refactor home-fragment to dashboard-fragment and add a tablayout

app/src/main/java/de/chrissthecoder/store/MainActivity.kt

@@ -37,7 +37,7 @@ class MainActivity : AppCompatActivity() {
         // menu should be considered as top level destinations.
         appBarConfiguration = AppBarConfiguration(
             setOf(
-                R.id.nav_home, R.id.nav_gallery, R.id.nav_slideshow
+                R.id.nav_dashboard, R.id.nav_gallery, R.id.nav_slideshow
             ), drawerLayout
         )
         setupActionBarWithNavController(navController, appBarConfiguration)

app/src/main/java/de/chrissthecoder/store/ui/dashboard/DashboardFragment.kt

@@ -1,17 +1,16 @@
-package de.chrissthecoder.store.ui.home
+package de.chrissthecoder.store.ui.dashboard
 
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.TextView
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
-import de.chrissthecoder.store.databinding.FragmentHomeBinding
+import de.chrissthecoder.store.databinding.FragmentDashboardBinding
 
-class HomeFragment : Fragment() {
+class DashboardFragment : Fragment() {
 
-    private var _binding: FragmentHomeBinding? = null
+    private var _binding: FragmentDashboardBinding? = null
 
     // This property is only valid between onCreateView and
     // onDestroyView.
@@ -22,16 +21,11 @@ class HomeFragment : Fragment() {
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View {
-        val homeViewModel =
+        val dashboardViewModel = ViewModelProvider(this).get(DashboardViewModel::class.java)
-            ViewModelProvider(this).get(HomeViewModel::class.java)
 
-        _binding = FragmentHomeBinding.inflate(inflater, container, false)
+        _binding = FragmentDashboardBinding.inflate(inflater, container, false)
         val root: View = binding.root
 
-        val textView: TextView = binding.textHome
-        homeViewModel.text.observe(viewLifecycleOwner) {
-            textView.text = it
-        }
         return root
     }
 

app/src/main/java/de/chrissthecoder/store/ui/dashboard/DashboardViewModel.kt

@@ -1,10 +1,10 @@
-package de.chrissthecoder.store.ui.home
+package de.chrissthecoder.store.ui.dashboard
 
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 
-class HomeViewModel : ViewModel() {
+class DashboardViewModel : ViewModel() {
 
     private val _text = MutableLiveData<String>().apply {
         value = "This is home Fragment"

app/src/main/res/layout/fragment_dashboard.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.dashboard.DashboardFragment">
+
+    <com.google.android.material.tabs.TabLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0">
+
+        <com.google.android.material.tabs.TabItem
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/tab_shoppinglist" />
+
+        <com.google.android.material.tabs.TabItem
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/tab_understock" />
+
+    </com.google.android.material.tabs.TabLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_home.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.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:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".ui.home.HomeFragment">
-
-    <TextView
-        android:id="@+id/text_home"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="8dp"
-        android:layout_marginTop="8dp"
-        android:layout_marginEnd="8dp"
-        android:textAlignment="center"
-        android:textSize="20sp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/activity_main_drawer.xml

@@ -5,9 +5,9 @@
 
     <group android:checkableBehavior="single">
         <item
-            android:id="@+id/nav_home"
+            android:id="@+id/nav_dashboard"
             android:icon="@drawable/ic_menu_camera"
-            android:title="@string/menu_home" />
+            android:title="@string/menu_dashboard" />
         <item
             android:id="@+id/nav_gallery"
             android:icon="@drawable/ic_menu_gallery"

app/src/main/res/navigation/mobile_navigation.xml

@@ -3,13 +3,13 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/mobile_navigation"
-    app:startDestination="@+id/nav_home">
+    app:startDestination="@+id/nav_dashboard">
 
     <fragment
-        android:id="@+id/nav_home"
+        android:id="@+id/nav_dashboard"
-        android:name="de.chrissthecoder.store.ui.home.HomeFragment"
+        android:name="de.chrissthecoder.store.ui.dashboard.DashboardFragment"
-        android:label="@string/menu_home"
+        android:label="@string/menu_dashboard"
-        tools:layout="@layout/fragment_home" />
+        tools:layout="@layout/fragment_dashboard" />
 
     <fragment
         android:id="@+id/nav_gallery"

app/src/main/res/values/strings.xml

@@ -7,7 +7,10 @@
     <string name="nav_header_desc">Navigation header</string>
     <string name="action_settings">Settings</string>
 
-    <string name="menu_home">Home</string>
+    <string name="menu_dashboard">Dashboard</string>
     <string name="menu_gallery">Gallery</string>
     <string name="menu_slideshow">Slideshow</string>
+
+    <string name="tab_shoppinglist">Einkaufszettel</string>
+    <string name="tab_understock">Minderbestand</string>
 </resources>