AndroidProGuard加密webview的JavascriptInterface注解annotation的问题

或作或辍&＃xff0c;一曝十寒&＃xff0c;则虽读书百年&＃xff0c;吾未见其可也。——&＃xff08;明&＃xff09;吴梦祥

原因&＃xff1a;
使用 &＃64;android.webkit.JavascriptInterface 和 JavascriptInterface 原因导致加密后找不到这个类的方法&＃xff0c;主要是加密后原有的类下方法是普通的annotation&＃xff0c;无法导入js交互中。

// Compiled from JavascriptInterface.java (version 1.5 : 49.0, no super bit)
&＃64;java.lang.annotation.Retention(value&＃61;java.lang.annotation.RetentionPolicy.RUNTIME)
&＃64;java.lang.annotation.Target(value&＃61;{java.lang.annotation.ElementType.METHOD})
public abstract &＃64;interface android.webkit.JavascriptInterface extends java.lang.annotation.Annotation {}


加密过程的警告可以忽略&＃xff1a;

Note: the configuration refers to the unknown class &＃39;com.xx.WebViewActivity.JavascriptInterface&＃39;Maybe you meant the fully qualified name &＃39;android.webkit.JavascriptInterface&＃39;?
Note: the configuration refers to the unknown class com.xx.WebViewActivity.JavascriptInterface&＃39;Maybe you meant the fully qualified name &＃39;android.webkit.JavascriptInterface&＃39;?
Note: the configuration refers to the unknown class &＃39;com.xx.WebViewActivity.JavascriptInterface&＃39;Maybe you meant the fully qualified name &＃39;android.webkit.JavascriptInterface&＃39;?
Note: the configuration refers to the unknown class &＃39;JavascriptInterface&＃39;Maybe you meant the fully qualified name &＃39;android.webkit.JavascriptInterface&＃39;?
Note: there were 4 references to unknown classes.You should check your configuration for typos.
Note: there were 1 unresolved dynamic references to classes or interfaces.You should check if you need to specify additional program jars.
Note: there were 1 accesses to class members by means of introspection.You should consider explicitly keeping the mentioned class members(using &＃39;-keep&＃39; or &＃39;-keepclassmembers&＃39;).


最后解决&＃xff1a;


-keepclassmembers class com.xx.WebViewActivity$JavascriptInterface {public ;public ;
}# keep annotated by JavascriptInterface
-keep &＃64;com.xx..WebViewActivity.JavascriptInterface class * {;;
}-keep class * {&＃64;com.xx.WebViewActivity.JavascriptInterface;
}-keepclassmembers class * {&＃64;com.xx.WebViewActivity.JavascriptInterface;
}-keep class android.support.** {;;
}-keep class com.xx.WebViewActivity.** {;;
}-keepclassmembers classcom.xx.WebViewActivity$JavascriptInterface {;
}

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