Add support for viewing folders as dialogs

app/build.gradle

@@ -63,7 +63,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.github.SimpleMobileTools:Simple-Commons:fad9b2cdb0'
+    implementation 'com.github.SimpleMobileTools:Simple-Commons:2a2c17151e'
 
     kapt "androidx.room:room-compiler:2.5.2"
     implementation "androidx.room:room-runtime:2.5.2"

app/src/main/kotlin/com/simplemobiletools/launcher/activities/MainActivity.kt

@@ -37,6 +37,7 @@ import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.launcher.BuildConfig
 import com.simplemobiletools.launcher.R
+import com.simplemobiletools.launcher.dialogs.FolderIconsDialog
 import com.simplemobiletools.launcher.dialogs.RenameItemDialog
 import com.simplemobiletools.launcher.extensions.*
 import com.simplemobiletools.launcher.fragments.AllAppsFragment
@@ -44,6 +45,7 @@ import com.simplemobiletools.launcher.fragments.MyFragment
 import com.simplemobiletools.launcher.fragments.WidgetsFragment
 import com.simplemobiletools.launcher.helpers.*
 import com.simplemobiletools.launcher.interfaces.FlingListener
+import com.simplemobiletools.launcher.interfaces.ItemMenuListener
 import com.simplemobiletools.launcher.models.AppLauncher
 import com.simplemobiletools.launcher.models.HiddenIcon
 import com.simplemobiletools.launcher.models.HomeScreenGridItem
@@ -64,6 +66,7 @@ class MainActivity : SimpleActivity(), FlingListener {
     private var mIgnoreMoveEvents = false
     private var mLongPressedIcon: HomeScreenGridItem? = null
     private var mOpenPopupMenu: PopupMenu? = null
+    private var mOpenFolderDialog: FolderIconsDialog? = null
     private var mCachedLaunchers = ArrayList<AppLauncher>()
     private var mLastTouchCoords = Pair(-1f, -1f)
     private var mActionOnCanBindWidget: ((granted: Boolean) -> Unit)? = null
@@ -72,6 +75,52 @@ class MainActivity : SimpleActivity(), FlingListener {
 
     private lateinit var mDetector: GestureDetectorCompat
 
+    val menuListener: ItemMenuListener = object : ItemMenuListener {
+        override fun onAnyClick() {
+            resetFragmentTouches()
+        }
+
+        override fun hide(gridItem: HomeScreenGridItem) {
+            hideIcon(gridItem)
+        }
+
+        override fun rename(gridItem: HomeScreenGridItem) {
+            renameItem(gridItem)
+        }
+
+        override fun resize(gridItem: HomeScreenGridItem) {
+            home_screen_grid.widgetLongPressed(gridItem)
+        }
+
+        override fun appInfo(gridItem: HomeScreenGridItem) {
+            launchAppInfo(gridItem.packageName)
+        }
+
+        override fun remove(gridItem: HomeScreenGridItem) {
+            home_screen_grid.removeAppIcon(gridItem)
+        }
+
+        override fun uninstall(gridItem: HomeScreenGridItem) {
+            uninstallApp(gridItem.packageName)
+        }
+
+        override fun onDismiss() {
+            mOpenPopupMenu = null
+            resetFragmentTouches()
+        }
+
+        override fun beforeShow(menu: Menu) {
+            var visibleMenuItems = 0
+            for (item in menu.iterator()) {
+                if (item.isVisible) {
+                    visibleMenuItems++
+                }
+            }
+            val yOffset = resources.getDimension(R.dimen.long_press_anchor_button_offset_y) * (visibleMenuItems - 1)
+            home_screen_popup_menu_anchor.y -= yOffset
+        }
+    }
+
     companion object {
         private var mLastUpEvent = 0L
         private const val ANIMATION_DURATION = 150L
@@ -330,11 +379,12 @@ class MainActivity : SimpleActivity(), FlingListener {
                     hasFingerMoved(event)
                 }
 
-                if (mLongPressedIcon != null && mOpenPopupMenu != null && hasFingerMoved) {
+                if (mLongPressedIcon != null && (mOpenPopupMenu != null || mOpenFolderDialog != null) && hasFingerMoved) {
                     mOpenPopupMenu?.dismiss()
                     mOpenPopupMenu = null
                     home_screen_grid.itemDraggingStarted(mLongPressedIcon!!)
                     hideFragment(all_apps_fragment)
+                    mOpenFolderDialog?.dismiss()
                 }
 
                 if (mLongPressedIcon != null && hasFingerMoved) {
@@ -385,6 +435,7 @@ class MainActivity : SimpleActivity(), FlingListener {
         return true
     }
 
