/**
* Show this button at the specific location. If this button isn't attached to any parent view
* yet, it will be add to activity's root view. If not, it will just update the location.
*
* @param parent The parent view. Should be {@link FrameLayout} or {@link RelativeLayout}
* @param x The x value of anchor point.
* @param y The y value of anchor point.
* @param gravity The gravity apply with this button.
* @see Gravity
*/
public void show(ViewGroup parent, int x, int y, int gravity) {
if (getParent() == null) {
ViewGroup.LayoutParams params = parent.generateLayoutParams(null);
params.width = mBackground.getIntrinsicWidth();
params.height = mBackground.getIntrinsicHeight();
updateParams(x, y, gravity, params);
parent.addView(this, params);
} else updateLocation(x, y, gravity);
}
/**
* Show this button at the specific location. If this button isn't attached to any parent view
* yet, it will be add to activity's root view. If not, it will just update the location.
*
* @param activity The activity that this button will be attached to.
* @param x The x value of anchor point.
* @param y The y value of anchor point.
* @param gravity The gravity apply with this button.
* @see Gravity
*/
public void show(Activity activity, int x, int y, int gravity) {
if (getParent() == null) {
FrameLayout.LayoutParams params =
new FrameLayout.LayoutParams(
mBackground.getIntrinsicWidth(), mBackground.getIntrinsicHeight());
updateParams(x, y, gravity, params);
activity.getWindow().addContentView(this, params);
} else updateLocation(x, y, gravity);
}
/**
* Update the location of this button. This method only work if it's already attached to a parent
* view.
*
* @param x The x value of anchor point.
* @param y The y value of anchor point.
* @param gravity The gravity apply with this button.
* @see Gravity
*/
public void updateLocation(int x, int y, int gravity) {
if (getParent() != null) updateParams(x, y, gravity, getLayoutParams());
else
Log.v(
FloatingActionButton.class.getSimpleName(), "updateLocation() is called without parent");
}