title: How to Apply mask to string value
body: <p>i want to apply format mask like "#0" to my number field which is string like "6000",
  i tried different types of formatting,but it didnt help,can anyone tell me how to handle this in android please</p>
  
  <p>I am looking for something like when i do this <code>formatString("6000", "#,##0.00")</code> it should give me the formatted output <code>6,000.00</code></p>