how to add a drawable background to theme android studio

Next, let's add the strings for our input views.

Later on we'll be applying all our styles and themes to this layout file.

Keep other default selections, go Next till you reach Finish.Ĭreate a simple layout for our app.Name the first activity 'ThemeActivity'.Enter App name: ThemeSwitcher (minSDK 16).Open Android Studio and go to File -> New Project.By the end of this exercise, you should know how to define a theme in your resources in an XML file, how to define attributes of the theme, how to apply those to your layout file, and finally how to dynamically change the theme of an activity.

We will be defining multiple themes in our app and use a spinner view to switch between themes. A Theme is a Style that applies to the entire application or a certain Activity. Styles in Android is similar in concept to CSS on web because it separates design from the content. A style is a xml resource and it separates the design attributes from XML layout. For more general overview of these concepts, check out Styles and Themes cliffnotes.Ī style in Android is a collection of attribute/value pairs applied to a view. At the end of this exercise, you will have better understanding of some of the core features of Android like - drawables, styles and themes.

package com.android_ following tutorial explains how to build an application that can switch between multiple distinct themes. How to Set background image in whole layout android xml.Ĭode for MainActivity.java file. Note: First copy background image in res-> drawable-hdpi folder. So here is the complete step by step tutorial for Set background image in whole layout android xml. Images can be call through Drawable folder so and developer can manually copy all images there. Images can also be set as background in complete layout so when your apps open then it will show selected inserted image as app activity background.

How to add a drawable background to theme android studio