(SensorSample source code download. Android sensors use basic source code, and sensors are essential in Android smartphones. In fact, many smart phones are smart because many sensors transfer data to the phone for management. For example, the use of sensors is an example. Other sensors, such as gravity sensors and interval sensors, are excellent examples of Android phone sensors. Of course, in this example, they are particularly basic, The code is not too messy, so it is especially helpful for Android programmers.)