Support for larger screens

app/src/main/res/layout-large/main_content.xml

@@ -1,60 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout 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/main_content"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <TextView
-        android:id="@+id/clockTextView"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="64dp"
-        android:text="@string/main_placeholder_clock"
-        android:textSize="64sp"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <TextView
-        android:id="@+id/dateTextView"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/main_placeholder_date"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/clockTextView" />
-
-    <android.support.v7.widget.RecyclerView
-        android:id="@+id/mainAppsList"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="16dp"
-        android:layout_marginLeft="16dp"
-        android:layout_marginTop="32dp"
-        android:layout_marginEnd="16dp"
-        android:layout_marginRight="16dp"
-        app:layoutManager="android.support.v7.widget.LinearLayoutManager"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        tools:listitem="@layout/main_list_item" />
-
-    <ImageView
-        android:id="@+id/ivExpand"
-        android:layout_width="50dp"
-        android:layout_height="50dp"
-        android:layout_marginStart="8dp"
-        android:layout_marginLeft="8dp"
-        android:layout_marginEnd="8dp"
-        android:layout_marginRight="8dp"
-        android:padding="8dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        android:contentDescription="@string/content_description_expand_up"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:srcCompat="@drawable/ic_expand" />
-
-</android.support.constraint.ConstraintLayout>

app/src/main/res/layout-sw600dp/main_activity.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main_activity_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <fragment xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/nav_host_fragment"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:navGraph="@navigation/nav_graph" />
+</merge>

app/src/main/res/layout-sw600dp/main_list_item.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/main_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginBottom="16dp"
+        android:textSize="64sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</android.support.constraint.ConstraintLayout>

app/src/main/res/layout-sw720dp/main_activity.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main_activity_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <fragment xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/nav_host_fragment"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:navGraph="@navigation/nav_graph" />
+</merge>