QueryRecentLogs.m

QueryRecentLogs.m

HKSampleQuery *query = [[HKSampleQuery alloc] initWithSampleType:[HKQuantityType quantityTypeForIdentifier:HKQuantityTypeIdentifierDistanceWalkingRunning]
                                                           predicate:[HKSampleQuery predicateForObjectsWithNoCorrelation]
                                                               limit:20
                                                     sortDescriptors:@[[NSSortDescriptor sortDescriptorWithKey:HKSampleSortIdentifierEndDate ascending:NO]]
                                                      resultsHandler:^(HKSampleQuery *query, NSArray *results, NSError *error) {
    dispatch_async(dispatch_get_main_queue(), ^{
        _runLogs = [NSMutableArray arrayWithArray:results];
        [_tblRunLog reloadData];
    });
}];
// don't forget to run the query after you create it!
[_healthStore executeQuery:query];