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/******************************************************************************* * Copyright (c) 2014 IBM Corp./*from ww w . j a va 2s.c om*/ * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * and Eclipse Distribution License v1.0 which accompany this distribution. * * The Eclipse Public License is available at * http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.php. * * Contributors: * Mike Robertson - initial contribution *******************************************************************************/ package com.ibm.demo.IoTStarter.fragments; import android.app.AlertDialog; import android.content.*; import android.os.Bundle; import android.text.Editable; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import com.ibm.demo.IoTStarter.IoTStarterApplication; import com.ibm.demo.IoTStarter.R; import com.ibm.demo.IoTStarter.activities.MainActivity; import com.ibm.demo.IoTStarter.utils.Constants; import com.ibm.demo.IoTStarter.utils.MessageFactory; import com.ibm.demo.IoTStarter.utils.MqttHandler; import com.ibm.demo.IoTStarter.utils.TopicFactory; /** * The IoT Fragment is the main fragment of the application that will be displayed while the device is connected * to IoT. From this fragment, users can send text event messages. Users can also see the number * of messages the device has published and received while connected. */ public class IoTFragment extends IoTStarterFragment { private final static String TAG = IoTFragment.class.getName(); /************************************************************************** * Fragment functions for establishing the fragment **************************************************************************/ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.iot, container, false); } /** * Called when the fragment is resumed. */ @Override public void onResume() { Log.d(TAG, ".onResume() entered"); super.onResume(); app = (IoTStarterApplication) getActivity().getApplication(); app.setCurrentRunningActivity(TAG); if (broadcastReceiver == null) { Log.d(TAG, ".onResume() - Registering iotBroadcastReceiver"); broadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { Log.d(TAG, ".onReceive() - Received intent for iotBroadcastReceiver"); processIntent(intent); } }; } getActivity().getApplicationContext().registerReceiver(broadcastReceiver, new IntentFilter(Constants.APP_ID + Constants.INTENT_IOT)); // initialise initializeIoTActivity(); } /** * Called when the fragment is destroyed. */ @Override public void onDestroy() { Log.d(TAG, ".onDestroy() entered"); try { getActivity().getApplicationContext().unregisterReceiver(broadcastReceiver); } catch (IllegalArgumentException iae) { // Do nothing } super.onDestroy(); } /** * Initializing onscreen elements and shared properties */ private void initializeIoTActivity() { Log.d(TAG, ".initializeIoTFragment() entered"); context = getActivity().getApplicationContext(); updateViewStrings(); // setup button listeners Button button = (Button) getActivity().findViewById(R.id.sendText); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { handleSendText(); } }); } /** * Update strings in the fragment based on IoTStarterApplication values. */ @Override protected void updateViewStrings() { Log.d(TAG, ".updateViewStrings() entered"); // DeviceId should never be null at this point. if (app.getDeviceId() != null) { ((TextView) getActivity().findViewById(R.id.deviceIDIoT)).setText(app.getDeviceId()); } else { ((TextView) getActivity().findViewById(R.id.deviceIDIoT)).setText("-"); } // Update publish count view. processPublishIntent(); // Update receive count view. processReceiveIntent(); int unreadCount = app.getUnreadCount(); ((MainActivity) getActivity()).updateBadge(getActivity().getActionBar().getTabAt(2), unreadCount); } /************************************************************************** * Functions to handle button presses **************************************************************************/ /** * Handle pressing of the send text button. Prompt the user to enter text * to send. */ private void handleSendText() { Log.d(TAG, ".handleSendText() entered"); if (app.getConnectionType() != Constants.ConnectionType.QUICKSTART) { final EditText input = new EditText(context); new AlertDialog.Builder(getActivity()) .setTitle(getResources().getString(R.string.send_text_title)) .setMessage(getResources().getString(R.string.send_text_text)) .setView(input) .setPositiveButton(getResources().getString(R.string.ok), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { Editable value = input.getText(); String messageData = MessageFactory.getTextMessage(value.toString()); MqttHandler mqtt = MqttHandler.getInstance(context); mqtt.publish(TopicFactory.getEventTopic(Constants.TEXT_EVENT), messageData, false, 0); } }).setNegativeButton(getResources().getString(R.string.cancel), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { // Do nothing. } }).show(); } else { new AlertDialog.Builder(getActivity()) .setTitle(getResources().getString(R.string.send_text_title)) .setMessage(getResources().getString(R.string.send_text_invalid)) .setPositiveButton(getResources().getString(R.string.ok), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } }).show(); } } /************************************************************************** * Functions to process intent broadcasts from other classes **************************************************************************/ /** * Process the incoming intent broadcast. * @param intent The intent which was received by the fragment. */ private void processIntent(Intent intent) { Log.d(TAG, ".processIntent() entered"); // No matter the intent, update log button based on app.unreadCount. updateViewStrings(); String data = intent.getStringExtra(Constants.INTENT_DATA); assert data != null; if (data.equals(Constants.INTENT_DATA_PUBLISHED)) { processPublishIntent(); } else if (data.equals(Constants.INTENT_DATA_RECEIVED)) { processReceiveIntent(); } else if (data.equals(Constants.ACCEL_EVENT)) { processAccelEvent(); } else if (data.equals(Constants.COLOR_EVENT)) { Log.d(TAG, "Updating background color"); getView().setBackgroundColor(app.getColor()); } else if (data.equals(Constants.ALERT_EVENT)) { String message = intent.getStringExtra(Constants.INTENT_DATA_MESSAGE); new AlertDialog.Builder(getActivity()) .setTitle(getResources().getString(R.string.alert_dialog_title)) .setMessage(message) .setPositiveButton(getResources().getString(R.string.ok), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } }).show(); } } /** * Intent data contained INTENT_DATA_PUBLISH * Update the published messages view based on app.getPublishCount() */ private void processPublishIntent() { Log.v(TAG, ".processPublishIntent() entered"); String publishedString = this.getString(R.string.messages_published); publishedString = publishedString.replace("0",Integer.toString(app.getPublishCount())); ((TextView) getActivity().findViewById(R.id.messagesPublishedView)).setText(publishedString); } /** * Intent data contained INTENT_DATA_RECEIVE * Update the received messages view based on app.getReceiveCount(); */ private void processReceiveIntent() { Log.v(TAG, ".processReceiveIntent() entered"); String receivedString = this.getString(R.string.messages_received); receivedString = receivedString.replace("0",Integer.toString(app.getReceiveCount())); ((TextView) getActivity().findViewById(R.id.messagesReceivedView)).setText(receivedString); } /** * Update acceleration view strings */ private void processAccelEvent() { Log.v(TAG, ".processAccelEvent()"); float[] accelData = app.getAccelData(); ((TextView) getActivity().findViewById(R.id.accelX)).setText("x: " + accelData[0]); ((TextView) getActivity().findViewById(R.id.accelY)).setText("y: " + accelData[1]); ((TextView) getActivity().findViewById(R.id.accelZ)).setText("z: " + accelData[2]); } }