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Code Issues Releases Wiki Activity

hybrid web view and duo html/js

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This commit is contained in:
Kyle Spearrin
2017-06-28 10:09:52 -04:00
parent 45c5801538
commit d71bc775d5
8 changed files with 801 additions and 136 deletions
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2
src/Android/Android.csproj
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@@ -116,6 +116,7 @@
<Private>True</Private>
</Reference>
<Reference Include="Mono.Android" />
<Reference Include="Mono.Android.Export" />
<Reference Include="mscorlib" />
<Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
<HintPath>..\..\packages\Newtonsoft.Json.9.0.1\lib\portable-net45+wp80+win8+wpa81\Newtonsoft.Json.dll</HintPath>
@@ -302,6 +303,7 @@
<Compile Include="AutofillCredentials.cs" />
<Compile Include="Controls\CustomSearchBarRenderer.cs" />
<Compile Include="Controls\CustomButtonRenderer.cs" />
<Compile Include="Controls\HybridWebViewRenderer.cs" />
<Compile Include="Controls\ExtendedButtonRenderer.cs" />
<Compile Include="Controls\ExtendedTabbedPageRenderer.cs" />
<Compile Include="Controls\ExtendedTableViewRenderer.cs" />

72
src/Android/Controls/HybridWebViewRenderer.cs Normal file
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@@ -0,0 +1,72 @@
using System;
using Bit.Android.Controls;
using Bit.App.Controls;
using Xamarin.Forms;
using Xamarin.Forms.Platform.Android;
using Android.Webkit;
using AWebkit = Android.Webkit;
using Java.Interop;
[assembly: ExportRenderer(typeof(HybridWebView), typeof(HybridWebViewRenderer))]
namespace Bit.Android.Controls
{
public class HybridWebViewRenderer : ViewRenderer<HybridWebView, AWebkit.WebView>
{
private const string JSFunction = "function invokeCSharpAction(data){jsBridge.invokeAction(data);}";
protected override void OnElementChanged(ElementChangedEventArgs<HybridWebView> e)
{
base.OnElementChanged(e);
if(Control == null)
{
var webView = new AWebkit.WebView(Forms.Context);
webView.Settings.JavaScriptEnabled = true;
SetNativeControl(webView);
}
if(e.OldElement != null)
{
Control.RemoveJavascriptInterface("jsBridge");
var hybridWebView = e.OldElement as HybridWebView;
hybridWebView.Cleanup();
}
if(e.NewElement != null)
{
Control.AddJavascriptInterface(new JSBridge(this), "jsBridge");
Control.LoadUrl(Element.Uri);
InjectJS(JSFunction);
}
}
private void InjectJS(string script)
{
if(Control != null)
{
Control.LoadUrl(string.Format("javascript: {0}", script));
}
}
public class JSBridge : Java.Lang.Object
{
private readonly WeakReference<HybridWebViewRenderer> _hybridWebViewRenderer;
public JSBridge(HybridWebViewRenderer hybridRenderer)
{
_hybridWebViewRenderer = new WeakReference<HybridWebViewRenderer>(hybridRenderer);
}
[JavascriptInterface]
[Export("invokeAction")]
public void InvokeAction(string data)
{
HybridWebViewRenderer hybridRenderer;
if(_hybridWebViewRenderer != null && _hybridWebViewRenderer.TryGetTarget(out hybridRenderer))
{
hybridRenderer.Element.InvokeAction(data);
}
}
}
}
}