Android Open Source - Arthashastra Part1 B

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License

The source code is released under:

GNU General Public License

Java Source Code

package org.aakashlabs.arthashastra;
//from   w  w w. j  av  a  2  s .  com
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;

import android.app.Fragment;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.widget.Button;
import android.widget.Toast;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

/*
 *  Arthashastra - a financial literacy app
    Copyright (C) 2013 Made by Tushar Bhargava (tushar1995@gmail.com)

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program 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
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 *
 */

/**
 * Refer to Part1A fragment for documentation.
 * 
 * @author Tushar Bhargava
 *
 */

public class Part1B extends Fragment
{
  // Global variables
  public static final String file_name="score_file";

   @Override
      public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
      
       View V = inflater.inflate(R.layout.part1blayout, container, false);  
       

      // Set buttons action
      final Button tortoise_b=(Button)V.findViewById(R.id.tortoise_buffet);
      tortoise_b.setOnClickListener(new View.OnClickListener(){
          
        public void onClick(View v)
        {
          score_add(200);
          
          // showing a tick mark on being clicked - very ugly change
          // must also write to a file which will later be read to determine 
          // whether this task is done or not
        //  tortoise_b.setBackgroundResource(R.drawable.tick);
          view_PDF("TortoiseBuffett.pdf");
          
        }// end innermost function
      });// end onClick function
      
      Button interest_basic=(Button)V.findViewById(R.id.interest_vid);
      interest_basic.setOnClickListener(new View.OnClickListener(){
        
        public void onClick(View v)
        {
          score_add(150);
          // the URL of the Khan Academy video
          Intent i=new Intent(android.content.Intent.ACTION_VIEW,Uri.parse("http://youtu.be/GtaoP0skPWc"));
          startActivity(i);
        }// end innermost function
      });// end onClick function
      
      Button interest_part2=(Button)V.findViewById(R.id.interest_part_2);
      interest_part2.setOnClickListener(new View.OnClickListener(){
        
        public void onClick(View v)
        {
          score_add(150);
          // the URL of the Khan Academy video
          Intent i=new Intent(android.content.Intent.ACTION_VIEW,Uri.parse("https://www.youtube.com/watch?feature=player_embedded&v=t4zfiBw0hwM"));
          startActivity(i);
        }// end innermost function
      });// end onClick function
      
      Button rule_72=(Button)V.findViewById(R.id.rule_of_72);
      rule_72.setOnClickListener(new View.OnClickListener(){
        
        public void onClick(View v)
        {
          score_add(150);
          // the URL of the Khan Academy video
          Intent i=new Intent(android.content.Intent.ACTION_VIEW,Uri.parse("https://www.youtube.com/watch?feature=player_embedded&v=pLG5j6isgRs"));
          startActivity(i);
        }// end innermost function
      });// end onClick function
      
      Button one_idiot=(Button)V.findViewById(R.id.one_idiot);
      one_idiot.setOnClickListener(new View.OnClickListener(){
        
        public void onClick(View v)
        {
          score_add(600);
          Intent i=new Intent(android.content.Intent.ACTION_VIEW,Uri.parse("http://www.youtube.com/watch?v=vU1l1TB7GzI"));
          startActivity(i);
        }// end innermost function
      });// end onClick function
      
      Button frugal_guide=(Button)V.findViewById(R.id.cheapskate);
      frugal_guide.setOnClickListener(new View.OnClickListener(){
        
        public void onClick(View v)
        {
          score_add(150);
        view_PDF("frugalguide.pdf");
        }// end innermost function
      });// end onClick function
    
       
       return V;
   }// end onCreateView function
   
   // --------------------------- Standard Functions now --------------------------------
   
   public void view_PDF(String file_name)
    {
      // I'm assuming all my files will be stored on the SD card directly ; using bluetooth
      // for tablet testing

      File file = new File(Environment.getExternalStorageDirectory()+"/bluetooth/"+file_name);
      
      if(file.exists())
      {
      // Now I am going to use an intent to let the default application handle PDF viewing
      Uri path=Uri.fromFile(file);
      Intent pdf_view = new Intent(android.content.Intent.ACTION_VIEW);
        pdf_view.setDataAndType(path,"application/pdf");
        pdf_view.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        
        
        try
        {
          startActivity(pdf_view);
        }// end try statement
      
      catch(ActivityNotFoundException e)
      {
        Toast no_app=Toast.makeText(getActivity().getBaseContext(), "Application to view PDF missing", Toast.LENGTH_SHORT);
        no_app.show();
      }// end catch statement
      }// end if statement
      
      else
      {
        System.out.println("File does not exist !");
      }// end else statement

      
    }// end function 
    
    public int get_score()
    {
      int score=0;
      
      File file=new File(getActivity().getFilesDir(), file_name);
      
      if(!file.exists())
      {
        return score;
      }// end if statement
        
         try
         {
        FileInputStream fis = getActivity().openFileInput(file_name);
        InputStreamReader in=new InputStreamReader(fis);
        BufferedReader br=new BufferedReader(in);
        score=Integer.parseInt(br.readLine());
         }// end try statement
         
         catch (Exception e)
         {
        e.printStackTrace();
         }// end catch statement
      
         return score;
         
    }// end function

    public void score_add(int add_val)
    {
      int original_sc=get_score();
      int new_sc=original_sc+add_val;
      
      // a string to write to the file
      String score=Integer.toString(new_sc);
      
      FileOutputStream outputStream;
      
      try
      {
        outputStream=getActivity().openFileOutput(file_name,Context.MODE_PRIVATE);
        outputStream.write(score.getBytes());
        outputStream.close();
      }
      catch(Exception e)
      {
      e.printStackTrace();  
      }// end catch statement
      
    }// end function

  
}// end class

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