Enable Remote Debugging of Android WebViews at Runtime with Frida

FridaEnableRemoteDebuggingAndroidWebViews.js

/*
Enable remote debugging of Android WebViews at Runtime using Frida
*/
Java.perform(function() {
        Java.choose("android.webkit.WebView", {
            "onMatch": function(o) {
                try {
                    // Use a Runnable to invoke the setWebContentsDebuggingEnabled
                    // method in the same thread as the WebView
                    var Runnable = Java.use('java.lang.Runnable');
                    var MyRunnable = Java.registerClass({
                        name: 'com.example.MyRunnable',
                        implements: [Runnable],
                        methods: {
                            'run': function() {
                                o.setWebContentsDebuggingEnabled(true);
                                console.log('WebView Debugging should be enabled');
                            }
                        }
                    });
                    var runnable = MyRunnable.$new();
                    o.post(runnable);
                } catch (e) {
                    console.log("Execution failed " + e.message);
                }
            },
            "onComplete": function() {
                console.log("Execution completed")
            }
        })
    }
);