Additional Functionality (Optional Read).Override the onDraw() method to draw the text on the canvas ourselves!.Extend the AppCompatTextView and understand important attributes and methods.Here is a quick summary of the work we are about to do: A good understanding of strings, characters, and index based traversal.A project to create our SmartTextView inside.Some experience with Android development.You don’t need to be an Android master, but you will need: Maybe even start to believe that with patience and persistence, we can do almost anything in Android!.See how granular we can get and how much control we have over native customizability.Become less intimidated changing native Android views.More than just learning about Android's TextView, you will: In this article, you will learn what methods we need to override, as well as what native view methods we will need to calculate positions and render the text.
We will be customizing this view to draw the text onto the canvas ourselves! because sometimes you just need to get your hands dirty and do things yourself! What are we going to do about it?ĭon’t freak out! We are not starting from scratch, but, in fact, we will extend Android’s native AppCompatTextView to build our own SmartTextView. In this article, we will dive into native Android customizability.
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We see articles everywhere about integrating libraries into your projects, but, as developers, we can’t become so dependent on third party libraries that we forget how to customize native tools and components to do what we need them to do.ĭon’t get me wrong - I love finding the perfect library to do most of the work for me, but this may not always be the correct approach! There is even a library to help you justify text, but this is not necessarily the best way to do what we need - the developer even says this in the readme file. Android TextView does not support justified text!
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