[移动开发]android8.1强制所有界面横屏显示

android8.1强制所有界面横屏显示

找到文件：
frameworks\base\services\core\java\com\android\server\policy\PhoneWindowManager.java
在方法：rotationForOrientationLw中添加如下代码：

Display d = ((WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE))  
                   .getDefaultDisplay();  
	    if (d.getWidth() > d.getHeight()) {  
		    mPortraitRotation = Surface.ROTATION_0;  
		    mLandscapeRotation = Surface.ROTATION_90;  
		    mUpsideDownRotation = Surface.ROTATION_270;  
		    mSeascapeRotation = Surface.ROTATION_180;  
			
	    }