The gallery_picker from ashhad08

gallery_picker

Gallery Picker is a flutter package that will allow you to pick media file(s), manage and navigate inside your gallery with modern tools and views.

Features

[✔] Modern design

[✔] Detailed documentation

[✔] Pick a media file

[✔] Pick multiple media files

[✔] BottomSheet layout

[✔] Fetch all media files from your phone

[✔] Comprehensively customizable design (desitination page, hero destination page...)

[✔] Gallery picker listener

[✔] Thumbnail widgets for media files

[✔] MediaProvider widgets to view video / image files

[✔] Gallery picker StreamBuilder to update your design if selects any file in gallery picker (GalleryPickerBuilder)

[✔] Ready-to-use widgets

[✔] Examples provided (example/lib/examples)

[✔] Permission requests handled within the library

[✔] Null-safety

You could find the code samples of the given gifs below in /example/lib/examples folder.

Getting started

Update kotlin version to 1.6.0 and classpath 'com.android.tools.build:gradle:7.0.4' in your build.gradle
In android set the minSdkVersion to 25 in your build.gradle

Android

Add uses-permission android/app/src/main/AndroidManifest.xml file

    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

for android sdk 33 and above

   <uses-permission android:name="android.permission.READ_MEDIA_IMAGES"/>
   <uses-permission android:name="android.permission.READ_MEDIA_VIDEO"/>

Ios

Add these configurations to your ios/Runner/info.plist file

    <key>NSPhotoLibraryUsageDescription</key>
    <string>Privacy - Photo Library Usage Description</string>
    <key>NSMotionUsageDescription</key>
    <string>Motion usage description</string>
    <key>NSPhotoLibraryAddUsageDescription</key>
    <string>NSPhotoLibraryAddUsageDescription</string>

Usage

Quick and simple usage example:

Pick Single File

MediaFile? singleMedia = await GalleryPicker.pickMedia(context: context,singleMedia: true);

Pick Multiple Files

List<MediaFile>? media = await GalleryPicker.pickMedia(context: context);

Get All Media Files in Gallery

GalleryMedia? allmedia = await GalleryPicker.collectGallery;

Listen selected files inside gallery picker

Stream stream = GalleryPicker.listenSelectedFiles;

Dispose listener

GalleryPicker.disposeSelectedFilesListener();

PickerScaffold

Gallery Picker could also work as a bottom sheet. Use PickerScaffold instead your Scaffold.

There is an example at example/lib/examples/bottom_sheet_example.dart to see how it could be done.

  @override
  Widget build(BuildContext context) {
    return PickerScaffold(
      backgroundColor: Colors.transparent,
      onSelect: (media) {},
      initSelectedMedia: initMedia,
      config: Config(mode: Mode.dark),
      body: Container(),
    )
  }

Customizable destination page

Within the Gallery Picker you can design a page that will be redirected after selecting any image(s).

Note: There are two builder called multipleMediaBuilder and heroBuilder. If you designed both of them, multipleMediaBuilder will be shown after picking multiple media files, heroBuilder will be shown after picking a single media. If you only designed multipleMediaBuilder, multipleMediaBuilder will be shown after picking any file. Use given hero tag to view your Hero image. You can see a simple example below.

There is an example at example/lib/examples/pick_medias_with_builder.dart to see how it could be done.

   GalleryPicker.pickMediaWithBuilder(
        multipleMediaBuilder: ((media, context) {
          return Scaffold(
            appBar: AppBar(
              title: const Text('Flippers Page'),
            ),
            body: GridView.count(
              crossAxisCount: 3,
              mainAxisSpacing: 5,
              crossAxisSpacing: 5,
              children: [
                for (var mediaFile in media)
                  ThumbnailMedia(
                    media: mediaFile,
                  )
              ],
            ),
            floatingActionButton: FloatingActionButton(
              onPressed: () {
                Navigator.push(
                  context,
                  MaterialPageRoute(
                      builder: (context) => MyHomePage(
                            title: "Selected Medias",
                            medias: media,
                          )),
                );
                GalleryPicker.dispose();
              },
              child: const Icon(
                Icons.send,
                color: Colors.white,
              ),
            ),
          );
        }),
        heroBuilder: (tag, media, context) {
          return Scaffold(
            appBar: AppBar(
              title: const Text('Flippers Page'),
            ),
            body: Container(
              color: Colors.lightBlueAccent,
              padding: const EdgeInsets.all(16.0),
              alignment: Alignment.topLeft,
              child: Hero(
                tag: tag,
                child: Image.memory(media.thumbnail!),
              ),
            ),
            floatingActionButton: FloatingActionButton(
              backgroundColor: Colors.orange,
              onPressed: () {
                Navigator.push(
                  context,
                  MaterialPageRoute(
                      builder: (context) => MyHomePage(
                            title: "Selected Medias",
                            medias: [media],
                          )),
                );
                GalleryPicker.dispose();
              },
              child: const Icon(
                Icons.send,
                color: Colors.white,
              ),
            ),
          );
        },
        context: context);

Dispose Gallery picker

GalleryPicker.dispose();

Customize your gallery picker

A Config class is provided to user to customize your gallery picker. You can customize any feature you want and select appearance mode.

