/// <summary>
/// XAML Clicked attribute version
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void OnClickedClock(object sender, EventArgs e)
{
string xml = @"<?xml version='1.0' encoding='utf-8' ?>
<ContentPage xmlns='http://xamarin.com/schemas/2014/forms'
xmlns:x='http://schemas.microsoft.com/winfx/2009/xaml'
xmlns:local='clr-namespace:XFormsSampleApp;assembly=XFormsSampleApp'
x:Class='XFormsSampleApp.MainPage'
Title='Clock Page'>
<ContentPage.BindingContext>
<local:ClockViewModel />
</ContentPage.BindingContext>
<StackLayout>
"
+ "<Label x:Name='label1' Text=\"{Binding DateTime, StringFormat='today is {0:T}'}\""
+ @" Font='Large'
HorizontalOptions='Center'
VerticalOptions='Center' />
<Button Text='Now' x:Name='button1' />
<Button Text='bind now' Command='{Binding ClickCommand}' />
</StackLayout></ContentPage>";
var page = PageXaml.LoadXaml <ContentPage>(xml);
var vm = page.BindingContext as ClockViewModel;
page.FindByName <Button>("button1").Clicked += (s, ee) =>
{
vm.DateTime = DateTime.Now;
};
this.Navigation.PushAsync(page);
}
public void SliderTransformsPage()
{
var fs = File.OpenText(@"Xaml\SliderTransformsPage.xaml");
var xaml = fs.ReadToEnd();
var page = PageXaml.LoadXaml <ContentPage>(xaml);
Assert.IsNotNull(page);
var grid = page.Content as Grid;
Assert.AreEqual(5, grid.RowDefinitions.Count);
Assert.AreEqual(true, grid.RowDefinitions[0].Height.IsStar);
Assert.AreEqual(true, grid.RowDefinitions[1].Height.IsAuto);
Assert.AreEqual(true, grid.RowDefinitions[2].Height.IsAuto);
Assert.AreEqual(2, grid.ColumnDefinitions.Count);
Assert.AreEqual(true, grid.ColumnDefinitions[0].Width.IsAuto);
Assert.AreEqual(true, grid.ColumnDefinitions[1].Width.IsStar);
Assert.AreEqual(9, grid.Children.Count);
var layout = grid.Children[0] as StackLayout;
Assert.IsNotNull(layout);
var slider = grid.Children[1] as Slider;
Assert.IsNotNull(slider);
Assert.AreEqual(10.0, slider.Maximum);
var label = grid.Children[2] as Label;
Assert.AreEqual(TextAlignment.Center, label.YAlign);
}
public void TestCommand()
{
string xml = @"<?xml version='1.0' encoding='utf-8' ?>
<ContentPage xmlns='http://xamarin.com/schemas/2014/forms'
xmlns:x='http://schemas.microsoft.com/winfx/2009/xaml'
xmlns:local='clr-namespace:XformsProvider.Test;assembly=XformsProvider.Test'
x:Class='XformsProvider.Test.TestBindingContext'
Title='Clock Page'>
<ContentPage.BindingContext>
<local:ClockViewModel />
</ContentPage.BindingContext>
"
+ "<Label x:Name='label1' Text=\"{Binding DateTime, StringFormat='{0:T}'}\""
+ @" Font='Large'
HorizontalOptions='Center'
VerticalOptions='Center'>
</Label>
<Button x:Name='button1' Text='Click now' Command='{Binding ClickCommand}' />
</ContentPage>";
var page = PageXaml.LoadXaml <ContentPage>(xml);
Assert.IsNotNull(page);
var label = page.FindByName <Label>("label1");
var button = page.FindByName <Button>("button1");
Assert.IsNotNull(page.BindingContext);
Assert.IsNotNull(button);
Assert.IsNotNull(button.Command);
}
public void XamlPlusCodePage()
{
var fs = File.OpenText(@"Xaml\XamlPlusCodePage.xaml");
var xaml = fs.ReadToEnd();
var page = PageXaml.LoadXaml <ContentPage>(xaml);
Assert.IsNotNull(page);
Assert.AreEqual("XAML + Code Page", page.Title);
var layout = page.Content as StackLayout;
Assert.IsNotNull(layout);
Assert.AreEqual(3, layout.Children.Count);
var slider = layout.Children[0] as Slider;
var label = layout.Children[1] as Label;
