allow protecting excluded folder visibility

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/MainActivity.kt

@@ -325,8 +325,8 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
             R.id.change_view_type -> changeViewType()
             R.id.temporarily_show_hidden -> tryToggleTemporarilyShowHidden()
             R.id.stop_showing_hidden -> tryToggleTemporarilyShowHidden()
-            R.id.temporarily_show_excluded -> toggleTemporarilyShowExcluded(true)
+            R.id.temporarily_show_excluded -> tryToggleTemporarilyShowExcluded()
-            R.id.stop_showing_excluded -> toggleTemporarilyShowExcluded(false)
+            R.id.stop_showing_excluded -> tryToggleTemporarilyShowExcluded()
             R.id.create_new_folder -> createNewFolder()
             R.id.show_the_recycle_bin -> toggleRecycleBin(true)
             R.id.hide_the_recycle_bin -> toggleRecycleBin(false)
@@ -577,6 +577,16 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
         invalidateOptionsMenu()
     }
 
+    private fun tryToggleTemporarilyShowExcluded() {
+        if (config.temporarilyShowExcluded) {
+            toggleTemporarilyShowExcluded(false)
+        } else {
+            handleExcludedFolderPasswordProtection {
+                toggleTemporarilyShowExcluded(true)
+            }
+        }
+    }
+
     private fun toggleTemporarilyShowExcluded(show: Boolean) {
         mLoadedInitialPhotos = false
         config.temporarilyShowExcluded = show

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

@@ -58,6 +58,7 @@ class SettingsActivity : SimpleActivity() {
         setupScreenRotation()
         setupHideSystemUI()
         setupHiddenItemPasswordProtection()
+        setupExcludedItemPasswordProtection()
         setupAppPasswordProtection()
         setupFileDeletionPasswordProtection()
         setupDeleteEmptyFolders()
@@ -201,9 +202,11 @@ class SettingsActivity : SimpleActivity() {
 
     private fun setupManageExcludedFolders() {
         settings_manage_excluded_folders_holder.setOnClickListener {
+            handleExcludedFolderPasswordProtection {
                 startActivity(Intent(this, ExcludedFoldersActivity::class.java))
             }
         }
+    }
 
     private fun setupManageHiddenFolders() {
         settings_manage_hidden_folders_holder.beGoneIf(isQPlus())
@@ -337,6 +340,29 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
+    private fun setupExcludedItemPasswordProtection() {
+        settings_excluded_item_password_protection_holder.beGoneIf(settings_hidden_item_password_protection_holder.isVisible())
+        settings_excluded_item_password_protection.isChecked = config.isExcludedPasswordProtectionOn
+        settings_excluded_item_password_protection_holder.setOnClickListener {
+            val tabToShow = if (config.isExcludedPasswordProtectionOn) config.excludedProtectionType else SHOW_ALL_TABS
+            SecurityDialog(this, config.excludedPasswordHash, tabToShow) { hash, type, success ->
+                if (success) {
+                    val hasPasswordProtection = config.isExcludedPasswordProtectionOn
+                    settings_excluded_item_password_protection.isChecked = !hasPasswordProtection
+                    config.isExcludedPasswordProtectionOn = !hasPasswordProtection
+                    config.excludedPasswordHash = if (hasPasswordProtection) "" else hash
+                    config.excludedProtectionType = type
+
+                    if (config.isExcludedPasswordProtectionOn) {
+                        val confirmationTextId = if (config.excludedProtectionType == PROTECTION_FINGERPRINT)
+                            R.string.fingerprint_setup_successfully else R.string.protection_setup_successfully
+                        ConfirmationDialog(this, "", confirmationTextId, R.string.ok, 0) { }
+                    }
+                }
+            }
+        }
+    }
+
     private fun setupAppPasswordProtection() {
         settings_app_password_protection.isChecked = config.isAppPasswordProtectionOn
         settings_app_password_protection_holder.setOnClickListener {

app/src/main/kotlin/com/simplemobiletools/gallery/pro/extensions/Activity.kt

@@ -28,6 +28,7 @@ import com.bumptech.glide.request.RequestOptions
 import com.simplemobiletools.commons.activities.BaseSimpleActivity
 import com.simplemobiletools.commons.dialogs.ConfirmationAdvancedDialog
 import com.simplemobiletools.commons.dialogs.ConfirmationDialog
+import com.simplemobiletools.commons.dialogs.SecurityDialog
 import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.commons.models.FAQItem
@@ -775,3 +776,15 @@ fun Activity.showFileOnMap(path: String) {
         toast(R.string.unknown_location)
     }
 }
+
+fun Activity.handleExcludedFolderPasswordProtection(callback: () -> Unit) {
+    if (config.isExcludedPasswordProtectionOn) {
+        SecurityDialog(this, config.excludedPasswordHash, config.excludedProtectionType) { _, _, success ->
+            if (success) {
+                callback()
+            }
+        }
+    } else {
+        callback()
+    }
+}

