brunow/FormKit.m

self.formModel = [FKFormModel formTableModelForTableView:self.tableView navigationController:self.navigationController];

self.formModel.labelTextColor = [UIColor blackColor];
self.formModel.valueTextColor = [UIColor lightGrayColor];
  
[FKFormMapping mappingForClass:[Movie class] block:^(FKFormMapping *mapping) {
    [mapping sectionWithTitle:@"Information section" identifier:@"info"];
    [mapping mapAttribute:@"title" title:@"Title" type:FKFormAttributeMappingTypeText];
    [mapping mapAttribute:@"releaseDate" title:@"ReleaseDate" type:FKFormAttributeMappingTypeDate];
    [mapping mapAttribute:@"suitAllAges" title:@"All ages" type:FKFormAttributeMappingTypeBoolean];
    
    // Read-only field
    [mapping mapAttribute:@"shortName" title:@"ShortName" type:FKFormAttributeMappingTypeLabel];
    
    [mapping mapAttribute:@"numberOfActor" title:@"Number of actor" type:FKFormAttributeMappingTypeInteger];
    [mapping mapAttribute:@"content" title:@"Content" type:FKFormAttributeMappingTypeBigText];
    
    // Select fields using a picker or pushing a selection view controller
    [mapping mapAttribute:@"choice"
                        title:@"Choices"
                 showInPicker:NO
            selectValuesBlock:^NSArray *(id value, id object, NSInteger *selectedValueIndex){
                *selectedValueIndex = 1;
                return [NSArray arrayWithObjects:@"choice1", @"choice2", nil];
    } valueFromSelectBlock:^id(id value, id object, NSInteger selectedValueIndex) {
        return value;
    } labelValueBlock:^id(id value, id object) {
        return value;
    }];
    
    [mapping buttonSave:@"Save" handler:^{
    }];
    
    [self.formModel registerMapping:mapping];
}];

[self.formModel loadFieldsWithObject:movie];

[formMapping validationForAttribute:@"title" validBlock:^BOOL(NSString *value, id object) {
  return value.length < 10;
} errorMessageBlock:^NSString *(id value, id object) {
  return @"Text is too long.";
}];