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我正在尝试为android手机和穿戴实施基本的天气应用。应用程序从Web API获取数据，然后将其显示在手机上。现在，如果应用程序在Wear上打开，然后在电话上打开它，它将同时对这两个天气进行同步。如果你改变手机的天气，它也会随着穿着而变化。我希望穿戴应用程序能够在打开穿戴应用程序时获得手机的天气，并且我试图通过让穿着者通过消息“ping”手机来实现这一点，然后手机通过数据地图发送信息。这可以工作，除了磨损不能从手机收到数据映射，尽管手机说它已经发送了数据映射。当您打开穿戴应用时，请与Android手机同步Android Wear
穿主要活动：
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_data_map);
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);
sendMessage("Ping");
Log.i("OnLayoutInflated","LAYOUT INFLATED");
}
});
setAmbientEnabled();
// Register the local broadcast receiver
IntentFilter messageFilter = new IntentFilter(Intent.ACTION_SEND);
MessageReceiver messageReceiver = new MessageReceiver();
LocalBroadcastManager.getInstance(this).registerReceiver(messageReceiver, messageFilter);
}
@Override
protected void onPause() {
super.onPause();
if (wearCommsManager.isConnected()) {
wearCommsManager.disconnectClient();
}
}
@Override
protected void onResume() {
super.onResume();
if (wearCommsManager == null) {
wearCommsManager = new WearCommsManager(this);
}
if (messageSender == null) {
messageSender = new WearMessageSender(wearCommsManager);
}
verifyCommsConnection();
}
protected void sendMessage(final String message) {
AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {;
messageSender.processRequest(message);
return null;
}
};
task.execute();
}
private void verifyCommsConnection() {
new WearCommsManager(this).verifyCommsConnection(new WearCommsManager.CommsCallback() {
@Override
public void onSuccess() {
}
@Override
public void onFailure() {
Log.e("ERROR","CONNECTION FAILED");
}
});
}
public class MessageReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Bundle data = intent.getBundleExtra("datamap");
// Display received data in UI
String display =
data.getString("city") + "\n" +
data.getString("temperature") + "\n" +
data.getString("wind_speed") + "\n" +
data.getString("cloud_percent")+"\n"+
data.getString("lastupdate");
mTextView.setText(display);
}
}
磨损监听器：
public class ListenerService extends WearableListenerService{
private static final String WEARABLE_DATA_PATH = "/wearable_data";
@Override
public void onCreate() {
super.onCreate();
}
@Override
public void onDataChanged(DataEventBuffer dataEvents) {
DataMap dataMap;
for (DataEvent event : dataEvents) {
Log.v("myTag", "DataMap received on watch: " + DataMapItem.fromDataItem(event.getDataItem()).getDataMap());
// Check the data type
if (event.getType() == DataEvent.TYPE_CHANGED) {
// Check the data path
String path = event.getDataItem().getUri().getPath();
if (path.equals(WEARABLE_DATA_PATH)) {}
dataMap = DataMapItem.fromDataItem(event.getDataItem()).getDataMap();
// Broadcast DataMap contents to wearable activity for display
// The content has the golf hole number and distances to the front,
// middle and back pin placements.
