使用Xposed强制androidwebView开启debug

从 https://developer.chrome.com/devtools/docs/remote-debugging 我们可以知道在android 4.4+可以通过在apk中使用下面的代码开启webview的chrome远程调试

1 2	WebView . setWebContentsDebuggingEnabled ( < span class = "keyword" > true < / span > ) ;

但我们开发中接触的apk往往是第三方的，没谁会为我们开启webContentsDebuggingEnabled。而Xposed能强制做到这一点

Xposed

Xposed能够勾住(Hook) Android应用程序对象的方法，实现AOP，一个简单的例子：

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

< span class = "keyword" > public < /span> class pan > WebViewHook < span class = "keyword" > implements < / span > IXposedHookLoadPackage {      < span class = "comment" > // handleLoadPackage 会在android加载每一个apk后执行      < span class = "keyword" > public < / span > void handleLoadPackage ( LoadPackageParam lpparam ) throws Throwable {          < span class = "comment" > // 可以从lpparam中获取当前apk的名字          < span class = "keyword" > if < /span> (! lpparam.packageName.equals("com.tencent.mobileqq" pan > ) ) {              < span class = "keyword" > return < /span>;         }         XposedBridge.log("WebViewHook handleLoadPackage: " pan > + lpparam . packageName ) ;          < span class = "comment" > // 勾住 WebView 所有的构造器          XposedBridge . hookAllConstructors ( WebView . < span class = "keyword" > class < /span>, new pan > XC_MethodHook ( ) {              @ Override              < span class = "keyword" > protected < / span > void beforeHookedMethod ( MethodHookParam param ) throws Throwable {                  < span class = "comment" > // 打开webContentsDebuggingEnabled                  XposedHelpers . callStaticMethod ( WebView . < span class = "keyword" > class < /span>, "setWebContentsDebuggingEnabled" pan > , < span class = "keyword" > true < /span>);                 XposedBridge.log("WebViewHook new WebView(): " pan > + packageName ) ;              }          } ) ;      } }

上面的代码可以为QQ打开WebView的webContentsDebuggingEnabled

Xposed工作原理可以参考文档： https://github.com/rovo89/XposedBridge/wiki/Development-tutorial

没有详细的API页面， 因为API也就几个，可以查看源代码： https://github.com/rovo89/XposedBridge/tree/master/src/de/robv/android/xposed

馋图

拿来主义

1、需要android 4.4+ Root手机

2、安装 Xposed框架

3、已开启QQ WebView的Apk： webviewdebughook.Apk

原创文章转载请注明：

转载自AlloyTeam：http://www.alloyteam.com/2015/04/%e4%bd%bf%e7%94%a8xposed%e5%bc%ba%e5%88%b6androidwebview%e5%bc%80%e5%90%afdebug%e6%a8%a1%e5%bc%8f/