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s3va/Activity.java

Created August 28, 2022 20:28
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When can I View.getX() from View?
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Activity.java
view.getViewTreeObserver().addOnGlobalLayoutListener(
new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
// Layout has happened here.
// Don't forget to remove your listener when you are done with it.
view.getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
});
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s3va commented Aug 28, 2022 •
edited

https://stackoverflow.com/a/32400275/11798617

ViewGroups such as RelativeLayout do not layout their children immediately, and thus your View does not yet know where it will lie on screen. You need to wait for the RelativeLayout to complete a layout pass before that can happen.

You can listen for global layout events like so:

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