UAS MOB ILE PROGR AM MING APLIKASI PEMILIHAN MATA KULIAH NAMA : REKO RIANTO NIM : 2014141558 KELAS : 06TPLM014 SOURCE CODE XML 1. ActivityMain.xml <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" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" > <Button android:id="@+id/btX" android:layout_width="wrap_content" android:layout_height="wrap_content" an...