Atsushi Nakamura nuitsjp

System Architect of Windows and Web application. .NET Framework, C#, WPF, Xamarin, ASP.NET, JavaScript, Java and more.

nuitsjp / シングルトンサンプルその２

Last active May 22, 2016 04:59

非同期化

	using System;
	using System.Threading.Tasks;

	namespace SingletonSample
	{
	class Program
	{
	static void Main(string[] args)
	{
	}

nuitsjp / シングルトンサンプル　その３

Created May 22, 2016 08:34

	using System;
	using System.Threading.Tasks;

	namespace SingletonSample
	{
	class Program
	{
	static void Main(string[] args)
	{
	Run();

nuitsjp / シングルトンサンプルその4

Created May 22, 2016 11:34

初期化処理の重たいシングルトンクラスのLazyを使った実装例

	using System;
	using System.Threading.Tasks;

	namespace SingletonSample
	{
	class Program
	{
	static void Main(string[] args)
	{
	Task.Run(async () =>

nuitsjp / シングルトンサンプルその5

Last active May 22, 2016 12:41

	using System;
	using System.Linq;
	using System.Collections.Generic;
	using System.Threading.Tasks;

	namespace SingletonSample
	{
	class Program
	{
	static void Main(string[] args)

nuitsjp / Xamarin.AndroidでSDカード上の画像をImageButtonに設定する

Created June 1, 2016 12:22

	// SDカードがマウントされているか確認する
	if(Android.OS.Environment.ExternalStorageState == Android.OS.Environment.MediaMounted)
	{
	var fileName = Path.Combine(Android.OS.Environment.ExternalStorageDirectory.Path, "0000.png");
	// 画像ファイルの存在確認
	if(File.Exists(fileName))
	{
	var bitmap = Android.Graphics.BitmapFactory.DecodeFile(fileName);
	ImageButton imageButton = FindViewById<ImageButton>(Resource.Id.MyImageButton);
	imageButton.SetImageBitmap(bitmap);

nuitsjp / MainWindow.xaml

Created July 9, 2016 06:03

WPFやXamarinのICommandを改めて整理する XAML

	<Window x:Class="CommandSample.MainWindow"
	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	xmlns:local="clr-namespace:CommandSample"
	Title="MainWindow" Height="350" Width="525">
	<Window.DataContext>
	<local:MainWindowViewModel/>
	</Window.DataContext>
	<StackPanel Orientation="Vertical">
	<Label Content="氏名"/>

nuitsjp / MainWindowViewModel.cs

Created July 9, 2016 06:40

WPFやXamarinのICommandを改めて整理する　VM①

	public DelegateCommand ExecuteCommand { get; }

	public MainWindowViewModel()
	{
	ExecuteCommand =
	new DelegateCommand(
	() =>　Result = "登録されました",
	CanExecute);
	}

nuitsjp / MainWindowViewModel.cs

Created July 9, 2016 12:47

WPFやXamarinのICommandを改めて整理する　VM②

	private string _name;
	public string Name
	{
	get { return _name; }
	set
	{
	if (OnPropertyChanged(ref _name, value))
	ExecuteCommand.RaiseCanExecuteChanged();
	}
	}

nuitsjp / AppDelegate.cs

Last active August 11, 2016 09:26

Hello, Prism.　AppDelegate.cs

	public partial class AppDelegate : global::Xamarin.Forms.Platform.iOS.FormsApplicationDelegate
	{
	public override bool FinishedLaunching(UIApplication app, NSDictionary options)
	{
	global::Xamarin.Forms.Forms.Init();
	LoadApplication(new App(new iOSInitializer()));
	return base.FinishedLaunching(app, options);
	}
	}

nuitsjp / AppDelegate.cs

Last active August 11, 2016 09:25

Hello, Prism.　AppDelegate.cs Normal

	public partial class AppDelegate : global::Xamarin.Forms.Platform.iOS.FormsApplicationDelegate
	{
	public override bool FinishedLaunching(UIApplication app, NSDictionary options)
	{
	global::Xamarin.Forms.Forms.Init();
	LoadApplication(new App());
	return base.FinishedLaunching(app, options);
	}
	}