+
     // some devices ACTION_MOVE keeps triggering for the whole long press duration, but we are interested in real moves only, when coords change
     private fun hasFingerMoved(event: MotionEvent) = mTouchDownX != -1 && mTouchDownY != -1 &&
         ((Math.abs(mTouchDownX - event.x) > mMoveGestureThreshold) || (Math.abs(mTouchDownY - event.y) > mMoveGestureThreshold))
@@ -405,6 +456,7 @@ class MainActivity : SimpleActivity(), FlingListener {
 
         if (hasDeletedAnything) {
             home_screen_grid.fetchGridItems()
+            mOpenFolderDialog?.fetchItems()
         }
 
         mCachedLaunchers = launchers
@@ -500,9 +552,10 @@ class MainActivity : SimpleActivity(), FlingListener {
     }
 
     private fun performItemClick(clickedGridItem: HomeScreenGridItem) {
-        if (clickedGridItem.type == ITEM_TYPE_ICON) {
+        when (clickedGridItem.type) {
-            launchApp(clickedGridItem.packageName, clickedGridItem.activityName)
+            ITEM_TYPE_ICON -> launchApp(clickedGridItem.packageName, clickedGridItem.activityName)
-        } else if (clickedGridItem.type == ITEM_TYPE_SHORTCUT) {
+            ITEM_TYPE_FOLDER -> showFolderDialog(clickedGridItem)
+            ITEM_TYPE_SHORTCUT -> {
                 val id = clickedGridItem.shortcutId
                 val packageName = clickedGridItem.packageName
                 val userHandle = android.os.Process.myUserHandle()
@@ -511,6 +564,22 @@ class MainActivity : SimpleActivity(), FlingListener {
                 launcherApps.startShortcut(packageName, id, shortcutBounds, null, userHandle)
             }
         }
+    }
+
+    private fun showFolderDialog(folder: HomeScreenGridItem) {
+        mOpenFolderDialog = FolderIconsDialog(
+            activity = this,
+            folder = folder,
+            iconWidth = home_screen_grid.getCurrentCellSize(),
+            iconPadding = home_screen_grid.getCurrentCellMargin(),
+            dismissListener = {
+                mOpenFolderDialog = null
+            },
+            itemClick = {
+                performItemClick(it)
+            }
+        )
+    }
 
     private fun performItemLongClick(x: Float, clickedGridItem: HomeScreenGridItem) {
         if (clickedGridItem.type == ITEM_TYPE_ICON || clickedGridItem.type == ITEM_TYPE_SHORTCUT) {
@@ -521,6 +590,11 @@ class MainActivity : SimpleActivity(), FlingListener {
         showHomeIconMenu(x, anchorY, clickedGridItem, false)
     }
 
+    fun startHandlingItem(gridItem: HomeScreenGridItem) {
+        mLongPressedIcon = gridItem
+        mOpenFolderDialog?.dismiss()
+    }
+
     fun showHomeIconMenu(x: Float, y: Float, gridItem: HomeScreenGridItem, isOnAllAppsFragment: Boolean) {
         home_screen_grid.hideResizeLines()
         mLongPressedIcon = gridItem
@@ -536,7 +610,7 @@ class MainActivity : SimpleActivity(), FlingListener {
         home_screen_popup_menu_anchor.y = anchorY
 
         if (mOpenPopupMenu == null) {
-            mOpenPopupMenu = handleGridItemPopupMenu(home_screen_popup_menu_anchor, gridItem, isOnAllAppsFragment)
+            mOpenPopupMenu = handleGridItemPopupMenu(home_screen_popup_menu_anchor, gridItem, isOnAllAppsFragment, menuListener)
         }
     }
 
@@ -564,52 +638,6 @@ class MainActivity : SimpleActivity(), FlingListener {
         }
     }
 
