updating Commons with AndroidX and recyclerview-selector

2025-06-05 22:09:15 +02:00 · 2018-10-09 23:09:52 +02:00
parent 1fa30b26d0
commit f00f0e1e60
18 changed files with 139 additions and 123 deletions
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -22,7 +22,7 @@ android {

    buildTypes {
        debug {
-	        applicationIdSuffix ".debug"
+            applicationIdSuffix ".debug"
        }
        release {
            minifyEnabled true
@@ -42,7 +42,7 @@ android {
 }

 dependencies {
-    implementation 'com.simplemobiletools:commons:4.8.8'
+    implementation 'com.simplemobiletools:commons:4.9.18'

    implementation files('../libs/RootTools.jar')
 }
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -99,7 +99,7 @@
            android:parentActivityName="com.simplemobiletools.commons.activities.AboutActivity"/>

        <provider
-            android:name="android.support.v4.content.FileProvider"
+            android:name="androidx.core.content.FileProvider"
            android:authorities="${applicationId}.provider"
            android:exported="false"
            android:grantUriPermissions="true">
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/FavoritesActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/FavoritesActivity.kt
@@ -37,6 +37,7 @@ class FavoritesActivity : SimpleActivity(), RefreshRecyclerViewListener {

        ManageFavoritesAdapter(this, favorites, this, manage_favorites_list) { }.apply {
            manage_favorites_list.adapter = this
+            initSelectionTracker()
        }
    }

--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/MainActivity.kt
@@ -8,10 +8,10 @@ import android.content.Intent
 import android.media.RingtoneManager
 import android.os.Bundle
 import android.os.Handler
-import android.support.v4.view.MenuItemCompat
-import android.support.v7.widget.SearchView
 import android.view.Menu
 import android.view.MenuItem
+import androidx.appcompat.widget.SearchView
+import androidx.core.view.MenuItemCompat
 import com.simplemobiletools.commons.dialogs.RadioGroupDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.*
@@ -26,7 +26,7 @@ import com.simplemobiletools.filemanager.fragments.ItemsFragment
 import com.simplemobiletools.filemanager.helpers.RootHelpers
 import com.stericson.RootTools.RootTools
 import kotlinx.android.synthetic.main.activity_main.*
-import kotlinx.android.synthetic.main.items_fragment.*
+import kotlinx.android.synthetic.main.items_fragment.view.*
 import java.io.File
 import java.util.*

@@ -258,7 +258,7 @@ class MainActivity : SimpleActivity() {
    }

    override fun onBackPressed() {
-        if (fragment.breadcrumbs.childCount <= 1) {
+        if (fragment.mView.breadcrumbs.childCount <= 1) {
            if (!wasBackJustPressed) {
                wasBackJustPressed = true
                toast(R.string.press_back_again)
@@ -269,8 +269,8 @@ class MainActivity : SimpleActivity() {
                finish()
            }
        } else {
-            fragment.breadcrumbs.removeBreadcrumb()
-            openPath(fragment.breadcrumbs.getLastItem().path)
+            fragment.mView.breadcrumbs.removeBreadcrumb()
+            openPath(fragment.mView.breadcrumbs.getLastItem().path)
        }
    }

--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/ReadTextActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/activities/ReadTextActivity.kt
@@ -4,10 +4,10 @@ import android.app.SearchManager
 import android.content.Context
 import android.net.Uri
 import android.os.Bundle
-import android.support.v4.view.MenuItemCompat
-import android.support.v7.widget.SearchView
 import android.view.Menu
 import android.view.MenuItem
+import androidx.appcompat.widget.SearchView
+import androidx.core.view.MenuItemCompat
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.PERMISSION_WRITE_STORAGE
 import com.simplemobiletools.commons.helpers.REAL_FILE_PATH
@@ -62,7 +62,7 @@ class ReadTextActivity : SimpleActivity() {
        (searchMenuItem!!.actionView as SearchView).apply {
            setSearchableInfo(searchManager.getSearchableInfo(componentName))
            isSubmitButtonEnabled = false
-            setOnQueryTextListener(object : android.support.v7.widget.SearchView.OnQueryTextListener {
+            setOnQueryTextListener(object : SearchView.OnQueryTextListener {
                override fun onQueryTextSubmit(query: String) = false

