flutter_asset_picker

Language: English | 中文

A plug to select images also with videos and audios from photo albums,support ios and android platform.

Features

• Image support
• Video support
• Audio support
• Support preview and edit image(mosaic, rotate，scale，scrawl，add text)
• Support screen rotate

demo

using

• class

    Asset: ///media class
      /// Attribute：
      /// identifier: The file path of media for android ; The identifier of media for ios
      /// mediaType: Asset type - 0 image 1 video 2 audio
      /// duration: video or audio duration seconds
      /// mediaUrl: The local path for video or audio 
      /// editInfo: editing info,
      /// ration: The aspect ratio of media
      /// originalWidth: The original width of media
      /// originalHeight: The original height of media
  
      ///Method：
        /// Get image byte data
        /// quality: Jpg quality
        /// maxWidth: The max width of image to need.(px)
        /// maxHeight: The max height of image to need.(px)
        /// if maxWidth == null && maxHeight == null , will get original image
        Future<Uint8List?> getImageByteData({int quality = 70,int? maxWidth,int? maxHeight,bool ignoreEditInfo = false});
  
        ///Get image byte data by width and height
        /// quality: Jpg quality
        /// needCached: Need cache the thumb image to disk
        /// width: Image width (px)
        /// height: Image height (px)
        /// if maxWidth == null && maxHeight == null , will get original image
        Future<Uint8List?> getImageThumbByteData(int width, int height, {int quality = 100,bool needCached = false});
    
  

• widgets

   /// A thumb asset widget
   /// asset: Asset object
   /// width: The max width of image to need.(px)
   const AssetThumbImage({
    Key? key,
    required this.asset,
    required this.width,
    this.needCache = false,
    this.index,
    this.quality = 70,
    this.boxFit = BoxFit.cover,
    this.spinner,
    this.backgroundColor,
  }) : super(key: key);
    
  ///A original asset widget
  /// picSizeWidth: The thumb image width when Loading big image(px)
   const AssetOriginalImage({
    Key? key,
    required this.asset,
    this.quality = 70,
    this.picSizeWidth = 600,
    this.fit = BoxFit.fill,
    int? maxWidth,
    int? maxHeight,
    this.spinner,
  }) : maxWidth= maxWidth ?? 2500,maxHeight = maxHeight ?? 2500, super(key: key);
  

• Choose assets

   ///maxNumber: The max count to choose
   ///isCupertinoType: true use CupertinoPageScaffold else Scaffold
   ///scrollReverse: show last asset on gridView bottom
   ///dropDownBannerMode: true select Asset Collection list with dropdown banner , else Asset Collection list show in another page
   ///type: media type to choose
   ///photoDidSelectCallBack: The callback for result.
      
   Future showAssetPickNavigationDialog<T>({
      required BuildContext context,
      int maxNumber = 8,
      bool isCupertinoType = false,
      ///show last asset on gridView bottom
      bool scrollReverse = true,
  
      ///select Asset Collection with dropdown banner else with another list
      bool dropDownBannerMode = true,
      AssetPickerType type = AssetPickerType.picture,
      AssetPickedCallback? photoDidSelectCallBack
  });
  

• Cache control

  ///Get asset disk cache size(byte)
  Future<double> getAssetPickCacheSize();
  
  ///Clean Caches(Not recommended,re-cached when next choose )
  Future cleanAssetPickCache() async;