Starting Android 4.4 (KitKat), you can use the DevTools to debug the contents of Android WebViews inside native Android applications. Debugging WebViews requires: An Android device or emulator running Android 4.4 or later, with USB debugging enabled as described in 2. Enable USB debugging on your device . Chrome 30 or later. Enhanced WebView debugging UI is available in Chrome 31 or later. An Android application with a WebView configured for debugging. Android Developer
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