Android – How to change the window background color

Android – How to change the activity window background color using “android:background”. there are two ways change the window background color. The first way you can change the window background color using your own theme. Follow this tutorial to create your own theme.  The second way you can change the window background color from your activity like below.

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:background="#4A148C"
    tools:context="com.thecodingstuff.first.MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="The Coding Stuff"
        android:id="@+id/textView"
        android:layout_centerVertical="true"
        android:layout_centerHorizontal="true" />
</RelativeLayout>

I just add “android:background” color on RelativeLayout you can add your custom background color as you want.

If you face any issue after using above code please write the comment below.

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