imgback.setOnTouchListener(new OnTouchListener()
        {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                int actionMask = event.getActionMasked();
                int pointerIndex = event.getActionIndex();
                int pointerCount = event.getPointerCount();
                //x=event.getX();
                //y=event.getY();
                switch (actionMask) {
                    case MotionEvent.ACTION_UP:
                        inTouch = false;
                        //sb.setLength(0);
                    case MotionEvent.ACTION_POINTER_UP:
                        upPI = pointerIndex;
                        break;
                    case MotionEvent.ACTION_DOWN:
                       inTouch = true;
                        Toast.makeText(getBaseContext(), "down1", Toast.LENGTH_SHORT).show();
                    case MotionEvent.ACTION_POINTER_DOWN:
                        Toast.makeText(getBaseContext(), "down2", Toast.LENGTH_SHORT).show();
                        downPI = pointerIndex;
                        for (int i = 0; i < 10; i++) {
                            //sb.append()
                            if (i < pointerCount) {
                                x = event.getX(i);
                                y = event.getY(i);
                                //ДЕЙСТВИЕ ПРИ КОСАНИИ