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import 'package:flutter/foundation.dart';
import 'package:freezed_annotation/freezed_annotation.dart';

part 'result.freezed.dart';

@freezed
abstract class Result<T> with _$Result<T> {
  const factory Result.idle() = Idle<T>;

  const factory Result.loading() = Loading<T>;

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  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Stack(
        fit: StackFit.expand,
        children: <Widget>[
          _camera == null
              ? Container(
            color: Colors.black,
          )

ashishrawat2911

// Copyright 2018 The Chromium Authors. All rights reserved.

// Paints rectangles around all the text in the image.
class TextDetectorPainter extends CustomPainter {
  TextDetectorPainter(this.absoluteImageSize, this.visionText);

  final Size absoluteImageSize;
  final VisionText visionText;

  @override

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  bool _isDetecting = false;

  VisionText _textScanResults;

  CameraLensDirection _direction = CameraLensDirection.back;

  CameraController _camera;

  final TextRecognizer _textRecognizer =
      FirebaseVision.instance.textRecognizer();

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// Copyright 2018 The Chromium Authors. All rights reserved.
import 'dart:async';
import 'dart:typed_data';
import 'dart:ui';

import 'package:camera/camera.dart';
import 'package:firebase_ml_vision/firebase_ml_vision.dart';
import 'package:flutter/foundation.dart';

class ScannerUtils {

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  getAppBar() {
    return AppBar(
      title: Text(selectedList.length < 1
          ? "Multi Selection"
          : "${selectedList.length} item selected"),
      actions: <Widget>[
        selectedList.length < 1
            ? Container()
            : InkWell(
                onTap: () {

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import 'package:flutter/material.dart';
import 'package:flutter_multiselection_list/home_page.dart';

class GridItem extends StatefulWidget {
  final Key key;
  final Item item;
  final ValueChanged<bool> isSelected;

  GridItem({this.item, this.isSelected, this.key});

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class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  DarkThemeProvider themeChangeProvider = new DarkThemeProvider();

  @override
  void initState() {

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import 'dart:ui';

import 'package:flutter/material.dart';

 class Styles {
   
  static ThemeData themeData(bool isDarkTheme, BuildContext context) {
    return ThemeData(
      primarySwatch: Colors.red,
      primaryColor: isDarkTheme ? Colors.black : Colors.white,

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class DarkThemeProvider with ChangeNotifier {
  DarkThemePreference darkThemePreference = DarkThemePreference();
  bool _darkTheme = false;

  bool get darkTheme => _darkTheme;

  set darkTheme(bool value) {
    _darkTheme = value;
    darkThemePreference.setDarkTheme(value);
    notifyListeners();