adding a sorting menu button

app/build.gradle

@@ -56,7 +56,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.31.25'
+    implementation 'com.simplemobiletools:commons:5.31.26'
     implementation 'com.facebook.stetho:stetho:1.5.0'
     implementation 'androidx.multidex:multidex:2.0.1'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'

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

@@ -8,6 +8,7 @@ import com.simplemobiletools.applauncher.BuildConfig
 import com.simplemobiletools.applauncher.R
 import com.simplemobiletools.applauncher.adapters.LaunchersAdapter
 import com.simplemobiletools.applauncher.dialogs.AddAppLauncherDialog
+import com.simplemobiletools.applauncher.dialogs.ChangeSortingDialog
 import com.simplemobiletools.applauncher.extensions.config
 import com.simplemobiletools.applauncher.extensions.dbHelper
 import com.simplemobiletools.applauncher.extensions.getNotDisplayedLaunchers
@@ -85,6 +86,7 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
+            R.id.sort -> showSortingDialog()
             R.id.increase_column_count -> increaseColumnCount()
             R.id.reduce_column_count -> reduceColumnCount()
             R.id.settings -> launchSettings()
@@ -148,6 +150,12 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
         }
     }
 
+    private fun showSortingDialog() {
+        ChangeSortingDialog(this) {
+
+        }
+    }
+
     private fun increaseColumnCount() {
         config.columnCnt = ++(launchers_grid.layoutManager as MyGridLayoutManager).spanCount
         columnCountChanged()

app/src/main/kotlin/com/simplemobiletools/applauncher/dialogs/ChangeSortingDialog.kt

@@ -0,0 +1,71 @@
+package com.simplemobiletools.applauncher.dialogs
+
+import androidx.appcompat.app.AlertDialog
+import com.simplemobiletools.applauncher.R
+import com.simplemobiletools.applauncher.extensions.config
+import com.simplemobiletools.commons.activities.BaseSimpleActivity
+import com.simplemobiletools.commons.extensions.beGoneIf
+import com.simplemobiletools.commons.extensions.setupDialogStuff
+import com.simplemobiletools.commons.helpers.SORT_BY_CUSTOM
+import com.simplemobiletools.commons.helpers.SORT_BY_TITLE
+import com.simplemobiletools.commons.helpers.SORT_DESCENDING
+import kotlinx.android.synthetic.main.dialog_change_sorting.view.*
+
+class ChangeSortingDialog(val activity: BaseSimpleActivity, private val callback: () -> Unit) {
+    private var currSorting = 0
+    private var config = activity.config
+    private var view = activity.layoutInflater.inflate(R.layout.dialog_change_sorting, null)
+
+    init {
+        AlertDialog.Builder(activity)
+            .setPositiveButton(R.string.ok) { dialog, which -> dialogConfirmed() }
+            .setNegativeButton(R.string.cancel, null)
+            .create().apply {
+                activity.setupDialogStuff(view, this, R.string.sort_by)
+            }
+
+        currSorting = config.sorting
+        setupSortRadio()
+        setupOrderRadio()
+    }
+
+    private fun setupSortRadio() {
+        val sortingRadio = view.sorting_dialog_radio_sorting
+        sortingRadio.setOnCheckedChangeListener { group, checkedId ->
+            val isCustomSorting = checkedId == sortingRadio.sorting_dialog_radio_custom.id
+            view.sorting_dialog_radio_order.beGoneIf(isCustomSorting)
+            view.sorting_dialog_divider.beGoneIf(isCustomSorting)
+        }
+
+        val sortBtn = when {
+            currSorting and SORT_BY_TITLE != 0 -> sortingRadio.sorting_dialog_radio_title
+            else -> sortingRadio.sorting_dialog_radio_custom
+        }
+        sortBtn.isChecked = true
+    }
+
+    private fun setupOrderRadio() {
+        val orderRadio = view.sorting_dialog_radio_order
+        var orderBtn = orderRadio.sorting_dialog_radio_ascending
+
+        if (currSorting and SORT_DESCENDING != 0) {
+            orderBtn = orderRadio.sorting_dialog_radio_descending
+        }
+        orderBtn.isChecked = true
+    }
+
+    private fun dialogConfirmed() {
+        val sortingRadio = view.sorting_dialog_radio_sorting
+        var sorting = when (sortingRadio.checkedRadioButtonId) {
+            R.id.sorting_dialog_radio_title -> SORT_BY_TITLE
+            else -> SORT_BY_CUSTOM
+        }
+
+        if (view.sorting_dialog_radio_order.checkedRadioButtonId == R.id.sorting_dialog_radio_descending) {
+            sorting = sorting or SORT_DESCENDING
+        }
+
+        config.sorting = sorting
+        callback()
+    }
+}

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

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/sorting_dialog_scrollview"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:id="@+id/sorting_dialog_holder"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:paddingStart="@dimen/activity_margin"
+        android:paddingTop="@dimen/activity_margin"
+        android:paddingEnd="@dimen/activity_margin">
+
+        <RadioGroup
+            android:id="@+id/sorting_dialog_radio_sorting"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="@dimen/medium_margin">
+
+            <com.simplemobiletools.commons.views.MyCompatRadioButton
+                android:id="@+id/sorting_dialog_radio_title"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingTop="@dimen/medium_margin"
+                android:paddingBottom="@dimen/medium_margin"
+                android:text="@string/title" />
+
+            <com.simplemobiletools.commons.views.MyCompatRadioButton
+                android:id="@+id/sorting_dialog_radio_custom"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingTop="@dimen/medium_margin"
+                android:paddingBottom="@dimen/medium_margin"
+                android:text="@string/custom" />
+
+        </RadioGroup>
+
+        <include
+            android:id="@+id/sorting_dialog_divider"
+            layout="@layout/divider" />
+
+        <RadioGroup
+            android:id="@+id/sorting_dialog_radio_order"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:paddingBottom="@dimen/medium_margin">
+
+            <com.simplemobiletools.commons.views.MyCompatRadioButton
+                android:id="@+id/sorting_dialog_radio_ascending"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingTop="@dimen/medium_margin"
+                android:paddingBottom="@dimen/medium_margin"
+                android:text="@string/ascending" />
+
+            <com.simplemobiletools.commons.views.MyCompatRadioButton
+                android:id="@+id/sorting_dialog_radio_descending"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingTop="@dimen/medium_margin"
+                android:paddingBottom="@dimen/medium_margin"
+                android:text="@string/descending" />
+        </RadioGroup>
+    </LinearLayout>
+</ScrollView>

app/src/main/res/menu/menu.xml

@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/sort"
+        android:icon="@drawable/ic_sort_vector"
+        android:title="@string/sort_by"
+        app:showAsAction="ifRoom" />
     <item
         android:id="@+id/increase_column_count"
         android:title="@string/increase_column_count"