adding a setting item for changing the font size

app/build.gradle

@@ -58,7 +58,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:5.22.19'
+    implementation 'com.simplemobiletools:commons:5.22.20'
     implementation 'com.github.Stericson:RootTools:df729dcb13'
     implementation 'com.github.Stericson:RootShell:1.6'
     implementation 'com.alexvasilkov:gesture-views:2.5.2'

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/SettingsActivity.kt

@@ -5,13 +5,11 @@ import android.os.Bundle
 import android.view.Menu
 import com.simplemobiletools.commons.dialogs.ChangeDateTimeFormatDialog
 import com.simplemobiletools.commons.dialogs.ConfirmationDialog
+import com.simplemobiletools.commons.dialogs.RadioGroupDialog
 import com.simplemobiletools.commons.dialogs.SecurityDialog
-import com.simplemobiletools.commons.extensions.beVisibleIf
+import com.simplemobiletools.commons.extensions.*
-import com.simplemobiletools.commons.extensions.getAdjustedPrimaryColor
+import com.simplemobiletools.commons.helpers.*
-import com.simplemobiletools.commons.extensions.handleHiddenFolderPasswordProtection
+import com.simplemobiletools.commons.models.RadioItem
-import com.simplemobiletools.commons.extensions.updateTextColors
-import com.simplemobiletools.commons.helpers.PROTECTION_FINGERPRINT
-import com.simplemobiletools.commons.helpers.SHOW_ALL_TABS
 import com.simplemobiletools.filemanager.pro.R
 import com.simplemobiletools.filemanager.pro.extensions.config
 import com.simplemobiletools.filemanager.pro.helpers.RootHelpers
@@ -31,6 +29,7 @@ class SettingsActivity : SimpleActivity() {
         setupUseEnglish()
         setupManageFavorites()
         setupChangeDateTimeFormat()
+        setupFontSize()
         setupShowHidden()
         setupHiddenItemPasswordProtection()
         setupAppPasswordProtection()
@@ -83,6 +82,22 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
+    private fun setupFontSize() {
+        settings_font_size.text = getFontSizeText()
+        settings_font_size_holder.setOnClickListener {
+            val items = arrayListOf(
+                    RadioItem(FONT_SIZE_SMALL, getString(R.string.small)),
+                    RadioItem(FONT_SIZE_MEDIUM, getString(R.string.medium)),
+                    RadioItem(FONT_SIZE_LARGE, getString(R.string.large)),
+                    RadioItem(FONT_SIZE_EXTRA_LARGE, getString(R.string.extra_large)))
+
+            RadioGroupDialog(this@SettingsActivity, items, config.fontSize) {
+                config.fontSize = it as Int
+                settings_font_size.text = getFontSizeText()
+            }
+        }
+    }
+
     private fun setupShowHidden() {
         settings_show_hidden.isChecked = config.showHidden
         settings_show_hidden_holder.setOnClickListener {

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

@@ -99,6 +99,38 @@
 
         </RelativeLayout>
 
+        <RelativeLayout
+            android:id="@+id/settings_font_size_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="?attr/selectableItemBackground"
+            android:paddingLeft="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
+            android:paddingRight="@dimen/normal_margin"
+            android:paddingBottom="@dimen/activity_margin">
+
+            <com.simplemobiletools.commons.views.MyTextView
+                android:id="@+id/settings_font_size_label"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:layout_toStartOf="@+id/settings_font_size"
+                android:paddingLeft="@dimen/medium_margin"
+                android:paddingRight="@dimen/medium_margin"
+                android:text="@string/font_size"/>
+
+            <com.simplemobiletools.commons.views.MyTextView
+                android:id="@+id/settings_font_size"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:layout_marginEnd="@dimen/medium_margin"
+                android:background="@null"
+                android:clickable="false"/>
+
+        </RelativeLayout>
+
         <View
             android:id="@+id/visibility_divider"
             android:layout_width="match_parent"