Add simple nested screen for showing another problem with BottomNavig…

…ationView
Android-Academy-Global · Aug 15, 2020 · 7d54b32 · 7d54b32
1 parent fa3a80b
commit 7d54b32
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Showing 6 changed files with 56 additions and 1 deletion.
diff --git a/app/src/main/java/com/aaglobal/jnc_playground/ui/dashboard/DashboardFragment.kt b/app/src/main/java/com/aaglobal/jnc_playground/ui/dashboard/DashboardFragment.kt
@@ -5,6 +5,7 @@ import android.view.View
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.Observer
+import androidx.navigation.fragment.findNavController
 import com.aaglobal.jnc_playground.R
 import kotlinx.android.synthetic.main.fragment_dashboard.*
 
@@ -25,6 +26,12 @@ class DashboardFragment : Fragment(R.layout.fragment_dashboard) {
             fragment_dashboard__text__counter.text = "$it"
         })
         fragment_dashboard__text__counter.setOnClickListener { dashboardViewModel.incCounter() }
+
+        // ========= Problem 2 =========
+        // When we change screen state and tap on bottom navigation tab - state of the screen will be reset!
+        fragment_dashboard__button__move.setOnClickListener {
+            findNavController().navigate(R.id.action__DashboardFragment_to_GraphicFragment)
+        }
     }
 
 }
diff --git a/app/src/main/java/com/aaglobal/jnc_playground/ui/graphic/GraphicFragment.kt b/app/src/main/java/com/aaglobal/jnc_playground/ui/graphic/GraphicFragment.kt
@@ -0,0 +1,6 @@
+package com.aaglobal.jnc_playground.ui.graphic
+
+import androidx.fragment.app.Fragment
+import com.aaglobal.jnc_playground.R
+
+class GraphicFragment : Fragment(R.layout.fragment_graphic)
diff --git a/app/src/main/res/layout/fragment_dashboard.xml b/app/src/main/res/layout/fragment_dashboard.xml
@@ -32,4 +32,14 @@
         app:layout_constraintTop_toBottomOf="@id/fragment_dashboard__text__title"
         tools:text="100" />
 
+    <Button
+        android:id="@+id/fragment_dashboard__button__move"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/dp20"
+        android:text="@string/fragment_dashboard__open_graphic_screen"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/fragment_dashboard__text__counter" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/fragment_graphic.xml b/app/src/main/res/layout/fragment_graphic.xml
@@ -0,0 +1,17 @@
+<?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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        style="@style/LargeTitle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/fragment_graphic__title"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/navigation/mobile_navigation.xml b/app/src/main/res/navigation/mobile_navigation.xml
@@ -15,11 +15,24 @@
         android:id="@+id/navigation_dashboard"
         android:name="com.aaglobal.jnc_playground.ui.dashboard.DashboardFragment"
         android:label="@string/title_dashboard"
-        tools:layout="@layout/fragment_dashboard" />
+        tools:layout="@layout/fragment_dashboard">
+
+        <action
+            android:id="@+id/action__DashboardFragment_to_GraphicFragment"
+            app:destination="@id/GraphicFragment" />
+
+    </fragment>
 
     <fragment
         android:id="@+id/navigation_notifications"
         android:name="com.aaglobal.jnc_playground.ui.notifications.NotificationsFragment"
         android:label="@string/title_notifications"
         tools:layout="@layout/fragment_notifications" />
+
+    <fragment
+        android:id="@+id/GraphicFragment"
+        android:name="com.aaglobal.jnc_playground.ui.graphic.GraphicFragment"
+        android:label="Graphic"
+        tools:layout="@layout/fragment_graphic" />
+
 </navigation>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -3,4 +3,6 @@
     <string name="title_home">Home</string>
     <string name="title_dashboard">Dashboard</string>
     <string name="title_notifications">Notifications</string>
+    <string name="fragment_graphic__title">Graphic screen title</string>
+    <string name="fragment_dashboard__open_graphic_screen">Open graphic screen</string>
 </resources>