Note that by using this API, you take full responsibility for setting
up the proper accessibility label and description information for button.
Most likely, you'll either set the accessibility label or description
for button explicitly, or you'll set a labelled-by or described-by
relations from child to button.
Sets the child widget of button.
Note that by using this API, you take full responsibility for setting up the proper accessibility label and description information for button. Most likely, you'll either set the accessibility label or description for button explicitly, or you'll set a labelled-by or described-by relations from child to button.