20200706

wxr

2020-07-06 23c075a9c27946773feccf05abc90489a6bf5203

 Shared.IOS/UI/MyEchartsView.cs

@@ -5,41 +5,41 @@
using System.Collections.Generic;
using System;
using System.Runtime;
using WebKit;

namespace Shared
{
    /// <summary>
    /// Button 按键
    /// MyEchartsView
    /// 2020-06-19 UIWebView替换为WKWebView
    /// UIWebView已经弃用，后面再使用的APP将不能发布上架
    /// </summary>
    public class MyEchartsView : View
    {
        JsonData jsonData = new JsonData { };
        UIWebView uIWebView;
        WKWebView uIWebView;
        public MyEchartsView()
        {
            uIWebView = new UIWebView { };
            //默认布局，宽高为0的话会异常
            var mFrame = new CoreGraphics.CGRect(base.X, base.Y, 10, 10);
            uIWebView = new WKWebView(mFrame, new WKWebViewConfiguration()) { };
            uiView = uIWebView;
            uIWebView.ScrollView.Bounces = false;
            uIWebView.ScrollView.ScrollEnabled = false;
            uIWebView.NavigationDelegate = new OnWKNavigationDelegate(this);
            var filePath = NSBundle.MainBundle.PathForResource("echarts", "html");
            var url = new NSUrl(filePath);
            var request = new NSUrlRequest(url);
            uIWebView.LoadRequest(request);
            uIWebView.LoadFinished += (sender, e) => {
                uIWebView.EvaluateJavascript($"loadEcharts({Newtonsoft.Json.JsonConvert.SerializeObject(jsonData)},'undefined')");
            };
            var url = new NSUrl(filePath, false);
            uIWebView.LoadFileUrl(url, url);
        }

        public void Show(string title, string[] xArray, object[] yArray)
        {
            jsonData.Title = title;
            jsonData.XArray = xArray;
            jsonData.YArray = yArray;
            uIWebView.EvaluateJavascript($"loadEcharts({Newtonsoft.Json.JsonConvert.SerializeObject(jsonData)},'undefined')");
            EvaluateJavascript();
        }
        ///Users/hdl/MyFiles/My/Xamarin/MyApp/Library/Shared.IOS/UI/MyEchartsView.cs(30,30): Error CS0012: The type 'Attribute' is defined in an assembly that is not referenced.You must add a reference to assembly 'netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. (CS0012) (Shared.IOS)
        ///Users/hdl/MyFiles/My/Xamarin/MyApp/Demo/IOS/MTOUCH: Error MT2101: Can't resolve the reference 'System.Reflection.Emit.ILGenerator System.Reflection.Emit.DynamicMethod::GetILGenerator()', referenced from the method 'Newtonsoft.Json.Serialization.ObjectConstructor`1<System.Object> Newtonsoft.Json.Utilities.DynamicReflectionDelegateFactory::CreateParameterizedConstructor(System.Reflection.MethodBase)' in 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. (MT2101) (Demo.IOS)
        ///Users/hdl/MyFiles/My/Xamarin/MyApp/Demo/IOS/MTOUCH: Error MT2101: Can't resolve the reference 'System.Reflection.Emit.ILGenerator System.Reflection.Emit.DynamicMethod::GetILGenerator()', referenced from the method 'Newtonsoft.Json.Serialization.ObjectConstructor`1<System.Object> Newtonsoft.Json.Utilities.DynamicReflectionDelegateFactory::CreateParameterizedConstructor(System.Reflection.MethodBase)' in 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. (MT2101) (Demo.IOS)
        ///Users/hdl/MyFiles/My/Xamarin/MyApp/Demo/IOS/MTOUCH: Error MT2101: Can't resolve the reference 'System.Reflection.Emit.ILGenerator System.Reflection.Emit.DynamicMethod::GetILGenerator()', referenced from the method 'Newtonsoft.Json.Serialization.ObjectConstructor`1<System.Object> Newtonsoft.Json.Utilities.DynamicReflectionDelegateFactory::CreateParameterizedConstructor(System.Reflection.MethodBase)' in 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. (MT2101) (Demo.IOS)

        public string Unit
        {
            get
@@ -52,7 +52,41 @@
            }
        }

        
        public void EvaluateJavascript()
        {
            WKJavascriptEvaluationResult handler = (NSObject result, NSError err) => {
                if (err != null)
                {
                    HDLUtils.WriteLine("EvaluateJavascript:" + err);
                }
                if (result != null)
                {
                    HDLUtils.WriteLine("EvaluateJavascript:" + result);
                }
            };
            uIWebView.EvaluateJavaScript($"loadEcharts({Newtonsoft.Json.JsonConvert.SerializeObject(jsonData)},'undefined')", handler);

        }


        public class OnWKNavigationDelegate : WKNavigationDelegate
        {
            [Weak] MyEchartsView _MyEchartsView;

            public OnWKNavigationDelegate(MyEchartsView view)
            {
                _MyEchartsView = view;
            }


            public override void DidFinishNavigation(WKWebView webView, WKNavigation navigation)
            {
                Console.WriteLine("WKWebView DidFinishNavigation");
                _MyEchartsView.EvaluateJavascript();
            }
        }


        [Serializable]
        class JsonData
        {