title: Get webview cursor position
body: <p>I am using <code>WebView</code> as rich text editor from a library to insert a string into the cursor's current position.</p>
  <p>In <code>EditText</code> I am able to know cursor current position using <code>getSelectionStart</code> and <code>getSelectionEnd</code>, but in <code>WebView</code> there is no such method.</p>
  <p>How to get cursor current location and insert string to that location ?</p>