GoogleApiClient在启动时未连接服务

Question

我使用GoogleApiClient监听启动时启动的服务上的位置，通过侦听android.intent.action.BOOT_COMPLETED的BroadcastReceiver。

@Override 
    public void onReceive(Context context, Intent intent) { 
     Intent serviceA = new Intent(context, ServiceA.class); 
     startWakefulService(context, serviceA); 
    } 

在服务使用：

mGoogleApiClient = new GoogleApiClient.Builder(ServiceB.this) 
     .addConnectionCallbacks(mConnectionCallbacks) 
     .addOnConnectionFailedListener(mOnConnectionFailedListener) 
     .addApi(LocationServices.API).build(); 
    mGoogleApiClient.connect(); 

服务在系统启动开始，但我的问题是，无论是mConnectionCallbacks也不mOnConnectionFailedListener是不断调用。

我在做什么有什么问题。当我在“活动”或“活动”启动的服务上使用它时，这种方式可以很好地调用GoogleApiClient。

谢谢

Answer 1

import com.google.android.gms.common.ConnectionResult; 

import com.google.android.gms.common.api.GoogleApiClient; 
import com.google.android.gms.location.LocationServices; 

public class YourActivity extends Activity implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener { 

protected GoogleApiClient mGoogleApiClient; 

@Override 
public void onCreate() { 
mGoogleApiClient = new GoogleApiClient.Builder(this) 
.addConnectionCallbacks(this) 
.addOnConnectionFailedListener(this) 
.addApi(LocationServices.API) 
.build(); 
} 


@Override 
protected void onStart() { 
super.onStart(); 


ConnectivityManager cm = 
(ConnectivityManager) getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE); 

NetworkInfo activeNetwork = cm.getActiveNetworkInfo(); 
boolean isConnected = activeNetwork != null && 
activeNetwork.isConnectedOrConnecting(); 


if (isConnected) { 


mGoogleApiClient.connect(); 

} 

} 


/** 
* Runs when a GoogleApiClient object successfully connects. 
*/ 
@Override 
public void onConnected(Bundle connectionHint) { 
//do your works here. it is connected now 
} 


@Override 
public void onConnectionSuspended(int cause) { 
    // The connection to Google Play services was lost for some reason. We call connect() to 
    // attempt to re-establish the connection. 


    mGoogleApiClient.connect(); 
} 


@Override 
public void onConnectionFailed(ConnectionResult result) { 
    // Refer to the javadoc for ConnectionResult to see what error codes might be returned in 
    // onConnectionFailed. 


}