-    private fun handleGridItemPopupMenu(anchorView: View, gridItem: HomeScreenGridItem, isOnAllAppsFragment: Boolean): PopupMenu {
-
-        val contextTheme = ContextThemeWrapper(this, getPopupMenuTheme())
-        return PopupMenu(contextTheme, anchorView, Gravity.TOP or Gravity.END).apply {
-            if (isQPlus()) {
-                setForceShowIcon(true)
-            }
-
-            inflate(R.menu.menu_app_icon)
-            menu.findItem(R.id.rename).isVisible = gridItem.type == ITEM_TYPE_ICON && !isOnAllAppsFragment
-            menu.findItem(R.id.hide_icon).isVisible = gridItem.type == ITEM_TYPE_ICON && isOnAllAppsFragment
-            menu.findItem(R.id.resize).isVisible = gridItem.type == ITEM_TYPE_WIDGET
-            menu.findItem(R.id.app_info).isVisible = gridItem.type == ITEM_TYPE_ICON
-            menu.findItem(R.id.uninstall).isVisible = gridItem.type == ITEM_TYPE_ICON && canAppBeUninstalled(gridItem.packageName)
-            menu.findItem(R.id.remove).isVisible = !isOnAllAppsFragment
-            setOnMenuItemClickListener { item ->
-                resetFragmentTouches()
-                when (item.itemId) {
-                    R.id.hide_icon -> hideIcon(gridItem)
-                    R.id.rename -> renameItem(gridItem)
-                    R.id.resize -> home_screen_grid.widgetLongPressed(gridItem)
-                    R.id.app_info -> launchAppInfo(gridItem.packageName)
-                    R.id.remove -> home_screen_grid.removeAppIcon(gridItem)
-                    R.id.uninstall -> uninstallApp(gridItem.packageName)
-                }
-                true
-            }
-
-            setOnDismissListener {
-                mOpenPopupMenu = null
-                resetFragmentTouches()
-            }
-
-            var visibleMenuItems = 0
-            for (item in menu.iterator()) {
-                if (item.isVisible) {
-                    visibleMenuItems++
-                }
-            }
-            val yOffset = resources.getDimension(R.dimen.long_press_anchor_button_offset_y) * (visibleMenuItems - 1)
-            anchorView.y -= yOffset
-
-            show()
-        }
-    }
-
     private fun resetFragmentTouches() {
         (widgets_fragment as WidgetsFragment).apply {
             touchDownY = -1

app/src/main/kotlin/com/simplemobiletools/launcher/adapters/FolderIconsAdapter.kt

@@ -0,0 +1,111 @@
+package com.simplemobiletools.launcher.adapters
+
+import android.view.Menu
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.iterator
+import com.simplemobiletools.commons.activities.BaseSimpleActivity
+import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
+import com.simplemobiletools.commons.views.MyRecyclerView
+import com.simplemobiletools.launcher.R
+import com.simplemobiletools.launcher.activities.MainActivity
+import com.simplemobiletools.launcher.extensions.handleGridItemPopupMenu
+import com.simplemobiletools.launcher.interfaces.ItemMenuListenerAdapter
+import com.simplemobiletools.launcher.models.HomeScreenGridItem
+import kotlinx.android.synthetic.main.item_launcher_label.view.launcher_icon
+import kotlinx.android.synthetic.main.item_launcher_label.view.launcher_label
+import kotlinx.android.synthetic.main.item_launcher_label.view.popup_anchor
+
+class FolderIconsAdapter(
+    activity: BaseSimpleActivity, var items: MutableList<HomeScreenGridItem>, private val iconPadding: Int,
+    recyclerView: MyRecyclerView, itemClick: (Any) -> Unit
+) : MyRecyclerViewAdapter(activity, recyclerView, itemClick) {
+
+    override fun getActionMenuId() = 0
+
+    override fun actionItemPressed(id: Int) {}
+
+    override fun getSelectableItemCount() = itemCount
+
+    override fun getIsItemSelectable(position: Int) = false
+
+    override fun getItemSelectionKey(position: Int) = items.getOrNull(position)?.id?.toInt()
+
+    override fun getItemKeyPosition(key: Int) = items.indexOfFirst { it.id?.toInt() == key }
+
+    override fun onActionModeCreated() {}
+
+    override fun onActionModeDestroyed() {}
+
+    override fun prepareActionMode(menu: Menu) {}
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        return createViewHolder(R.layout.item_launcher_label, parent)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val item = items[position]
+        setupView(holder.itemView, item)
+        bindViewHolder(holder)
+    }
+
+    override fun getItemCount() = items.size
+
+    private fun removeItem(item: HomeScreenGridItem) {
+        val position = items.indexOfFirst { it.id == item.id }
+        items.removeAt(position)
+        notifyItemRemoved(position)
+    }
+
+    private fun setupView(view: View, item: HomeScreenGridItem) {
+        view.apply {
+            launcher_label.text = item.title
+            launcher_label.setTextColor(textColor)
+            launcher_icon.setPadding(iconPadding, iconPadding, iconPadding, 0)
+            launcher_icon.setImageDrawable(item.drawable)
+
+            val mainListener = (activity as? MainActivity)?.menuListener
+
+            setOnClickListener { itemClick(item) }
+            setOnLongClickListener {
+                popup_anchor.y = launcher_icon.y
+                activity.handleGridItemPopupMenu(popup_anchor, item, false, object : ItemMenuListenerAdapter() {
+                    override fun appInfo(gridItem: HomeScreenGridItem) {
+                        mainListener?.appInfo(gridItem)
+                    }
+
+                    override fun remove(gridItem: HomeScreenGridItem) {
+                        mainListener?.remove(gridItem)
+                        removeItem(gridItem)
+                    }
+
+                    override fun uninstall(gridItem: HomeScreenGridItem) {
+                        mainListener?.uninstall(gridItem)
+                    }
+
+                    override fun rename(gridItem: HomeScreenGridItem) {
+                        mainListener?.rename(gridItem)
+                    }
+
+                    override fun beforeShow(menu: Menu) {
+                        var visibleMenuItems = 0
+                        for (menuItem in menu.iterator()) {
+                            if (menuItem.isVisible) {
+                                visibleMenuItems++
+                            }
+                        }
+                        val yOffset = resources.getDimension(R.dimen.long_press_anchor_button_offset_y) * (visibleMenuItems - 1)
+                        popup_anchor.y -= yOffset
+                    }
+                })
+                true
+            }
+        }
+    }
+
+    fun updateItems(items: List<HomeScreenGridItem>) {
+        this.items.clear()
+        this.items.addAll(items)
+        notifyDataSetChanged()
+    }
+}

