| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.example.android.messagingservice; |
| |
| import android.app.Fragment; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.ServiceConnection; |
| import android.content.SharedPreferences; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.os.Messenger; |
| import android.os.RemoteException; |
| import android.text.method.ScrollingMovementMethod; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.Button; |
| import android.widget.TextView; |
| |
| /** |
| * The main fragment that shows the buttons and the text view containing the log. |
| */ |
| public class MessagingFragment extends Fragment implements View.OnClickListener { |
| |
| private static final String TAG = MessagingFragment.class.getSimpleName(); |
| |
| private Button mSendSingleConversation; |
| private Button mSendTwoConversations; |
| private Button mSendConversationWithThreeMessages; |
| private TextView mDataPortView; |
| private Button mClearLogButton; |
| |
| private Messenger mService; |
| private boolean mBound; |
| |
| private ServiceConnection mConnection = new ServiceConnection() { |
| @Override |
| public void onServiceConnected(ComponentName componentName, IBinder service) { |
| mService = new Messenger(service); |
| mBound = true; |
| setButtonsState(true); |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName componentName) { |
| mService = null; |
| mBound = false; |
| setButtonsState(false); |
| } |
| }; |
| |
| private SharedPreferences.OnSharedPreferenceChangeListener listener = |
| new SharedPreferences.OnSharedPreferenceChangeListener() { |
| @Override |
| public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { |
| if (MessageLogger.LOG_KEY.equals(key)) { |
| mDataPortView.setText(MessageLogger.getAllMessages(getActivity())); |
| } |
| } |
| }; |
| |
| public MessagingFragment() { |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| View rootView = inflater.inflate(R.layout.fragment_message_me, container, false); |
| |
| mSendSingleConversation = (Button) rootView.findViewById(R.id.send_1_conversation); |
| mSendSingleConversation.setOnClickListener(this); |
| |
| mSendTwoConversations = (Button) rootView.findViewById(R.id.send_2_conversations); |
| mSendTwoConversations.setOnClickListener(this); |
| |
| mSendConversationWithThreeMessages = |
| (Button) rootView.findViewById(R.id.send_1_conversation_3_messages); |
| mSendConversationWithThreeMessages.setOnClickListener(this); |
| |
| mDataPortView = (TextView) rootView.findViewById(R.id.data_port); |
| mDataPortView.setMovementMethod(new ScrollingMovementMethod()); |
| |
| mClearLogButton = (Button) rootView.findViewById(R.id.clear); |
| mClearLogButton.setOnClickListener(this); |
| |
| setButtonsState(false); |
| |
| return rootView; |
| } |
| |
| @Override |
| public void onClick(View view) { |
| if (view == mSendSingleConversation) { |
| sendMsg(1, 1); |
| } else if (view == mSendTwoConversations) { |
| sendMsg(2, 1); |
| } else if (view == mSendConversationWithThreeMessages) { |
| sendMsg(1, 3); |
| } else if (view == mClearLogButton) { |
| MessageLogger.clear(getActivity()); |
| mDataPortView.setText(MessageLogger.getAllMessages(getActivity())); |
| } |
| } |
| |
| @Override |
| public void onStart() { |
| super.onStart(); |
| getActivity().bindService(new Intent(getActivity(), MessagingService.class), mConnection, |
| Context.BIND_AUTO_CREATE); |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| MessageLogger.getPrefs(getActivity()).unregisterOnSharedPreferenceChangeListener(listener); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| mDataPortView.setText(MessageLogger.getAllMessages(getActivity())); |
| MessageLogger.getPrefs(getActivity()).registerOnSharedPreferenceChangeListener(listener); |
| } |
| |
| @Override |
| public void onStop() { |
| super.onStop(); |
| if (mBound) { |
| getActivity().unbindService(mConnection); |
| mBound = false; |
| } |
| } |
| |
| private void sendMsg(int howManyConversations, int messagesPerConversation) { |
| if (mBound) { |
| Message msg = Message.obtain(null, MessagingService.MSG_SEND_NOTIFICATION, |
| howManyConversations, messagesPerConversation); |
| try { |
| mService.send(msg); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error sending a message", e); |
| MessageLogger.logMessage(getActivity(), "Error occurred while sending a message."); |
| } |
| } |
| } |
| |
| private void setButtonsState(boolean enable) { |
| mSendSingleConversation.setEnabled(enable); |
| mSendTwoConversations.setEnabled(enable); |
| mSendConversationWithThreeMessages.setEnabled(enable); |
| } |
| } |