extended_image_library library Null safety

Classes

BaseClient
The abstract base class for an HTTP client. [...]
BaseRequest
The base class for HTTP requests. [...]
BaseResponse
The base class for HTTP responses. [...]
ByteStream
A stream of chunks of bytes representing a single piece of data.
CancellationToken
CancellationTokenSource
Client
The interface for HTTP clients that take care of maintaining persistent connections across multiple requests to the same server. [...]
ExtendedAssetBundleImageKey
ExtendedAssetImageProvider
ExtendedExactAssetImageProvider
ExtendedFileImageProvider
ExtendedMemoryImageProvider
ExtendedNetworkImageProvider
ExtendedResizeImage
Instructs Flutter to decode the image at the specified dimensions instead of at its native size. [...]
File
A reference to a file on the file system. [...]
FileImage
Decodes the given File object as an image, associating it with the given scale. [...]
HttpClientHelper
MultipartFile
A file to be uploaded as part of a MultipartRequest. [...]
MultipartRequest
A multipart/form-data request. [...]
Request
An HTTP request where the entire request body is known in advance.
RetryHelper
StreamedRequest
An HTTP request where the request body is sent asynchronously after the connection has been established and the headers have been sent. [...]
StreamedResponse
An HTTP response where the response body is received asynchronously after the headers have been received.

Mixins

ExtendedImageProvider<T extends Object>

Constants

cacheImageFolderName → const String
'cacheimage'

Properties

imageCaches Map<String, ImageCache>
The imageCaches to store custom ImageCache
read / write
rawImageDataMap Map<ExtendedImageProvider, Uint8List>
The cached raw image data
read / write

Functions

cachedImageExists(String url, {String? cacheKey}) Future<bool>
Check if the image exists in cache
clearDiskCachedImage(String url, {String? cacheKey}) Future<bool>
Clear the disk cache image then return if it succeed.
clearDiskCachedImages({Duration? duration}) Future<bool>
Clear the disk cache directory then return if it succeed.
clearMemoryImageCache([String? name]) → void
clear all of image in memory
delete(Uri url, {Map<String, String>? headers, Object? body, Encoding? encoding}) Future<Response>
Sends an HTTP DELETE request with the given headers to the given URL. [...]
get(Uri url, {Map<String, String>? headers}) Future<Response>
Sends an HTTP GET request with the given headers to the given URL. [...]
getCachedImageFile(String url, {String? cacheKey}) Future<File?>
Get the local file of the cached image
getCachedImageFilePath(String url, {String? cacheKey}) Future<String?>
Get the local file path of the cached image
getCachedSizeBytes() Future<int>
Get total size of cached image
getMemoryImageCache([String? name]) ImageCache?
get ImageCache
getNetworkImageData(String url, {bool useCache = true, StreamController<ImageChunkEvent>? chunkEvents}) Future<Uint8List?>
get network image data from cached
Sends an HTTP HEAD request with the given headers to the given URL. [...]
keyToMd5(String key) String
get md5 from key
patch(Uri url, {Map<String, String>? headers, Object? body, Encoding? encoding}) Future<Response>
Sends an HTTP PATCH request with the given headers and body to the given URL. [...]
post(Uri url, {Map<String, String>? headers, Object? body, Encoding? encoding}) Future<Response>
Sends an HTTP POST request with the given headers and body to the given URL. [...]
put(Uri url, {Map<String, String>? headers, Object? body, Encoding? encoding}) Future<Response>
Sends an HTTP PUT request with the given headers and body to the given URL. [...]
read(Uri url, {Map<String, String>? headers}) Future<String>
Sends an HTTP GET request with the given headers to the given URL and returns a Future that completes to the body of the response as a String. [...]
readBytes(Uri url, {Map<String, String>? headers}) Future<Uint8List>
Sends an HTTP GET request with the given headers to the given URL and returns a Future that completes to the body of the response as a list of bytes. [...]

Exceptions / Errors

ClientException
An exception caused by an error in a pkg/http client.
OperationCanceledError