How can I implement from xml file layout inside the App using Android studio? -

i'm beginner in android. want implement graphic layout android app:

how can generate xml implement layout on picture in android?

below desired layout

<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"  android:orientation="vertical"  android:layout_width="match_parent"  android:weightsum="3"  android:layout_height="match_parent">  <linearlayout     android:layout_width="match_parent"     android:layout_weight="1"     android:background="#c3c3c3"     android:layout_height="0dp">      <imageview         android:background="@color/black_color"         android:layout_width="match_parent"         android:src="@drawable/ic_launcher"         android:layout_height="match_parent" /> </linearlayout>  <scrollview     android:layout_width="match_parent"     android:layout_weight="2"     android:background="#ffc90e"     android:layout_height="0dp">     <linearlayout         android:layout_width="match_parent"         android:layout_height="match_parent">         <textview             android:layout_width="match_parent"             android:textsize="20sp"             android:text="this text view scrollable"             android:layout_height="match_parent" />         </linearlayout>     </scrollview> </linearlayout> 

the total weight sum of parent linearlayout 3 , 1 assigned linear layout contain imageview , 2 scroll view can change height of these 2 views changing values of 1 , 2 sum should not increase more 3