android - WebAppInterface in WebView does not call onBackPressed -


i've fragment webview inside. added custom webappinterface has method

@javascriptinterface public void submitcorrect() {    log.d("submit", "submit");    getactivity().onbackpressed();    //getactivity().getfragmentmanager().popbackstack(); }

debugging saw method called but, don't know why, neither onbackpressed or popbackstack working. advice?

perhaps finishing activity instead work:

@javascriptinterface public void submitcorrect() {    log.d("submit", "submit");    activity activity = getactivity();    if (activity != null)         activity.finish(); }

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