autojs里低质量截图

requestScreenCapture();sleep(1000);
var screen = captureScreen();//截登录界面图
screen = images.grayscale(screen);
screen = images.resize( screen, [device.width/4, device.height/4]  );
images.save( screen, "/sdcard/now.jpg", "png", 10 );
app.viewFile("/sdcard/now.jpg");

远程监控手机屏幕