add a spinner for displaying images or videos only

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

@@ -2,6 +2,8 @@ package com.simplemobiletools.gallery.activities
 
 import android.os.Bundle
 import android.support.v4.app.TaskStackBuilder
+import android.view.View
+import android.widget.AdapterView
 import com.simplemobiletools.gallery.R
 import kotlinx.android.synthetic.main.activity_settings.*
 
@@ -14,6 +16,7 @@ class SettingsActivity : SimpleActivity() {
         setupSameSorting()
         setupShowHiddenFolders()
         setupAutoplayVideos()
+        setupShowMedia()
     }
 
     private fun setupDarkTheme() {
@@ -48,6 +51,18 @@ class SettingsActivity : SimpleActivity() {
         }
     }
 
+    private fun setupShowMedia() {
+        settings_show_media.setSelection(mConfig.showMedia)
+        settings_show_media.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+            override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+                mConfig.showMedia = settings_show_media.selectedItemPosition
+            }
+
+            override fun onNothingSelected(parent: AdapterView<*>?) {
+            }
+        }
+    }
+
     private fun restartActivity() {
         TaskStackBuilder.create(applicationContext).addNextIntentWithParentStack(intent).startActivities()
     }

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

@@ -96,4 +96,8 @@ class Config private constructor(context: Context) {
     var displayFileNames: Boolean
         get() = mPrefs.getBoolean(DISPLAY_FILE_NAMES, false)
         set(display) = mPrefs.edit().putBoolean(DISPLAY_FILE_NAMES, display).apply()
+
+    var showMedia: Int
+        get() = mPrefs.getInt(SHOW_MEDIA, IMAGES_AND_VIDEOS)
+        set(showMedia) = mPrefs.edit().putInt(SHOW_MEDIA, showMedia).apply()
 }

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

@@ -13,7 +13,8 @@ val AUTOPLAY_VIDEOS = "autoplay_videos"
 val TREE_URI = "tree_uri"
 val DISPLAY_FILE_NAMES = "display_file_names"
 val PINNED_FOLDERS = "pinned_folders"
-val SHOW_ALL = "show_all"
+val SHOW_ALL = "show_all"   // display images and videos from all folders together
+val SHOW_MEDIA = "show_media"
 
 // sorting
 val SORT_BY_NAME = 1
@@ -35,3 +36,8 @@ val SET_WALLPAPER_INTENT = "set_wallpaper_intent"
 
 val REQUEST_EDIT_IMAGE = 1
 val REQUEST_SET_WALLPAPER = 2
+
+// show media
+val IMAGES_AND_VIDEOS = 0
+val IMAGES = 1
+val VIDEOS = 2

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

@@ -122,5 +122,34 @@
                 android:clickable="false"/>
 
         </RelativeLayout>
+
+        <RelativeLayout
+            android:id="@+id/settings_show_media_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/settings_padding"
+            android:paddingBottom="@dimen/activity_margin"
+            android:paddingLeft="@dimen/activity_margin"
+            android:paddingRight="@dimen/settings_padding"
+            android:paddingTop="@dimen/activity_margin">
+
+            <TextView
+                android:id="@+id/settings_show_media_label"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:paddingLeft="@dimen/settings_padding"
+                android:paddingStart="@dimen/settings_padding"
+                android:text="@string/show_media"/>
+
+            <android.support.v7.widget.AppCompatSpinner
+                android:id="@+id/settings_show_media"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:layout_alignParentRight="true"
+                android:entries="@array/show_media_items"/>
+
+        </RelativeLayout>
     </LinearLayout>
 </ScrollView>

app/src/main/res/values-de/strings.xml

@@ -130,6 +130,10 @@
     <string name="show_hidden_folders">Zeige versteckte Ordner</string>
     <string name="autoplay_videos">Play videos automatically</string>
     <string name="toggle_filename">Toggle filename visibility</string>
+    <string name="show_media">Show media</string>
+    <string name="images">Images only</string>
+    <string name="videos">Videos only</string>
+    <string name="images_and_videos">Images and videos</string>
 
