Android Open Source - Memory-Training-Android-Application Word Exercise

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License

The source code is released under:

MIT License

Java Source Code

package markqdavenport.net.memorizingexercise;
/*from w  w w . j  a  va  2s . co m*/
import android.app.Activity;
import android.content.Context;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Random;

/**
 * Created by mark on 12/31/14.
 */
public class WordExercise extends Activity{
    private ArrayList<String> dictionary;
    private int wordLength; //Set elsewhere
    private String currentMemorizingList;
    private void createDictionary(){

        dictionary = new ArrayList<String>();

        BufferedReader dict = null; //Holds the dictionary.txt file
       AssetManager am = this.getAssets();

        try {
            //dictionary.txt.txt should be in the assets folder.
            Context context = getApplicationContext();
            CharSequence text = "Before creating dictionary.txt.";
            int duration = Toast.LENGTH_SHORT;

            Toast toast = Toast.makeText(context, text, duration);
            toast.show();



            dict = new BufferedReader(new InputStreamReader(am.open("raw/dictionary.txt")));


            String word;

            while((word = dict.readLine()) != null){

                    dictionary.add(word);

            }

        } catch (FileNotFoundException e){
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        try {
            dict.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    //Precondition: the dictionary.txt has been created.
    private String getRandomWord(){
        if(dictionary == null) {
            dictionary.add("zinga");

        }
        return dictionary.get((int)(Math.random() * dictionary.size()));
    }







    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.wordmemorizing);



    }


    public void genWords(View view) {

        EditText answerBox = (EditText)findViewById(R.id.answerBox);


        try {
            EditText numberOfWordsInput = (EditText)findViewById(R.id.numberOfWords);
            Resources res = getResources();
            InputStream in_s = res.openRawResource(R.raw.dictionary);

            byte[] b = new byte[in_s.available()];
            in_s.read(b);
            String dictionaryInTotal = new String(b);

            String[] dictionaryInTotalArray = dictionaryInTotal.split(System.getProperty("line.separator"));

            Random random = new Random();

            Integer numberOfWords = Integer.parseInt(numberOfWordsInput.getText().toString());
            String[] randomWords = new String[numberOfWords];


            for(int i = 0; i<numberOfWords; i++){

                int randomIndex = random.nextInt(dictionaryInTotalArray.length);
                randomWords[i] = dictionaryInTotalArray[randomIndex];
            }

            String wordList = stringArrayToString(randomWords);


            Integer inputNumber = Integer.parseInt(String.valueOf(numberOfWordsInput.getText()));
            answerBox.setText(wordList);
            currentMemorizingList = wordList;
        } catch (Exception e) {
                  e.printStackTrace();
            }
    }


    public void Increment(View view) {
        EditText numberOfWordsInput = (EditText)findViewById(R.id.numberOfWords);
        Integer numberOfWords = Integer.parseInt(numberOfWordsInput.getText().toString());
        numberOfWords++;
        numberOfWordsInput.setText(numberOfWords.toString());
    }
    public void Decrement(View view) {
        EditText numberOfWordsInput = (EditText)findViewById(R.id.numberOfWords);
        Integer numberOfWords = Integer.parseInt(numberOfWordsInput.getText().toString());
        numberOfWords--;
        numberOfWordsInput.setText(numberOfWords.toString());
    }
        public void showWords(View view) {
        EditText answerBox = (EditText)findViewById(R.id.answerBox);
        answerBox.setText(currentMemorizingList);

    }

    public void hideWords(View view) {
        EditText answerBox = (EditText)findViewById(R.id.answerBox);

        answerBox.setText("  ");

    }


    public static String stringArrayToString(String[] incomingStringArray) {
        String temp = "";
        for(int p = 0; p<incomingStringArray.length;p++){
            temp += " " + incomingStringArray[p] ;
        }
        return temp;
    }

}

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