app/src/main/kotlin/com/simplemobiletools/launcher/dialogs/FolderIconsDialog.kt

@@ -0,0 +1,86 @@
+package com.simplemobiletools.launcher.dialogs
+
+import android.graphics.drawable.BitmapDrawable
+import android.view.View
+import androidx.appcompat.app.AlertDialog
+import com.simplemobiletools.commons.activities.BaseSimpleActivity
+import com.simplemobiletools.commons.extensions.getAlertDialogBuilder
+import com.simplemobiletools.commons.extensions.setupDialogStuff
+import com.simplemobiletools.commons.helpers.ensureBackgroundThread
+import com.simplemobiletools.commons.views.AutoGridLayoutManager
+import com.simplemobiletools.launcher.R
+import com.simplemobiletools.launcher.adapters.FolderIconsAdapter
+import com.simplemobiletools.launcher.extensions.getDrawableForPackageName
+import com.simplemobiletools.launcher.extensions.homeScreenGridItemsDB
+import com.simplemobiletools.launcher.helpers.ITEM_TYPE_ICON
+import com.simplemobiletools.launcher.helpers.ITEM_TYPE_SHORTCUT
+import com.simplemobiletools.launcher.models.HomeScreenGridItem
+import kotlinx.android.synthetic.main.dialog_folder_icons.view.dialog_folder_icons_grid
+
+class FolderIconsDialog(
+    val activity: BaseSimpleActivity,
+    private val folder: HomeScreenGridItem,
+    private val iconWidth: Int,
+    private val iconPadding: Int,
+    private val dismissListener: () -> Unit,
+    private val itemClick: (HomeScreenGridItem) -> Unit
+) {
+    private var dialog: AlertDialog? = null
+    private val view: View = activity.layoutInflater.inflate(R.layout.dialog_folder_icons, null)
+
+    init {
+
+        view.dialog_folder_icons_grid.layoutManager = AutoGridLayoutManager(activity, iconWidth)
+
+        ensureBackgroundThread {
+            val items = activity.homeScreenGridItemsDB.getFolderItems(folder.id!!)
+            items.forEach { item ->
+                if (item.type == ITEM_TYPE_ICON) {
+                    item.drawable = activity.getDrawableForPackageName(item.packageName)
+                } else if (item.type == ITEM_TYPE_SHORTCUT) {
+                    item.drawable = BitmapDrawable(item.icon)
+                }
+            }
+            activity.runOnUiThread {
+                initDialog(items, view)
+            }
+        }
+    }
+
+    private fun initDialog(items: List<HomeScreenGridItem>, view: View) {
+        view.dialog_folder_icons_grid.adapter = FolderIconsAdapter(activity, items.toMutableList(), iconPadding, view.dialog_folder_icons_grid) {
+            it as HomeScreenGridItem
+            itemClick(it)
+            dialog?.dismiss()
+        }
+
+        activity.getAlertDialogBuilder()
+            .setNegativeButton(R.string.cancel, null)
+            .setOnDismissListener { dismissListener() }
+            .apply {
+                activity.setupDialogStuff(view, this, 0, folder.title) { alertDialog ->
+                    dialog = alertDialog
+                }
+            }
+    }
+
+    fun fetchItems() {
+        ensureBackgroundThread {
+            val items = activity.homeScreenGridItemsDB.getFolderItems(folder.id!!)
+            items.forEach { item ->
+                if (item.type == ITEM_TYPE_ICON) {
+                    item.drawable = activity.getDrawableForPackageName(item.packageName)
+                } else if (item.type == ITEM_TYPE_SHORTCUT) {
+                    item.drawable = BitmapDrawable(item.icon)
+                }
+            }
+            activity.runOnUiThread {
+                (view.dialog_folder_icons_grid.adapter as FolderIconsAdapter).updateItems(items)
+            }
+        }
+    }
+
+    fun dismiss() {
+        dialog?.dismiss()
+    }
+}

