android - Back and forward with loadDataWithBaseURL -

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resultview.loaddatawithbaseurl(                             resulttextmaker.asset_url,                             searchresult == definition_not_found ?                                     resulttextmaker.getnoresulthtml(definition.getword(), nodefinitionstr) :                                         resulttextmaker.getresulthtml(),                                         "text/html", "utf-8", null);

hi, have code display result in webview. how implement , forward capability it? don't know pass the fifth parameter of loaddatawithbaseurl. search result html.

the fifth parameter url want into. passing null defaults 'about:blank'


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