1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.wearable.elizachat; 18 19 import android.app.Activity; 20 import android.content.BroadcastReceiver; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.IntentFilter; 24 import android.os.Bundle; 25 import android.support.v4.content.LocalBroadcastManager; 26 import android.text.TextUtils; 27 import android.view.Menu; 28 import android.view.MenuItem; 29 import android.widget.TextView; 30 31 public class MainActivity extends Activity { 32 33 @SuppressWarnings("unused") 34 private static final String TAG = "MainActivity"; 35 36 public static final String EXTRA_MESSAGE = "message"; 37 38 public static final String ACTION_NOTIFY = "com.example.android.wearable.elizachat.NOTIFY"; 39 40 public static final String ACTION_GET_CONVERSATION 41 = "com.example.android.wearable.elizachat.CONVERSATION"; 42 43 private BroadcastReceiver mReceiver; 44 45 private TextView mHistoryView; 46 47 @Override onCreate(Bundle saved)48 protected void onCreate(Bundle saved) { 49 super.onCreate(saved); 50 setContentView(R.layout.main); 51 mReceiver = new BroadcastReceiver() { 52 @Override 53 public void onReceive(Context context, Intent intent) { 54 processMessage(intent); 55 } 56 }; 57 mHistoryView = (TextView) findViewById(R.id.history); 58 startResponderService(); 59 } 60 startResponderService()61 private void startResponderService() { 62 Intent serviceIntent = new Intent(ResponderService.ACTION_INCOMING); 63 startService(serviceIntent); 64 } 65 66 @Override onResume()67 protected void onResume() { 68 super.onResume(); 69 LocalBroadcastManager.getInstance(this).registerReceiver(mReceiver, 70 new IntentFilter(ACTION_NOTIFY)); 71 mHistoryView.setText(""); 72 Intent serviceIntent = new Intent(ACTION_GET_CONVERSATION); 73 startService(serviceIntent); 74 75 } 76 77 @Override onPause()78 protected void onPause() { 79 LocalBroadcastManager.getInstance(this).unregisterReceiver(mReceiver); 80 super.onPause(); 81 } 82 processMessage(Intent intent)83 private void processMessage(Intent intent) { 84 String text = intent.getStringExtra(EXTRA_MESSAGE); 85 if (!TextUtils.isEmpty(text)) { 86 mHistoryView.append("\n" + text); 87 } 88 } 89 90 @Override onCreateOptionsMenu(Menu menu)91 public boolean onCreateOptionsMenu(Menu menu) { 92 super.onCreateOptionsMenu(menu); 93 getMenuInflater().inflate(R.menu.main, menu); 94 return true; 95 } 96 97 @Override onOptionsItemSelected(MenuItem item)98 public boolean onOptionsItemSelected(MenuItem item) { 99 switch (item.getItemId()) { 100 case R.id.action_stop_service: 101 stopService(new Intent(this, ResponderService.class)); 102 finish(); 103 break; 104 } 105 return true; 106 } 107 } 108