解决被第三方应用强制竖屏

代码路径 frameworks\base\core\java\android\view\windowmanager.java

/**

        * Specific orientation value for a window.
        * May be any of the same values allowed
        * for {@link android.content.pm.ActivityInfo#screenOrientation}. 
        * If not set, a default value of 
        * {@link android.content.pm.ActivityInfo#SCREEN_ORIENTATION_UNSPECIFIED} 
        * will be used.
        */
       public int screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;

把UNSPECIFIED修改为LANDSCAPE或PORTRAIT!!!