firebase_cached_image 0.3.0

firebase_cached_image: ^0.3.0 copied to clipboard

example/lib/main.dart

import 'dart:io';

import 'package:firebase_cached_image/firebase_cached_image.dart';
import 'package:firebase_storage/firebase_storage.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Firebase Cached Image',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Cached Image Demo'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(),
      body: Center(
        child: Image(
          image: FirebaseImageProvider(
            url: FirebaseUrl("gs://bucket_f233/logo.jpg"),
            options: CacheOptions(
              source: Source.server,
              shouldCache: true,
              metadataRefreshInBackground: true,
            ),
          ),
          frameBuilder: (_, child, frame, __) {
            if (frame == null) return child;

            return const CircularProgressIndicator();
          },
        ),
      ),
    );
  }

  temo() async {
    final file = await FirebaseCacheManager.instance.getSingleFile(
      url: FirebaseUrl("gs://bucket_f233/doc.docx"),
    );

    final bytes = await File("path/image").readAsBytes();
    FirebaseCacheManager.instance.uploadAndCache(
      ref: FirebaseStorage.instance.ref().child("logo.png"),
      bytes: bytes,
      // Use this callback for listening to upload events
      uploadTaskCallback: (task) {
        // task.snapshotEvents.listen((event) => print(event.bytesTransferred));
        return task;
      },
    );
    FirebaseCacheManager.instance.cacheOptions = CacheOptions(
      shouldCache: false,
    );
    FirebaseCacheManager.instance.clearCache();
    FirebaseCacheManager.instance.delete(
      url: FirebaseUrl("gs://bucket_f233/logo.jpg"),
    );
    FirebaseCacheManager.instance.preCache(
      url: FirebaseUrl("gs://bucket_f233/doc.docx"),
    );

    // print(
    // file.fullLocalPath); // Cached file's path, can be used for sharing file
    // print(file.rawData); // File's bytes (Uint8List)
  }
}