                override fun onQueryTextChange(newText: String): Boolean {
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ItemsAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ItemsAdapter.kt
@@ -17,6 +17,7 @@ import com.simplemobiletools.commons.dialogs.*
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.CONFLICT_OVERWRITE
 import com.simplemobiletools.commons.helpers.CONFLICT_SKIP
+import com.simplemobiletools.commons.helpers.FileDirItemKeyProvider
 import com.simplemobiletools.commons.helpers.OTG_PATH
 import com.simplemobiletools.commons.models.FileDirItem
 import com.simplemobiletools.commons.models.RadioItem
@@ -50,7 +51,6 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    var adjustedPrimaryColor = activity.getAdjustedPrimaryColor()

    init {
-        setupDragListener(true)
        initDrawables()
    }

@@ -59,7 +59,7 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    override fun prepareActionMode(menu: Menu) {
        menu.apply {
            findItem(R.id.cab_rename).isVisible = isOneItemSelected()
-            findItem(R.id.cab_decompress).isVisible = getSelectedMedia().map { it.path }.any { it.isZipFile() }
+            findItem(R.id.cab_decompress).isVisible = getSelectedFileDirItems().map { it.path }.any { it.isZipFile() }
            findItem(R.id.cab_confirm_selection).isVisible = isPickMultipleIntent
            findItem(R.id.cab_copy_path).isVisible = isOneItemSelected()
            findItem(R.id.cab_open_with).isVisible = isOneFileSelected()
@@ -70,14 +70,8 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
        }
    }

-    override fun prepareItemSelection(viewHolder: ViewHolder) {}
-
-    override fun markViewHolderSelection(select: Boolean, viewHolder: ViewHolder?) {
-        viewHolder?.itemView?.item_frame?.isSelected = select
-    }
-
    override fun actionItemPressed(id: Int) {
-        if (selectedPositions.isEmpty()) {
+        if (getSelectedKeys().isEmpty) {
            return
        }

@@ -105,18 +99,24 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD

    override fun getIsItemSelectable(position: Int) = true

+    override fun getItemSelectionKey(position: Int) = fileDirItems[position].path
+
+    override fun getItemSelectionKeyProvider() = FileDirItemKeyProvider(fileDirItems)
+
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = createViewHolder(R.layout.list_item, parent)

    override fun onBindViewHolder(holder: MyRecyclerViewAdapter.ViewHolder, position: Int) {
        val fileDirItem = fileDirItems[position]
-        val view = holder.bindView(fileDirItem, true, true) { itemView, layoutPosition ->
-            setupView(itemView, fileDirItem)
+        holder.bindView(fileDirItem, true, true) { itemView, layoutPosition ->
+            setupView(itemView, fileDirItem, isKeySelected(fileDirItem.path))
        }
-        bindViewHolder(holder, position, view)
+        bindViewHolder(holder)
    }

    override fun getItemCount() = fileDirItems.size

+    private fun getItemWithKey(key: String): FileDirItem? = fileDirItems.firstOrNull { it.path == key }
+
    fun initDrawables() {
        folderDrawable = activity.resources.getColoredDrawableWithColor(R.drawable.ic_folder, textColor)
        fileDrawable = activity.resources.getColoredDrawableWithColor(R.drawable.ic_file, textColor)
@@ -124,12 +124,12 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
        fileDrawable.alpha = 180
    }

