dtb49/MainActivity.java

## MainActivity.java
package com.example.ungdoodle;
//doodler

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.*;
import android.content.Context;
import android.view.View.OnTouchListener;
import android.graphics.*;
import android.view.MotionEvent;
import android.view.View;
import java.util.ArrayList;


public class MainActivity extends Activity {

	LinearLayout ll=null;
	DoodleView dv=null;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ll=(LinearLayout)findViewById(R.id.base);
        dv=new DoodleView(this);
        ll.addView(dv,1);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

}
class DoodleView extends TextView implements OnTouchListener{
	ArrayList<dot> sketch=new ArrayList<dot>();
	Paint myPaint=new Paint();
	float[] xvel=new float[1000];
	float[] yvel=new float[1000];


	public DoodleView(Context myContext){
		super(myContext);
		this.setBackgroundColor(Color.WHITE);
		this.setHeight(480);
		this.setFocusable(true);
		this.setFocusableInTouchMode(true);
		this.setOnTouchListener(this);
		myPaint.setColor(Color.BLUE);
		myPaint.setStyle(Paint.Style.FILL_AND_STROKE);
		for (int i=0;i<1000;i++)
		{
			xvel[i]=1;
			yvel[i]=1;
		}


	}
	public void onDraw(Canvas c) {
		dot last=null;
		int i=0;
		for(dot d:sketch){
			myPaint.setColor(Color.BLACK);

			c.drawCircle(d.x, d.y, 4, myPaint);
			myPaint.setColor(Color.RED);
			if (last!=null)
				c.drawLine(last.x, last.y, d.x, d.y, myPaint);
			last=d;
			d.x+= xvel[i];
			d.y+= yvel[i];
			if (d.x>480) xvel[i]=-xvel[i];
			if (d.y>480) yvel[i]=-yvel[i];
			i++;


		}

	}
	public boolean onTouch(View v, MotionEvent me){
		if(me.getAction()==MotionEvent.ACTION_DOWN){}
		if(me.getAction()==MotionEvent.ACTION_MOVE){
			sketch.add(new dot(me.getX(), me.getY()));
		}
		if(me.getAction()==MotionEvent.ACTION_UP){}
		invalidate();
		return true;
	}
	class dot{
		private float x;
		private float y;
		public dot(float x, float y){
			this.x=x;
			this.y=y;
		}
	}

}

## Retirement.html
<html>
<head>

<title> Dylan's Cool retirement Calculator
</title>

<script language="javascript">

function calculate(){

  var monthly = Number(document.getElementById('monthly').value);
  var rate = Number(document.getElementById('rate').value);
  var years = Number(document.getElementById('years').value);
  var total = 0;

  // alert ("You're saving $" + monthly + " per month.");

  for(var x = 0; x< years*12; x++)
	{

	total += monthly + total * rate/100/12;

	}
  //alert(total);
  document.getElementById('output').innerHTML =
  "Your retirement total will be: <b>$" + total + "</b>";


}

</script>

</head>
<body>

<h1>Calculate your retirement courtesy of Dylan:
</h1>
<form>
Monthly Investment Amount:<input type="text" name="monthly" id="monthly" /><br />
Annual Rate of Return (%):
<input type="text" name="rate" id="rate" /><br />
Number of Years to Invest:
<input type="text" name="years" id="years" onblur="calculate()"/><br />
<input type="button" value="Calculate your Retirement"
	onclick="calculate()" />

</form>

<p id="output">Enter your savings plan above, and you'll see your
retirement forcast here.</p>

</body>
</html>
	package com.example.ungdoodle;
	//doodler

	import android.os.Bundle;
	import android.app.Activity;
	import android.view.Menu;
	import android.widget.*;
	import android.content.Context;
	import android.view.View.OnTouchListener;
	import android.graphics.*;
	import android.view.MotionEvent;
	import android.view.View;
	import java.util.ArrayList;


	public class MainActivity extends Activity {

	LinearLayout ll=null;
	DoodleView dv=null;


	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);
	ll=(LinearLayout)findViewById(R.id.base);
	dv=new DoodleView(this);
	ll.addView(dv,1);
	}


	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
	// Inflate the menu; this adds items to the action bar if it is present.
	getMenuInflater().inflate(R.menu.main, menu);
	return true;
	}

	}
	class DoodleView extends TextView implements OnTouchListener{
	ArrayList<dot> sketch=new ArrayList<dot>();
	Paint myPaint=new Paint();
	float[] xvel=new float[1000];
	float[] yvel=new float[1000];


	public DoodleView(Context myContext){
	super(myContext);
	this.setBackgroundColor(Color.WHITE);
	this.setHeight(480);
	this.setFocusable(true);
	this.setFocusableInTouchMode(true);
	this.setOnTouchListener(this);
	myPaint.setColor(Color.BLUE);
	myPaint.setStyle(Paint.Style.FILL_AND_STROKE);
	for (int i=0;i<1000;i++)
	{
	xvel[i]=1;
	yvel[i]=1;
	}


	}
	public void onDraw(Canvas c) {
	dot last=null;
	int i=0;
	for(dot d:sketch){
	myPaint.setColor(Color.BLACK);

	c.drawCircle(d.x, d.y, 4, myPaint);
	myPaint.setColor(Color.RED);
	if (last!=null)
	c.drawLine(last.x, last.y, d.x, d.y, myPaint);
	last=d;
	d.x+= xvel[i];
	d.y+= yvel[i];
	if (d.x>480) xvel[i]=-xvel[i];
	if (d.y>480) yvel[i]=-yvel[i];
	i++;


	}

	}
	public boolean onTouch(View v, MotionEvent me){
	if(me.getAction()==MotionEvent.ACTION_DOWN){}
	if(me.getAction()==MotionEvent.ACTION_MOVE){
	sketch.add(new dot(me.getX(), me.getY()));
	}
	if(me.getAction()==MotionEvent.ACTION_UP){}
	invalidate();
	return true;
	}
	class dot{
	private float x;
	private float y;
	public dot(float x, float y){
	this.x=x;
	this.y=y;
	}
	}

	}
	<html>
	<head>

	<title> Dylan's Cool retirement Calculator
	</title>

	<script language="javascript">

	function calculate(){

	var monthly = Number(document.getElementById('monthly').value);
	var rate = Number(document.getElementById('rate').value);
	var years = Number(document.getElementById('years').value);
	var total = 0;

	// alert ("You're saving $" + monthly + " per month.");

	for(var x = 0; x< years*12; x++)
	{

	total += monthly + total * rate/100/12;

	}
	//alert(total);
	document.getElementById('output').innerHTML =
	"Your retirement total will be: <b>$" + total + "</b>";


	}

	</script>

	</head>
	<body>

	<h1>Calculate your retirement courtesy of Dylan:
	</h1>
	<form>
	Monthly Investment Amount:<input type="text" name="monthly" id="monthly" /><br />
	Annual Rate of Return (%):
	<input type="text" name="rate" id="rate" /><br />
	Number of Years to Invest:
	<input type="text" name="years" id="years" onblur="calculate()"/><br />
	<input type="button" value="Calculate your Retirement"
	onclick="calculate()" />

	</form>

	<p id="output">Enter your savings plan above, and you'll see your
	retirement forcast here.</p>

	</body>
	</html>