android 检测摇一摇

浏览数：19 / 时间：2015年06月11日

Manifest添加  <br><uses-permission android:name="android.permission.VIBRATE"/><br><br><br>package 
com.example.a;
 
import android.app.Activity;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.os.Handler;
import 
android.os.Message;
import 
android.os.Vibrator;
import 
android.view.Menu;
import 
android.widget.Toast;
 
public 
class MainActivity extends 
Activity {
    private 
SensorManager smg;
    private 
Vibrator vbt;
    private 
static final int SENSOR_SHAKE=10;
    @Override
    protected 
void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        smg=(SensorManager)this.getSystemService(SENSOR_SERVICE);
        vbt=(Vibrator)this.getSystemService(VIBRATOR_SERVICE);
         
    }
    @Override
    public 
void onResume(){
        super.onResume();
        if(smg!=null){
            smg.registerListener(sensorEventListener, smg.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),smg.SENSOR_DELAY_NORMAL);
        }
    }
    @Override
    public 
void onPause(){
        super.onPause();
        if(smg!=null){
            smg.unregisterListener(sensorEventListener);
        }
    }
    private 
SensorEventListener sensorEventListener =new 
SensorEventListener(){
        public 
void onSensorChanged(SensorEvent event){
            float[] values =event.values;
            float 
x = values[0];
            float 
y = values[1];
            float 
z = values[2];
            System.out.println("x:"+x+"    y:"+y+"     z:"+z);
            int 
medumValue =15;
            if(Math.abs(x)>medumValue||Math.abs(y)>medumValue||Math.abs(z)>medumValue){
                vbt.vibrate(200);
                Message msg=new 
Message();
                msg.what=SENSOR_SHAKE;
                 
            }
        }
        public 
void onAccuracyChanged(Sensor sensor,int 
assuray){
             
        }
    };
    Handler handler=new 
Handler(){
        public 
void handleMessage(Message msg){
            super.handleMessage(msg);
            switch 
(msg.what){
            case 
SENSOR_SHAKE:
                Toast.makeText(getApplicationContext(), "I know you are shake your phone now", 2000).show();
            }
        }
    };
 
    @Override
    public 
boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return 
true;
    }
     
}