-    private fun isOneFileSelected() = isOneItemSelected() && !fileDirItems[selectedPositions.first()].isDirectory
+    private fun isOneFileSelected() = isOneItemSelected() && getItemWithKey(getSelectedKeys().first())?.isDirectory == false

    private fun checkHideBtnVisibility(menu: Menu) {
        var hiddenCnt = 0
        var unhiddenCnt = 0
-        selectedPositions.mapNotNull { fileDirItems.getOrNull(it)?.name }.forEach {
+        getSelectedFileDirItems().map { it.name }.forEach {
            if (it.startsWith(".")) {
                hiddenCnt++
            } else {
@@ -142,14 +142,14 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    }

    private fun confirmSelection() {
-        if (selectedPositions.isNotEmpty()) {
-            val paths = getSelectedMedia().filter { !it.isDirectory }.map { it.path } as ArrayList<String>
+        if (!getSelectedKeys().isEmpty) {
+            val paths = getSelectedFileDirItems().filter { !it.isDirectory }.map { it.path } as ArrayList<String>
            listener?.selectedPaths(paths)
        }
    }

    private fun displayRenameDialog() {
-        val oldPath = getSelectedMedia()[0].path
+        val oldPath = getSelectedFileDirItems()[0].path
        RenameItemDialog(activity, oldPath) {
            activity.config.moveFavorite(oldPath, it)
            activity.runOnUiThread {
@@ -160,17 +160,16 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    }

    private fun showProperties() {
-        if (selectedPositions.size <= 1) {
-            PropertiesDialog(activity, fileDirItems[selectedPositions.first()].path, activity.config.shouldShowHidden)
+        if (getSelectedKeys().size() <= 1) {
+            PropertiesDialog(activity, getFirstSelectedItemPath(), activity.config.shouldShowHidden)
        } else {
-            val paths = ArrayList<String>()
-            selectedPositions.forEach { paths.add(fileDirItems[it].path) }
+            val paths = getSelectedFileDirItems().map { it.path }
            PropertiesDialog(activity, paths, activity.config.shouldShowHidden)
        }
    }

    private fun shareFiles() {
-        val selectedItems = getSelectedMedia()
+        val selectedItems = getSelectedFileDirItems()
        val paths = ArrayList<String>(selectedItems.size)
        selectedItems.forEach {
            addFileUris(it.path, paths)
@@ -180,7 +179,7 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD

    private fun toggleFileVisibility(hide: Boolean) {
        Thread {
-            getSelectedMedia().forEach {
+            getSelectedFileDirItems().forEach {
                activity.toggleItemVisibility(it.path, hide)
            }
            activity.runOnUiThread {
@@ -194,7 +193,7 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
        if (activity.getIsPathDirectory(path)) {
            val shouldShowHidden = activity.config.shouldShowHidden
            if (path.startsWith(OTG_PATH)) {
-                activity.getDocumentFile(path)?.listFiles()?.filter { if (shouldShowHidden) true else !it.name.startsWith(".") }?.forEach {
+                activity.getDocumentFile(path)?.listFiles()?.filter { if (shouldShowHidden) true else !it.name!!.startsWith(".") }?.forEach {
                    addFileUris(it.uri.toString(), paths)
                }
            } else {
@@ -208,19 +207,18 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    }

    private fun copyPath() {
-        val path = getSelectedMedia().first().path
-        val clip = ClipData.newPlainText(activity.getString(R.string.app_name), path)
+        val clip = ClipData.newPlainText(activity.getString(R.string.app_name), getFirstSelectedItemPath())
        (activity.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager).primaryClip = clip
        finishActMode()
        activity.toast(R.string.path_copied)
    }

    private fun setAs() {
-        activity.setAs(getSelectedMedia().first().path)
+        activity.setAs(getFirstSelectedItemPath())
    }

    private fun openWith() {
-        activity.tryOpenPathIntent(getSelectedMedia().first().path, true)
+        activity.tryOpenPathIntent(getFirstSelectedItemPath(), true)
    }

    private fun openAs() {
@@ -233,16 +231,12 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
                RadioItem(OPEN_AS_OTHER, res.getString(R.string.other_file)))

