Drawing Multiple rectangles without calling invalidate()?

You could add each rectangle to a list and iterate it onDraw like this: import android.graphics. Rect; private ArrayList rectangles = new ArrayList(); @Override public boolean onTouchEvent (MotionEvent event) { // ... case MotionEvent. ACTION_UP: rectangles.

Add(new Rect(xCoor, yCoor, rectW, rectH)); break; // ... } @Override protected void onDraw(Canvas canvas) { Paint paint = new Paint(); paint. SetColor(Color. BLUE); for (Rect rect : rectangles) { canvas.

DrawRect(rect, paint); } }.

Thanks! Thats exactly what I was looking for :) – user785235 Jun 7 at 2:18.

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