use integers for storing selected recyclerview item keys

Author: tibbi

app/build.gradle

@@ -42,7 +42,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.0.16'
+    implementation 'com.simplemobiletools:commons:5.0.18'
 
     implementation files('../libs/RootTools.jar')
 }

app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ItemsAdapter.kt

@@ -99,9 +99,9 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
 
     override fun getIsItemSelectable(position: Int) = true
 
-    override fun getItemSelectionKey(position: Int) = fileDirItems.getOrNull(position)?.path
+    override fun getItemSelectionKey(position: Int) = fileDirItems.getOrNull(position)?.path?.hashCode()
 
-    override fun getItemKeyPosition(key: String) = fileDirItems.indexOfFirst { it.path == key }
+    override fun getItemKeyPosition(key: Int) = fileDirItems.indexOfFirst { it.path.hashCode() == key }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = createViewHolder(R.layout.list_item, parent)
 
@@ -115,7 +115,7 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
 
     override fun getItemCount() = fileDirItems.size
 
-    private fun getItemWithKey(key: String): FileDirItem? = fileDirItems.firstOrNull { it.path == key }
+    private fun getItemWithKey(key: Int): FileDirItem? = fileDirItems.firstOrNull { it.path.hashCode() == key }
 
     fun initDrawables() {
         folderDrawable = activity.resources.getColoredDrawableWithColor(R.drawable.ic_folder, textColor)
@@ -493,9 +493,9 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
             val files = ArrayList<FileDirItem>(selectedKeys.size)
             val positions = ArrayList<Int>()
             selectedKeys.forEach {
-                activity.config.removeFavorite(it)
+                activity.config.removeFavorite(getItemWithKey(it)?.path ?: "")
                 val key = it
-                val position = fileDirItems.indexOfFirst { it.path == key }
+                val position = fileDirItems.indexOfFirst { it.path.hashCode() == key }
                 if (position != -1) {
                     positions.add(position)
                     files.add(fileDirItems[position])
@@ -545,7 +545,7 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
     }
 
     private fun setupView(view: View, fileDirItem: FileDirItem) {
-        val isSelected = isKeySelected(fileDirItem.path)
+        val isSelected = isKeySelected(fileDirItem.path.hashCode())
         view.apply {
             item_frame.isSelected = isSelected
             val fileName = fileDirItem.name

app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ManageFavoritesAdapter.kt

@@ -33,9 +33,9 @@ class ManageFavoritesAdapter(activity: BaseSimpleActivity, var favorites: ArrayL
 
     override fun getIsItemSelectable(position: Int) = true
 
-    override fun getItemSelectionKey(position: Int) = favorites.getOrNull(position)
+    override fun getItemSelectionKey(position: Int) = favorites.getOrNull(position)?.hashCode()
 
-    override fun getItemKeyPosition(key: String) = favorites.indexOfFirst { it == key }
+    override fun getItemKeyPosition(key: Int) = favorites.indexOfFirst { it.hashCode() == key }
 
     override fun prepareActionMode(menu: Menu) {}
 
@@ -44,7 +44,7 @@ class ManageFavoritesAdapter(activity: BaseSimpleActivity, var favorites: ArrayL
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         val favorite = favorites[position]
         holder.bindView(favorite, true, true) { itemView, layoutPosition ->
-            setupView(itemView, favorite, isKeySelected(favorite))
+            setupView(itemView, favorite, isKeySelected(favorite.hashCode()))
         }
         bindViewHolder(holder)
     }
@@ -67,11 +67,15 @@ class ManageFavoritesAdapter(activity: BaseSimpleActivity, var favorites: ArrayL
         val positions = java.util.ArrayList<Int>()
         selectedKeys.forEach {
             val key = it
-            val position = favorites.indexOfFirst { it == key }
+            val position = favorites.indexOfFirst { it.hashCode() == key }
             if (position != -1) {
                 positions.add(position)
-                removeFavorites.add(key)
-                config.removeFavorite(key)
+
+                val favorite = getItemWithKey(key)
+                if (favorite != null) {
+                    removeFavorites.add(favorite)
+                    config.removeFavorite(favorite)
+                }
             }
         }
 
@@ -83,4 +87,6 @@ class ManageFavoritesAdapter(activity: BaseSimpleActivity, var favorites: ArrayL
             listener?.refreshItems()
         }
     }
+
+    private fun getItemWithKey(key: Int): String? = favorites.firstOrNull { it.hashCode() == key }
 }