Android - how to set background color of all screens?

AndroidAndroid Layout

Android Problem Overview

What is the best practice to maintain styles of fonts and colors. I made a colors.xml file which I have used to change colors on seperate elements like buttons, but I am not sure how Android wants developers to organize their styles.

For example, I would like all screens to have the same background color. How do I do that? Is it something I need to specify for each Activity layout xml? Or elsewhere? How do I accomplish it?

Android Solutions

Solution 1 - Android

A quick and easy way to make sure every activity has the same background color, is to create a theme for your activities to use. That theme would specify the android:windowBackground.

First define the color in values/colors.xml

<resources>
    <color name="background">#FF0000 </color>
</resources>

Create a themes.xml file in res/values that references that color:

<resources>
 <style name="MyTheme" parent="@android:style/Theme.Light"> 
  <item name="android:windowBackground">@color/background</item>
 </style>
</resources>

... and then in your AndroidManifest.xml specify this as the theme for your activities to use.

 <activity
        android:name=".MyActivity"
        android:theme="@style/MyTheme" />

Solution 2 - Android

Update your android studio to 1.4 it has inbuilt theme editor. as you can see in below image

enter image description here

Solution 3 - Android

You can also set the background at the application level in AndroidManifest.xml

<application
   ...
   android:theme="@style/MyTheme">

(Note: I cannot this as a comment of the accepted answer as my reputation is too low).

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Content TypeOriginal AuthorOriginal Content on Stackoverflow
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Solution 1 - AndroidNPikeView Answer on Stackoverflow
Solution 2 - Androidkundan royView Answer on Stackoverflow
Solution 3 - AndroidchrisView Answer on Stackoverflow