<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".Dialog_about" >

    <TextView
        android:id="@+id/textViewAbout"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:textIsSelectable="true"
        android:layout_alignParentTop="true"
        android:textAppearance="?android:attr/textAppearanceMedium" />

</RelativeLayout>