Android官方入門文檔[8]重疊操作欄

Android官方入門文檔[8]重疊操作欄   Overlaying the Action Bar 重疊操作欄   This lesson teaches you to 1.Enable Overlay Mode  1.For Android 3.0 and higher only  2.For Android 2.1 and higher 2.Specify Layout Top-margin

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