Android JS calls Java code or uses JavaScript-related techniques to change how to confuse

Http://www.androidren.com/index.php?qa=282&qa_1=android JS calls Java code or uses JavaScript-related techniques to change how to confuse

Android 4.2 Start JS call Java code must add @JavascriptInterface to call.

Add @JavascriptInterface after you have to consider the confusion of the time of the problem, if confused when the @JavascriptInterface lost your program can not be called.

It's really simple, you just need to add in the confusion:

-keepattributes Annotation

-keepattributes Javascriptinterface

At the same time, the relevant code also needs to add Keep:

-keep Public class Com.google.android.webviewdemo. Webviewdemo. Demojavascriptinterface

-keep Public class * implementsCom.google.android.webviewdemo. Webviewdemo. Demojavascriptinterface

-keepclassmembers Class * implements Com.google.android.webviewdemo. Webviewdemo. Demojavascriptinterface {

*;

}

Android JS calls Java code or uses JavaScript-related techniques to change how to confuse