activity_about.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/background"
    android:gravity="center_horizontal"
    android:orientation="vertical"
    android:padding="5dp" >

    <TextView
        android:id="@+id/created_by"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:text="@string/created_by" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:text="@string/opensource_used" />

    <TextView
        android:id="@+id/project2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/project1" />

    <TextView
        android:id="@+id/project1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/project2" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:text="@string/check_out" />

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:contentDescription="@string/settle_up"
        android:src="@drawable/settle_up" />

    <TextView
        android:id="@+id/settle_up"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/settle_up" />

</LinearLayout>