практическая часть диплома мобильных приложений. Диплом_2 глава. 2. Разработка Программного продукта. 1 Концепция приложения
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Приложение 2Листинг программыublic class DemoActivity extends Activity { public static final String EXTRA_MESSAGE = "message"; public static final String PROPERTY_REG_ID = "registration_id"; private static final String PROPERTY_APP_VERSION = "appVersion"; private static final int PLAY_SERVICES_RESOLUTION_REQUEST = 9000; /** * Substitute you own sender ID here. This is the project number you got * from the API Console, as described in "Getting Started." */ String SENDER_ID = "887029561167"; /** * Tag used on log messages. */ static final String TAG = "GCM Demo"; TextView mDisplay; GoogleCloudMessaging gcm; AtomicInteger msgId = new AtomicInteger(); Context context; String regid; private ArrayAdapter @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mDisplay = (TextView) findViewById(R.id.display); context = getApplicationContext(); // Check device for Play Services APK. If check succeeds, proceed with GCM registration. if (checkPlayServices()) { gcm = GoogleCloudMessaging.getInstance(this); regid = getRegistrationId(context); if (regid.isEmpty()) { registerInBackground(); } } else { Log.i(TAG, "No valid Google Play Services APK found."); } List persons = Person.listAll(Person.class); ArrayList // Copied for (int i = persons.size()-1; i >= 0; --i){ notifications.add(persons.get(i).name+" detected on "+persons.get(i).time); } /*String [] notificationArray = { "This ", "is", "a", "Dynamic", "List", "to", "display", "notifications", "for", "the", " Application" }; List Arrays.asList(notificationArray));*/ mNotificationAdapter= new ArrayAdapter this, R.layout.list_item_notifications, R.id.list_item_notifications_textview, notifications ); ListView listView= (ListView) findViewById(R.id.listview_notifications); listView.setAdapter(mNotificationAdapter); } @Override protected void onResume() { super.onResume(); // Check device for Play Services APK. checkPlayServices(); } /** * Check the device to make sure it has the Google Play Services APK. If * it doesn't, display a dialog that allows users to download the APK from * the Google Play Store or enable it in the device's system settings. */ private boolean checkPlayServices() { int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this); if (resultCode != ConnectionResult.SUCCESS) { if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) { GooglePlayServicesUtil.getErrorDialog(resultCode, this, PLAY_SERVICES_RESOLUTION_REQUEST).show(); } else { Log.i(TAG, "This device is not supported."); finish(); } return false; } return true; } /** * Stores the registration ID and the app versionCode in the application's * {@code SharedPreferences}. * * @param context application's context. * @param regId registration ID g */ private void storeRegistrationId(Context context, String regId) { final SharedPreferences prefs = getGcmPreferences(context); int appVersion = getAppVersion(context); Log.i(TAG, "Saving regId on app version " + appVersion); SharedPreferences.Editor editor = prefs.edit(); editor.putString(PROPERTY_REG_ID, regId); editor.putInt(PROPERTY_APP_VERSION, appVersion); editor.commit(); } /** * Gets the current registration ID for application on GCM service, if there is one. * * If result is empty, the app needs to register. * * @return registration ID, or empty string if there is no existing * registration ID. */ private String getRegistrationId(Context context) { final SharedPreferences prefs = getGcmPreferences(context); String registrationId = prefs.getString(PROPERTY_REG_ID, ""); if (registrationId.isEmpty()) { Log.i(TAG, "Registration not found."); return ""; } // Check if app was updated; if so, it must clear the registration ID // since the existing regID is not guaranteed to work with the new // app version. int registeredVersion = prefs.getInt(PROPERTY_APP_VERSION, Integer.MIN_VALUE); int currentVersion = getAppVersion(context); if (registeredVersion != currentVersion) { Log.i(TAG, "App version changed."); return ""; } return registrationId; } /** * Registers the application with GCM servers asynchronously. * * Stores the registration ID and the app versionCode in the application's * shared preferences. */ private void registerInBackground() { new AsyncTask @Override protected String doInBackground(Void... params) { String msg = ""; try { if (gcm == null) { gcm = GoogleCloudMessaging.getInstance(context); } regid = gcm.register(SENDER_ID); msg = "Device registered, registration ID=" + regid; // You should send the registration ID to your server over HTTP, so it // can use GCM/HTTP or CCS to send messages to your app. sendRegistrationIdToBackend(); // For this demo: we don't need to send it because the device will send // upstream messages to a server that echo back the message using the // 'from' address in the message. // Persist the regID - no need to register again. storeRegistrationId(context, regid); } catch (IOException ex) { msg = "Error :" + ex.getMessage(); // If there is an error, don't just keep trying to register. // Require the user to click a button again, or perform // exponential back-off. } return msg; } @Override protected void onPostExecute(String msg) { mDisplay.append(msg + "\n"); } }.execute(null, null, null); } // Send an upstream message. public void onClick(final View view) { /*if (view == findViewById(R.id.send)) { new AsyncTask @Override protected String doInBackground(Void... params) { String msg = ""; try { Bundle data = new Bundle(); data.putString("my_message", "Hello World"); data.putString("my_action", "com.google.android.gcm.demo.app.ECHO_NOW"); String id = Integer.toString(msgId.incrementAndGet()); gcm.send(SENDER_ID + "@gcm.googleapis.com", id, data); msg = "Sent message"; } catch (IOException ex) { msg = "Error :" + ex.getMessage(); } return msg; } @Override