hk_write_steps_2.m

/**
 On Write Steps Action
 */
- (IBAction)onWriteStepsAction:(id)sender {
    
    // Steps
    NSInteger steps = 100;
    
    // Get date
    NSDate *now = [NSDate date];
    
    // Get startdate (before 60 seconds from now)
    NSDate *startDate = [now dateByAddingTimeInterval:-60];
    
    // Set end date
    NSDate *endDate = now;
    
    // Write steps with startdate, enddate
    [[HealthKitManager sharedInstance] writeSteps:steps
                                        startDate:startDate
                                          endDate:endDate withFinishBlock:^(NSError *error) {
                                              // result block
                                              if (error) {
                                                  // handle error
                                                  NSLog(@"error : %@",error);
                                              } else {
                                                  // success writing steps
                                              }
    }];
}