Uri uri = null;
try {
uri = Uri.parse("http://www.baidu.com/s?&ie=utf-8&oe=UTF-8&wd=" + URLEncoder.encode(searchText,"UTF-8"));
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}
final Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(uri);
startActivity(i);