지금 열심히 연구중인데요. a 또는 b를 추가 하려고 하는데 도저히 모르겠습니다.
추가하는 법 좀 알려주세요.
아래소스는 연습으로 만든 건데 여기에 추가하고 싶어요.
화면에 원그리는 소스입니다.
package test.view;
import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
public class Tview extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Cdisplay displayview = new Cdisplay(this);
setContentView(displayview);
}
class Cdisplay extends View{
private int mAlpha;
private float mX;
private float mY;
public Cdisplay(Context context) {
super(context);
mAlpha=100;
mX=160;
mY=200;
// TODO Auto-generated constructor stub
}
@Override
protected void onDraw(Canvas canvas) {
// TODO Auto-generated method stub
Paint paint;
paint = new Paint();
paint.setARGB(mAlpha, 255, 0, 0);
canvas.drawCircle(mX, mY, 77, paint);
super.onDraw(canvas);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// TODO Auto-generated method stub
mX=event.getX();
mY=event.getY();
mAlpha = mAlpha +10;
if(mAlpha > 256) mAlpha =0;
invalidate();
return super.onTouchEvent(event);
}
}
}