У вашего броузера проблема в совместимости с HTML5
This video will tell how to display alertdialog in activity with the positive and negative buttons
AlertDialog in android is like pop-up box.It can be used to show user information or error or warning or for confirmation
It can contain buttons; in android we can call them positive, negative or neutral button.
We can also show a whole activity in alert dialog for example a login activity that pops out on login button click event
In this video we will see how to display alertdialog and its method
we wil see:
-create method()
-setCancellable()
-setButton
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