Android Layout Android:theme use

Theme theme is used to set the UI style of the interface, you can set the entire application or an activity's interface style. The following theme are built into the Android SDK and can be categorized by title bar and status bar:

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2. android : Theme = " @android: Style/theme.dialog "     to display an activity as a modal   
4. ?android:theme = " @android: Style/theme.notitlebar "    does not display the application title bar   
6. ?android:theme = " @android: Style/theme.notitlebar.fullscreen "    does not display the application title bar and full-screen   
8. ?android:theme = " theme.light "    background is white   
10. ?android:theme = " Theme.Light.NoTitleBar "    white background with no title bar    
12. ?android:theme = " Theme.Light.NoTitleBar.Fullscreen "    white background, no title bar, full screen   
14. ?android:theme = " Theme.black "    background black   
16. ?android:theme = " Theme.Black.NoTitleBar "    black background with no title bar   
18. ?android:theme = " Theme.Black.NoTitleBar.Fullscreen "      black background, no title bar, full screen   
20. ?android:theme = " Theme.wallpaper "    with System desktop for application background   
22. ?android:theme = " Theme.Wallpaper.NoTitleBar "    with the system desktop as the application background, and no title bar   
24. ?android:theme = " Theme.Wallpaper.NoTitleBar.Fullscreen "    with System desktop for application background, no title bar, full screen   
26. ?android:theme = " translucent "    translucent   
28. ?android:theme = " Theme.Translucent.NoTitleBar "   Translucent, no title bar   
30. ?android:theme = " Theme.Translucent.NoTitleBar.Fullscreen "   Translucent, no title bar, full screen   
32. ?android:theme = " Theme.panel "   
34. ? Android:theme = "Theme.Light.Panel"   

These topics can be applied to the entire application application scope or to an active activity range.

Application Application Range
The theme property is set in the application node in Androidmanifest.xml, and the theme theme applies to the entire application.
<application
android:icon= "@drawable/icon"
android:icon= "@string/app_name"
Android:icon= "@android: Style/theme.black.notitlebar" >

Active Activity Range
Use Java code or set the theme of the active activity in Androidmanifest.xml, which applies only to the current activity.
In the Androidmainifest.xml Setup method:
<activity
Android:name= ". About "
Android:label= "@string/app_name"
Android:theme= "@android: Style/theme.black.notitlebar" >

Use Java code to set it up in the oncreate of the currently active activity:
@Override
public void OnCreate (Bundle savedinstancestate) {
Super.oncreate (savedinstancestate);
SetTheme (Android. R.style.theme_translucent_notitlebar);
Setcontentview (R.layout.main);
}

Android Layout Android:theme use