зеркало из https://github.com/xamarin/ios-samples.git
Add new sample - ImageProtocol
This commit is contained in:
Rolf Bjarne Kvinge
Родитель
4045590c65
Коммит
272470b934
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//
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// AppDelegate.cs
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//
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// Author:
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// Rolf Bjarne Kvinge (rolf@xamarin.com)
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//
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// Copyright 2012, Xamarin Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using MonoTouch.Foundation;
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using MonoTouch.UIKit;
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namespace ImageProtocol
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{
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[Register ("AppDelegate")]
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public partial class AppDelegate : UIApplicationDelegate
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{
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UIWindow window;
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UIWebView web;
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UIViewController controller;
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public override bool FinishedLaunching (UIApplication application, NSDictionary options)
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{
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// Register our custom url protocol
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NSUrlProtocol.RegisterClass (new MonoTouch.ObjCRuntime.Class (typeof (ImageProtocol)));
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controller = new UIViewController ();
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web = new UIWebView (UIScreen.MainScreen.Bounds) {
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BackgroundColor = UIColor.White,
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ScalesPageToFit = true,
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AutoresizingMask = UIViewAutoresizing.All
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};
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controller.NavigationItem.Title = "Test case";
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controller.View.AutosizesSubviews = true;
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controller.View.AddSubview (web);
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web.LoadRequest (NSUrlRequest.FromUrl (NSUrl.FromFilename (NSBundle.MainBundle.PathForResource ("test", "html"))));
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window = new UIWindow (UIScreen.MainScreen.Bounds);
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window.MakeKeyAndVisible ();
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window.RootViewController = controller;
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return true;
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}
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}
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}
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//
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// ImageProtocol.cs
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//
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// Author:
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// Rolf Bjarne Kvinge (rolf@xamarin.com)
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//
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// Copyright 2012, Xamarin Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
|
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// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
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//
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// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
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// THE SOFTWARE.
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using MonoTouch.Foundation;
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using MonoTouch.UIKit;
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namespace ImageProtocol
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{
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public class ImageProtocol : NSUrlProtocol
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{
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[Export ("canInitWithRequest:")]
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public static bool canInitWithRequest (NSUrlRequest request)
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{
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return request.Url.Scheme == "custom";
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}
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[Export ("canonicalRequestForRequest:")]
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public static new NSUrlRequest GetCanonicalRequest (NSUrlRequest forRequest)
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{
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return forRequest;
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}
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[Export ("initWithRequest:cachedResponse:client:")]
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public ImageProtocol (NSUrlRequest request, NSCachedUrlResponse cachedResponse, NSUrlProtocolClient client)
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: base (request, cachedResponse, client)
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{
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}
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public override void StartLoading ()
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{
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var value = Request.Url.Path.Substring (1);
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using (var image = Render (value)) {
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using (var response = new NSUrlResponse (Request.Url, "image/jpeg", -1, null)) {
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using (var data = image.AsJPEG ()) {
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Client.ReceivedResponse (this, response, NSUrlCacheStoragePolicy.NotAllowed);
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Client.DataLoaded (this, data);
