activity_shared.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"
                tools:context="com.godoro.androiddevices.SharedActivity">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/sharedValue"
        android:id="@+id/textView"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"/>

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/sharedEdit"
        android:layout_below="@+id/textView"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"/>

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/save"
        android:id="@+id/saveButton"
        android:onClick="onSaveClick"
        android:layout_below="@+id/sharedEdit"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"/>
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/remove"
        android:id="@+id/removeButton"
        android:onClick="onRemoveClick"
        android:layout_below="@+id/saveButton"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"/>
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/clear"
        android:id="@+id/clearButton"
        android:onClick="onClearClick"
        android:layout_below="@+id/removeButton"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"/>

</RelativeLayout>