“Flattern Image Downloader” Code-Antworten

Flatternbild

import 'package:flutter/material.dart';

  void main() => runApp(MyApp());

  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        home: Scaffold(
          appBar: AppBar(
            title: Text("Image from assets"),
          ),
          body: Image.asset('assets/images/lake.jpg'), //   <--- image
        ),
      );
    }
  }
Lucky Lion

Flattern Image von URL herunterladen

final ByteData imageData = await NetworkAssetBundle(Uri.parse("YOUR_URL")).load("");
final Uint8List bytes = imageData.buffer.asUint8List();
// display it with the Image.memory widget
Image.memory(bytes);
Comfortable Chamois

Flattern Image Downloader

$ flutter pub add image_downloader

dependencies:
  image_downloader: ^0.31.0

import 'package:image_downloader/image_downloader.dart';

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

try {
  // Saved with this method.
  var imageId = await ImageDownloader.downloadImage("https://raw.githubusercontent.com/wiki/ko2ic/image_downloader/images/flutter.png");
  if (imageId == null) {
    return;
  }

  // Below is a method of obtaining saved image information.
  var fileName = await ImageDownloader.findName(imageId);
  var path = await ImageDownloader.findPath(imageId);
  var size = await ImageDownloader.findByteSize(imageId);
  var mimeType = await ImageDownloader.findMimeType(imageId);
} on PlatformException catch (error) {
  print(error);
}
adens

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