@Override
public boolean onSingleTapUp(MotionEvent e) {
mTappedViewsPostition = pointToPosition(e.getX(), e.getY());
if (mTappedViewsPostition >= 0) {
mTappedView = getChildAt(mTappedViewsPostition);
mTappedView.setPressed(true);
} else {
float centerX = circleWidth / 2;
float centerY = circleHeight / 2;
if (e.getX() < centerX + (childWidth / 2)
&& e.getX() > centerX - childWidth / 2
&& e.getY() < centerY + (childHeight / 2)
&& e.getY() > centerY - (childHeight / 2)) {
if (mOnCenterClickListener != null) {
mOnCenterClickListener.onCenterClick();
return true;
}
}
}
if (mTappedView != null) {
CircleImageView view = (CircleImageView) (mTappedView);
if (selected != mTappedViewsPostition) {
rotateViewToCenter(view, false);
if (!rotateToCenter) {
if (mOnItemSelectedListener != null) {
mOnItemSelectedListener.onItemSelected(
mTappedView, mTappedViewsPostition, mTappedView.getId(), view.getName());
}
if (mOnItemClickListener != null) {
mOnItemClickListener.onItemClick(
mTappedView, mTappedViewsPostition, mTappedView.getId(), view.getName());
}
}
} else {
rotateViewToCenter(view, false);
if (mOnItemClickListener != null) {
mOnItemClickListener.onItemClick(
mTappedView, mTappedViewsPostition, mTappedView.getId(), view.getName());
}
}
return true;
}
return super.onSingleTapUp(e);
}
/**
* Rotate the buttons.
*
* @param degrees The degrees, the menu items should get rotated.
*/
private void rotateButtons(float degrees) {
int left, top, childCount = getChildCount();
float angleDelay = 360 / childCount;
angle += degrees;
if (angle > 360) {
angle -= 360;
} else {
if (angle < 0) {
angle += 360;
}
}
for (int i = 0; i < childCount; i++) {
if (angle > 360) {
angle -= 360;
} else {
if (angle < 0) {
angle += 360;
}
}
final CircleImageView child = (CircleImageView) getChildAt(i);
if (child.getVisibility() == GONE) {
continue;
}
left =
Math.round(
(float)
(((circleWidth / 2) - childWidth / 2)
+ radius * Math.cos(Math.toRadians(angle))));
top =
Math.round(
(float)
(((circleHeight / 2) - childHeight / 2)
+ radius * Math.sin(Math.toRadians(angle))));
child.setAngle(angle);
if (Math.abs(angle - firstChildPos) < (angleDelay / 2) && selected != child.getPosition()) {
selected = child.getPosition();
if (mOnItemSelectedListener != null && rotateToCenter) {
mOnItemSelectedListener.onItemSelected(child, selected, child.getId(), child.getName());
}
}
child.layout(left, top, left + childWidth, top + childHeight);
angle += angleDelay;
}
}