protected void onPostExecute(String msg) { Toast toast = new Toast(DemoActivity.this); toast.makeText(DemoActivity.this, msg,Toast.LENGTH_SHORT).show(); } }.execute(null, null, null); } else*/ if (view == findViewById(R.id.clear)) { mDisplay.setText(""); mNotificationAdapter.clear(); Person.deleteAll(Person.class); Toast toast = new Toast(DemoActivity.this); toast.makeText(DemoActivity.this,"Cleared All Items",Toast.LENGTH_SHORT).show(); } } @Override protected void onDestroy() { super.onDestroy(); } /** * @return Application's version code from the {@code PackageManager}. */ private static int getAppVersion(Context context) { try { PackageInfo packageInfo = context.getPackageManager() .getPackageInfo(context.getPackageName(), 0); return packageInfo.versionCode; } catch (NameNotFoundException e) { // should never happen throw new RuntimeException("Could not get package name: " + e); } } /** * @return Application's {@code SharedPreferences}. */ private SharedPreferences getGcmPreferences(Context context) { // This sample app persists the registration ID in shared preferences, but // how you store the regID in your app is up to you. return getSharedPreferences(DemoActivity.class.getSimpleName(), Context.MODE_PRIVATE); } /** * Sends the registration ID to your server over HTTP, so it can use GCM/HTTP or CCS to send * messages to your app. Not needed for this demo since the device sends upstream messages * to a server that echoes back the message using the 'from' address in the message. */ private void sendRegistrationIdToBackend() { /* General Post HttpURLConnection urlConnection = null; try { // Construct the URL for the OpenWeatherMap query String urlStr = "http://videosurv-906.appspot.com/register"; Uri builtUri = Uri.parse(urlStr).buildUpon().build(); URL url = new URL(builtUri.toString()); urlConnection = (HttpURLConnection) url.openConnection(); urlConnection.setRequestMethod("POST"); urlConnection.setRequestProperty("id", regid); urlConnection.connect(); Log.i("RegistrationIdToBackend", "Registered"); }catch (Exception e){ Log.e("RegistrationIdToBackend", "Error ", e); }finally { if (urlConnection != null) { urlConnection.disconnect(); } } */ String urlStr = "http://videosurv-906.appspot.com/register"; HttpClient client = new DefaultHttpClient(); HttpPost post = new HttpPost(urlStr); List urlParameters.add(new BasicNameValuePair("id", regid)); try{ post.setEntity(new UrlEncodedFormEntity(urlParameters)); HttpResponse response = client.execute(post); System.out.println("\nSending 'POST' request to URL : " + urlStr); System.out.println("Post parameters : " + post.getEntity()); System.out.println("Response Code : " + response.getStatusLine().getStatusCode()); }catch (Exception e){ Log.e("RegistrationIdToBackend","Error",e); } } } public class GcmBroadcastReceiver extends WakefulBroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { // Explicitly specify that GcmIntentService will handle the intent. ComponentName comp = new ComponentName(context.getPackageName(), GcmIntentService.class.getName()); // Start the service, keeping the device awake while it is launching. startWakefulService(context, (intent.setComponent(comp))); setResultCode(Activity.RESULT_OK); } } public class GcmIntentService extends IntentService { public static final int NOTIFICATION_ID = 1; private NotificationManager mNotificationManager; NotificationCompat.Builder builder; public GcmIntentService() { super("GcmIntentService"); } public static final String TAG = "GCM Video Surveillance"; @Override protected void onHandleIntent(Intent intent) { Bundle extras = intent.getExtras(); GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this); // The getMessageType() intent parameter must be the intent you received // in your BroadcastReceiver. String messageType = gcm.getMessageType(intent); if (!extras.isEmpty()) { // has effect of unparcelling Bundle /* * Filter messages based on message type. Since it is likely that GCM will be * extended in the future with new message types, just ignore any message types you're * not interested in, or that you don't recognize. */ if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) { sendNotification("Send error: " + extras.toString()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) { sendNotification("Deleted messages on server: " + extras.toString()); // If it's a regular GCM message, do some work. } else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) { // This loop represents the service doing some work. /* for (int i = 0; i < 5; i++) { Log.i(TAG, "Working... " + (i + 1) + "/5 @ " + SystemClock.elapsedRealtime()); try { Thread.sleep(5000); } catch (InterruptedException e) { } }*/ Log.i(TAG, "Completed work @ " + SystemClock.elapsedRealtime()); // Post notification of received message. sendNotification("Received: " + extras.getString("name")); Log.i(TAG, "Received name : "+ extras.getString("name")); // Adding time to the Notification String time; Calendar c= Calendar.getInstance(); SimpleDateFormat shortenedDateFormat = new SimpleDateFormat("EEEE HH:mm:ss dd-MM-yyyy"); time= shortenedDateFormat.format(c.getTime()); Person person = new Person(extras.getString("name"), time); person.save(); Log.i(TAG, "Received: " + extras.toString()); } } // Release the wake lock provided by the WakefulBroadcastReceiver. GcmBroadcastReceiver.completeWakefulIntent(intent); } // Put the message into a notification and post it. // This is just one simple example of what you might choose to do with // a GCM message. private void sendNotification(String msg) { mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, DemoActivity.class), 0); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_stat_gcm) .setContentTitle("GCM Notification") .setStyle(new NotificationCompat.BigTextStyle() .bigText(msg)) .setContentText(msg); mBuilder.setContentIntent(contentIntent); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); } } |