app/src/main/kotlin/com/simplemobiletools/launcher/extensions/Activity.kt

@@ -6,9 +6,21 @@ import android.content.Intent
 import android.content.pm.ApplicationInfo
 import android.net.Uri
 import android.provider.Settings
+import android.view.ContextThemeWrapper
+import android.view.Gravity
+import android.view.View
+import android.widget.PopupMenu
+import com.simplemobiletools.commons.extensions.getPopupMenuTheme
 import com.simplemobiletools.commons.extensions.showErrorToast
+import com.simplemobiletools.commons.helpers.isQPlus
+import com.simplemobiletools.launcher.R
 import com.simplemobiletools.launcher.activities.SettingsActivity
+import com.simplemobiletools.launcher.helpers.ITEM_TYPE_FOLDER
+import com.simplemobiletools.launcher.helpers.ITEM_TYPE_ICON
+import com.simplemobiletools.launcher.helpers.ITEM_TYPE_WIDGET
 import com.simplemobiletools.launcher.helpers.UNINSTALL_APP_REQUEST_CODE
+import com.simplemobiletools.launcher.interfaces.ItemMenuListener
+import com.simplemobiletools.launcher.models.HomeScreenGridItem
 
 fun Activity.launchApp(packageName: String, activityName: String) {
     // if this is true, launch the app settings
@@ -56,3 +68,40 @@ fun Activity.uninstallApp(packageName: String) {
         startActivityForResult(this, UNINSTALL_APP_REQUEST_CODE)
     }
 }
+
+fun Activity.handleGridItemPopupMenu(anchorView: View, gridItem: HomeScreenGridItem, isOnAllAppsFragment: Boolean, listener: ItemMenuListener): PopupMenu {
+    val contextTheme = ContextThemeWrapper(this, getPopupMenuTheme())
+    return PopupMenu(contextTheme, anchorView, Gravity.TOP or Gravity.END).apply {
+        if (isQPlus()) {
+            setForceShowIcon(true)
+        }
+
+        inflate(R.menu.menu_app_icon)
+        menu.findItem(R.id.rename).isVisible = (gridItem.type == ITEM_TYPE_ICON || gridItem.type == ITEM_TYPE_FOLDER) && !isOnAllAppsFragment
+        menu.findItem(R.id.hide_icon).isVisible = gridItem.type == ITEM_TYPE_ICON && isOnAllAppsFragment
+        menu.findItem(R.id.resize).isVisible = gridItem.type == ITEM_TYPE_WIDGET
+        menu.findItem(R.id.app_info).isVisible = gridItem.type == ITEM_TYPE_ICON
+        menu.findItem(R.id.uninstall).isVisible = gridItem.type == ITEM_TYPE_ICON && canAppBeUninstalled(gridItem.packageName)
+        menu.findItem(R.id.remove).isVisible = !isOnAllAppsFragment
+        setOnMenuItemClickListener { item ->
+            listener.onAnyClick()
+            when (item.itemId) {
+                R.id.hide_icon -> listener.hide(gridItem)
+                R.id.rename -> listener.rename(gridItem)
+                R.id.resize -> listener.resize(gridItem)
+                R.id.app_info -> listener.appInfo(gridItem)
+                R.id.remove -> listener.remove(gridItem)
+                R.id.uninstall -> listener.uninstall(gridItem)
+            }
+            true
+        }
+
+        setOnDismissListener {
+            listener.onDismiss()
+        }
+
+        listener.beforeShow(menu)
+
+        show()
+    }
+}

app/src/main/kotlin/com/simplemobiletools/launcher/interfaces/HomeScreenGridItemsDao.kt

