android number format exception

Question

I get the following exception

java.lang.NumberFormatException: Invalid int: \"\"

It is happening when you try to store a value into

Answer 1

Generally speaking, exception processing is a good approach for this kind of undesired behavior :

if( obj != null && obj.getTargetWeight() != null ) {
 try {
  int i = Integer.parseInt( obj.getTargetWeight() );
  //do something if target weight is a number
 } catch( NumberFormatException ex ) {
   //do something if target weight was not a number.
 }
}

---edited to precise exception type