WindowManager windowManager = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
WindowManager.LayoutParams layoutParams=new WindowManager.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT,WindowManager.LayoutParams.WRAP_CONTENT
,0,0,PixelFormat.TRANSPARENT);
layoutParams.flags= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE//表示当前Window不需要获取焦点，也不需要获取输入事件，事件会直接传递给下面的view
|WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL//表示当前Window区域之外的单击事件向下传递，区域内部的事件由自己处理
| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;//window显示在锁屏之上
layoutParams.type = WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
//透明层
layoutParams.format=PixelFormat.TRANSPARENT;//不加这句可能会addView不上去
LayoutInflater Inflater=(LayoutInflater)this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View mainview=Inflater.inflate(R.layout.desktop_window_pops,null);
windowManager.addView(mainview,layoutParams);
度之
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