Hi all,
My purpose is very simple : each 1second, I want to redraw an object
on different place on background.
I do not know where my error on this code below. Hope that you can
show me or give me an advice to fix this problem
Here is my code
**********************************************************************************************************************
public class My_View extends View{
private Bitmap mBackground_img;
private Drawable mMoveObject;
private int mObjectw,mObjecth;
private int Dx,Dy;
private Handler myHandler = new Handler();
private long lasttime;
public My_View(Context context,AttributeSet ats,int ds)
{
super(context,ats,ds);
init(context);
}
public My_View(Context context,AttributeSet ats)
{
super(context,ats);
init(context);
}
public My_View(Context context)
{
super(context);
init(context);
}
public void change()
{
invalidate();
}
private void init(Context context)
{
Resources res = context.getResources();
mMoveObject = res.getDrawable
(R.drawable.lander_firing);
mBackground_img = BitmapFactory.decodeResource(res,
R.drawable.my_pic);
mObjectw = mMoveObject.getIntrinsicWidth();
mObjecth = mMoveObject.getIntrinsicHeight();
Dx = Dy = 0;
lasttime = System.currentTimeMillis() + 1000;
Thread mthread = new Thread(null,doBackground,"Background");
mthread.start();
}
private Runnable doBackground = new Runnable()
{
public void run()
{
long now = System.currentTimeMillis();
if(lasttime < now )
{
Dx = Dx + 10;
Dy = Dy + 10;
lasttime = now + 1000;
myHandler.post(change_view);
}
}
};
private Runnable change_view = new Runnable()
{
public void run()
{
change();
}
};
@Override
public void onDraw(Canvas canvas)
{
canvas.drawBitmap(mBackground_img,0 ,0 , null);
mMoveObject.setBounds(Dx, Dy, Dx+mObjectw, Dy+mObjecth);
mMoveObject.draw(canvas);
}
}
**********************************************************************************************************************
Hope to see your reply soon,
Thanks in advance,
NPAK
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