donext/app/src/main/res/layout/content_tasklists.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/new_task_list_parent_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:focusableInTouchMode="true"
    android:descendantFocusability="beforeDescendants"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:background="@android:color/background_light"
    android:orientation="vertical">
    <LinearLayout
        android:id="@+id/new_task_list_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="75dp">
        <EditText
            android:id="@+id/new_task_list_name"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="2"
            android:hint="@string/task_list_new_list_hint"
            android:maxLines="1"
            android:inputType="text" />
        <Button
            android:id="@+id/new_task_list_button"
            android:layout_width="80dp"
            android:layout_height="wrap_content"
            style="@style/Widget.AppCompat.Button.Colored"
            android:text="@string/task_list_new_list_create"/>
    </LinearLayout>
    <android.support.v7.widget.RecyclerView
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:id="@+id/task_lists_view"
        android:name="com.wismna.geoffroy.donext.fragments.TaskListFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layoutManager="LinearLayoutManager"
        tools:context=".fragments.TaskListsDialogFragment"
        tools:listitem="@layout/fragment_tasklist" />
</LinearLayout>