Cross-platform asynchronous invocation instance between Android and JS _android

Cross-platform asynchronous invocation between Android and JS

Why the sudden need to do this problem?

It took nearly 1 days to figure out the solution to the problem of dog blood when developing a browser, and Android and Javascirpt were intermodulation.

Because the interface is crawled by someone else, so there is a JS cross-domain problem, Android shiny debut buttoned up.

GIF Animation demo

　　

WebView Related Settings

WebSettings mwebsettings = GetSettings ();
Mwebsettings.setdefaulttextencodingname ("UTF-8");/Set the default display encoding

mwebsettings.setjavascriptenabled (TRUE); Call the JS method. Android version is greater than 17 plus annotation @JavascriptInterface

Directly enlarge recruit-> paste Code

Android

Addjavascriptinterface (New Object () {@JavascriptInterface public void toastmessage (final String URL, final i
        NT type, final int dir) {l.e ("url =" + URL + "type =" + Type + "DIR =" + dir); Apiwrapper.getinstance (). Getlenovoword (URL). Subscribeon (Schedulers.io ()). Observeon (
              Androidschedulers.mainthread ()). Subscribe (New rxsubscriber<responsebody> () {@Override public void _onnext (Responsebody responsebody) {try {String data = Respons
                  Ebody.string ();
                  L.E ("data =" + data);
                Loadurl ("javascript:rescompleted + data +", "+ Type +", "+ dir +"));
                catch (IOException e) {e.printstacktrace (); @Override public void _OnError (String msg) {Loadurl ("Javas
       cript:rescompleted ("+ msg +"));       }
            }); }, "Android");

Html

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