var button = layout.Children[2] as Button;
Assert.IsNotNull(slider);
Assert.IsNotNull(label);
Assert.IsNotNull(button);
Assert.AreEqual(LayoutOptions.CenterAndExpand, slider.VerticalOptions);
Assert.AreEqual(LayoutOptions.Center, label.HorizontalOptions);
Assert.AreEqual(LayoutOptions.CenterAndExpand, label.VerticalOptions);
Assert.AreEqual("Click Me!", button.Text);
}
public void LoadSample()
{
string xml = @"<?xml version='1.0' encoding='utf-8' ?>
<ContentPage xmlns='http://xamarin.com/schemas/2014/forms'
xmlns:x='http://schemas.microsoft.com/winfx/2009/xaml'
x:Class='XFormsPreview.NewPage'>
<StackLayout>
<Label Text='New Page' />
<Button Text='Click me' />
</StackLayout>
</ContentPage>
";
var page = PageXaml.LoadXaml <ContentPage>(xml);
Assert.IsNotNull(page);
var layout = page.Content as StackLayout;
Assert.IsNotNull(layout);
Assert.AreEqual(2, layout.Children.Count);
var label = layout.Children[0] as Label;
var button = layout.Children[1] as Button;
Assert.IsNotNull(label);
Assert.IsNotNull(button);
Assert.AreEqual("New Page", label.Text);
Assert.AreEqual("Click me", button.Text);
}
void OnClickAbsoluteLayoutPreview(object sender, EventArgs e)
{
var st = ResourceLoader.GetObject("XFormsPreviewer.Xaml.AbsoluteDemoPage.xaml");
var xaml = new StreamReader(st).ReadToEnd();
var page = PageXaml.LoadXaml <ContentPage>(xaml);
this.Navigation.PushAsync(page);
}
void OnClickKeyboardPreview(object sender, EventArgs e)
{
var st = ResourceLoader.GetObject("XFormsPreviewer.Xaml.KeypadPage.xaml");
var xaml = new StreamReader(st).ReadToEnd();
var page = PageXaml.LoadXaml(xaml);
this.Navigation.PushAsync(page);
}
void OnClickGridPreview(object sender, EventArgs e)
{
/// リソースから表示するテスト
var st = ResourceLoader.GetObject("XFormsPreviewer.Xaml.GridDemoPage.xaml");
var xaml = new StreamReader(st).ReadToEnd();
var page = PageXaml.LoadXaml <ContentPage>(xaml);
this.Navigation.PushAsync(page);
}
/// <summary>
/// HTTP クライアント経由で XAML ファイルをロードする
/// http://hostname:10150/get/[num] 形式で取得する
/// [num] 部分は XFormsPreviewHost と合わせる
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
async void OnClickSample0(object sender, EventArgs e)
{
var hc = new HttpClient();
try
{
var res = await hc.GetStringAsync(this.Uri + "0");
var page = PageXaml.LoadXaml(res);
await this.Navigation.PushAsync(page);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
public void AbsoluteDemoPage()
{
var fs = File.OpenText(@"Xaml\AbsoluteDemoPage.xaml");
var xaml = fs.ReadToEnd();
var page = PageXaml.LoadXaml <ContentPage>(xaml);
Assert.IsNotNull(page);
var layout = page.Content as AbsoluteLayout;
Assert.AreEqual(8, layout.Children.Count);
Assert.AreEqual(Color.FromHex("#FF8080"), layout.BackgroundColor);
var box = layout.Children[0] as BoxView;
Assert.AreEqual(Color.FromHex("#8080FF"), box.Color);
box = layout.Children[1] as BoxView;
Assert.AreEqual(Color.FromHex("#8080FF"), box.Color);
}
void OnClickPreview(object sender, EventArgs e)
{
// XAML 文字列を直接書き込むパターン
string xml = @"<?xml version='1.0' encoding='utf-8' ?>
<ContentPage xmlns='http://xamarin.com/schemas/2014/forms'
xmlns:x='http://schemas.microsoft.com/winfx/2009/xaml'
x:Class='XFormsPreview.NewPage'>
<StackLayout>
<Label Text='New Page' />
<Button Text='click me' />
</StackLayout>
</ContentPage>
";
var page = PageXaml.LoadXaml(xml);
this.Navigation.PushAsync(page);
}
public void HelloXamlPage()
