我有一个可穿戴设备,想要连接到GoogleApiClient,但回调函数从未被调用(onConnected、onConnectionSuspended或onConnectionFailed)。其他所有功能都正常工作,DataLayerListenerService能够接收来自手持设备的信息,当连接时也会调用onPeerConnected。我已经在模拟器和三星Gear Live设备上尝试过。以下是我在尝试连接到GoogleApiClient的Activity中的代码。
public class WearReaderActivity extends Activity implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {
public static final String CONTENT_EXTRA = "contentExtra";
private String LOG_TAG = WearReaderActivity.class.getSimpleName();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.reader);
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addApi(Wearable.API)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.build();
}
private GoogleApiClient mGoogleApiClient;
@Override
protected void onStart() {
super.onStart();
Log.e("Connected?", String.valueOf(mGoogleApiClient.isConnected()));
//new Thread(new GetContent()).start();
}
@Override
public void onConnected(Bundle bundle) {
Log.d("Connected", "Connected");
new Thread(new GetContent()).start();
}
@Override
public void onConnectionSuspended(int i) {
Log.d("Connection suspened", "Connection suspended");
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
Log.d("Connection suspened", "Connection suspended");
}
...
}
不确定它是否有帮助,但这是我可穿戴应用程序的清单
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="my.packagename">
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@android:style/Theme.DeviceDefault" >
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<activity
android:name=".WearReaderActivity"
android:label="Reading" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<service
android:name=".DataLayerListenerService" >
<intent-filter>
<action android:name="com.google.android.gms.wearable.BIND_LISTENER" />
</intent-filter>
</service>
</application>
有任何想法吗?
编辑:已将以下内容添加到可穿戴设备清单中,但仍无法正常工作。
<meta-data android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />