✨ issue #8 done

Author: EyuCoder

.idea/misc.xml

@@ -29,9 +29,9 @@ class BindingAdapter {
             view.visibility = if (emptyDb.value == true) View.VISIBLE else View.INVISIBLE
         }
 
-        @BindingAdapter("android:marked_favorite")
+        @BindingAdapter("android:is_favorite")
         @JvmStatic
-        fun markFavorite(img: ImageView, marked: Boolean) {
+        fun isFavorite(img: ImageView, marked: Boolean) {
             if (marked) {
                 img.setImageResource(R.drawable.ic_favorite_on)
             } else img.setImageResource(R.drawable.ic_favorite_off)

app/src/main/java/com/codexo/notes/adapters/BindingAdapter.kt

@@ -7,44 +7,46 @@ import androidx.recyclerview.widget.RecyclerView
 import com.codexo.notes.data.Note
 import com.codexo.notes.databinding.ItemNotesBinding
 
-class NotesAdapter : RecyclerView.Adapter<NotesAdapter.TodoViewHolder>() {
+class NotesAdapter(private val listener: OnItemClickListener) :
+    RecyclerView.Adapter<NotesAdapter.NoteViewHolder>() {
 
-    var todoList = emptyList<Note>()
+    var NoteList = emptyList<Note>()
 
-    class TodoViewHolder(private val binding: ItemNotesBinding) :
-        RecyclerView.ViewHolder(binding.root) {
-        fun bind(note: Note) {
-            binding.note = note
-            binding.executePendingBindings()
-        }
-
-        companion object {
-            fun from(parent: ViewGroup): TodoViewHolder {
-                val layoutInflater = LayoutInflater.from(parent.context)
-                val binding = ItemNotesBinding.inflate(layoutInflater, parent, false)
-                return TodoViewHolder(binding)
-            }
-        }
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): NoteViewHolder {
+        val binding = ItemNotesBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return NoteViewHolder(binding)
     }
 
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TodoViewHolder {
-        return TodoViewHolder.from(parent)
-    }
-
-    override fun onBindViewHolder(holder: TodoViewHolder, position: Int) {
-        val currentItem = todoList[position]
+    override fun onBindViewHolder(holder: NoteViewHolder, position: Int) {
+        val currentItem = NoteList[position]
         holder.bind(currentItem)
     }
 
     override fun getItemCount(): Int {
-        return todoList.size
+        return NoteList.size
     }
 
     fun setData(notesData: List<Note>) {
-        val notesDiffUtil = DiffUtil(todoList, notesData)
+        val notesDiffUtil = DiffUtil(NoteList, notesData)
         val notesDiffResult = DiffUtil.calculateDiff(notesDiffUtil)
 
-        this.todoList = notesData
+        this.NoteList = notesData
         notesDiffResult.dispatchUpdatesTo(this)
     }
+
+    inner class NoteViewHolder(private val binding: ItemNotesBinding) :
+        RecyclerView.ViewHolder(binding.root) {
+        fun bind(note: Note) {
+            binding.note = note
+            binding.ivFavorite.setOnClickListener {
+                listener.onFavoriteClicked(!note.favorite, note.id)
+            }
+
+            binding.executePendingBindings()
+        }
+    }
+
+    interface OnItemClickListener {
+        fun onFavoriteClicked(markedFavorite: Boolean, id: Long)
+    }
 }

app/src/main/java/com/codexo/notes/adapters/NoteAdapter.kt

@@ -19,18 +19,17 @@ import com.codexo.notes.ui.SharedViewModel
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.snackbar.Snackbar
 
-class NotesFragment : Fragment(R.layout.fragment_notes) {
+class NotesFragment : Fragment(R.layout.fragment_notes), NotesAdapter.OnItemClickListener {
 
     private val viewModel: NotesViewModel by viewModels()
     private val sharedViewModel: SharedViewModel by viewModels()
     private var _binding: FragmentNotesBinding? = null
     private val binding
         get() = _binding
-    private val notesAdapter = NotesAdapter()
+    private val notesAdapter = NotesAdapter(this)
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-
         _binding = FragmentNotesBinding.bind(view)
 
         binding?.apply {
@@ -145,6 +144,11 @@ class NotesFragment : Fragment(R.layout.fragment_notes) {
         })
     }
 
+    private fun markAsFavorite(markedFavorite: Boolean, id: Long) {
+        viewModel.markAsFavorite(markedFavorite, id)
+
+    }
+
     override fun onDestroyView() {
         super.onDestroyView()
         _binding = null
@@ -158,4 +162,8 @@ class NotesFragment : Fragment(R.layout.fragment_notes) {
         super.onResume()
         viewModel.allNotes.observe(viewLifecycleOwner) { notesAdapter.setData(it) }
     }
+
+    override fun onFavoriteClicked(markedFavorite: Boolean, id: Long) {
+        markAsFavorite(markedFavorite, id)
+    }
 }

app/src/main/java/com/codexo/notes/ui/notes/NotesFragment.kt

@@ -6,6 +6,7 @@ import androidx.lifecycle.LiveData
 import androidx.lifecycle.viewModelScope
 import com.codexo.notes.data.Note
 import com.codexo.notes.data.NoteDatabase
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 class NotesViewModel constructor(application: Application) : AndroidViewModel(application) {
@@ -23,6 +24,9 @@ class NotesViewModel constructor(application: Application) : AndroidViewModel(ap
 
     fun deleteAllNotes() = viewModelScope.launch { noteDao.clearNotes() }
 
+    fun markAsFavorite(fave: Boolean, id: Long) =
+        viewModelScope.launch(Dispatchers.IO) { noteDao.markAsFavorite(fave, id) }
+
     fun initDummyNote() = viewModelScope.launch {
         noteDao.insert(
             Note(

app/src/main/java/com/codexo/notes/ui/notes/NotesViewModel.kt

@@ -3,7 +3,7 @@
     android:height="24dp"
     android:viewportWidth="24"
     android:viewportHeight="24"
-    android:tint="@color/white">
+    android:tint="@color/golden">
   <path
       android:fillColor="@android:color/white"
       android:pathData="M22,9.24l-7.19,-0.62L12,2 9.19,8.63 2,9.24l5.46,4.73L5.82,21 12,17.27 18.18,21l-1.63,-7.03L22,9.24zM12,15.4l-3.76,2.27 1,-4.28 -3.32,-2.88 4.38,-0.38L12,6.1l1.71,4.04 4.38,0.38 -3.32,2.88 1,4.28L12,15.4z"/>

app/src/main/res/drawable/ic_favorite_off.xml

@@ -15,7 +15,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             app:lottie_autoPlay="false"
-            app:lottie_loop="true"
+            app:lottie_loop="false"
             app:lottie_rawRes="@raw/ic_no_data" />
 
         <androidx.recyclerview.widget.RecyclerView

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

@@ -39,8 +39,9 @@
             <ImageView
                 android:id="@+id/iv_favorite"
                 style="@style/FavoriteStyle"
-                android:marked_favorite="@{Note.favorite}"
+                android:is_favorite="@{Note.favorite}"
                 android:src="@drawable/selector_favorite"
+                tools:src="@drawable/ic_favorite_on"
                 app:layout_constraintBottom_toBottomOf="@+id/tv_title"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toTopOf="@+id/tv_title"