@@ -8,6 +8,9 @@ interface HomeScreenGridItemsDao {
     @Query("SELECT * FROM home_screen_grid_items")
     fun getAllItems(): List<HomeScreenGridItem>
 
+    @Query("SELECT * FROM home_screen_grid_items WHERE parent_id = :folderId")
+    fun getFolderItems(folderId: Long): List<HomeScreenGridItem>
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(item: HomeScreenGridItem): Long
 

app/src/main/kotlin/com/simplemobiletools/launcher/interfaces/ItemMenuListener.kt

@@ -0,0 +1,28 @@
+package com.simplemobiletools.launcher.interfaces
+
+import android.view.Menu
+import com.simplemobiletools.launcher.models.HomeScreenGridItem
+
+interface ItemMenuListener {
+    fun onAnyClick()
+    fun hide(gridItem: HomeScreenGridItem)
+    fun rename(gridItem: HomeScreenGridItem)
+    fun resize(gridItem: HomeScreenGridItem)
+    fun appInfo(gridItem: HomeScreenGridItem)
+    fun remove(gridItem: HomeScreenGridItem)
+    fun uninstall(gridItem: HomeScreenGridItem)
+    fun onDismiss()
+    fun beforeShow(menu: Menu)
+}
+
+abstract class ItemMenuListenerAdapter : ItemMenuListener {
+    override fun onAnyClick() = Unit
+    override fun hide(gridItem: HomeScreenGridItem) = Unit
+    override fun rename(gridItem: HomeScreenGridItem) = Unit
+    override fun resize(gridItem: HomeScreenGridItem) = Unit
+    override fun appInfo(gridItem: HomeScreenGridItem) = Unit
+    override fun remove(gridItem: HomeScreenGridItem) = Unit
+    override fun uninstall(gridItem: HomeScreenGridItem) = Unit
+    override fun onDismiss() = Unit
+    override fun beforeShow(menu: Menu) = Unit
+}

app/src/main/kotlin/com/simplemobiletools/launcher/views/HomeScreenGrid.kt

@@ -20,7 +20,6 @@ import android.util.Size
 import android.util.SizeF
 import android.view.View
 import android.widget.RelativeLayout
-import androidx.core.content.res.ResourcesCompat
 import androidx.core.graphics.drawable.toBitmap
 import androidx.core.graphics.drawable.toDrawable
 import androidx.core.view.ViewCompat
@@ -1186,6 +1185,10 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
 
     fun getCurrentIconSize(): Int = iconSize
 
+    fun getCurrentCellSize(): Int = cellWidth
+
+    fun getCurrentCellMargin(): Int = iconMargin
+
     private fun handlePageChange(redraw: Boolean = false) {
         pageChangeEnabled = false
         pageChangeIndicatorsAlpha = 0f

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

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout 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/dialog_folder_icons_holder"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <androidx.core.widget.NestedScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginStart="@dimen/small_margin"
+        android:layout_marginTop="@dimen/medium_margin"
+        android:layout_marginEnd="@dimen/small_margin"
+        android:minHeight="@dimen/min_folder_view_height"
+        app:layout_constraintHeight_max="@dimen/max_folder_view_height">
+
+        <com.simplemobiletools.commons.views.MyRecyclerView
+            android:id="@+id/dialog_folder_icons_grid"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:itemCount="10"
+            tools:listitem="@layout/item_launcher_label" />
+
+    </androidx.core.widget.NestedScrollView>
+</FrameLayout>

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

@@ -27,4 +27,10 @@
         android:maxLines="2"
         android:textSize="@dimen/smaller_text_size" />
 
+    <View
+        android:id="@+id/popup_anchor"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:gravity="center_horizontal|top" />
+
 </RelativeLayout>

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

@@ -9,4 +9,6 @@
     <dimen name="page_indicator_dot_radius">6dp</dimen>
     <dimen name="page_indicator_stroke_width">1dp</dimen>
     <dimen name="page_indicator_margin">6dp</dimen>
+    <dimen name="min_folder_view_height">200dp</dimen>
+    <dimen name="max_folder_view_height">500dp</dimen>
 </resources>