        RadioGroupDialog(activity, items) {
-            activity.tryOpenPathIntent(getSelectedMedia().first().path, false, it as Int)
+            activity.tryOpenPathIntent(getFirstSelectedItemPath(), false, it as Int)
        }
    }

    private fun copyMoveTo(isCopyOperation: Boolean) {
-        val files = ArrayList<FileDirItem>()
-        selectedPositions.forEach {
-            files.add(fileDirItems[it])
-        }
-
+        val files = getSelectedFileDirItems()
        val firstFile = files[0]
        val source = if (firstFile.isDirectory) firstFile.path else firstFile.getParentPath()
        FilePickerDialog(activity, source, false, activity.config.shouldShowHidden, true) {
@@ -277,7 +271,7 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    }

    private fun compressSelection() {
-        val firstPath = fileDirItems[selectedPositions.first()].path
+        val firstPath = getFirstSelectedItemPath()
        if (firstPath.startsWith(OTG_PATH)) {
            activity.toast(R.string.unknown_error_occurred)
            return
@@ -286,7 +280,7 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
        CompressAsDialog(activity, firstPath) {
            activity.handleSAFDialog(firstPath) {
                activity.toast(R.string.compressing)
-                val paths = selectedPositions.map { fileDirItems[it].path }
+                val paths = getSelectedFileDirItems().map { it.path }
                Thread {
                    if (compressPaths(paths, it)) {
                        activity.runOnUiThread {
@@ -303,14 +297,14 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    }

    private fun decompressSelection() {
-        val firstPath = fileDirItems[selectedPositions.first()].path
+        val firstPath = getFirstSelectedItemPath()
        if (firstPath.startsWith(OTG_PATH)) {
            activity.toast(R.string.unknown_error_occurred)
            return
        }

        activity.handleSAFDialog(firstPath) {
-            val paths = selectedPositions.map { fileDirItems[it].path }.filter { it.isZipFile() }
+            val paths = getSelectedFileDirItems().asSequence().map { it.path }.filter { it.isZipFile() }.toList()
            tryDecompressingPaths(paths) {
                if (it) {
                    activity.toast(R.string.decompression_successful)
@@ -476,7 +470,8 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    }

    private fun askConfirmDelete() {
-        val items = resources.getQuantityString(R.plurals.delete_items, selectedPositions.size, selectedPositions.size)
+        val selectionSize = getSelectedKeys().size()
+        val items = resources.getQuantityString(R.plurals.delete_items, selectionSize, selectionSize)
        val question = String.format(resources.getString(R.string.deletion_confirmation), items)
        ConfirmationDialog(activity, question) {
            deleteFiles()
@@ -484,37 +479,50 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    }

    private fun deleteFiles() {
-        if (selectedPositions.isEmpty()) {
+        val selectedKeys = getSelectedKeys()
+        if (selectedKeys.isEmpty) {
            return
        }

-        val files = ArrayList<FileDirItem>(selectedPositions.size)
-        val removeFiles = ArrayList<FileDirItem>(selectedPositions.size)
-        val SAFPath = fileDirItems[selectedPositions.first()].path
-
+        val SAFPath = getFirstSelectedItemPath()
        if (activity.isPathOnRoot(SAFPath) && !RootTools.isRootAvailable()) {
            activity.toast(R.string.rooted_device_only)
            return
        }

        activity.handleSAFDialog(SAFPath) {
-            selectedPositions.sortedDescending().forEach {
-                val file = fileDirItems[it]
-                files.add(file)
-                removeFiles.add(file)
-                activity.config.removeFavorite(file.path)
+            val files = ArrayList<FileDirItem>(selectedKeys.size())
+            val positions = ArrayList<Int>()
+            getSelectedKeys().forEach {
+                activity.config.removeFavorite(it)
+                val key = it
+                val position = fileDirItems.indexOfFirst { it.path == key }
+                if (position != -1) {
+                    positions.add(position)
+                    files.add(fileDirItems[position])
+                }
            }

-            fileDirItems.removeAll(removeFiles)
+            positions.sortDescending()
+            removeSelectedItems(positions)
            listener?.deleteFiles(files)
-            removeSelectedItems()
+            positions.forEach {
+                fileDirItems.removeAt(it)
+            }
        }
    }