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

@@ -5,10 +5,7 @@ import android.content.res.Configuration
 import android.os.Environment
 import com.google.gson.Gson
 import com.google.gson.reflect.TypeToken
-import com.simplemobiletools.commons.helpers.BaseConfig
+import com.simplemobiletools.commons.helpers.*
-import com.simplemobiletools.commons.helpers.SORT_BY_DATE_MODIFIED
-import com.simplemobiletools.commons.helpers.SORT_DESCENDING
-import com.simplemobiletools.commons.helpers.VIEW_TYPE_GRID
 import com.simplemobiletools.gallery.pro.R
 import com.simplemobiletools.gallery.pro.models.AlbumCover
 import java.util.*
@@ -125,6 +122,18 @@ class Config(context: Context) : BaseConfig(context) {
         get() = prefs.getStringSet(EXCLUDED_FOLDERS, HashSet())!!
         set(excludedFolders) = prefs.edit().remove(EXCLUDED_FOLDERS).putStringSet(EXCLUDED_FOLDERS, excludedFolders).apply()
 
+    var isExcludedPasswordProtectionOn: Boolean
+        get() = prefs.getBoolean(EXCLUDED_PASSWORD_PROTECTION, false)
+        set(isExcludedPasswordProtectionOn) = prefs.edit().putBoolean(EXCLUDED_PASSWORD_PROTECTION, isExcludedPasswordProtectionOn).apply()
+
+    var excludedPasswordHash: String
+        get() = prefs.getString(EXCLUDED_PASSWORD_HASH, "")!!
+        set(excludedPasswordHash) = prefs.edit().putString(EXCLUDED_PASSWORD_HASH, excludedPasswordHash).apply()
+
+    var excludedProtectionType: Int
+        get() = prefs.getInt(EXCLUDED_PROTECTION_TYPE, PROTECTION_PATTERN)
+        set(excludedProtectionType) = prefs.edit().putInt(EXCLUDED_PROTECTION_TYPE, excludedProtectionType).apply()
+
     fun addIncludedFolder(path: String) {
         val currIncludedFolders = HashSet<String>(includedFolders)
         currIncludedFolders.add(path)

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

@@ -10,6 +10,9 @@ const val VIEW_TYPE_PREFIX = "view_type_folder_"
 const val SHOW_HIDDEN_MEDIA = "show_hidden_media"
 const val TEMPORARILY_SHOW_HIDDEN = "temporarily_show_hidden"
 const val TEMPORARILY_SHOW_EXCLUDED = "temporarily_show_excluded"
+const val EXCLUDED_PASSWORD_PROTECTION = "excluded_password_protection"
+const val EXCLUDED_PASSWORD_HASH = "excluded_password_hash"
+const val EXCLUDED_PROTECTION_TYPE = "excluded_protection_type"
 const val IS_THIRD_PARTY_INTENT = "is_third_party_intent"
 const val AUTOPLAY_VIDEOS = "autoplay_videos"
 const val REMEMBER_LAST_VIDEO_POSITION = "remember_last_video_position"

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

@@ -738,6 +738,22 @@
 
             </RelativeLayout>
 
+            <RelativeLayout
+                android:id="@+id/settings_excluded_item_password_protection_holder"
+                style="@style/SettingsHolderCheckboxStyle"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="@drawable/ripple_background">
+
+                <com.simplemobiletools.commons.views.MyAppCompatCheckbox
+                    android:id="@+id/settings_excluded_item_password_protection"
+                    style="@style/SettingsCheckboxStyle"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="@string/password_protect_excluded" />
+
+            </RelativeLayout>
+
             <RelativeLayout
                 android:id="@+id/settings_file_deletion_password_protection_holder"
                 style="@style/SettingsHolderCheckboxStyle"