Changing Cardview Shadow Color

Change Card View Elevation Color

here you can change color first you can make a drawable file and paste this code in it. then in your layout inside cardview, you can assign as background file.

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@android:id/background">
    <shape>
        <corners android:bottomLeftRadius="8dp"
            android:topLeftRadius="5dp"
            android:bottomRightRadius="8dp"
            android:topRightRadius="5dp"/>
        <solid android:color="#ddd"/>
    </shape>
</item>

Android change Material elevation shadow color

I know that this question is very old and probably the author doesn't need the answer anymore. I'll just leave it here so others can find it.

Lollipop's elevation system doesn't support colored shadows.

But, if you need colored shadows, it's possible to get them using Carbon. It's a kind-of support library for Material Design and in the most recent version there is an option to change shadow color. There's a ton of nice designs on Behance featuring colored shadows and I thought it would be nice to have them despite lack of such feature in Android. It's important to note that colored shadows are emulated on all Android versions, on 5.0+ too.

https://github.com/ZieIony/Carbon

The following image and code can be found in Carbon's samples.

Code:

<carbon.widget.LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal">

    <carbon.widget.Button
        android:layout_width="56dp"
        android:layout_height="56dp"
        android:layout_margin="@dimen/carbon_padding"
        android:background="#ffffff"
        app:carbon_cornerRadius="2dp"
        app:carbon_elevation="8dp"
        app:carbon_elevationShadowColor="@color/carbon_red_700"/>

</carbon.widget.LinearLayout>

"CardView":

<carbon.widget.LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal">

    <carbon.widget.LinearLayout
        android:layout_width="match_parent"
        android:layout_height="160dp"
        android:layout_margin="@dimen/carbon_margin"
        android:background="#ffffff"
        app:carbon_cornerRadius="2dp"
        app:carbon_elevation="8dp"
        app:carbon_elevationShadowColor="@color/carbon_red_700">

        <carbon.widget.ImageView
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:src="@drawable/test_image"/>

        <carbon.widget.TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="test text"/>
    </carbon.widget.LinearLayout>

</carbon.widget.LinearLayout>

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