{
var fs = File.OpenText(@"Xaml\HelloXamlPage.xaml");
var xaml = fs.ReadToEnd();
var page = PageXaml.LoadXaml <ContentPage>(xaml);
Assert.IsNotNull(page);
var label = page.Content as Label;
Assert.IsNotNull(label);
Assert.AreEqual("Hello, XAML!", label.Text);
Assert.AreEqual(LayoutOptions.Start, label.VerticalOptions);
Assert.AreEqual(TextAlignment.Center, label.XAlign);
Assert.AreEqual(-15.0, label.Rotation);
Assert.AreEqual(true, label.IsVisible);
// Assert.AreEqual(label.Font)
Assert.AreEqual(Color.Aqua, label.TextColor);
}
public void TestGetName()
{
string xml = @"<?xml version='1.0' encoding='utf-8' ?>
<ContentPage xmlns='http://xamarin.com/schemas/2014/forms'
xmlns:x='http://schemas.microsoft.com/winfx/2009/xaml'
x:Class='XFormsPreview.NewPage'>
<StackLayout>
<Label x:Name='label1' Text='New Page' />
<Button x:Name='button1' Text='Click me' />
</StackLayout>
</ContentPage>
";
var page = PageXaml.LoadXaml <ContentPage>(xml);
Assert.IsNotNull(page);
var layout = page.Content as StackLayout;
Assert.IsNotNull(layout);
Assert.AreEqual(2, layout.Children.Count);
var label = layout.Children[0] as Label;
var button = layout.Children[1] as Button;
Assert.IsNotNull(label);
Assert.IsNotNull(button);
Assert.AreEqual("New Page", label.Text);
Assert.AreEqual("Click me", button.Text);
// Assert.AreEqual("XFormsPreview.NewPage", layout.ClassName);
// test
// var label1 = PageXaml.FindByName(page, "label1") as Label;
// var button1 = PageXaml.FindByName(page, "button1") as Button;
var label1 = page.FindByName <Label>("label1");
var button1 = page.FindByName <Button>("button1");
Assert.IsNotNull(label1);
Assert.AreEqual("New Page", label1.Text);
Assert.AreEqual("Click me", button1.Text);
}
public void TestBinding()
{
string xml = @"<?xml version='1.0' encoding='utf-8' ?>
<ContentPage xmlns='http://xamarin.com/schemas/2014/forms'
xmlns:x='http://schemas.microsoft.com/winfx/2009/xaml'
xmlns:local='clr-namespace:XformsProvider.Test;assembly=XformsProvider.Test'
x:Class='XformsProvider.Test.TestBindingContext'
Title='Clock Page'>
<ContentPage.BindingContext>
<local:ClockViewModel />
</ContentPage.BindingContext>
"
+ "<Label x:Name='label1' Text=\"{Binding DateTime, StringFormat='{0:T}'}\""
+ @" Font='Large'
HorizontalOptions='Center'
VerticalOptions='Center'>
</Label>
</ContentPage>";
var page = PageXaml.LoadXaml <ContentPage>(xml);
Assert.IsNotNull(page);
var label = page.FindByName <Label>("label1");
Assert.IsNotNull(label);
var bind = label.BindingContext as ClockViewModel;
Assert.IsNotNull(bind);
Assert.AreEqual(2014, bind.DateTime.Year);
Assert.AreEqual(5, bind.DateTime.Month);
Assert.AreEqual(2, bind.DateTime.Day);
Assert.AreEqual("2014/05/02 0:00:00", label.Text);
var data = page.BindingContext as ClockViewModel;
Assert.IsNotNull(data);
// Xamarin.Forms.Forms.Init() が必要
// プラットフォーム毎の Xamarin.Forms.Core に入っている
// data.DateTime = new DateTime(2000, 1, 2);
// Assert.AreEqual("", label.Text);
}
public void TestSetEvent()
{
string xml = @"<?xml version='1.0' encoding='utf-8' ?>
<ContentPage xmlns='http://xamarin.com/schemas/2014/forms'
xmlns:x='http://schemas.microsoft.com/winfx/2009/xaml'
x:Class='XformsProvider.Test.TestEvents'>
<StackLayout>
<Label x:Name='label1' Text='New Page' />
<Button x:Name='button1' Clicked='OnClick' />
</StackLayout>
</ContentPage>
";
var page = PageXaml.LoadXaml <ContentPage>(xml);
Assert.IsNotNull(page);
