fragment_camera.xml

<?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:layout_height="match_parent">

    <!--This is a custom TextureView, generic TextureView can be used as well-->
    <com.ananth.frontrearcamera.view.AutoFitTextureView
        android:layout_weight="1"
        android:id="@+id/texture1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <com.ananth.frontrearcamera.view.AutoFitTextureView
        android:layout_weight="1"
        android:id="@+id/texture2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>