Android Development (28) Build a compass Application

Source: Internet
Author: User


Based on the online materials, I made a compass app.


1. Obtain SensorManager.

MSensorManager = (SensorManager) getSystemService (SENSOR_SERVICE );

2. register the listener




3. Listener implementation

SensorEventListener mSensorEventListener = degree = event. values [0 transit ra = Merge (currentDegree,-0.5f0.5f ra. setDuration (200 ra. setFillAfter (=-onAccuracyChanged (Sensor sensor,


4. release resources and cancel listener Registration

// Cancel registration
MSensorManager. unregisterListener (mSensorEventListener );



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