temoki

//================================================================================
// Flutter State Management Guide (2)
//
// 前回の続き
// https://gist.github.com/temoki/0e9acedbfa2b6ebe424f7e856dc2f5f3
//================================================================================
import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:flutter_hooks/flutter_hooks.dart';

temoki

//================================================================================
// Flutter State Management Guide (1)
//
// f(State) = UI
//
// It means the UI is a function of the current state.
// When the state changes, the UI automatically updates to reflect it.
//================================================================================
import 'package:flutter/material.dart';
import 'package:provider/provider.dart' as provider;

temoki

temoki

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return MaterialApp(
      title: 'Test',

temoki

import Foundation

let allCodes: [(POSIXErrorCode, String)] = [
    (.E2BIG,"E2BIG"),
    (.EACCES,"EACCES"),
    (.EADDRINUSE,"EADDRINUSE"),
    (.EADDRNOTAVAIL,"EADDRNOTAVAIL"),
    (.EAFNOSUPPORT,"EAFNOSUPPORT"),
    (.EAGAIN,"EAGAIN"),
    (.EALREADY,"EALREADY"),

temoki

import Foundation

let allCodes: [(Int, String)] = [
    (NSFileNoSuchFileError,"NSFileNoSuchFileError"),
    (NSFileLockingError,"NSFileLockingError"),
    (NSFileReadUnknownError,"NSFileReadUnknownError"),
    (NSFileReadNoPermissionError,"NSFileReadNoPermissionError"),
    (NSFileReadInvalidFileNameError,"NSFileReadInvalidFileNameError"),
    (NSFileReadCorruptFileError,"NSFileReadCorruptFileError"),
    (NSFileReadNoSuchFileError,"NSFileReadNoSuchFileError"),

temoki

import Foundation

let statuses: [(OSStatus, String)] = [
    (errSecSuccess,"errSecSuccess"),
    (errSecUnimplemented,"errSecUnimplemented"),
    (errSecDiskFull,"errSecDiskFull"),
//    (errSecDskFull,"errSecDskFull"), // Deprecated
    (errSecIO,"errSecIO"),
    (errSecOpWr,"errSecOpWr"),
    (errSecParam,"errSecParam"),

temoki

import Foundation

struct StructError: Error {
    var localizedDescription: String { "StructError.localizedDescription" }
}

class ClassError: Error {
    var localizedDescription: String { "ClassError.localizedDescription" }
}

temoki

import APIKit
import Result

extension APIKit.Session {
    
    class func sendSynchronous<Request>(_ request: Request) -> Result<Request.Response, APIKit.SessionTaskError> where Request: APIKit.Request {
        return shared.sendSynchronous(request)
    }
    
    /// Execute `send(_:callbackQueue:handler:)` synchronously.

temoki

extension UIImage {
    
    public func cropped(to rect: CGRect) -> UIImage? {
        UIGraphicsBeginImageContextWithOptions(rect.size, true, scale)
        draw(at: rect.origin.applying(CGAffineTransform(scaleX: -1, y: -1)))
        let image = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return image
    }