Delete the TextView that says "Hello World.".Open the layout file for the main activity.Accept the default name for the activity, make sure Generate Layout File is checked and click Finish.ġ.2 Create the layout for the main activity.
Accept the defaults for the Company Domain and Project location.Start Android Studio and create a new Android Studio Project.
In this section, you will create your Android Studio project, modify the layout, and add onClick functionality to its buttons. The "Scorekeeper" application consists of two sets of buttons and two text views used to keep track of the score for any point-based game with two players. Add a menu item that changes the theme of the application to a low contrast "night mode.".Apply styles to the UI elements of the application.Create drawable resources in XML and use them as backgrounds for your buttons.Create a new Android app and add buttons and TextView views to the layout.Apply a theme to an activity or application both in XML and programmatically.Pass data between activities using Intents.Add menu items with onClick functionality.Create and edit UI elements using the Layout Editor, XML, and code.
In this chapter, you will learn how to reduce your code, increase its readability and ease of maintenance by applying common styles to your views, use drawable resources, and apply themes to your application.įrom the previous chapters you should be familiar with basic concepts of the Activity lifecycle, and how to:
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