<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:camera="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:weightSum="7"
    tools:context="com.example.arturs.cameraappzoom.MainActivity">



    <com.example.arturs.cameraappzoom.CameraView
        android:id="@+id/custom_preview"
        camera:camera_type="back"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

    <LinearLayout
        android:layout_alignParentBottom="true"
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <Button
            android:id="@+id/btnZoomIn"
            android:text="Zoom+"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:soundEffectsEnabled="false"/>

        <Button
            android:id="@+id/btnZoomOut"
            android:text="Zoom-"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:soundEffectsEnabled="false"/>

        <Button
            android:id="@+id/btnCameraSwitch"
            android:text="Switch Cam"
            android:layout_weight="1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:soundEffectsEnabled="false"/>



    </LinearLayout>

</RelativeLayout>