-    private fun getSelectedMedia(): List<FileDirItem> {
-        val selectedMedia = ArrayList<FileDirItem>(selectedPositions.size)
-        selectedPositions.forEach { selectedMedia.add(fileDirItems[it]) }
-        return selectedMedia
+    private fun getFirstSelectedItemPath() = getSelectedFileDirItems().first().path
+
+    private fun getSelectedFileDirItems(): ArrayList<FileDirItem> {
+        val selectedKeys = getSelectedKeys()
+        val selectedFileDirItems = ArrayList<FileDirItem>(selectedKeys.size())
+        selectedKeys.forEach {
+            getItemWithKey(it)?.apply {
+                selectedFileDirItems.add(this)
+            }
+        }
+        return selectedFileDirItems
    }

    fun updateItems(newItems: ArrayList<FileDirItem>, highlightText: String = "") {
@@ -534,12 +542,13 @@ class ItemsAdapter(activity: SimpleActivity, var fileDirItems: MutableList<FileD
    override fun onViewRecycled(holder: ViewHolder) {
        super.onViewRecycled(holder)
        if (!activity.isActivityDestroyed()) {
-            Glide.with(activity).clear(holder.itemView?.item_icon!!)
+            Glide.with(activity).clear(holder.itemView.item_icon!!)
        }
    }

-    private fun setupView(view: View, fileDirItem: FileDirItem) {
+    private fun setupView(view: View, fileDirItem: FileDirItem, isSelected: Boolean) {
        view.apply {
+            item_frame.isSelected = isSelected
            val fileName = fileDirItem.name
            item_name.text = if (textToHighlight.isEmpty()) fileName else fileName.highlightTextPart(textToHighlight, adjustedPrimaryColor)
            item_name.setTextColor(textColor)
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ManageFavoritesAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ManageFavoritesAdapter.kt
@@ -5,31 +5,21 @@ import android.view.View
 import android.view.ViewGroup
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
+import com.simplemobiletools.commons.helpers.StringListKeyProvider
 import com.simplemobiletools.commons.interfaces.RefreshRecyclerViewListener
 import com.simplemobiletools.commons.views.MyRecyclerView
 import com.simplemobiletools.filemanager.R
 import com.simplemobiletools.filemanager.extensions.config
 import kotlinx.android.synthetic.main.item_manage_favorite.view.*
+import java.util.*

 class ManageFavoritesAdapter(activity: BaseSimpleActivity, var favorites: ArrayList<String>, val listener: RefreshRecyclerViewListener?,
                             recyclerView: MyRecyclerView, itemClick: (Any) -> Unit) : MyRecyclerViewAdapter(activity, recyclerView, null, itemClick) {

    private val config = activity.config

-    init {
-        setupDragListener(true)
-    }
-
    override fun getActionMenuId() = R.menu.cab_remove_only

-    override fun prepareActionMode(menu: Menu) {}
-
-    override fun prepareItemSelection(viewHolder: ViewHolder) {}
-
-    override fun markViewHolderSelection(select: Boolean, viewHolder: ViewHolder?) {
-        viewHolder?.itemView?.manage_favorite_holder?.isSelected = select
-    }
-
    override fun actionItemPressed(id: Int) {
        when (id) {
            R.id.cab_remove -> removeSelection()
@@ -40,38 +30,53 @@ class ManageFavoritesAdapter(activity: BaseSimpleActivity, var favorites: ArrayL

    override fun getIsItemSelectable(position: Int) = true

+    override fun getItemSelectionKey(position: Int) = favorites[position]
+
+    override fun getItemSelectionKeyProvider() = StringListKeyProvider(favorites)
+
+    override fun prepareActionMode(menu: Menu) {}
+
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = createViewHolder(R.layout.item_manage_favorite, parent)

