Sort NSArray of custom objects by their NSDate properties

Question

I am attempting to sort an NSArray that is populated with custom objects. Each object has a property startDateTime that is of type NSDate.

The followin

Answer 1

You can achieve like this,

NSSortDescriptor *descriptor = [[NSSortDescriptor alloc] initWithKey:@"anyDateField"  ascending:YES];

NSMutableArray *arr = [[array sortedArrayUsingDescriptors:[NSArray arrayWithObjects:descriptor,nil]]mutableCopy];