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Client.FinishedLoading (this);
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}
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}
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}
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}
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public override void StopLoading ()
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{
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}
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static UIImage Render (string value)
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{
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NSString text = new NSString (string.IsNullOrEmpty (value) ? " " : value);
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UIFont font = UIFont.SystemFontOfSize (20);
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SizeF size = text.StringSize (font);
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UIGraphics.BeginImageContextWithOptions (size, false, 0.0f);
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UIColor.Red.SetColor ();
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text.DrawString (new PointF (0, 0), font);
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UIImage image = UIGraphics.GetImageFromCurrentImageContext ();
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UIGraphics.EndImageContext ();
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return image;
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}
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}
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}
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@ -0,0 +1,108 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
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<ProductVersion>10.0.0</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{C7A10540-758C-4EB8-AE9E-F77D289F139D}</ProjectGuid>
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||||
<ProjectTypeGuids>{6BC8ED88-2882-458C-8E55-DFD12B67127B};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
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<OutputType>Exe</OutputType>
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<RootNamespace>ImageProtocol</RootNamespace>
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<AssemblyName>ImageProtocol</AssemblyName>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhoneSimulator' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\iPhoneSimulator\Debug</OutputPath>
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<DefineConstants>DEBUG;</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<ConsolePause>false</ConsolePause>
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<MtouchDebug>true</MtouchDebug>
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<MtouchProfiling>true</MtouchProfiling>
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<MtouchLink>None</MtouchLink>
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<MtouchI18n />
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<MtouchArch>ARMv7</MtouchArch>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
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<DebugType>none</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\iPhoneSimulator\Release</OutputPath>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<ConsolePause>false</ConsolePause>
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<MtouchLink>None</MtouchLink>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\iPhone\Debug</OutputPath>
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<DefineConstants>DEBUG;</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<ConsolePause>false</ConsolePause>
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<CodesignKey>iPhone Developer</CodesignKey>
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<MtouchDebug>true</MtouchDebug>
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<MtouchProfiling>true</MtouchProfiling>
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<IpaPackageName />
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<CrashReportingApiKey />
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<MtouchI18n />
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<MtouchArch>ARMv7</MtouchArch>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
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<DebugType>none</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\iPhone\Release</OutputPath>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<ConsolePause>false</ConsolePause>
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<CodesignKey>iPhone Developer</CodesignKey>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Ad-Hoc|iPhone' ">
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<DebugType>none</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\iPhone\Ad-Hoc</OutputPath>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<ConsolePause>false</ConsolePause>
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<BuildIpa>true</BuildIpa>
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<CodesignKey>iPhone Distribution</CodesignKey>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'AppStore|iPhone' ">
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<DebugType>none</DebugType>
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<Optimize>true</Optimize>
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||||
<OutputPath>bin\iPhone\AppStore</OutputPath>
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||||
<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<ConsolePause>false</ConsolePause>
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<CodesignKey>iPhone Distribution</CodesignKey>
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</PropertyGroup>
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<ItemGroup>
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||||
<Reference Include="System" />
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<Reference Include="System.Xml" />
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<Reference Include="System.Core" />
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<Reference Include="monotouch" />
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</ItemGroup>
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<ItemGroup>
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<None Include="Info.plist" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Main.cs" />
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<Compile Include="AppDelegate.cs" />
