private void showRecordedWindow() {
        /* create a view and attach it to Window Manager */
        LayoutInflater inflater = (LayoutInflater) mContext
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        recordedView = inflater.inflate(R.layout.recorded, null);
        mWindowManager.addView(recordedView, getLayoutParams());
    }

    private WindowManager.LayoutParams getLayoutParams() {
        mLp.setTitle("ScreenRecorded");   //虚拟显示器过滤标识判断
        mLp.type = WindowManager.LayoutParams.TYPE_PHONE;
        mLp.format = PixelFormat.RGBA_8888;
        mLp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
                | WindowManager.LayoutParams.FLAG_TOUCHABLE_WHEN_WAKING
                | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
        mLp.gravity = Gravity.CENTER_VERTICAL;
        mLp.width = WindowManager.LayoutParams.WRAP_CONTENT;
        mLp.height = WindowManager.LayoutParams.WRAP_CONTENT;
        mDisplay.getRealSize(mPoint);
        int displayWidth = mPoint.x;
        int displayHeight = mPoint.y;
        mLp.x = displayWidth / 2;
        mLp.y = 0;
        return mLp;
    }

SurfaceFlinger.cpp

if (!drawRegion.isEmpty()) {
                            //layersSortedByZ.add(layer);
                            if(DisplayDevice::DISPLAY_VIRTUAL == displayDevice->getDisplayType()){
                                string a= layer->getName().string();
                                string::size_type idx = a.find("ScreenRecorded#0");
                                if(idx == string::npos){
                                    layersSortedByZ.add(layer);
                                }
                            }else{
                                layersSortedByZ.add(layer);
                            }
                        }