from com.android.monkeyrunner import MonkeyRunner,MonkeyDevice,MonkeyImage

 #device = MonkeyRunner.waitForConnection()

 #device.startActivity(component="com.lenovo.scg/.camera.CameraLauncher")

 #MonkeyRunner.sleep(1)

 def take_picture(device):

     for i in range(1,5):

         MonkeyRunner.sleep(2)

         device.touch(541,1761,'DOWN_AND_UP')

 def switch_camera(device):

     MonkeyRunner.sleep(3)

     device.touch(989,89,'DOWN_AND_UP')

 def enter_camera(device):

     device.touch(413,1101,'DOWN_AND_UP')

     MonkeyRunner.sleep(2)

 def exit_camera(device):

     MonkeyRunner.sleep(2)

     device.press('KEYCODE_HOME', MonkeyDevice.DOWN_AND_UP)

     MonkeyRunner.sleep(3)

 def TEST_LOOP(device):

     enter_camera(device)

     take_picture(device)

     switch_camera(device)

     take_picture(device)

     exit_camera(device)

 def main():

     print "Start"

     device = MonkeyRunner.waitForConnection()

     if not device:

         print "Couldn't get connection"

         sys.exit()

     print "Found device"

     for i in range(1,300):

         TEST_LOOP(device)

         print(i)

 if __name__ == '__main__':

     main()