Customizable appereance features

List<MediaFile>? media = await GalleryPicker.pickMedia(
  context: context,
  pageTransitionType: PageTransitionType.rightToLeft
  config: Config(
    backgroundColor: Colors.white,
    permissionDeniedPage:PermissionDeniedPage(),
    appbarColor: Colors.white,
    bottomSheetColor: const Color.fromARGB(255, 247, 248, 250),
    appbarIconColor: const Color.fromARGB(255, 130, 141, 148),
    underlineColor: const Color.fromARGB(255, 20, 161, 131),
    selectedMenuStyle: const TextStyle(color: Colors.black),
    unselectedMenuStyle:
        const TextStyle(color: Color.fromARGB(255, 102, 112, 117)),
    textStyle: const TextStyle(
        color: Color.fromARGB(255, 108, 115, 121),
        fontWeight: FontWeight.bold),
    appbarTextStyle: const TextStyle(color: Colors.black),
    recents: "RECENTS",
    gallery: "GALLERY",
    lastMonth: "Last Month",
    lastWeek: "Last Week",
    tapPhotoSelect: "Tap photo to select",
    selected: "Selected",
    months: [
      "January",
      "February",
      "March",
      "April",
      "May",
      "June",
      "July",
      "August",
      "September",
      "October",
      "November",
      "December"
    ],
    selectIcon: Container(
      width: 50,
      height: 50,
      decoration: const BoxDecoration(
        shape: BoxShape.circle,
        color: Color.fromARGB(255, 0, 168, 132),
      ),
      child: const Icon(
        Icons.check,
        color: Colors.white,
      ),
    ),
  ),
  )

Appearance Mode

List<MediaFile>? media = await GalleryPicker.pickMedia(
        context: context,
        config: Config(
          mode: Mode.dark
        ),
        )

Give an initial selected media files

List<MediaFile>? media = await GalleryPicker.pickMedia(
        context: context,
        initSelectedMedia: initSelectedMedia,
        )

Give extra media files that will be included in recent

You can give extra pictures to appear on the recent page. You should define these files with MediaFile.file()

MediaFile file = MediaFile.file(id: "id", file: File("path"), type: MediaType.image);
List<MediaFile>? media = await GalleryPicker.pickMedia(
        context: context,
        extraRecentMedia: [file],
        )

Select your priority page

There are two pages called "Recent" and "Gallery". You could change the initial page.

List<MediaFile>? media = await GalleryPicker.pickMedia(
        context: context,
        startWithRecent: true,
        )

MediaFile

GalleryPicker returns MediaFile list. You can reach out features below.

[✔] Medium [✔] Id [✔] MediaType [✔] Thumbnail [✔] Check with thumbnailFailed if fetching thumbnail fails [✔] Check with fileFailed if getting file fails [✔] File [✔] getThumbnail function [✔] getFile function [✔] getData function [✔] Check if the file selected in gallery picker

Permission

Required permissions will be requested when gallery picker is launched. In case of user's rejection of request, the problem will be handled within gallery picker package.

Customizing Permission Denied Page

Config(
   permissionDeniedPage: PermissionDeniedPage(),
)

Ready-to-use widgets

ThumbnailMedia

ThumbnailMedia(
  media: media,
)

ThumbnailAlbum

ThumbnailAlbum(
  album: album,
  failIconColor: failIconColor,
  mode: mode,
  backgroundColor: backgroundColor,
)

PhotoProvider

PhotoProvider(
  media: media,
)

VideoProvider

VideoProvider(
  media: media,
)

MediaProvider

MediaProvider works with every media type

MediaProvider(
  media: media,
)

GalleryPickerBuilder

You can listen and update your design through this builder

GalleryPickerBuilder(
  builder: (selectedFiles, context) {
    return child
  },
)

BottomSheetBuilder

Use BottomSheetBuilder if you need to listen bottom sheet status to change something in your page.

BottomSheetBuilder(
  builder: (status, context) {
    return FloatingActionButton(
      onPressed: () {
        if (status.isExpanded) {
          GalleryPicker.closeSheet();
        } else {
          GalleryPicker.openSheet();
        }
      },
      child: Icon(!status.isExpanded
          ? Icons.open_in_browser
          : Icons.close_fullscreen),
    );
  },
)

AlbumMediaView

View all media files in the album sorted by its creation date

GalleryMedia? allmedia = await GalleryPicker.collectGallery;

AlbumMediaView(
  galleryAlbum: allmedia!.albums[0],
  textStyle: textStyle,
)

AlbumCategoriesView

View all album categories

GalleryMedia? allmedia = await GalleryPicker.collectGallery;

AlbumCategoriesView(
  albums: allmedia!.albums,
  categoryBackgroundColor: categoryBackgroundColor,
  categoryFailIconColor: categoryFailIconColor,
  mode: mode,
  onFocusChange: onFocusChange,
  onHover: onHover,
  onLongPress: onLongPress,
  onPressed: onPressed,
)

Breaking Changes From 0.2.3

BottomSheetLayout changed into PickerScaffold

Before:

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: BottomSheetLayout(
          config: Config()
          onSelect: (media) {},
          child: Column(
            children: [

Now:

  @override
  Widget build(BuildContext context) {
    return PickerScaffold(
      backgroundColor: Colors.transparent,
      onSelect: (media) {},
      initSelectedMedia: initMedia,
      config: Config(mode: Mode.dark),
      body: Container(),
    )
  }

Examples

Check out our examples!

Standart Gallery Picker

example/lib/examples/gallery_picker_example.dart

Pick Media Files With Destination Page

example/lib/examples/pick_medias_with_builder.dart

BottomSheet Example

example/lib/examples/bottom_sheet_example.dart

WhatsApp Pick Photo Page

example/lib/examples/whatsapp_pick_photo.dart

This package was possible to create with:

The photo_gallery package
The transparent_image package
The get package
The video_player package
The intl package
The platform_info package
The permission_handler package

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