Android Open Source - timeflash Time Flash Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.derlethtully.timeflash;
/*from   w w w .ja v  a  2s  .c o  m*/
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import android.os.Bundle;
import android.os.Environment;
import android.os.Parcelable;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class TimeFlashActivity extends Activity {
  
  private Button addVocabB;
  private Button addVocabListB;
  private Button reviewVocabB;
  private Button editListB;
  //private Long tolerance = (long) 60480000; //# of milliseconds in a week
  private String defaultDirectory = "/storage";
  private static final int REQUEST_PICK_FILE = 1;
  private String vocabList = null;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_time_flash);
    
    vocabList = getFilesDir().toString() + "/vocabList.txt";
    
    addVocabB = (Button) findViewById(R.id.add_vocab_b);
    addVocabB.setOnClickListener(new OnClickListener(){
      @Override
      public void onClick(View arg0) {
        Intent addVocabIntent = new Intent(TimeFlashActivity.this, AddVocabActivity.class);
        startActivity(addVocabIntent);
      }    
    });
    addVocabListB = (Button) findViewById(R.id.add_vocab_list_b);
    addVocabListB.setOnClickListener(new OnClickListener(){
      @Override
      public void onClick(View v) {
        // Create a new Intent for the file picker activity
        Intent addVocabListIntent = new Intent(getBaseContext(), FilePickerActivity.class);        
        addVocabListIntent.putExtra(FilePickerActivity.EXTRA_FILE_PATH, defaultDirectory);
        // Start the activity
        startActivityForResult(addVocabListIntent, REQUEST_PICK_FILE);
      }      
    });
    reviewVocabB = (Button) findViewById(R.id.review_vocab_b);
    reviewVocabB.setOnClickListener(new OnClickListener(){
      @Override
      public void onClick(View v) {
        // Launch settings menu for running flashcards (date/time)  
        Intent reviewVocabIntent = new Intent(getBaseContext(),FlashCardActivity.class);
        startActivity(reviewVocabIntent);
      }      
    });
    editListB = (Button) findViewById(R.id.edit_vocab_list_b);
    editListB.setOnClickListener(new OnClickListener(){
      @Override
      public void onClick(View v) {
        Intent editListIntent = new Intent(getBaseContext(), EditListActivity.class);
        startActivity(editListIntent);
      }      
    });
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if(resultCode == RESULT_OK) {
      switch(requestCode) {
      case REQUEST_PICK_FILE:
        if(data.hasExtra(FilePickerActivity.EXTRA_FILE_PATH)) {
          File f = new File(data.getStringExtra(FilePickerActivity.EXTRA_FILE_PATH));
          String filePath = f.getPath();
          String fileName = filePath.substring(filePath.lastIndexOf("/")+1, filePath.length());
          Log.d("File Returned", fileName);
          Log.d("File Path Returned", filePath);
          parseList(filePath);
        }
      }
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.flash_card, menu);
    return true;
  }
  
  public void parseList(String filePath){
    File file = new File(vocabList);
    try {
      InputStream inputStream = new FileInputStream(filePath);
      BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));      
      FileWriter fileWriter = new FileWriter(file, true);
      StringBuilder sb = new StringBuilder();      
      String clue=br.readLine();
      String answer=br.readLine();
      while((clue!=null)&&(answer!=null))
      {        
        sb.append(clue+"\n");
        sb.append(answer+"\n");
        sb.append(System.currentTimeMillis()+"\n");
        clue = br.readLine();
        answer = br.readLine();
      }
      Toast.makeText(this, sb, Toast.LENGTH_LONG).show();
      fileWriter.append(sb);
      
      fileWriter.flush();
      fileWriter.close();
      br.close();
      inputStream.close();
      
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}

Java Source Code List

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