     <!-- License -->
     <string name="notice">Diese App nutzt die folgenden Drittanbieterbilbiotheken, die mein Leben einfacher machen. Danke.</string>

app/src/main/res/values-es/strings.xml

@@ -130,6 +130,10 @@
     <string name="show_hidden_folders">Mostrar carpetas ocultas</string>
     <string name="autoplay_videos">Reproducir vídeos automáticamente</string>
     <string name="toggle_filename">Toggle filename visibility</string>
+    <string name="show_media">Show media</string>
+    <string name="images">Images only</string>
+    <string name="videos">Videos only</string>
+    <string name="images_and_videos">Images and videos</string>
 
     <!-- License -->
     <string name="notice">Esta aplicación usa las siguientes bibliotecas de terceros que hacen mi vida más fácil. Gracias.</string>

app/src/main/res/values-it/strings.xml

@@ -130,6 +130,10 @@
     <string name="show_hidden_folders">Mostra cartelle nascoste</string>
     <string name="autoplay_videos">Riproduci video automaticamente</string>
     <string name="toggle_filename">Visibilità nome del file</string>
+    <string name="show_media">Show media</string>
+    <string name="images">Images only</string>
+    <string name="videos">Videos only</string>
+    <string name="images_and_videos">Images and videos</string>
 
     <!-- License -->
     <string name="notice">Questa app usa le seguenti librerie di terze parti per semplificarmi la vita. Grazie.</string>

app/src/main/res/values-ja/strings.xml

@@ -130,6 +130,10 @@
     <string name="show_hidden_folders">非表示フォルダーを表示</string>
     <string name="autoplay_videos">自動的にビデオを再生</string>
     <string name="toggle_filename">ファイル名の表示を切り替え</string>
+    <string name="show_media">Show media</string>
+    <string name="images">Images only</string>
+    <string name="videos">Videos only</string>
+    <string name="images_and_videos">Images and videos</string>
 
     <!-- License -->
     <string name="notice">このアプリは、私の暮らしにゆとりを持たせるために、次のサードパーティのライブラリーを使用しています。 ありがとうございます。</string>

app/src/main/res/values-pt-rPT/strings.xml

@@ -130,6 +130,10 @@
     <string name="show_hidden_folders">Mostrar pastas ocultas</string>
     <string name="autoplay_videos">Reproduzir vídeos automaticamente</string>
     <string name="toggle_filename">Mostrar/ocultar nome do ficheiro</string>
+    <string name="show_media">Show media</string>
+    <string name="images">Images only</string>
+    <string name="videos">Videos only</string>
+    <string name="images_and_videos">Images and videos</string>
 
     <!-- License -->
     <string name="notice">Esta aplicação usa as seguintes bibliotecas de terceiros para facilitar a minha vida. Obrigado.</string>

app/src/main/res/values-ru/strings.xml

@@ -131,6 +131,10 @@
     <string name="show_hidden_folders">Показать скрытые папки</string>
     <string name="autoplay_videos">Воспроизводить видео автоматически</string>
     <string name="toggle_filename">Переключить отображение имени файла</string>
+    <string name="show_media">Show media</string>
+    <string name="images">Images only</string>
+    <string name="videos">Videos only</string>
+    <string name="images_and_videos">Images and videos</string>
 
     <!-- License -->
     <string name="notice">Это приложение использует следующие библиотеки сторонних разработчиков, чтобы облегчить мой труд. Спасибо.</string>

app/src/main/res/values-sv/strings.xml

@@ -130,6 +130,10 @@
     <string name="show_hidden_folders">Show hidden folders</string>
     <string name="autoplay_videos">Play videos automatically</string>
     <string name="toggle_filename">Toggle filename visibility</string>
+    <string name="show_media">Show media</string>
+    <string name="images">Images only</string>
+    <string name="videos">Videos only</string>
+    <string name="images_and_videos">Images and videos</string>
 
