<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:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context=".MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/text_tvTitle"
        android:id="@+id/textView"
        android:textSize="20sp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true" />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="numberDecimal"
        android:ems="10"
        android:id="@+id/etProgramming"
        android:layout_below="@+id/textView"
        android:layout_marginTop="42dp"
        android:hint="@string/hint_etProgramming" />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="numberDecimal"
        android:ems="10"
        android:id="@+id/etDataStructure"
        android:layout_below="@+id/etProgramming"
        android:hint="@string/hint_etDataStructure" />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="numberDecimal"
        android:ems="10"
        android:id="@+id/etAlgorithm"
        android:layout_below="@+id/etDataStructure"
        android:hint="@string/hint_etAlgorithm" />

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/text_btSubmit"
        android:id="@+id/btSubmit"
        android:layout_below="@+id/etAlgorithm"
        android:onClick="onSubmitClick" />
</RelativeLayout>