LSPosed模块开发第二篇 hook Webview

hook webview的loadUrl方法

hook webview的loadUrl方法，打印webview加载的地址，修改参数将地址换成指定的url。

        Class<?> clazz  = lpparam.classLoader.loadClass("android.webkit.WebView");
        if (clazz != null) {
            XposedHelpers.findAndHookMethod(clazz, "loadUrl", String.class, new XC_MethodHook() {
                @Override
                protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
                    super.beforeHookedMethod(param);
                    Log.i(TAG, "beforeHookedMethod: url= " + param.args[0]); //打印参数
                    param.args[0] = "https://blog.csdn.net/u013170888";           //修改参数
                }

                @Override
                protected void afterHookedMethod(MethodHookParam param) throws Throwable {
                    super.afterHookedMethod(param);
                    Log.i(TAG, "afterHookedMethod: url= " + param.args[0]);  //打印修改后的参数
                }
            });
        }