This tutorial assumes that you already have an activity and are using an XML layout.Open the layout XML and add the button element.  Assign an ID with the “@+id” operator.  The + tells Android to generate an ID for this element so that you can reference it in your Java files.This is an example. Your layout and text elements will probably be very different. In this example case, the ID of the button is “close”.<Button android:id="@+id/close" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="tru...

So let's say you're an awesome web developer making an awesome web app. One day, you add a link in the web app that has an event handler instead of an href. Testing it, you realize that your cursor doesn't change when hovering over it, unlike a normal link. You think for a minute and then give it a cursor:pointer style, which fixes the issue. You are happy.The next day, QA informs you that the link cannot be tabbed to. Confused, you do some research and find a solution to the problem: Simply set the tabindex attribute to 0, which correctly adds the link into the tab flow. You are annoyed by th...

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