android studio development widget tutorial

Using the former means to make the View as big as the content of that View, whether it be a Button or EditText. However, the latter means that the width or height will be the same as its parent’s width or height.Īnother important property and distinction we should make is between padding and margin. layout_width and layout_height are required for all views and view containers and can only have two possible values: wrap_content and match_parent. In XML, this is what a simple hello world TextView would look like.Īs a side note, the android: prefix corresponds to the Android XML namespace, where Android will look for of our XML properties. The TextView also allows for all sorts of formatting for text as well.

All it requires is a height and width (required by all UI elements) and some text to go inside. Using a TextView is a really simple thing to do. Since this is the simplest element, we’ll also be covering some topics that are common to all Views.

The simplest way to show the user text is through the TextView element.

Android studio development widget tutorial