我正在开发带有今年发布的地理围栏的 android 应用程序。

我的理解是当用户进入(或离开)围栏时它应该触发 onHandleIntent 方法但是我很难触发到 onHandleIntent 方法

我已经检查了 3 天来弄清楚，但我最终还是做不到。

所以我需要任何人的帮助。

这是我的代码，我真的希望有人能帮助我。

    ///// MainActivity

    package com.example.geofence;


    import java.util.ArrayList;
    import java.util.List;

    import android.app.PendingIntent;
    import android.content.BroadcastReceiver;
    import android.content.Context;
    import android.content.Intent;
    import android.content.IntentFilter;
    import android.os.Bundle;
    import android.support.v4.app.FragmentActivity;
    import android.support.v4.content.LocalBroadcastManager;
    import android.text.TextUtils;
    import android.util.Log;

    import android.widget.Toast;

    import com.google.android.gms.common.ConnectionResult;
    import com.google.android.gms.common.GooglePlayServicesClient.ConnectionCallbacks;
    import com.google.android.gms.common.GooglePlayServicesClient.OnConnectionFailedListener;
    import com.google.android.gms.common.GooglePlayServicesUtil;
    import com.google.android.gms.location.Geofence;
    import com.google.android.gms.location.LocationClient;
    import com.google.android.gms.location.LocationClient.OnAddGeofencesResultListener;

    import com.google.android.gms.location.LocationRequest;
    import com.google.android.gms.location.LocationStatusCodes;

    public class MainActivity extends FragmentActivity implements 
                                        ConnectionCallbacks, 
                                        OnConnectionFailedListener, 
                                        OnAddGeofencesResultListener
                                         {
    private IntentFilter mIntentFilter;
    private LocationClient locationClient;
    private LocationRequest locatRequest;

    private PendingIntent intent;
    private List<Geofence> mGeoList;
    private Context mContext;
    private Geofence companyLocation;
    private  GeofenceSampleReceiver mBroadcastReceiver;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mContext = this;

        locatRequest = null;
        mGeoList = new ArrayList<Geofence>();

        intent = null;
        locationClient = new LocationClient(this,this,this);

        mIntentFilter = new IntentFilter();
        mIntentFilter.addAction("com.example.geofence.ACTION_GEOFENCES_ADDED");
        mIntentFilter.addCategory("com.example.geofence.CATEGORY_LOCATION_SERVICES");
        mBroadcastReceiver = new GeofenceSampleReceiver();
    }




    @Override
     protected void onStart() {

        companyLocation =  new Geofence.Builder()
        .setRequestId("1")
        .setTransitionTypes(Geofence.GEOFENCE_TRANSITION_ENTER | Geofence.GEOFENCE_TRANSITION_EXIT)
        .setCircularRegion(
                49.220531, -122.986772, (float)50)
        .setExpirationDuration(Geofence.NEVER_EXPIRE)
        .build();

        mGeoList.add(companyLocation);
        locationClient.connect();
        super.onStart();    

     }



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

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

           try{
               addGeofence();
           }catch(UnsupportedOperationException e){
            Toast.makeText(this, "add_geofences_already_requested_error",
                 Toast.LENGTH_LONG).show();
           }
       //    locationClient.requestLocationUpdates(locatRequest, intent);


    }

    public void addGeofence(){
        locationClient.addGeofences(mGeoList,intent , this);  

    }

     private PendingIntent getTransitionPendingIntent() {
            // Create an explicit Intent
            Intent localIntent = new Intent(this,
                    ReceiveTransitionsIntentService.class);
            /*
             * Return the PendingIntent
             */
            return PendingIntent.getService(
                    this,
                    0,
                    localIntent,
                    PendingIntent.FLAG_UPDATE_CURRENT);
    }






     @Override
     protected void onStop() {

            locationClient.disconnect();
            super.onStop();

