add a setting button for managing shown tabs

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

@@ -11,6 +11,7 @@ import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.commons.models.RadioItem
 import com.simplemobiletools.filemanager.pro.R
+import com.simplemobiletools.filemanager.pro.dialogs.ManageVisibleTabsDialog
 import com.simplemobiletools.filemanager.pro.extensions.config
 import com.simplemobiletools.filemanager.pro.helpers.RootHelpers
 import kotlinx.android.synthetic.main.activity_settings.*
@@ -28,6 +29,7 @@ class SettingsActivity : SimpleActivity() {
         setupCustomizeColors()
         setupUseEnglish()
         setupManageFavorites()
+        setupManageShownTabs()
         setupChangeDateTimeFormat()
         setupFontSize()
         setupShowHidden()
@@ -76,6 +78,12 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
+    private fun setupManageShownTabs() {
+        settings_manage_tabs_holder.setOnClickListener {
+            ManageVisibleTabsDialog(this)
+        }
+    }
+
     private fun setupChangeDateTimeFormat() {
         settings_change_date_time_format_holder.setOnClickListener {
             ChangeDateTimeFormatDialog(this) {}

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/dialogs/ManageVisibleTabsDialog.kt

@@ -0,0 +1,49 @@
+package com.simplemobiletools.filemanager.pro.dialogs
+
+import androidx.appcompat.app.AlertDialog
+import com.simplemobiletools.commons.activities.BaseSimpleActivity
+import com.simplemobiletools.commons.extensions.setupDialogStuff
+import com.simplemobiletools.commons.helpers.*
+import com.simplemobiletools.commons.views.MyAppCompatCheckbox
+import com.simplemobiletools.filemanager.pro.R
+import com.simplemobiletools.filemanager.pro.extensions.config
+import com.simplemobiletools.filemanager.pro.helpers.ALL_TABS_MASK
+
+class ManageVisibleTabsDialog(val activity: BaseSimpleActivity) {
+    private var view = activity.layoutInflater.inflate(R.layout.dialog_manage_visible_tabs, null)
+    private val tabs = LinkedHashMap<Int, Int>()
+
+    init {
+        tabs.apply {
+            put(TAB_FILES, R.id.manage_visible_tabs_files)
+            put(TAB_RECENT_FILES, R.id.manage_visible_tabs_recent_files)
+        }
+
+        val showTabs = activity.config.showTabs
+        for ((key, value) in tabs) {
+            view.findViewById<MyAppCompatCheckbox>(value).isChecked = showTabs and key != 0
+        }
+
+        AlertDialog.Builder(activity)
+            .setPositiveButton(R.string.ok) { dialog, which -> dialogConfirmed() }
+            .setNegativeButton(R.string.cancel, null)
+            .create().apply {
+                activity.setupDialogStuff(view, this)
+            }
+    }
+
+    private fun dialogConfirmed() {
+        var result = 0
+        for ((key, value) in tabs) {
+            if (view.findViewById<MyAppCompatCheckbox>(value).isChecked) {
+                result += key
+            }
+        }
+
+        if (result == 0) {
+            result = ALL_TABS_MASK
+        }
+
+        activity.config.showTabs = result
+    }
+}

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Config.kt

@@ -117,4 +117,8 @@ class Config(context: Context) : BaseConfig(context) {
     var displayFilenames: Boolean
         get() = prefs.getBoolean(DISPLAY_FILE_NAMES, true)
         set(displayFilenames) = prefs.edit().putBoolean(DISPLAY_FILE_NAMES, displayFilenames).apply()
+
+    var showTabs: Int
+        get() = prefs.getInt(SHOW_TABS, ALL_TABS_MASK)
+        set(showTabs) = prefs.edit().putInt(SHOW_TABS, showTabs).apply()
 }

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Constants.kt

@@ -19,6 +19,7 @@ const val VIEW_TYPE_PREFIX = "view_type_folder_"
 const val FILE_COLUMN_CNT = "file_column_cnt"
 const val FILE_LANDSCAPE_COLUMN_CNT = "file_landscape_column_cnt"
 const val DISPLAY_FILE_NAMES = "display_file_names"
+const val SHOW_TABS = "show_tabs"
 
 // open as
 const val OPEN_AS_DEFAULT = 0

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

@@ -76,6 +76,27 @@
 
         </RelativeLayout>
 
+        <RelativeLayout
+            android:id="@+id/settings_manage_tabs_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="?attr/selectableItemBackground"
+            android:paddingStart="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
+            android:paddingEnd="@dimen/normal_margin"
+            android:paddingBottom="@dimen/activity_margin">
+
+            <com.simplemobiletools.commons.views.MyTextView
+                android:id="@+id/settings_manage_tabs"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:paddingStart="@dimen/medium_margin"
+                android:text="@string/manage_shown_tabs" />
+
+        </RelativeLayout>
+
         <RelativeLayout
             android:id="@+id/settings_change_date_time_format_holder"
             android:layout_width="match_parent"

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

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/manage_visible_tabs_scroll_view"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <LinearLayout
+        android:id="@+id/manage_visible_tabs_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">
+
+        <com.simplemobiletools.commons.views.MyAppCompatCheckbox
+            android:id="@+id/manage_visible_tabs_files"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingTop="@dimen/activity_margin"
+            android:paddingBottom="@dimen/activity_margin"
+            android:text="@string/files_tab" />
+
+        <com.simplemobiletools.commons.views.MyAppCompatCheckbox
+            android:id="@+id/manage_visible_tabs_recent_files"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingTop="@dimen/activity_margin"
+            android:paddingBottom="@dimen/activity_margin"
+            android:text="@string/recent_files_tab" />
+
+    </LinearLayout>
+</ScrollView>