rect

rect.java

 @Override
 protected void onDraw(Canvas canvas) {
     canvas.drawColor(Color.BLACK);

     Paint paint = new Paint();
     paint.setStyle(Paint.Style.FILL);
     for (int i = 1; i < 5; i ++) {
         Log.d("MyView", "onDraw " + Integer.toString(i));
         switch (i) {
             case 1: {
                 paint.setColor(Color.BLUE);
                 break;
             }
             case 2: {
                 paint.setColor(Color.RED);
                 break;
             }
             case 3: {
                 paint.setColor(Color.WHITE);
                 break;
             }
             case 4: {
                 paint.setColor(Color.GREEN);
                 break;
             }
         }
         canvas.drawRect(100, 100 * i, 100 * i, 100 + 100 * i, paint);
     }
 }