Intent messageIntent = new Intent();
messageIntent.setAction(Intent.ACTION_SEND);
messageIntent.putExtra("datamap", dataMap.toBundle());
LocalBroadcastManager.getInstance(this).sendBroadcast(messageIntent);
}
}
}
}
电话主要活动：
public class DataMapActivity extends AppCompatActivity implements
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener{
private TextView cityName;
private TextView temp;
private ImageView iconView;
private TextView description;
private TextView humidity;
private TextView pressure;
private TextView wind;
private TextView sunrise;
private TextView sunset;
private TextView updated;
Weather weather = new Weather();
GoogleApiClient googleClient;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_data_map);
cityName = (TextView) findViewById(R.id.cityText);
iconView = (ImageView) findViewById(R.id.thumbnailIcon);
temp = (TextView) findViewById(R.id.tempText);
description = (TextView) findViewById(R.id.CloudText);
humidity = (TextView) findViewById(R.id.HumidText);
pressure = (TextView) findViewById(R.id.PressureText);
wind = (TextView) findViewById(R.id.WindText);
sunrise = (TextView) findViewById(R.id.RiseText);
sunset = (TextView) findViewById(R.id.SetText);
updated = (TextView) findViewById(R.id.UpdateText);
CityPreference cityPreference=new CityPreference(DataMapActivity.this);
System.out.println(cityPreference.getCity());
renderWeatherData(cityPreference.getCity());
IntentFilter messageFilter = new IntentFilter(Intent.ACTION_SEND);
MessageReceiver messageReceiver = new MessageReceiver();
LocalBroadcastManager.getInstance(this).registerReceiver(messageReceiver, messageFilter);
// Build a new GoogleApiClient for the the Wearable API
googleClient = new GoogleApiClient.Builder(this)
.addApi(Wearable.API)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.build();
}
public void renderWeatherData(String city) {
WeatherTask weatherTask = new WeatherTask();
weatherTask.execute(new String[]{city + "&units=metric"});
}
private class WeatherTask extends AsyncTask<String, Void, Weather> {
@Override
protected Weather doInBackground(String... params) {
String data = ((new WeatherHttpClient()).getWeatherData(params[0]));
System.out.println(data);
weather = JSONParser.getWeather(data);
return weather;
}
@Override
protected void onPostExecute(Weather weather) {
super.onPostExecute(weather);
if(weather.currentCondition.getIcon() != null){
new DownloadImageAsyncTask().execute(weather.currentCondition.getIcon());
}
cityName.setText(weather.place.getCity() + "," + weather.place.getCountry());
temp.setText("" + (int)weather.currentCondition.getTemperature() + "°C");
wind.setText("Wind Speed: " + weather.wind.getSpeed()+"m/s" + " Degree: " + weather.wind.getDegree());
description.setText("Clouds: " + weather.clouds.getPrecipitation() + "%, " + weather.currentCondition.getDescription());
pressure.setText("Pressure: " + weather.currentCondition.getPressure()+"hpa");
humidity.setText("Humidity: " + weather.currentCondition.getHumidity()+"%");
Date mydate = new Date(weather.place.getSunrise() * 1000);
SimpleDateFormat dateformat = new SimpleDateFormat("HH:mm");
dateformat.setTimeZone(TimeZone.getTimeZone("GMT+3"));
String date = dateformat.format(mydate);
sunrise.setText("Sunrise: " + date);
mydate = new Date(weather.place.getSunset() * 1000);
date = dateformat.format(mydate);
sunset.setText("Sunset: " + date);
mydate = new Date(weather.place.getLastupdate() * 1000);
dateformat = new SimpleDateFormat("dd.MM.yyyy, HH:mm, z");
dateformat.setTimeZone(TimeZone.getDefault());
date = dateformat.format(mydate);
updated.setText("Last Updated: " + date);
sendWear();
//This part synchronizes perfectly with wear
}
}
private void sendWear(){
String WEARABLE_DATA_PATH = "/wear_data";
// Create a DataMap object and send it to the data layer
DataMap dataMap = new DataMap();
dataMap.putString("lastupdate", updated.getText().toString());
dataMap.putString("city", cityName.getText().toString());
dataMap.putString("temperature", temp.getText().toString());
dataMap.putString("wind_speed", wind.getText().toString());
dataMap.putString("cloud_percent", description.getText().toString());
//Requires a new thread to avoid blocking the UI
new SendToDataLayerThread(WEARABLE_DATA_PATH, dataMap).start();
}
public class MessageReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String s= intent.getStringExtra("Pinger");
if(s!=null) {
new SendToWearAsyncTask().execute();
}
}
}
private class SendToWearAsyncTask extends AsyncTask<Void,Void,Void>{
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
sendWear();
//this part wear doesn't receive the datamap
}
@Override
protected Void doInBackground(Void... params) {
return null;
}
}
毫秒中的当前时间解决了我的问题。我想这与穿戴监听数据地图变化的事实有关。感谢您的回答！ – Nerozx