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val favorite = favorites[position]
-        val view = holder.bindView(favorite, true, true) { itemView, layoutPosition ->
-            setupView(itemView, favorite)
+        holder.bindView(favorite, true, true) { itemView, layoutPosition ->
+            setupView(itemView, favorite, isKeySelected(favorite))
        }
-        bindViewHolder(holder, position, view)
+        bindViewHolder(holder)
    }

    override fun getItemCount() = favorites.size

-    private fun setupView(view: View, favorite: String) {
+    private fun setupView(view: View, favorite: String, isSelected: Boolean) {
        view.apply {
            manage_favorite_title.apply {
                text = favorite
                setTextColor(config.textColor)
            }
+
+            manage_favorite_holder?.isSelected = isSelected
        }
    }

    private fun removeSelection() {
-        val removeFavorites = ArrayList<String>(selectedPositions.size)
-
-        selectedPositions.sortedDescending().forEach {
-            val favorite = favorites[it]
-            removeFavorites.add(favorite)
-            config.removeFavorite(favorite)
+        val selectedKeys = getSelectedKeys()
+        val removeFavorites = ArrayList<String>(selectedKeys.size())
+        val positions = java.util.ArrayList<Int>()
+        getSelectedKeys().forEach {
+            val key = it
+            val position = favorites.indexOfFirst { it == key }
+            if (position != -1) {
+                positions.add(position)
+                removeFavorites.add(key)
+                config.removeFavorite(key)
+            }
        }

+        positions.sortDescending()
+        removeSelectedItems(positions)
+
        favorites.removeAll(removeFavorites)
-        removeSelectedItems()
        if (favorites.isEmpty()) {
            listener?.refreshItems()
        }
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/ChangeSortingDialog.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/ChangeSortingDialog.kt
@@ -1,6 +1,6 @@
 package com.simplemobiletools.filemanager.dialogs

-import android.support.v7.app.AlertDialog
+import androidx.appcompat.app.AlertDialog
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.extensions.setupDialogStuff
 import com.simplemobiletools.commons.helpers.*
@@ -17,7 +17,7 @@ class ChangeSortingDialog(val activity: BaseSimpleActivity, val path: String = "
        view.sorting_dialog_use_for_this_folder.isChecked = config.hasCustomSorting(path)

        AlertDialog.Builder(activity)
-                .setPositiveButton(R.string.ok, { dialog, which -> dialogConfirmed() })
+                .setPositiveButton(R.string.ok) { dialog, which -> dialogConfirmed() }
                .setNegativeButton(R.string.cancel, null)
                .create().apply {
                    activity.setupDialogStuff(view, this, R.string.sort_by)
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/CompressAsDialog.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/CompressAsDialog.kt
@@ -1,7 +1,7 @@
 package com.simplemobiletools.filemanager.dialogs

-import android.support.v7.app.AlertDialog
 import android.view.View
+import androidx.appcompat.app.AlertDialog
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.dialogs.FilePickerDialog
 import com.simplemobiletools.commons.extensions.*
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/CreateNewItemDialog.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/CreateNewItemDialog.kt
@@ -1,7 +1,7 @@
 package com.simplemobiletools.filemanager.dialogs

-import android.support.v7.app.AlertDialog
 import android.view.View
+import androidx.appcompat.app.AlertDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.filemanager.R
 import com.simplemobiletools.filemanager.activities.SimpleActivity
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/SaveAsDialog.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/SaveAsDialog.kt
@@ -1,6 +1,6 @@
 package com.simplemobiletools.filemanager.dialogs

-import android.support.v7.app.AlertDialog
+import androidx.appcompat.app.AlertDialog
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.dialogs.ConfirmationDialog
 import com.simplemobiletools.commons.dialogs.FilePickerDialog
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/extensions/Activity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/extensions/Activity.kt
@@ -3,7 +3,7 @@ package com.simplemobiletools.filemanager.extensions
 import android.app.Activity
 import android.content.Intent
 import android.net.Uri
-import android.support.v4.content.FileProvider
+import androidx.core.content.FileProvider
 import com.simplemobiletools.commons.R
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.extensions.*
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt
@@ -2,11 +2,10 @@ package com.simplemobiletools.filemanager.fragments

