refactor

Author: hoc081098

app/src/main/java/com/hoc081098/firestore_coroutinesflow/ktx.kt

@@ -0,0 +1,6 @@
+package com.hoc081098.firestore_coroutinesflow
+
+import android.content.Context
+import android.content.res.Configuration.ORIENTATION_PORTRAIT
+
+val Context.isOrientationPortrait get() = this.resources.configuration.orientation == ORIENTATION_PORTRAIT

app/src/main/java/com/hoc081098/firestore_coroutinesflow/ui/main/MainFragment.kt

@@ -8,11 +8,8 @@ import androidx.fragment.app.Fragment
 import androidx.lifecycle.observe
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.GridLayoutManager
-import com.hoc081098.firestore_coroutinesflow.GlideApp
-import com.hoc081098.firestore_coroutinesflow.Lce
-import com.hoc081098.firestore_coroutinesflow.R
+import com.hoc081098.firestore_coroutinesflow.*
 import com.hoc081098.firestore_coroutinesflow.databinding.MainFragmentBinding
-import com.hoc081098.firestore_coroutinesflow.viewBinding
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import org.koin.androidx.viewmodel.ext.android.viewModel
 
@@ -32,10 +29,14 @@ class MainFragment : Fragment(R.layout.main_fragment) {
 
     binding.recyclerView.run {
       setHasFixedSize(true)
-      layoutManager = GridLayoutManager(context, 2)
+      layoutManager = GridLayoutManager(context, if (context.isOrientationPortrait) 2 else 3)
       adapter = categoryAdapter
     }
 
+    bindVM(categoryAdapter)
+  }
+
+  private fun bindVM(categoryAdapter: CategoryAdapter) {
     vm.categoriesData.observe(owner = viewLifecycleOwner) { state ->
       when (state) {
         Lce.Loading -> {

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

@@ -1,15 +1,42 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<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:id="@+id/main"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    tools:context=".ui.main.MainFragment">
 
-    <TextView
-        android:id="@+id/textView2"
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:listitem="@layout/category_item" />
+
+    <ProgressBar
+        android:id="@+id/progressBar"
+        style="?android:attr/progressBarStyle"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="TextView"
-        tools:layout_editor_absoluteX="137dp"
-        tools:layout_editor_absoluteY="194dp" />
-</androidx.constraintlayout.widget.ConstraintLayout>
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.appcompat.widget.AppCompatTextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Empty list"
+        android:id="@+id/emptyError"
+        android:textAlignment="center"
+        android:textAppearance="@style/TextAppearance.AppCompat.Display1"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+    </androidx.appcompat.widget.AppCompatTextView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>