Make media buttons shrink when tapped

<?xml version="1.0" encoding="utf-8"?>

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<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_pressed="true">

        <set>

            <objectAnimator

                android:interpolator="@interpolator/control_state"

                android:duration="50"

                android:propertyName="scaleX"

                android:valueTo="0.9"

                android:valueType="floatType" />

            <objectAnimator

                android:interpolator="@interpolator/control_state"

                android:duration="50"

                android:propertyName="scaleY"

                android:valueTo="0.9"

                android:valueType="floatType" />

        </set>

    </item>

    <item>

        <set>

            <objectAnimator

                android:interpolator="@interpolator/control_state"

                android:duration="250"

                android:propertyName="scaleX"

                android:valueTo="1"

                android:valueType="floatType" />

            <objectAnimator

                android:interpolator="@interpolator/control_state"

                android:duration="250"

                android:propertyName="scaleY"

                android:valueTo="1"

                android:valueType="floatType" />

        </set>

    </item>

</selector>

 No newline at end of file

    <style name="MediaPlayer.Button" parent="@android:style/Widget.Material.Button.Borderless.Small">

        <item name="android:background">@null</item>

        <item name="android:tint">@android:color/white</item>

        <item name="android:stateListAnimator">@anim/media_button_state_list_animator</item>

    </style>

    <!-- Used to style charging animation AVD animation -->