 import android.os.Bundle
 import android.os.Parcelable
-import android.support.v4.app.Fragment
-import android.support.v7.widget.LinearLayoutManager
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.fragment.app.Fragment
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.dialogs.StoragePickerDialog
 import com.simplemobiletools.commons.extensions.*
@@ -14,6 +13,7 @@ import com.simplemobiletools.commons.helpers.OTG_PATH
 import com.simplemobiletools.commons.helpers.SORT_BY_SIZE
 import com.simplemobiletools.commons.models.FileDirItem
 import com.simplemobiletools.commons.views.Breadcrumbs
+import com.simplemobiletools.commons.views.MyLinearLayoutManager
 import com.simplemobiletools.filemanager.R
 import com.simplemobiletools.filemanager.activities.MainActivity
 import com.simplemobiletools.filemanager.activities.SimpleActivity
@@ -25,7 +25,6 @@ import com.simplemobiletools.filemanager.extensions.tryOpenPathIntent
 import com.simplemobiletools.filemanager.helpers.PATH
 import com.simplemobiletools.filemanager.helpers.RootHelpers
 import com.simplemobiletools.filemanager.interfaces.ItemOperationsListener
-import kotlinx.android.synthetic.main.items_fragment.*
 import kotlinx.android.synthetic.main.items_fragment.view.*
 import java.io.File
 import java.util.HashMap
@@ -46,7 +45,7 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
    private var storedItems = ArrayList<FileDirItem>()
    private var storedTextColor = 0

-    private lateinit var mView: View
+    lateinit var mView: View

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
        mView = inflater.inflate(R.layout.items_fragment, container, false)!!
@@ -91,8 +90,8 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
            storedTextColor = newTextColor
        }

-        items_fastscroller.updateBubbleColors()
-        items_fastscroller.allowBubbleDisplay = context!!.config.showInfoBubble
+        mView.items_fastscroller.updateBubbleColors()
+        mView.items_fastscroller.allowBubbleDisplay = context!!.config.showInfoBubble
        if (!isFirstResume) {
            refreshItems()
        }
@@ -121,7 +120,7 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
            realPath = "/"
        }

-        scrollStates[currentPath] = getScrollState()
+        scrollStates[currentPath] = getScrollState()!!
        currentPath = realPath
        showHidden = context!!.config.shouldShowHidden
        getItems(currentPath) { originalPath, fileDirItems ->
@@ -153,9 +152,10 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
                }.apply {
                    addVerticalDividers(true)
                    items_list.adapter = this
+                    initSelectionTracker()
                }
                items_fastscroller.allowBubbleDisplay = context.config.showInfoBubble
-                items_fastscroller.setViews(items_list, items_swipe_refresh) {
+                items_fastscroller.setViews(items_list, mView.items_swipe_refresh) {
                    items_fastscroller.updateBubbleText(storedItems.getOrNull(it)?.getBubbleText() ?: "")
                }

@@ -169,7 +169,7 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb

    fun getScrollState() = getRecyclerLayoutManager().onSaveInstanceState()

-    private fun getRecyclerLayoutManager() = (mView.items_list.layoutManager as LinearLayoutManager)
+    private fun getRecyclerLayoutManager() = (mView.items_list.layoutManager as MyLinearLayoutManager)

    private fun getItems(path: String, callback: (originalPath: String, items: ArrayList<FileDirItem>) -> Unit) {
        skipItemUpdating = false
@@ -280,15 +280,16 @@ class ItemsFragment : Fragment(), ItemOperationsListener, Breadcrumbs.Breadcrumb
        }
    }

-    private fun getRecyclerAdapter() = items_list.adapter as? ItemsAdapter
+    private fun getRecyclerAdapter() = mView.items_list.adapter as? ItemsAdapter

    override fun breadcrumbClicked(id: Int) {
        if (id == 0) {
            StoragePickerDialog(activity as SimpleActivity, currentPath) {
+                getRecyclerAdapter()?.finishActMode()
                openPath(it)
            }
        } else {
-            val item = breadcrumbs.getChildAt(id).tag as FileDirItem
+            val item = mView.breadcrumbs.getChildAt(id).tag as FileDirItem
            openPath(item.path)
        }
    }
--- a/app/src/main/res/layout/activity_favorites.xml
+++ b/app/src/main/res/layout/activity_favorites.xml
@@ -11,15 +11,15 @@
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clipToPadding="false"
-        app:layoutManager="android.support.v7.widget.LinearLayoutManager"/>
+        app:layoutManager="com.simplemobiletools.commons.views.MyLinearLayoutManager"/>

