After visiting the above links, I come up with this code and hope this helps.
wv.getSettings().setSupportMultipleWindows(true);
wv.setWebChromeClient(new WebChromeClient() {
@Override
public boolean onCreateWindow(WebView view, boolean dialog, boolean userGesture, android.os.Message resultMsg)
{
WebView.HitTestResult result = view.getHitTestResult();
String data = result.getExtra();
Context context = view.getContext();
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(data));
context.startActivity(browserIntent);
return false;
}
});