private boolean handleRowTouch(View view, MotionEvent event) {
int action = event.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
mActivePointerId = event.getPointerId(0);
mLastDownXlat = view.getTranslationX();
mLastDraggingView = view;
mLastDownX = event.getRawX();
mVelocityTracker = VelocityTracker.obtain();
mVelocityTracker.addMovement(event);
int idx = mViews.indexOf(mLastDraggingView);
mSpringChain.setControlSpringIndex(idx);
mSpringChain.getControlSpring().setCurrentValue(mLastDownXlat);
break;
case MotionEvent.ACTION_MOVE:
{
final int pointerIndex = event.findPointerIndex(mActivePointerId);
if (pointerIndex != -1) {
final int location[] = {0, 0};
view.getLocationOnScreen(location);
float x = event.getX(pointerIndex) + location[0];
float offset = x - mLastDownX + mLastDownXlat;
mSpringChain.getControlSpring().setCurrentValue(offset);
mVelocityTracker.addMovement(event);
}
break;
}
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
final int pointerIndex = event.findPointerIndex(mActivePointerId);
if (pointerIndex != -1) {
mVelocityTracker.addMovement(event);
mVelocityTracker.computeCurrentVelocity(1000);
mSpringChain
.getControlSpring()
.setVelocity(mVelocityTracker.getXVelocity())
.setEndValue(0);
}
break;
}
return true;
}