     }

    @Override
    public void onAddGeofencesResult(int statusCode, String[] geofenceRequestIds) {
        // TODO Auto-generated method stub
        Intent broadcastIntent = new Intent();

        if(LocationStatusCodes.SUCCESS == statusCode){
            Toast.makeText(this, "Success", Toast.LENGTH_SHORT).show();

     broadcastIntent.setAction("com.example.android.geofence.ACTION_GEOFENCES_ADDED")
                            .addCategory("com.example.android.geofence.CATEGORY_LOCATION_SERVICES")
                                    .putExtra("com.example.android.geofence.EXTRA_GEOFENCE_STATUS","test");
        }
        else{
            Toast.makeText(this, "AddGeoError", Toast.LENGTH_SHORT).show();
        }

        LocalBroadcastManager.getInstance(mContext).sendBroadcast(broadcastIntent);

    }



    @Override
    public void onConnectionFailed(ConnectionResult arg0) {        // TODO Auto-generated method stub
         int code = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
         switch(code){

                case  ConnectionResult.SERVICE_MISSING :{
                    Toast.makeText(this, "SERVICE_MISSING " + code + " ConnectionResult.SERVICE_MISSING " +ConnectionResult.SERVICE_MISSING, Toast.LENGTH_SHORT).show();
                    break;

                }
                case ConnectionResult.SERVICE_VERSION_UPDATE_REQUIRED:{

                    Toast.makeText(this, "SERVICE_VERSION_UPDATE_REQUIRED " + code + " ConnectionResult.SERVICE_VERSION_UPDATE_REQUIRED " + ConnectionResult.SERVICE_VERSION_UPDATE_REQUIRED, Toast.LENGTH_SHORT).show();

                    break;
                }
                default:{
                    Toast.makeText(this, "start " + code, Toast.LENGTH_SHORT).show();
                }

            }
    }



     @Override
    protected void onDestroy() {
        // TODO Auto-generated method stub
        super.onDestroy();
    }



    @Override
    protected void onPause() {
        // TODO Auto-generated method stub
        super.onPause();
    }



    @Override
    protected void onResume() {
        // TODO Auto-generated method stub
         LocalBroadcastManager.getInstance(this).registerReceiver(mBroadcastReceiver, mIntentFilter);
        //locationClient.connect();
        super.onResume();
    }


    @Override
    public void onDisconnected() {
        // TODO Auto-generated method stub
        locationClient = null;
    }

    /*
     * Handle results returned to this Activity by other Activities started with
     * startActivityForResult(). In particular, the method onConnectionFailed() in
     * GeofenceRemover and GeofenceRequester may call startResolutionForResult() to
     * start an Activity that handles Google Play services problems. The result of this
     * call returns here, to onActivityResult.
     * calls
     */

    @Override
    protected void onActivityResult(
                int requestCode, int resultCode, Intent data) {
    }




     /**
     * Define a Broadcast receiver that receives updates from connection listeners and
     * the geofence transition service.
     */
    public class GeofenceSampleReceiver extends BroadcastReceiver {
        /*
         * Define the required method for broadcast receivers
         * This method is invoked when a broadcast Intent triggers the receiver
         */
        @Override
        public void onReceive(Context context, Intent intent) {

            // Check the action code and determine what to do
            String action = intent.getAction();

            // Intent contains information about errors in adding or removing geofences
         if (TextUtils.equals(action, "com.example.geofence.ACTION_GEOFENCES_ADDED")) {

                handleGeofenceStatus(context, intent);

            // Intent contains information about a geofence transition
            } else if (TextUtils.equals(action, "com.example.geofence.ACTION_GEOFENCE_TRANSITION")) {

                handleGeofenceTransition(context, intent);

            // The Intent contained an invalid action
            } else {

                Toast.makeText(context,"error", Toast.LENGTH_LONG).show();
            }
        }

        /**
         * If you want to display a UI message about adding or removing geofences, put it here.
         *
         * @param context A Context for this component
         * @param intent The received broadcast Intent
         */
        private void handleGeofenceStatus(Context context, Intent intent) {

        }

        /**
         * Report geofence transitions to the UI
         *
         * @param context A Context for this component
         * @param intent The Intent containing the transition
         */
        private void handleGeofenceTransition(Context context, Intent intent) {
            /*
             * If you want to change the UI when a transition occurs, put the code
             * here. The current design of the app uses a notification to inform the
             * user that a transition has occurred.
             */
        }

