JokeList - Android Lab 2

gistfile1.java

package edu.calpoly.android.lab2;

import java.util.ArrayList;

import android.app.Activity;
import android.content.res.Resources;
import android.os.Bundle;
import android.util.Log;
import android.util.TypedValue;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;

public class SimpleJokeList extends Activity {

    /** Contains the list Jokes the Activity will present to the user. */
	protected ArrayList<Joke> m_arrJokeList;

	/** LinearLayout used for maintaining a list of Views that each display Jokes. */
	protected LinearLayout m_vwJokeLayout;

	/** EditText used for entering text for a new Joke to be added to m_arrJokeList. */
	protected EditText m_vwJokeEditText;

	/** Button used for creating and adding a new Joke to m_arrJokeList using the
	 * text entered in m_vwJokeEditText. */
	protected Button m_vwJokeButton;
	
	/** Background Color values used for alternating between light and dark rows
	 * of Jokes. */
	protected int m_nDarkColor;
	protected int m_nLightColor;
	protected int m_nTextColor;
	protected int m_nCurrentColor;
	protected ArrayList<Joke> m_arrjokeList;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		// TODO
		Resources res = this.getResources();
		String[] jokeList = res.getStringArray(R.array.jokeList);
		
		initLayout();
		m_arrjokeList = new ArrayList<Joke>();
		this.m_nDarkColor = res.getColor(R.color.dark);
		this.m_nLightColor = res.getColor(R.color.light);
		this.m_nTextColor = res.getColor(R.color.text);
		this.m_nCurrentColor = this.m_nDarkColor;
		
		
		for(int i=0; i<jokeList.length; i++){
			Log.d("Lab2", "Add Joke " + i + " :"+jokeList[i].toString());
			// this.m_arrjokeList.add(new Joke(jokeList[i]));
			addJoke(jokeList[i]);
		}
		
		
	}
	
	/**
	 * Method used to encapsulate the code that initializes and sets the Layout
	 * for this Activity. 
	 */
	protected void initLayout() {
		// TODO
		m_vwJokeLayout = new LinearLayout(this);
		m_vwJokeLayout.setOrientation(LinearLayout.VERTICAL);
		
		ScrollView sw = new ScrollView(this);
		sw.addView(m_vwJokeLayout);
		setContentView(sw);
	}
	
	/**
	 * Method used to encapsulate the code that initializes and sets the Event
	 * Listeners which will respond to requests to "Add" a new Joke to the 
	 * list. 
	 */
	protected void initAddJokeListeners() {
		// TODO
	}

	/**
	 * Method used for encapsulating the logic necessary to properly initialize
	 * a new joke, add it to m_arrJokeList, and display it on screen.
	 * 
	 * @param strJoke
	 *            A string containing the text of the Joke to add.
	 */
	protected void addJoke(String strJoke) {
		// TODO
		Joke myJoke = new Joke(strJoke);
		this.m_arrjokeList.add(myJoke);
		
		TextView tw = new TextView(this);
		tw.setText(strJoke);
		
		//Set color
		tw.setBackgroundColor(this.m_nCurrentColor);
		if(this.m_nCurrentColor == this.m_nDarkColor){
			this.m_nCurrentColor = this.m_nLightColor;
		} else {
			this.m_nCurrentColor = this.m_nLightColor;
		}
		tw.setTextColor(this.m_nTextColor);
		tw.setTextSize(TypedValue.COMPLEX_UNIT_PX, 16);
		m_vwJokeLayout.addView(tw);
	}
}