     <!-- License -->
     <string name="notice">Denna app använder följande tredjepartsbibliotek för att göra mitt liv enklare. Tack.</string>

app/src/main/res/values-v23/styles.xml

@@ -0,0 +1,5 @@
+<resources>
+
+    <style name="SpinnerItem" parent="@android:style/Widget.TextView"/>
+
+</resources>

app/src/main/res/values-zh/strings.xml

@@ -131,6 +131,10 @@
     <string name="show_hidden_folders">显示所有</string>
     <string name="autoplay_videos">自动播放</string>
     <string name="toggle_filename">显示文件名</string>
+    <string name="show_media">Show media</string>
+    <string name="images">Images only</string>
+    <string name="videos">Videos only</string>
+    <string name="images_and_videos">Images and videos</string>
 
     <!-- License -->
     <string name="notice">This app uses the following third party libraries to make my life easier. Thank you.</string>

app/src/main/res/values/array.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string-array name="show_media_items" translatable="false">
+        <item>@string/images_and_videos</item>
+        <item>@string/images</item>
+        <item>@string/videos</item>
+    </string-array>
+</resources>

app/src/main/res/values/strings.xml

@@ -131,6 +131,10 @@
     <string name="show_hidden_folders">Show hidden folders</string>
     <string name="autoplay_videos">Play videos automatically</string>
     <string name="toggle_filename">Toggle filename visibility</string>
+    <string name="show_media">Show media</string>
+    <string name="images">Images only</string>
+    <string name="videos">Videos only</string>
+    <string name="images_and_videos">Images and videos</string>
 
     <!-- License -->
     <string name="notice">This app uses the following third party libraries to make my life easier. Thank you.</string>

app/src/main/res/values/styles.xml

@@ -6,6 +6,9 @@
         <item name="colorAccent">@color/colorAccent</item>
         <item name="actionBarStyle">@style/AppTheme.ActionBarStyle</item>
         <item name="android:textSize">@dimen/normal_text_size</item>
+        <item name="android:spinnerItemStyle">@style/SpinnerItem</item>
+        <item name="spinnerDropDownItemStyle">@style/SpinnerItem.DropDownItem</item>
+        <item name="android:spinnerDropDownItemStyle">@style/SpinnerItem.DropDownItem</item>
     </style>
 
     <style name="AppTheme.Dark" parent="Theme.AppCompat">
@@ -15,6 +18,9 @@
         <item name="actionBarStyle">@style/AppTheme.ActionBarStyle</item>
         <item name="android:textSize">@dimen/normal_text_size</item>
         <item name="android:windowBackground">@android:color/black</item>
+        <item name="android:spinnerItemStyle">@style/SpinnerItem</item>
+        <item name="spinnerDropDownItemStyle">@style/SpinnerItem.DropDownItem</item>
+        <item name="android:spinnerDropDownItemStyle">@style/SpinnerItem.DropDownItem</item>
     </style>
 
     <style name="FullScreenTheme.Base" parent="AppTheme">
@@ -50,4 +56,18 @@
         <item name="android:textSize">20sp</item>
     </style>
 
+
+    <style name="SpinnerItem" parent="@android:style/Widget.TextView">
+        <item name="android:paddingRight">@dimen/activity_margin</item>
+        <item name="android:gravity">end</item>
+    </style>
+
+    <style name="SpinnerItem.DropDownItem" parent="@android:style/Widget.TextView">
+        <item name="android:gravity">center_vertical</item>
+        <item name="android:paddingTop">@dimen/settings_padding</item>
+        <item name="android:paddingBottom">@dimen/settings_padding</item>
+        <item name="android:paddingLeft">@dimen/activity_margin</item>
+        <item name="android:paddingRight">@dimen/activity_margin</item>
+    </style>
+
 </resources>