是否有可能有一个活动中的多个GoogleApiClients?
问题描述:
我试图使一个企业搜索应用程序,是位置感知。要做到这一点我使用谷歌Places API的,特别是Places.GEO_DATA_API和LocationServices.API。这个想法是,用户可以使用他们当前的位置或使用自动完成搜索来输入地址。我的问题是,我想打电话时onConnected()
,因为我不断收到此错误两个API是混错:是否有可能有一个活动中的多个GoogleApiClients?
E/AndroidRuntime: FATAL EXCEPTION: main
Process: edu.depaul.csc472.coffeeshoplocator, PID: 9420
java.lang.IllegalStateException: GoogleApiClient is not connected yet.
at com.google.android.gms.internal.zzrb.zzb(Unknown Source)
at com.google.android.gms.internal.zzrf.zzb(Unknown Source)
at com.google.android.gms.internal.zzrd.zzb(Unknown Source)
at com.google.android.gms.location.internal.zzd.requestLocationUpdates(Unknown Source)
at edu.depaul.csc472.coffeeshoplocator.MainActivity.startLocationUpdates(MainActivity.java:233)
at edu.depaul.csc472.coffeeshoplocator.MainActivity.getLocation(MainActivity.java:241)
at edu.depaul.csc472.coffeeshoplocator.MainActivity.onConnected(MainActivity.java:263)
at com.google.android.gms.common.internal.zzk.zzp(Unknown Source)
at com.google.android.gms.internal.zzrd.zzn(Unknown Source)
at com.google.android.gms.internal.zzrb.zzass(Unknown Source)
at com.google.android.gms.internal.zzrb.onConnected(Unknown Source)
at com.google.android.gms.internal.zzrf.onConnected(Unknown Source)
at com.google.android.gms.internal.zzqr.onConnected(Unknown Source)
at com.google.android.gms.common.internal.zzj$1.onConnected(Unknown Source)
at com.google.android.gms.common.internal.zze$zzj.zzavj(Unknown Source)
at com.google.android.gms.common.internal.zze$zza.zzc(Unknown Source)
at com.google.android.gms.common.internal.zze$zza.zzv(Unknown Source)
at com.google.android.gms.common.internal.zze$zze.zzavl(Unknown Source)
at com.google.android.gms.common.internal.zze$zzd.handleMessage(Unknown Source)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
它只是有时会发生。除了此次崩溃,我已成功运行该程序,没有任何意外的行为。
建立API中的代码如下:
protected synchronized void buildGoogleApiClient(){
mGoogleApiLocation = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build();
mGoogleApiAutoComplete = new GoogleApiClient.Builder(this)
.addApi(Places.GEO_DATA_API)
.enableAutoManage(this,GOOGLE_API_CLIENT_ID,this)
.addConnectionCallbacks(this)
.build();
}
这里是我的onConnected()
方法,要求允许从用户访问精确的位置,然后尝试获取用户的位置:
@Override
public void onConnected(Bundle bundle) {
requestForSpecificPermission();
getLocation();
placeArrayAdapter.setGoogleApiClient(mGoogleApiAutoComplete);
}
...和我getLocation()
方法:
private void getLocation(){
try {
location = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiLocation);
if (location == null) {
LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiLocation, locationRequest, this);
}
else{
handleNewLocation(location);
}
}catch (SecurityException e){
Toast.makeText(getApplicationContext(),
"You don't have permission!", Toast.LENGTH_LONG)
.show();
}
}
我的好奇心是:为什么我收到这个错误,如果从我的理解,你必须要连接到呼叫onConnected()
和两个:为什么这只是发生了一些时间。是具有允许在首位多个客户端,或者如果不是你怎么去在同一个活动是利用两种不同的技术(API)的?
答
不要在您的Activity
/Fragment
做implements ConnectionCallbacks
和尝试以下操作:
GoogleApiClient.ConnectionCallbacks mGoogleApiLocationCallback = new GoogleApiClient.ConnectionCallbacks() {
@Override
public void onConnected(@Nullable Bundle bundle) {
}
@Override
public void onConnectionSuspended(int i) {
}
};
GoogleApiClient.ConnectionCallbacks mGoogleApiAutoCompleteCallback = new GoogleApiClient.ConnectionCallbacks() {
@Override
public void onConnected(@Nullable Bundle bundle) {
}
@Override
public void onConnectionSuspended(int i) {
}
};
,然后改变你的方法是这样的:
protected synchronized void buildGoogleApiClient(){
mGoogleApiLocation = new GoogleApiClient.Builder(context)
.addConnectionCallbacks(mGoogleApiLocationCallback)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build();
mGoogleApiAutoComplete = new GoogleApiClient.Builder(context)
.addConnectionCallbacks(mGoogleApiAutoCompleteCallback)
.addApi(Places.GEO_DATA_API)
.enableAutoManage(this,GOOGLE_API_CLIENT_ID,this)
.build();
}
只要确保从您的Activity
删除implements GoogleApiClient.ConnectionCallbacks
/Fragment
我没疯,虽然权......这可能是其中的bug了。之前两个API之间存在冲突,但您可以拥有多个API。它不再崩溃,但就像我说的那样,它偶尔会这样做。 – mmera
这将是一个问题,如果两个不同的客户端尝试使用相同的回调。所以每个人都应该完全独立的客户端来完成这项工作。偶尔还是很奇怪 –