Broadwell
Broadwell

Reputation: 1384

Android change Material elevation shadow color

is it possible to change the shadow color produced by the xml elevation property? I want the shadow be dynamically changed by code.

Upvotes: 48

Views: 96416

Answers (4)

Waleed Hassan
Waleed Hassan

Reputation: 1

I know I'm late but I want to share the solution as I searched hard for this issue, and the approved method as above ref: https://stackoverflow.com/a/42717993/18398843 is not working well, these shadows show some random shapes in small size of application.. BTW the solution is You have to use "ComplexView" to create your custom shadow,

dependency: implementation 'com.github.BluRe-CN:ComplexView:v1.1'

XML

<com.blure.complexview.ComplexView
   android:id="@+id/shadow_card_1"
   android:layout_width="@dimen/_65sdp"
   android:layout_height="@dimen/_65sdp"
   android:layout_centerInParent="true"
   app:radius="@dimen/_30sdp"
   app:shadow="true"
   app:shadowAlpha="250"
   app:shadowSpread="2"/>

//this will create the circular shadow for my need you can reduce the radius

Custom View

val shadow = ComplexView(context)
val radii = floatArrayOf(100f, 100f, 100f, 100f, 100f, 100f, 100f, 100f)//customise according to your requirement
val opacity = 150//customise according to your requirement
 shadow.shadow =Shadow(
       2,
       opacity,
       "#96B9BB",
       GradientDrawable.RECTANGLE,
       radii,
       Shadow.Position.CENTER
      )

val param: RelativeLayout.LayoutParams =
                    RelativeLayout.LayoutParams(
                        context.resources.getDimension(R.dimen._160sdp).toInt(),
                        context.resources.getDimension(R.dimen._160sdp).toInt()
                    )
shadow.layoutParams = param
shadow.addView(yourCustomView)

thanks :)

Upvotes: 0

Roman Soviak
Roman Soviak

Reputation: 867

You can use Shadow Layout. Check my answer.

Upvotes: 1

Gauthier
Gauthier

Reputation: 4978

Starting API 28 (Pie) View#setOutlineAmbientShadowColor(int color) and View#setOutlineSpotShadowColor(int color) are available in the View class.

If you use elevation on your View, you can use both methods to change the color of the shadow.

Upvotes: 53

Zielony
Zielony

Reputation: 16537

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.

enter image description here

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>

Upvotes: 67

Related Questions