我创建了简单的 Phone<->Wear 应用程序。
Wear 应用有一个带有代码的 Activity:
public class MainActivity extends Activity implements GoogleApiClient.ConnectionCallbacks {
private TextView mTextView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final WatchViewStub stub = (WatchViewStub) findViewById(R.id.watch_view_stub);
stub.setOnLayoutInflatedListener(new WatchViewStub.OnLayoutInflatedListener() {
@Override
public void onLayoutInflated(WatchViewStub stub) {
mTextView = (TextView) stub.findViewById(R.id.text);
}
});
getGoogleApiClient(this).connect();
}
private GoogleApiClient getGoogleApiClient(Context context) {
return new GoogleApiClient.Builder(context)
.addApi(Wearable.API)
.addConnectionCallbacks(this)
.build();
}
@Override
public void onConnected(Bundle bundle) {
Toast.makeText(this, "onConnected", Toast.LENGTH_SHORT).show();
}
@Override
public void onConnectionSuspended(int i) {
Toast.makeText(this, "onConnectionSuspended", Toast.LENGTH_SHORT).show();
}}
Phone 应用有一个 WearableListenerService
public class ListenerOfConnection extends WearableListenerService {
private static final String TAG = "DataLayerListenerServic";
protected GoogleApiClient googleApiClient;
@Override
public void onCreate() {
super.onCreate();
Toast.makeText(ListenerOfConnection.this, "onCreate", Toast.LENGTH_SHORT).show();
googleApiClient = new GoogleApiClient.Builder(this)
.addApi(Wearable.API)
.build();
googleApiClient.connect();
}
@Override
public void onPeerConnected(Node peer) {
super.onPeerConnected(peer);
Toast.makeText(ListenerOfConnection.this, "onPeerConnected", Toast.LENGTH_SHORT).show();
LOGD(TAG, "onPeerConnected: " + peer);
}
@Override
public void onPeerDisconnected(Node peer) {
super.onPeerDisconnected(peer);
Toast.makeText(ListenerOfConnection.this, "onPeerDisconnected", Toast.LENGTH_SHORT).show();
LOGD(TAG, "onPeerDisconnected: " + peer);
}
public static void LOGD(final String tag, String message) {
if (Log.isLoggable(tag, Log.DEBUG)) {
Log.d(tag, message);
}
}}
问题是 onPeerConnected
和 onPeerDisconnected
从未被调用,如果我不调用,onCreate
也不会被调用发送任何消息。
如果我发送的消息很少 onCreate
被调用,但是 onPeerConnected
和 onPeerDisconnected
从不...
在向我提问之前:
1.applicationId相同
2. onConnected
在可穿戴 Activity 上调用
最佳答案
据我所知,onPeerConnected
和 onPeerDisconnected
事件仅在您的应用程序正在运行且 蓝牙 之间的连接时被调用 watch 和电话是制造的还是坏的。换句话说,您很少会看到这些事件,而且在您调试 table 上的两台设备时几乎不会看到这些事件。
如果您在应用首次启动并且设备之间的 API 级连接已初始化时尝试做一些工作,则需要使用 Wearable.NodeApi.getConnectedNodes
方法相反。
这些东西的文档不太清楚...
关于android - WearableListenerService - onPeerConnected 从未调用过,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/30176601/