Android Proximity Sensor近距离传感器P-Sensor详解手机开发

import android.hardware.SensorManager; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; public class MainActivity extends AppCompatActivity { private SensorManager mSensorManager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); startSensor(); /** * 启动传感器。 private void startSensor() { mSensorManager = (SensorManager) this.getSystemService(Context.SENSOR_SERVICE); Sensor mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY); if (mSensorManager == null || mSensor == null) { throw new UnsupportedOperationException("设备不支持"); boolean isRegister = mSensorManager.registerListener(mSensorEventListener, mSensor, SensorManager.SENSOR_DELAY_NORMAL); if (!isRegister) { throw new UnsupportedOperationException("设备不支持"); private SensorEventListener mSensorEventListener = new SensorEventListener() { @Override public void onSensorChanged(SensorEvent sensorEvent) { float proximity=sensorEvent.values[0]; Log.d("近距离", String.valueOf(proximity)); @Override public void onAccuracyChanged(Sensor sensor, int i) { @Override protected void onDestroy() { super.onDestroy(); mSensorManager.unregisterListener(mSensorEventListener); }

原创文章，作者：Maggie-Hunter，如若转载，请注明出处：https://blog.ytso.com/3123.html

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