protected boolean isCalloutActive(){
  return m_mTab != null ? m_mTab.getActiveCallouts().length > 1 : false;
}

protected boolean isCalloutActive ( ) { return m_mTab != null ? m_mTab . getActiveCallouts ( ) . length > 1 : false ; }
is the current callout being called in the middle of another callout doing her works . callout can use gridtab . getactivecalloutinstance ( ) method to find out callout for which field is running .