var label = page.FindByName <Label>("label1");
var button = page.FindByName <Button>("button1");
Assert.IsNotNull(button);
}
public void KeypadPage()
{
var fs = File.OpenText(@"Xaml\KeypadPage.xaml");
var xaml = fs.ReadToEnd();
var page = PageXaml.LoadXaml <ContentPage>(xaml);
Assert.IsNotNull(page);
var grid = page.Content as Grid;
Assert.AreEqual(5, grid.RowDefinitions.Count);
Assert.AreEqual(3, grid.ColumnDefinitions.Count);
var grid2 = grid.Children[0] as Grid;
Assert.IsNotNull(grid2);
Assert.AreEqual(2, grid2.ColumnDefinitions.Count);
Assert.AreEqual(true, grid2.ColumnDefinitions[0].Width.IsStar);
Assert.AreEqual(true, grid2.ColumnDefinitions[1].Width.IsAuto);
var frame = grid2.Children[0] as Frame;
Assert.IsNotNull(frame);
Assert.AreEqual(Color.Accent, frame.OutlineColor);
Assert.IsNotNull(frame.Content as Label);
var button = grid2.Children[1] as Button;
Assert.IsNotNull(button);
var b1 = grid.Children[1] as Button;
Assert.IsNotNull(b1);
Assert.AreEqual("1", b1.Text);
var b2 = grid.Children[2] as Button;
Assert.IsNotNull(b2);
Assert.AreEqual("2", b2.Text);
var b3 = grid.Children[3] as Button;
Assert.IsNotNull(b3);
Assert.AreEqual("3", b3.Text);
}
public void SliderBindingsPage()
{
var fs = File.OpenText(@"Xaml\SliderBindingsPage.xaml");
var xaml = fs.ReadToEnd();
var page = PageXaml.LoadXaml <ContentPage>(xaml);
Assert.IsNotNull(page);
var layout = page.Content as StackLayout;
Assert.AreEqual(3, layout.Children.Count);
var sl = layout.Children[0] as Slider;
Assert.AreEqual(360.0, sl.Maximum);
Assert.AreEqual(LayoutOptions.CenterAndExpand, sl.VerticalOptions);
var label = layout.Children[1] as Label;
// Assert.AreEqual(Font, label.Font);
Assert.AreEqual("ROTATION", label.Text);
Assert.AreEqual(LayoutOptions.Center, label.HorizontalOptions);
Assert.AreEqual(LayoutOptions.CenterAndExpand, label.VerticalOptions);
}
public void GridDemoPage()
{
var fs = File.OpenText(@"Xaml\GridDemoPage.xaml");
var xaml = fs.ReadToEnd();
var page = PageXaml.LoadXaml <ContentPage>(xaml);
Assert.IsNotNull(page);
Assert.AreEqual("Grid Demo Page", page.Title);
Assert.AreEqual(new Thickness(0, 20, 0, 0), page.Padding);
var grid = page.Content as Grid;
Assert.IsNotNull(grid);
Assert.AreEqual(3, grid.RowDefinitions.Count);
Assert.AreEqual(3, grid.ColumnDefinitions.Count);
Assert.AreEqual(7, grid.Children.Count);
Assert.AreEqual(true, grid.RowDefinitions[0].Height.IsAuto);
Assert.AreEqual(true, grid.RowDefinitions[1].Height.IsStar);
Assert.AreEqual(100.0, grid.RowDefinitions[2].Height.Value);
Assert.AreEqual(true, grid.ColumnDefinitions[0].Width.IsAuto);
Assert.AreEqual(true, grid.ColumnDefinitions[1].Width.IsStar);
Assert.AreEqual(100.0, grid.ColumnDefinitions[2].Width.Value);
var label = grid.Children[0] as Label;
Assert.IsNotNull(label);
Assert.AreEqual(Color.White, label.TextColor);
Assert.AreEqual(Color.Blue, label.BackgroundColor);
var boxview = grid.Children[1] as BoxView;
Assert.IsNotNull(boxview);
Assert.AreEqual(Color.Silver, boxview.Color);
boxview = grid.Children[2] as BoxView;
Assert.IsNotNull(boxview);
Assert.AreEqual(Color.Teal, boxview.Color);
}
/// <summary>
/// Xamarin.Forms.FindByName を変更する拡張メソッド
/// </summary>
/// <param name="page"></param>
/// <param name="name"></param>
/// <returns></returns>
public static object FindByName(this Xamarin.Forms.Page page, string name)
{
return(PageXaml.FindByName(page, name));
}
