JsBridge | 1、Android Native 代码用法有两种 直接使用JsBridgeWebView
kandi X-RAY | JsBridge Summary
kandi X-RAY | JsBridge Summary
1、Android Native 代码用法有两种 直接使用JsBridgeWebView.
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Top functions reviewed by kandi - BETA
- Handles a JSON message
- Create BridgeMessage from json string
- Gets the callbackId
- Gets the alert data
- Call the handler with the given data
- Queue a bridge message
- Send a string message
- Returns a product callback id
- Called when the application is finished
- Escape all special characters in a JSON string
- Dispatches a bridge message
- Convert this request to a JSON string
- Create the web view
- Initialize web view
- Register bridge handler
- Call a handler with the provided data
- Loads the JavaScript from the web view
- Read asset file to string
- Initializes the bridge
- Gets the name of the JavaScript
- Removes all bridge handlers
- This function is called when the bridge is invoked
- Get data from url
- Override this method to be called when an activity is received
- Initialize stetho
JsBridge Key Features
JsBridge Examples and Code Snippets
Community Discussions
Trending Discussions on JsBridge
QUESTION
Upcalls from JavaScript to JavaFX works fine. But if I add a variable containing the VLCJ player implementation then everything stops working.
Main.java:
...ANSWER
Answered 2021-Mar-02 at 14:07Solved the problem thanks to this answer: https://stackoverflow.com/a/53618875/10946427
It turns out my JSBridge was being destroyed by the garbage collector and because of VLCJ it was faster.
If you create a JSBridge variable inside the class, then the garbage collector will not destroy it and everything will work.
QUESTION
I'm using a webview in xamarin, i followed many tutorials to handle navigation, and all works fine. My issue is : when an anchor tag has a target="_blank" the event Navigating is never fired.
I see arround someone give a javascript solution which remove target=_blank and attach it at the end of href link.
Is really that the right way to do that? Look wired..
Thank you
This is initialization in xamarin.android renderer
...ANSWER
Answered 2020-Nov-05 at 14:35After the great help of Jack Hua i'm able to solve the problem. In OnElementChanged of Hybrid renderer i set support for multiple windows.
QUESTION
I am trying to set a view for a lookup field in Resco using JSBridge But the code does not work. Can you please point out where i am going wrong.
Below is my code --
...ANSWER
Answered 2020-Aug-23 at 02:37So i found the answer to my above query. Below is the working code to set lookup view dynamically in resco.
Posting it so that it helps others.
QUESTION
I will try and explain everything to the best of my ability, but I am new to using Xamarin so please bear with me while I try to give you an understanding of my situation.
I am using Xamarin Forms to build an Android application, I already have a desktop application that uses Electron so I have lots of pre-built user interface in HTML which I am using in a HybridWebView for the interface and JSBridge to call the C# code.
My application will only be installed on a clients network of devices, and we have set up a foreground service, that has a service notification to keep the background jobs running; this is all working as intended.
Calling C# code from the HTML interface is easy enough using the JSBridge / HybridWebView, however, I am unable to find a way that allows my C# functions inside the JSBridge class to talk to my foreground service which has already been started by the MainActivity, this service runs background jobs that return data that my UI will need access to.
My Service is being started in the MainActivity OnCreate like so:
...ANSWER
Answered 2020-Mar-29 at 04:12As suggested by SushiHangover, using a bound service is the way to go.
The documentation isn't very helpful and while it says a bound service calls OnBind() to start, it also mentions that it can also call OnStartCommand. However, the documentation doesn't mention that to have OnStartCommand fire you need to call StartService as well as BindService.
Example:
QUESTION
I followed the post to create a custon WebView to interact with client JavaScript: https://docs.microsoft.com/es-es/xamarin/xamarin-forms/app-fundamentals/custom-renderer/hybridwebview
But when I try to load a page, for example https://www.google.es, the wevView shows an "ERROR_FILE_NOT_FOUND" loading the page "file:///android_asset/Content/https://www.google.es"
This the OnElementChanged of the HybridWebViewRenderer:
...ANSWER
Answered 2020-Mar-25 at 15:47Solved:
Changing the LoadUrl method:
QUESTION
I need to execute a function defined in wpf project, which is called from JS in a https
web page.
