams. FLAG_FULLSCREEN );

3. Remove the title bar of all Activity interfaces.
Modify AndroidManifest. xml
Add android: theme = "@ android: style/Theme. NoTitleBar" to the application tag"
4. Remove TitleBar and StatusBar from all Activity interfaces.
Modify AndroidManifest. xml
Add in application label
Android: theme = "@ android: style/Theme. NoTitleBar. Fullscreen"