android:theme

android:theme="@android:style/Theme.Dialog" : Activity is displayed in dialog mode

android:theme="@android:style/Theme.NoTitleBar" : Do not display the application title bar

android:theme="@android:style/Theme.NoTitleBar.Fullscreen" : Don't show the application title bar and go full screen

android:theme="Theme.Light ": background is white

android:theme="Theme.Light.NoTitleBar" : No title bar on white background

android:theme="Theme.Light.NoTitleBar.Fullscreen" : white background, no title bar, full screen

android:theme="Theme.Black" : background black

android:theme="Theme.Black.NoTitleBar" : no title bar on black background

android:theme="Theme.Black.NoTitleBar.Fullscreen" : black background, no title bar, full screen

android:theme="Theme.Wallpaper" : use the system desktop as the application background

android:theme="Theme.Wallpaper.NoTitleBar" : use the system desktop as the application background without a title bar

android:theme="Theme.Wallpaper.NoTitleBar.Fullscreen" : use the system desktop as the application background, no title bar, full screen

android:theme="Theme.Translucent : transparent background

android:theme="Theme.Translucent.NoTitleBar" : no title on transparent background

android:theme="Theme.Translucent.NoTitleBar.Fullscreen" : no title with transparent background, full screen

android:theme="Theme.Panel ": panel style display

android:theme="Theme.Light.Panel" : tablet style display