我正在尝试在Activity上显示地图，但它没有显示，即使我在清单中声明了所有权限并添加了Google库。
这是logcat错误
08-02 18:44:44.568: E/ActivityThread(2482): Failed to find provider info for com.google.settings
08-02 18:44:44.579: E/ActivityThread(2482): Failed to find provider info for com.google.settings
08-02 18:44:44.609: E/ActivityThread(2482): Failed to find provider info for com.google.settings
08-02 18:44:46.229: E/MapActivity(2482): Couldn't get connection factory client
08-02 18:44:47.468: W/IInputConnectionWrapper(2482): finishComposingText on inactive InputConnection