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      1 package com.example.android.wearable.watchface.provider;
      2 
      3 import android.app.IntentService;
      4 import android.content.ComponentName;
      5 import android.content.Intent;
      6 import android.support.wearable.complications.ProviderUpdateRequester;
      7 import android.util.Log;
      8 
      9 /**
     10  * Simple {@link IntentService} subclass for asynchronously requesting an update for the random
     11  * number complication (triggered via TapAction on complication).
     12  */
     13 public class UpdateComplicationDataService extends IntentService {
     14 
     15     private static final String TAG = "UpdateCompService";
     16 
     17     public static final String ACTION_UPDATE_COMPLICATION =
     18             "com.example.android.wearable.watchface.provider.action.UPDATE_COMPLICATION";
     19 
     20     public static final String EXTRA_COMPLICATION_ID =
     21             "com.example.android.wearable.watchface.provider.action.COMPLICATION_ID";
     22 
     23     public UpdateComplicationDataService() {
     24         super("UpdateComplicationDataService");
     25     }
     26 
     27     @Override
     28     protected void onHandleIntent(Intent intent) {
     29 
     30         if (intent != null) {
     31 
     32             final String action = intent.getAction();
     33 
     34             if (ACTION_UPDATE_COMPLICATION.equals(action)) {
     35 
     36                 int complicationId = intent.getIntExtra(EXTRA_COMPLICATION_ID, -1);
     37                 handleActionUpdateComplicationData(complicationId);
     38             }
     39         }
     40     }
     41 
     42     /**
     43      * Handle action UpdateComplicationData in the provided background thread with the provided
     44      * parameters.
     45      */
     46     private void handleActionUpdateComplicationData(int complicationId) {
     47 
     48         Log.d(TAG, "Complication id to update via service: " + complicationId);
     49 
     50         ComponentName componentName =
     51                 new ComponentName(getApplicationContext(), RandomNumberProviderService.class);
     52 
     53         ProviderUpdateRequester providerUpdateRequester =
     54                 new ProviderUpdateRequester(getApplicationContext(), componentName);
     55 
     56         if (complicationId > 0) {
     57             // This method only updates the specific complication tapped on the watch, if you
     58             // wanted to update all active complications associated with your data, you would
     59             // call providerUpdateRequester.requestUpdateAll().
     60             providerUpdateRequester.requestUpdate(complicationId);
     61         }
     62     }
     63 }