opencv/android/service/engine/res/layout/main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/textView4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="About"
        android:textAppearance="?android:attr/textAppearanceLarge" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="OpenCV library (www.opencv.org) is used by other applications for image enhancement, panorama stitching, object detection, recognition and tracking and so on. OpenCV Manager provides the best version of the OpenCV for your hardware."
        android:textAppearance="?android:attr/textAppearanceMedium" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >

        <TextView
            android:id="@+id/EngineVersionCaption"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Version: "
            android:textAppearance="?android:attr/textAppearanceMedium" />

        <TextView
            android:id="@+id/EngineVersionValue"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="version"
            android:textAppearance="?android:attr/textAppearanceMedium" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >

    </LinearLayout>

    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Device information"
        android:textAppearance="?android:attr/textAppearanceLarge" android:layout_marginTop="20dp"/>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >

            <TextView
                android:id="@+id/HardwareCaption"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Hardware: "
                android:textAppearance="?android:attr/textAppearanceMedium" />

            <TextView
                android:id="@+id/HardwareValue"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Hardware"
                android:textAppearance="?android:attr/textAppearanceMedium" />

        </LinearLayout>

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >

        <TextView
            android:id="@+id/OsVersionCaption"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="OS version: "
            android:textAppearance="?android:attr/textAppearanceMedium" />

        <TextView
            android:id="@+id/OsVersionValue"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Os Specification"
            android:textAppearance="?android:attr/textAppearanceMedium" />

    </LinearLayout>

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Installed packages"
        android:textAppearance="?android:attr/textAppearanceLarge" android:layout_marginTop="15dp"/>

    <ListView
        android:id="@+id/InstalledPackageList"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" android:layout_weight="1">
    </ListView>

    <Button
        android:id="@+id/CheckEngineUpdate"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Check for update" />

</LinearLayout>