DotSmasher

DotSmasherCanvas.java

package com.dotsmasherdtb;

import java.util.Random;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.graphics.*;

public class DotSmasherCanvas extends View implements OnTouchListener {
	
	int dotX, dotY, score;

	protected void MoveDot()
	{
		Random generator = new Random();
		generator.setSeed(System.currentTimeMillis());
		int w = getWidth() - 60;
		int h = getHeight() - 120; //leave room for dot and score
		float f = generator.nextFloat();
		dotX = (int)(f*w);
		f = generator.nextFloat();
		dotY = (int)(f*h) + 60;
		
	}

	
	protected boolean detectHit(int x, int y)
	{
		if((x >= dotX && x <= dotX + 60) && (y>= dotY && y<= dotY + 60))
		{
			return true;
		}
		
			return false;
		
	}
	
	protected void onDraw(Canvas canvas)
	{
		canvas.drawColor(Color.BLACK);
		Paint dotPaint = new Paint();
		dotPaint.setColor(Color.GREEN);
		//canvas.drawRect(dotX, dotY, dotX + 60, dotY + 60, dotPaint);
		canvas.drawCircle(dotX +20, dotY+20, 40, dotPaint);
		dotPaint.setTextSize(60);
		canvas.drawText("Score: " + score, 60, 60, dotPaint);
		
	}
	
	public int getDotX() {
		return dotX;
	}

	public void setDotX(int dotX) {
		this.dotX = dotX;
	}

	public int getDotY() {
		return dotY;
	}

	public void setDotY(int dotY) {
		this.dotY = dotY;
	}

	public int getScore() {
		return score;
	}

	public void setScore(int score) {
		this.score = score;
	}

	public DotSmasherCanvas(Context context) {
		super(context);
		
		MoveDot();
		setOnTouchListener(this);
	}

	public DotSmasherCanvas(Context context, AttributeSet attrs) {
		super(context, attrs);
		// TODO Auto-generated constructor stub
	}

	public DotSmasherCanvas(Context context, AttributeSet attrs,
			int defStyleAttr) {
		super(context, attrs, defStyleAttr);
		// TODO Auto-generated constructor stub
	}

	@Override
	public boolean onTouch(View v, MotionEvent event) 
	{
		if(detectHit( (int)event.getX(), (int)event.getY() ) )
		{
			score += 1;
			invalidate();
		}
		return false;
	}

}

gistfile1.txt

package com.dotsmasherdtb;

import java.util.TimerTask;
import com.dotsmasherdtb.DotSmasherCanvas;


public class DotSmasherTimerTask extends TimerTask {
	
	DotSmasherCanvas canvas;

	public DotSmasherTimerTask(DotSmasherCanvas canvas) {
		this.canvas = canvas;
	}

	@Override
	public void run() {
		canvas.MoveDot();
		canvas.postInvalidate();
		

	}

}

gistfile2.txt

package com.dotsmasherdtb;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.*;
import java.util.Timer;

public class MainActivity extends Activity {
	
	private Timer timer;
	private DotSmasherCanvas canvas;
	private DotSmasherTimerTask task;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_main);
        setTitle("DotSmasherDTB");
        canvas = new DotSmasherCanvas(getBaseContext());
        timer = new Timer();
        task = new DotSmasherTimerTask(canvas);
        timer.schedule(task, 0, 1500);
        setContentView(canvas);
        
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.game_menu, menu);
        return true;
    }
    
    public boolean onOptionsItemSelected(MenuItem item)
    {
    	switch (item.getItemId())
    	{
    	case R.id.item1:
    		newGame();
    		canvas.postInvalidate();
    		return true;
    	case R.id.item2:
    		quit();
    		return true;
    	case R.id.easy:
    		timer.cancel();
    		setTitle("DotSmasherDTB easy");
    		canvas = new DotSmasherCanvas(getBaseContext());
            timer = new Timer();
            task = new DotSmasherTimerTask(canvas);
            timer.schedule(task, 0, 2500);
            setContentView(canvas);
            return true;
    	case R.id.normal:
    		timer.cancel();
    		setTitle("DotSmasherDTB normal");
    		canvas = new DotSmasherCanvas(getBaseContext());
            timer = new Timer();
            task = new DotSmasherTimerTask(canvas);
            timer.schedule(task, 0, 1500);
            setContentView(canvas);
            return true;
    	case R.id.hard:
    		timer.cancel();
    		setTitle("DotSmasherDTB hard");
    		canvas = new DotSmasherCanvas(getBaseContext());
            timer = new Timer();
            task = new DotSmasherTimerTask(canvas);
            timer.schedule(task, 0, 750);
            setContentView(canvas);
            return true;
    		
    	default:
    		return super.onOptionsItemSelected(item);
    	}
    }
    void newGame()
    {
    	canvas.setScore(0);
    }
    void quit()
    {
    	timer.cancel();
    	task = null;
    	timer = null;
    	canvas = null;
    	finish();
    }
    
}