The demo project of all codes is here: https://github.com/tomxue/WebViewIssueInWpf
JS part: The web page link is https://cmsdev.lenovo.com.cn/musichtml/leHome/weather/index.html?date=&city=&mark=0&speakerId=&reply=
And it contains below line:
...ANSWER
Answered 2020-Mar-02 at 14:47HTTPS link worked fine for me, maybe the page is too slow to load?
According to Microsoft (source), only ScriptNotify
is supported in WebView
:
Can I inject native objects into my WebViewControl content?
No. Neither the WebBrower (Internet Explorer) ObjectForScripting property nor the WebView (UWP) AddWebAllowedObject method are supported in WebViewControl. As a workaround, you can use window.external.notify/ ScriptNotify and JavaScript execution to communicate between the layers, for example: https://github.com/rjmurillo/WebView_AddAllowedWebObjectWorkaround
But the above suggested workaround solution seems to work differently to your expectation, so I just implement my own solution to emulate the JSBridge convention you have expected.
My custom solution is not battle-tested, it might break in some edge cases but it seems to work fine in few simple tests.
What's supported:
- Multiple bridge objects
- JS to C# method call
- JS to C# get/set property
C# Usage:
QUESTION
I am using Xamarin.Forms with Prism and the Syncfusion RichTextEditor component on an Android device. The issue I am having is that I can't seem to retrieve the edited text back in the view model. I have used a binding to the Text property, which is always null. I have tried to add an event handler for "TextChanged" event in the code behind - this event is never fired. I have attempted to call RichTextEditor.GetHtmlString() in the code behind too - which returns null.
The editor displays correctly in the app and all editing functionality(bold, italic etc.) seem to work just fine, however a warning in the output log shows:
[INFO:CONSOLE(1)] "Uncaught TypeError: jsBridge.invokeAction is not a function", source: (1)12-19 11:10:32.963 I/chromium(13310): [INFO:CONSOLE(1)] "Uncaught TypeError: jsBridge.invokeAction is not a function", source: (1)
Xamarin.Forms - 4.4.0.991265
Syncfusion.Xamarin.SfRichTextEditor - 17.4.0.39
Edit: Syncfusion support have provided an example where the modified text is correctly updated in the view model. The only visible difference is that it is using Unity not DryIoc. I have created a replica sample project using DryIoc and the updated text is still correctly being populated in the view model... must be something to do with the project setup!!
...ANSWER
Answered 2020-Jan-08 at 11:16After removing all nugets and unrelated code from the solution my code still returned null when updating the text.
Looking into the Android project setup vs the newly created sample solution I found that the "Dex Compiler" was set to D8 in my project but DX by default in both test solutions, changing that to DX fixed the issue... Text and HtmlText are now correctly being bound to the viewmodel and I can extract their values!
QUESTION
I'm trying to migrate from a UIWebView to WKWebView. shouldStartLoadWithRequest delegate method I could find the request as below:
...ANSWER
Answered 2019-Aug-21 at 03:17As I know the equivalent of webView:shouldStartLoadWithRequest:navigationType:
in UIWebView
is webView:decidePolicyForNavigationAction:decisionHandler:
in WKWebView
.
Inside webView:decidePolicyForNavigationAction:decisionHandler:
, you can get the request from navigationAction
.
QUESTION
I am trying to create a hybrid webview which is going to get its html data from the web api, the data which api is returning is in the form of string. The problem which i am facing right now i am not able to bind or load the url of web on my hybrid webview i am not able to understand where the thing has to be change.
Here is the code which i have tried till now but could not make it work
here is custom control
...ANSWER
Answered 2019-Jun-04 at 02:54hybrid webview which is going to get its html data from the web api
You get HTML data, not a url, so
Android:
you shouldn't use Control.LoadUrl($"{Element.Uri}");
method when you load it,change it to Control.LoadData($"{Element.Uri}","text/html","utf-8");
ios:
change Control.LoadRequest
to Control.LoadHtmlString($"{Element.Uri}", null);
QUESTION
I Have a custom hybridWebView for android and ios to load the URL. What I required is to pass a callback to the content page once the URL has completed the loading. Code as below, help would much appreciate.
Content Page
...ANSWER
Answered 2019-Apr-25 at 02:25you could use MessagingCenter to send and get the callback:
in your ContentPage,for example Page1.xaml.cs
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You can use JsBridge like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the JsBridge component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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