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<Compile Include="ImageProtocol.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
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<ItemGroup>
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<Content Include="test.html" />
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<Content Include="icons\114_icon.png" />
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<Content Include="icons\29_icon.png" />
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||||
<Content Include="icons\50_icon.png" />
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||||
<Content Include="icons\57_icon.png" />
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||||
<Content Include="icons\58_icon.png" />
|
||||
<Content Include="icons\72_icon.png" />
|
||||
<Content Include="icons\144_icon.png" />
|
||||
</ItemGroup>
|
||||
</Project>
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||||
|
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@ -0,0 +1,32 @@
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Microsoft Visual Studio Solution File, Format Version 11.00
|
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# Visual Studio 2010
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImageProtocol", "ImageProtocol.csproj", "{C7A10540-758C-4EB8-AE9E-F77D289F139D}"
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||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|iPhoneSimulator = Debug|iPhoneSimulator
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||||
Release|iPhoneSimulator = Release|iPhoneSimulator
|
||||
Debug|iPhone = Debug|iPhone
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||||
Release|iPhone = Release|iPhone
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||||
Ad-Hoc|iPhone = Ad-Hoc|iPhone
|
||||
AppStore|iPhone = AppStore|iPhone
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||||
EndGlobalSection
|
||||
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Ad-Hoc|iPhone.ActiveCfg = Ad-Hoc|iPhone
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Ad-Hoc|iPhone.Build.0 = Ad-Hoc|iPhone
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.AppStore|iPhone.ActiveCfg = AppStore|iPhone
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.AppStore|iPhone.Build.0 = AppStore|iPhone
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Debug|iPhone.ActiveCfg = Debug|iPhone
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Debug|iPhone.Build.0 = Debug|iPhone
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Debug|iPhoneSimulator.ActiveCfg = Debug|iPhoneSimulator
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Debug|iPhoneSimulator.Build.0 = Debug|iPhoneSimulator
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Release|iPhone.ActiveCfg = Release|iPhone
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Release|iPhone.Build.0 = Release|iPhone
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Release|iPhoneSimulator.ActiveCfg = Release|iPhoneSimulator
|
||||
{C7A10540-758C-4EB8-AE9E-F77D289F139D}.Release|iPhoneSimulator.Build.0 = Release|iPhoneSimulator
|
||||
EndGlobalSection
|
||||
GlobalSection(MonoDevelopProperties) = preSolution
|
||||
StartupItem = ImageProtocol.csproj
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
<plist version="1.0">
|
||||
<dict>
|
||||
<key>CFBundleDisplayName</key>
|
||||
<string>Image Protocol Sample</string>
|
||||
<key>CFBundleIconFiles</key>
|
||||
<array>
|
||||
<string>icons/57_icon.png</string>
|
||||
<string>icons/114_icon.png</string>
|
||||
<string>icons/72_icon.png</string>
|
||||
<string>icons/144_icon.png</string>
|
||||
</array>
|
||||
<key>CFBundleIdentifier</key>
|
||||
<string>com.xamarin.imageprotocolsample</string>
|
||||
<key>CFBundleVersion</key>
|
||||
<string>1.0</string>
|
||||
<key>MinimumOSVersion</key>
|
||||
<string>5.0</string>
|
||||
<key>UIDeviceFamily</key>
|
||||
<array>
|
||||
<integer>1</integer>
|
||||
<integer>2</integer>
|
||||
</array>
|
||||
<key>UISupportedInterfaceOrientations</key>
|
||||
<array>
|
||||
<string>UIInterfaceOrientationPortrait</string>
|
||||
<string>UIInterfaceOrientationPortraitUpsideDown</string>
|
||||
<string>UIInterfaceOrientationLandscapeLeft</string>
|
||||
<string>UIInterfaceOrientationLandscapeRight</string>
|
||||
</array>
|
||||
<key>UISupportedInterfaceOrientations~ipad</key>
|
||||
<array>
|
||||
<string>UIInterfaceOrientationPortrait</string>
|
||||
<string>UIInterfaceOrientationPortraitUpsideDown</string>
|
||||
<string>UIInterfaceOrientationLandscapeLeft</string>
|
||||
<string>UIInterfaceOrientationLandscapeRight</string>
|
||||
</array>
|
||||
</dict>
|
||||
</plist>
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
//
|
||||
// AppDelegate.cs
|
||||
//
|
||||
// Author:
|
||||
// Rolf Bjarne Kvinge (rolf@xamarin.com)
|
||||
//
|
||||
// Copyright 2012, Xamarin Inc.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
|
||||
using MonoTouch.Foundation;
|
||||
using MonoTouch.UIKit;
|
||||
|
||||
namespace ImageProtocol
|
||||
{
|
||||
public class Application
|
||||
{
|
||||
static void Main (string[] args)
|
||||
{
|
||||
UIApplication.Main (args, null, "AppDelegate");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
ImageProtocol
|
||||
=============
|
||||
|
||||
This sample illustrates how to register a custom NSUrlProtocol.
|
||||
|
||||
Note that this sample requires at least MonoTouch 5.3.3
|
||||
|
||||
Authors
|
||||
-------
|
||||
|
||||
Rolf Bjarne Kvinge
|
||||
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<html>
|
||||
<head>
|
||||
<title>NSUrlProtocol Example</title>
|
||||
</head>
|
||||
<body>
|
||||
|
||||
<img src="custom:///NSUrlProtocol%20Example">
|
||||
|
||||
<!-- we have implemented a special NSURLProtocol that uses the 'special'
|
||||
scheme to identify urls it is capable of handling. Our protocol simply
|
||||
renders the path part of the URL into a jpeg image. We use this scheme
|
||||
here to produce images in the html. -->
|
||||
|
||||
<form action="" method="get" onSubmit="return false;">
|
||||
<p>Type your text here:<br>
|
||||
<input name="exampletext" id="stringtext" type="text" size="21" onKeyUp="NewText();" value="Example Text"></p>
|
||||
<img src="custom:///Example%20Text" id="stringimage">
|
||||
</form>
|
||||
|
||||
<script type="text/javascript" language="javascript">
|
||||
|
||||
function NewText() {
|
||||
var textField = document.getElementById('stringtext');
|
||||
var image = document.getElementById('stringimage');
|
||||
var theNewURL = 'custom:///' + escape(textField.value);
|
||||
image.src = theNewURL;
|
||||
}
|
||||
|
||||
</script>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
Загрузка…
Ссылка в новой задаче