    <com.simplemobiletools.commons.views.MyTextView
        android:id="@+id/manage_favorites_placeholder"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
-        android:layout_marginBottom="@dimen/small_margin"
        android:layout_marginTop="@dimen/activity_margin"
+        android:layout_marginBottom="@dimen/small_margin"
        android:gravity="center"
        android:lineSpacingExtra="@dimen/tiny_margin"
        android:paddingLeft="@dimen/activity_margin"
--- a/app/src/main/res/layout/items_fragment.xml
+++ b/app/src/main/res/layout/items_fragment.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout
+<androidx.coordinatorlayout.widget.CoordinatorLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/items_holder"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

-    <android.support.v4.widget.SwipeRefreshLayout
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
        android:id="@+id/items_swipe_refresh"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
@@ -29,23 +29,23 @@
                android:layout_below="@+id/breadcrumbs"
                android:clipToPadding="false"
                android:scrollbars="none"
-                app:layoutManager="android.support.v7.widget.LinearLayoutManager"/>
+                app:layoutManager="com.simplemobiletools.commons.views.MyLinearLayoutManager"/>

            <com.simplemobiletools.commons.views.FastScroller
                android:id="@+id/items_fastscroller"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
+                android:layout_below="@+id/breadcrumbs"
                android:layout_alignParentEnd="true"
                android:layout_alignParentRight="true"
-                android:layout_below="@+id/breadcrumbs"
-                android:paddingLeft="@dimen/normal_margin"
-                android:paddingStart="@dimen/normal_margin">
+                android:paddingStart="@dimen/normal_margin"
+                android:paddingLeft="@dimen/normal_margin">

                <include layout="@layout/fastscroller_handle_vertical"/>

            </com.simplemobiletools.commons.views.FastScroller>
        </RelativeLayout>
-    </android.support.v4.widget.SwipeRefreshLayout>
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>

    <com.simplemobiletools.commons.views.MyFloatingActionButton
        android:id="@+id/items_fab"
@@ -55,4 +55,4 @@
        android:layout_margin="@dimen/activity_margin"
        android:src="@drawable/ic_plus"/>

-</android.support.design.widget.CoordinatorLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
--- a/app/src/main/res/menu/menu.xml
+++ b/app/src/main/res/menu/menu.xml
@@ -5,7 +5,7 @@
        android:id="@+id/search"
        android:icon="@drawable/ic_search"
        android:title="@string/search"
-        app:actionViewClass="android.support.v7.widget.SearchView"
+        app:actionViewClass="androidx.appcompat.widget.SearchView"
        app:showAsAction="collapseActionView|ifRoom"/>
    <item
        android:id="@+id/go_home"
--- a/app/src/main/res/menu/menu_editor.xml
+++ b/app/src/main/res/menu/menu_editor.xml
@@ -5,7 +5,7 @@
        android:id="@+id/search"
        android:icon="@drawable/ic_search"
        android:title="@string/search"
-        app:actionViewClass="android.support.v7.widget.SearchView"
+        app:actionViewClass="androidx.appcompat.widget.SearchView"
        app:showAsAction="collapseActionView|ifRoom"/>
    <item
        android:id="@+id/menu_save"
--- a/build.gradle
+++ b/build.gradle
@@ -4,8 +4,8 @@ buildscript {
    ext.kotlin_version = '1.2.71'

    repositories {
-        jcenter()
        google()
+        jcenter()
    }

    dependencies {
@@ -19,8 +19,8 @@ buildscript {

 allprojects {
    repositories {
-        jcenter()
        google()
+        jcenter()
        maven { url "https://jitpack.io" }
    }
 }