ImageProvider

snippet.packages.flutter.lib.src.painting.image_provider.516.

  

// ignore_for_file: directives_ordering
// ignore_for_file: unnecessary_import
// ignore_for_file: unused_import
// ignore_for_file: unused_element
// ignore_for_file: unused_local_variable
import 'dart:async';
import 'dart:convert';
import 'dart:math' as math;
import 'dart:typed_data';
import 'dart:ui' as ui;
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/painting.dart';
import 'package:flutter/physics.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/semantics.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/scheduler.dart';
import 'package:flutter/animation.dart';
import 'package:flutter/services.dart';

// From: packages/flutter/lib/src/painting/image_provider.dart:516
class MyWidget extends StatelessWidget {
  const MyWidget({
    Key? key,
    this.url = ' ... ',
  }) : super(key: key);

  final String url;

  @override
  Widget build(BuildContext context) {
    return Image.network(url);
  }

  void evictImage() {
    final NetworkImage provider = NetworkImage(url);
    provider.evict().then((bool success) {
      if (success) {
        debugPrint('removed image!');
      }
    });
  }
}