Android Open Source - PalmaBici Notification Manager

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From Project

Back to project page PalmaBici.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright 2012 Sergio Garcia Villalonga (yayalose@gmail.com)
 */*from  w w w .j a v a  2 s  . c o m*/
 * This file is part of PalmaBici.
 *
 *    PalmaBici is free software: you can redistribute it and/or modify
 *    it under the terms of the Affero GNU General Public License version 3
 *    as published by the Free Software Foundation.
 *
 *    PalmaBici is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    Affero GNU General Public License for more details
 *    (https://www.gnu.org/licenses/agpl-3.0.html).
 *    
 */

package com.poguico.palmabici.notification;

import java.util.ArrayList;

import com.poguico.palmabici.R;

import android.app.Activity;
import android.os.AsyncTask;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.TextView;

public class NotificationManager {
  private static final int COLOR_WHITE = 0xFFFFFFFF;
  private static final int COLOR_BLACK = 0xFF000000;
  
  private static ArrayList<Message> msgQueue = new ArrayList<Message>();
  private static ShowLabelTask      msgDispatcher;
  
  public static class Message {
    private TextView textView;
    private String   message;
        private long    duration;
        private Activity parent;
        private boolean problem;
        
    public Message (TextView textView,
                         String   message,
                         long    duration,
                         Activity parent,
                         boolean problem) {
      this.textView = textView;
      this.message  = message;
      this.duration = duration;
      this.parent   = parent;
      this.problem  = problem;
    }

    public TextView getTextView() {
      return textView;
    }

    public String getMessage() {
      return message;
    }

    public long getDuration() {
      return duration;
    }

    public Activity getParent() {
      return parent;
    }

    public boolean isProblem() {
      return problem;
    }
  }
  
  private static class ShowLabelTask extends AsyncTask <Void, Void, Void> {
    private Message   msg;
    private TextView  textView;
    private long     duration;
    private Animation showLabel;
    private Animation hideLabel;
    private Activity  parent;
    private boolean  problem;
    
    public ShowLabelTask (Message msg) {
      this.msg      = msg;
      this.textView = msg.getTextView();
      this.duration = msg.getDuration();
      this.parent   = msg.getParent();
      this.problem  = msg.isProblem();
      
      showLabel = AnimationUtils.loadAnimation(parent, R.anim.push_up_in);
      hideLabel =
          AnimationUtils.loadAnimation(parent, R.anim.push_down_out);
      
      textView.setText(msg.getMessage());
      textView.setBackgroundResource((problem)?R.color.problem_palmabici:
                                                     R.color.pressed_palmabici);
      textView.setTextColor((problem)?COLOR_WHITE:COLOR_BLACK);
      textView.setVisibility(View.VISIBLE);
      textView.startAnimation(showLabel);
    }
    
      protected Void doInBackground(Void... params) {
        try {
        Thread.sleep(duration);
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
      return null;
        }

        protected void onPostExecute(Void params) {
          synchronized (msgQueue) {
            msgQueue.remove(msg);
            if (!msgQueue.isEmpty()) {
              ShowLabelTask nextNotification =
                  new ShowLabelTask(msgQueue.get(0));
              nextNotification.execute((Void [])null);
            } else {
                  textView.startAnimation(hideLabel);
                  textView.setVisibility(View.INVISIBLE);
              NotificationManager.finalizeDispatcher();
            }
          }
        }
    }
  
  public static void showMessage(TextView textView,
                                      String   message,
                                      long    duration,
                                      Activity parent,
                                      boolean problem) {
    Message msg = new Message(textView, message, duration, parent, problem);
    
    synchronized (msgQueue) {
      msgQueue.add(msg);
    
      if (msgDispatcher == null) {
        msgDispatcher = new ShowLabelTask(msg);
        msgDispatcher.execute((Void [])null);
      }
    }
  }
  
  private static void finalizeDispatcher() {
    msgDispatcher = null;
  }
}

Java Source Code List

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