CaiJingLong

import 'package:flutter/material.dart';

import 'package:photo/photo.dart';
import 'package:flutter_image_compress/flutter_image_compress.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override

CaiJingLong

// translated to Dart from a code snippet presented here:
// https://stackoverflow.com/questions/672916/how-to-get-image-height-and-width-using-java
Future<Size> getJpegDimensions(File jpegFile) async {
  final f = await jpegFile.open();
  Size dimension;
  try {
    // check for SOI marker
    if (await f.readByte() != 255 || await f.readByte() != 216) {
      throw new FormatException(
          "SOI (Start Of Image) marker 0xff 0xd8 missing");

CaiJingLong

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',

CaiJingLong

package main

import (
	"fmt"
	"gopkg.in/yaml.v2"
	"io/ioutil"
)

func main() {
	params := make(map[string]interface{})

CaiJingLong

import 'dart:io';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:flutter_image_compress/flutter_image_compress.dart';
import 'package:path_provider/path_provider.dart' as path_provider;

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

CaiJingLong

import 'dart:math';
import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';

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

class MyApp extends StatelessWidget {
  @override

CaiJingLong

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

CaiJingLong

import 'package:flutter/material.dart';

class Mask extends StatefulWidget {
  final Function onTap;
  final Rect rect;
  const Mask({Key key, this.onTap, this.rect}) : super(key: key);

  @override
  _MaskState createState() => _MaskState();
}

CaiJingLong

import 'dart:async';
import 'dart:io';

main(List<String> arguments) async {
  // final path = "timg.jpg";
  // final path = "/Users/cai/Desktop/1CD83646CA9CF1C2B0F7364B341E8580.gif";
  final path = "/Users/cai/Desktop/sxwphone.png";

  final imgFile = File(path);

CaiJingLong

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

class BaseProvider extends ChangeNotifier {
  RouteHelper get route => RouteHelper();

  T getProvider<T>() {
    return Provider.of<T>(route.navigatorKey.currentContext);
  }
}