小结:我正在尝试使用putdatarequest和googlepiclient将数据从android手表发送到android手机。日志似乎显示数据已成功发送,但OnDataChanged从未触发。我正在使用android studio 1.0.2。我没有使用任何仿真器,而是使用我自己的android-wear手表——我已经通过android-wear设备和手机上的android-wear应用程序配对并启用了调试功能。在手机和wear的androidmanifest.xml上,我都包含了com.google.android.gms.version。
在android手机(android的4.4.4版本)上,我使用一个侦听器服务,该服务通过androidmanifest.xml绑定并通过手机上的主活动启动。从日志中,我可以确认该服务已在电话上成功创建,但从未接收到任何数据(确切地说,ondatachanged从不触发)。

    <!-- Phone manifest, registers the listener -->
    <service android:name=".DataLayerListenerService" >
        <intent-filter>
            <action android:name="com.google.android.gms.wearable.BIND_LISTENER" />
        </intent-filter>
    </service>

以下是在电话上运行的侦听器服务:
public class DataLayerListenerService extends WearableListenerService {
    private static final String TAG = DataLayerListenerService.class.getName();
    private GoogleApiClient mGoogleApiClient;

    private static final String WEARABLE_DATA_PATH = "/audio";

    @Override
    public void onCreate() {
        // I can see this fires properly on the Android mobile phone
        Logger.d(TAG, "onCreate");
    }

    @Override
    public void onDataChanged(DataEventBuffer dataEvents) {
        // This never fires on the Android mobile phone, even though Wear says data was sent successfully
        Logger.d(TAG, "on change");
    }
}

在wear设备上,我有一个创建google api客户端的主要活动。我使用一个ui按钮从音频(代码未显示)生成输入,我知道由于日志记录,音频工作正常。然后我尝试将这些数据从磨损设备发送到手机。在日志中,我看到“结果可用。status:status{statuscode=success,resolution=null}(我使用结果回调来跟踪)。
public class MainActivity extends Activity implements
    GoogleApiClient.ConnectionCallbacks,
    GoogleApiClient.OnConnectionFailedListener {
    private static final String TAG = MainActivity.class.getName();
    private static final int SPEECH_REQUEST_CODE = 1;

    private static final int RECORDER_SAMPLERATE = 44100;
    private static final int RECORDER_CHANNELS = AudioFormat.CHANNEL_IN_STEREO;
    private static final int RECORDER_AUDIO_ENCODING = AudioFormat.ENCODING_PCM_16BIT;

    private TextView mTextView;
    private AudioRecord recorder;
    private int bufferSize = 0;
    private Thread recordingThread = null;
    private GoogleApiClient mGoogleApiClient;
    private volatile boolean isRecording;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        Log.d(TAG, "Creating MainActivity");
        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);
            }
        });

        mGoogleApiClient = new GoogleApiClient.Builder(this)
                .addApi(Wearable.API)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .build();
    }

    // Connect to the data layer when the Activity starts
    @Override
    protected void onStart() {
        super.onStart();
        mGoogleApiClient.connect();
    }

    protected void onResume() {
        if (null != mGoogleApiClient && !mGoogleApiClient.isConnected()) {
            mGoogleApiClient.connect();
        }
        super.onResume();
    }

    @Override
    protected void onStop() {
        if (null != mGoogleApiClient && mGoogleApiClient.isConnected()) {
            mGoogleApiClient.disconnect();
        }
        super.onStop();
    }

    // Placeholders for required connection callbacks
    @Override
    public void onConnectionSuspended(int cause) {
        Log.d(TAG, "Connection suspended");
    }

    @Override
    public void onConnectionFailed(ConnectionResult connectionResult) {
        Log.d(TAG, "Connection failed");
    }

    @Override
    public void onConnected(Bundle connectionHint) {
        Log.d(TAG, "Connected successfully");
    }

    // This is invoked from the UI, via a helper method not shown. Logs show the method is invoked fine.
    private void processRawAudioData() {
        byte data[] = new byte[bufferSize];
        int read = 0;
        while(isRecording) {
            read = recorder.read(data, 0, bufferSize);

            if(AudioRecord.ERROR_INVALID_OPERATION != read) {
                Log.d(TAG, "Successfully read " + data.length + " bytes of audio");
                Log.d(TAG, "Initial ten bytes: " + data[0] + data[1] + data[2] + data[3]
                    + data[4] + data[5] + data[6] + data[7] + data[8] + data[9] + data[10]);

                Asset myAsset = Asset.createFromBytes(data);
                PutDataRequest request = PutDataRequest.create("/audio");
                // might need to change time each time for other end to see change.
                request.putAsset("profileImage", myAsset);
                PendingResult<DataApi.DataItemResult> result =
                    Wearable.DataApi.putDataItem(mGoogleApiClient, request);
                result.setResultCallback(new ResultCallback<DataApi.DataItemResult>() {
                    @Override
                    public void onResult(DataApi.DataItemResult dataItemResult) {
                     // LOGS SHOW STATUS "MainActivity﹕ result available. Status: Status{statusCode=SUCCESS, resolution=null}"
                     Log.d(TAG, "result available. Status: " + dataItemResult.getStatus());
                    }
                });
            }
        }
    }
}

最佳答案

为了让WearableListenerService触发'onDataChanged'事件,applicationId's和可穿戴应用程序中的main app必须匹配(build.gradle files)。
此外,您不能发送静态数据,数据必须更改。这意味着putdatamaprequest对象中的数据必须更改。

07-28 01:58
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