android - 在 Android 中进入 GeoFence 时无法显示通知

Question

我正在 Android 中开发 GeoFencing，我被困在了一个点上。我的任务是在用户进入/退出我定义的地理围栏区域时向他显示通知。

这是我的代码:

Activity 类

public class TestMapActivity extends FragmentActivity implements    
    OnMarkerDragListener,ConnectionCallbacks, OnConnectionFailedListener,OnAddGeofencesResultListener {

private static GoogleMap map;
private LocationClient mLocationClient;
private PendingIntent mGeofencePendingIntent;
private SimpleGeoFence fence;
private List<Geofence> mGeoList;
private LocationRequest localRequest;
private GeofenceReceiver mBroadcastReceiver;
private IntentFilter mIntentFilter;

@Override
protected void onCreate(Bundle saveInstance)
{
        super.onCreate(saveInstance);
        setContentView(R.layout.activity_map);
        map = ((SupportMapFragment)getSupportFragmentManager().findFragmentById(R.id.map)).getMap();
        map.setOnMarkerDragListener(this);
        CameraPosition INIT =
        new CameraPosition.Builder()
        .target(new LatLng(19.0222, 72.8666))
        .zoom(17.5F)
        .bearing(300F) // orientation
        .tilt( 50F) // viewing angle
        .build();
         map.moveCamera( CameraUpdateFactory.newCameraPosition(INIT) );

 }


   @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        MenuInflater menuInflater = getMenuInflater();
        menuInflater.inflate(R.menu.main, menu);
        return true;
    }

 @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {

        switch (item.getItemId())
        {
            case R.id.add_fence:

            Toast.makeText(TestMapActivity.this, "Add fence is Selected", Toast.LENGTH_LONG).show();

            fence= new SimpleGeoFence();
            fence.toGeofence();
            addMarkerForFence(fence);
            addIntentForFence();
            return true;
            default:
                 return super.onOptionsItemSelected(item);
        }
    }

     public void addMarkerForFence(SimpleGeoFence fence){
     if(fence == null){
         // display an error message and return
        return;
     }


     //Instantiates a new CircleOptions object +  center/radius
     CircleOptions circleOptions = new CircleOptions()
       .center( new LatLng(19.0216, 72.8646 ))
       .radius( 500 )
       .fillColor(0x40ff0000)
       .strokeColor(Color.TRANSPARENT)
       .strokeWidth(2);

     map.addCircle(circleOptions);

     map.addMarker( new MarkerOptions()
       .position( new LatLng(19.0216, 72.8646) )
       .title("Fence " +fence.getId())
       .snippet("Radius: " +fence.getRadius()) ).showInfoWindow();

     // Get back the mutable Circle
     Circle circle = map.addCircle(circleOptions);

 }

     public void addIntentForFence()
 {

     Geofence geoFence= fence.toGeofence();
     mGeoList = new ArrayList<Geofence>();
     mGeoList.add(geoFence);

     mLocationClient = new LocationClient(this, this, this);
     mLocationClient.connect();

    }

   @Override
public void onConnected(Bundle arg0) {
    // TODO Auto-generated method stub

    mGeofencePendingIntent = createRequestPendingIntent(); 

    localRequest = LocationRequest.create();
    localRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY);
    localRequest.setInterval(5000);

    mLocationClient.addGeofences(mGeoList, mGeofencePendingIntent , this);  
}

    private PendingIntent createRequestPendingIntent() {

    if (null != mGeofencePendingIntent) {

        return mGeofencePendingIntent;

    } else {


        Intent intent = new Intent("com.example.ACTION_RECEIVE_GEOFENCE");
        System.out.println("Intent" +intent);
        //sendBroadcast(intent);
        return PendingIntent.getBroadcast(
                getApplicationContext(),
                0,
                intent,
                PendingIntent.FLAG_UPDATE_CURRENT);
    }
}
} //end oncreate

GeofenceReceiver 类

  public class GeofenceReceiver extends BroadcastReceiver
  {
         public Context context;
         Intent broadcastIntent = new Intent();

          @Override
      public void onReceive(Context context, Intent intent) {

           // TODO Auto-generated method stub

             this.context = context;
              broadcastIntent.addCategory("com.example.CATEGORY_LOCATION_SERVICES");        
              String action= intent.getAction();

               if (LocationClient.hasError(intent)) {
                       //do something
                } 
               else 
                {
               handleEnterExit(intent);
                 }
           }

         private void handleEnterExit(Intent intent) {

             int transition = LocationClient.getGeofenceTransition(intent);

              System.out.println("transition" +transition); //getting -1 over here
              if ((transition == Geofence.GEOFENCE_TRANSITION_ENTER)
                || (transition == Geofence.GEOFENCE_TRANSITION_EXIT)) {

                         //send notification over here
             }   

    } 

AndroidManifest.xml容器接收器

    <receiver android:name="com.example.GeofenceReceiver" android:exported="false">
    <intent-filter >
        <action android:name="com.example.ACTION_RECEIVE_GEOFENCE"/>
    </intent-filter>
</receiver>

所以基本上我能够看到我的 GeoFence 正在创建，但我没有收到相同的通知。

有人对此有解决方案吗？

Answer 1

只需检查它的示例代码。你正在使用地理围栏，但你没有提到位置客户端和位置连接，因此谷歌播放服务无法连接到客户端，你无法接收通知获取谷歌请求者文件并检查地理围栏添加列表中的主要 Activity 并连接位置客户端希望对你有用