apps-android-commons/res/layout/activity_login.xml

<LinearLayout 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:gravity="center"
    android:orientation="vertical" >

    <ImageView
        android:id="@+id/commonsLogo"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:src="@drawable/commons_logo_large" />

    <TextView
        android:id="@+id/loginSubtitle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:text="@string/login_subtitle"
        android:textAllCaps="true"
        android:textAppearance="?android:attr/textAppearanceSmall" />

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_margin="16dip"
        android:gravity="center"
        android:orientation="vertical" >

           <EditText
               android:id="@+id/loginUsername"
               android:layout_width="fill_parent"
               android:layout_height="wrap_content"
               android:hint="@string/username"
               android:inputType="textNoSuggestions"
                >

               <requestFocus />
           </EditText>

           <EditText
	            android:id="@+id/loginPassword"
               android:layout_width="fill_parent"
               android:layout_height="wrap_content"
               android:hint="@string/password"
               android:inputType="textPassword" />

           <Button
               android:id="@+id/loginButton"
               android:layout_width="fill_parent"
               android:layout_height="wrap_content"
               android:text="@string/login" />

    </LinearLayout>

</LinearLayout>