samples/wearable/DelayedConfirmation/Wearable/src/main/java/com/example/android/wearable/delayedconfirmation/WearableMessageListenerService.java

package com.example.android.wearable.delayedconfirmation;

import android.content.Intent;

import com.google.android.gms.wearable.MessageEvent;
import com.google.android.gms.wearable.WearableListenerService;

/**
 * Listens for a message telling it to start the Wearable MainActivity.
 */
public class WearableMessageListenerService extends WearableListenerService {
    private static final String START_ACTIVITY_PATH = "/start-activity";

    @Override
    public void onMessageReceived(MessageEvent event) {
        if (event.getPath().equals(START_ACTIVITY_PATH)) {
            Intent startIntent = new Intent(this, MainActivity.class);
            startIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            startActivity(startIntent);
        }
    }
}