        /**
         * Report addition or removal errors to the UI, using a Toast
         *
         * @param intent A broadcast Intent sent by ReceiveTransitionsIntentService
         */
        private void handleGeofenceError(Context context, Intent intent) {

        }
    }


}



///// ReceiveTransitionsIntentService

    package com.example.geofence;

    import java.util.List;

    import android.app.IntentService;
    import android.app.NotificationManager;
    import android.app.PendingIntent;
    import android.content.Context;
    import android.content.Intent;
    import android.support.v4.app.NotificationCompat;
    import android.support.v4.app.TaskStackBuilder;
    import android.util.Log;
    import android.widget.Toast;

    import com.google.android.gms.location.Geofence;
    import com.google.android.gms.location.LocationClient;

    public class ReceiveTransitionsIntentService extends IntentService {

    /**
     * Sets an identifier for the service
     */
    private Context mContext;
    public ReceiveTransitionsIntentService(Context c) {

        super("ReceiveTransitionsIntentService");
        mContext =c;
    }

    /**
     * Handles incoming intents
     *@param intent The Intent sent by Location Services. This
     * Intent is provided
     * to Location Services (inside a PendingIntent) when you call
     * addGeofences()
     */
    @Override
    protected void onHandleIntent(Intent intent) {
        // First check for errors

        //Toast.makeText(mContext, "onHandleIntent", Toast.LENGTH_LONG).show();
        if (LocationClient.hasError(intent)) {
            // Get the error code with a static method
            int errorCode = LocationClient.getErrorCode(intent);
            // Log the error
            Log.e("ReceiveTransitionsIntentService",
                    "Location Services error: " +
                    Integer.toString(errorCode));
            /*
             * You can also send the error code to an Activity or
             * Fragment with a broadcast Intent
             */
        /*
         * If there's no error, get the transition type and the IDs
         * of the geofence or geofences that triggered the transition
         */
        } else {


              int transitionType = LocationClient.getGeofenceTransition(intent);
            if(transitionType == Geofence.GEOFENCE_TRANSITION_ENTER || 
                    transitionType == Geofence.GEOFENCE_TRANSITION_EXIT){
                List<Geofence> geofences = LocationClient.getTriggeringGeofences(intent);
                String[] geofenceIds = new String [geofences.size()];
                for(int i = 0; i <geofences.size(); i++){
                     geofenceIds[i] = geofences.get(i).getRequestId();
                }
                String ids = "1";
                String transition = ((transitionType == Geofence.GEOFENCE_TRANSITION_ENTER ) ?"you are in":"you are out");
                Toast.makeText(mContext, transition, Toast.LENGTH_LONG).show();

                sendNotification(transition,ids);
                //FOR THE NOTIFICATION.

                //NotificationManager mNotificationManager =
                  //      (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

            }




        } 
    }




    private void sendNotification(String transitionType, String ids) {

        // Create an explicit content Intent that starts the main Activity
        Intent notificationIntent =
                new Intent(getApplicationContext(),MainActivity.class);

        // Construct a task stack
        TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);

        // Adds the main Activity to the task stack as the parent
        stackBuilder.addParentStack(MainActivity.class);

        // Push the content Intent onto the stack
        stackBuilder.addNextIntent(notificationIntent);

        // Get a PendingIntent containing the entire back stack
        PendingIntent notificationPendingIntent =
                stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);

        // Get a notification builder that's compatible with platform versions >= 4
        NotificationCompat.Builder builder = new NotificationCompat.Builder(this);

        // Set the notification contents
        builder.setSmallIcon(R.drawable.ic_notification)
               .setContentTitle(
                       transitionType+ " geofence_transition_notification_title " +ids)
               .setContentIntent(notificationPendingIntent);

        // Get an instance of the Notification manager
        NotificationManager mNotificationManager =
            (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

        // Issue the notification
        mNotificationManager.notify(0, builder.build());
    }



}

最佳答案

你的半径设置为 50，这意味着你需要从你所在的位置移动 50 米才能触发 handle 。您是否尝试过使用 2m 半径？

关于android - 谷歌播放地理围栏 onHandleIntent，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/16797950/