[android-developers] Draw a Circle when the user touches the screen

[patrick91]

Hi, I've this code:

Java: (http://nopaste.me/4449 )

package com.patrick.games.whackgroundhog;

import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;

public class Game extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(new Ground(this));
    }

    class Ground extends View {

          public Ground(Context context) {
               super(context);
          }

          public void onDraw(Canvas canvas) {
               canvas.drawColor(Color.BLACK);

          }

          @Override
          public boolean onTouchEvent(MotionEvent event) {

               if (event.getAction() == MotionEvent.ACTION_DOWN) {
                    //TODO: draw the circle
               }
               return true;
          }

    }
}


And I want to draw a circle when the onTouchEvent is called but I
don't know how to get the canvas Sad

Can you help me?

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