Add presidents.xml file to app's res > values folder.Create new Project with an Empty Activity configured like this:.In Part I we'll create the first activity in our application, corresponding to the screenshot on the left above. Part 1 - RecyclerView Activity Implementation Explanation, where I explain what we did, why we did what we did, and how it works.Implementation, where I tell you what to do, and.A fact which you'll hopefully come to appreciate throughout the development of the Presidents List app.Įach distinct part of the lesson will be presented into two corresponding sections: But the fact is, even the simplest of apps usually have a lot going on in the background, unbeknowst to the average user. Seems simple enough, right? Like most apps, this one may seem simple on the surface. Here are a couple screen shots of the final product: When the user clicks on one of the list items, the second activity is launched, which displays the chosen President's WIkipedia page in a WebView. The app will consist of two activities: the first activity contains a RecyclerView showing a chronological listing of all U.S. The final result of your hard labor will be a complete application that we'll call the " Presidents List" app. Setting an OnClickListener for a RecyclingView ()īecause of the number of topics to be discussed, this will be a multi-part lesson.Referencing pre-existing Arrays from the resources folder.As always, links will be provided throughout the lesson for you to read more detailed descriptions if you're having a difficult time grasping the concepts as they are presented in class. (Pause for effect.) That means that we'll need to discuss how to invoke other Activities, and how to pass data between Activities. We'll also be venturing out of the comfortable world of single-activity apps.this one wil have two. This lesson will continue to build on this foundation by introducing several topics and features that will prove useful in a good majority of apps you develop in the future. Our goal for the next couple lessons will be to design and build a full-fledged application, introducing and discussing topics as they are encountered in the process of app creation. Recycler View and Multi-Activity Apps: The Presidents List IntroĪt this point, you're starting to develop a solid foundational understanding of how apps are created, and how the different parts of the app work together.
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