Android WebView JavaScript

How to run javascript in Android WebView

Use loadUrl, URL should starts with “javascript:”.

WebView webView = (WebView)findViewById(R.id.rakutensignin);
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl("javascript:document.form.namelabel.value=UserName");

Actual javascript codes are after “javascript:”

Be careful, to make JavaScriptEnabled enbled.