I don’t know if this is the effect

Code:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/holo_green_dark"
    android:clipChildren="false">


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentBottom="true"
        android:background="@android:color/darker_gray">
        <View
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"/>
        <ImageView
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:layout_gravity="bottom"
            android:src="@mipmap/ic_launcher"/>
        <View
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"/>
    </LinearLayout>
</RelativeLayout>

The key lies in this code:

android:clipChildren="false"

Explanation:

Whether to limit the sub-View within its scope. The default is true

Use anchor points. For examples, you can search online or create a default template with File-New-Activity-ScrollingActivity in Studio. The layout inside is