- (void)querystepcount
{
if (![hkhealthstore ishealthdataavailable])
{
nslog(@"设备不支持healthkit"); return;
}
_healthstore = [[hkhealthstore alloc] init];
hkobjecttype *type1 = [hkobjecttype quantitytypeforidentifier:hkquantitytypeidentifierstepcount]; // 步数
nsset *set = [nsset setwithobjects:type1, nil]; // 读集合
__weak typeof (&*self) weakself = self;
[_healthstore requestauthorizationtosharetypes:nil readtypes:set completion:^(bool success, nserror * _nullable error) {
if (success)
{
[weakself readstepcount];
} else
nslog(@"healthkit不允许读写");
}
}];
}
//查询数据
- (void)readstepcount
{
//查询采样信息
hkquantitytype *sampletype = [hkquantitytype quantitytypeforidentifier:hkquantitytypeidentifierstepcount];
//nssortdescriptors用来告诉healthstore怎么样将结果排序。
nssortdescriptor *start = [nssortdescriptor sortdescriptorwithkey:hksamplesortidentifierstartdate ascending:no];
nssortdescriptor *end = [nssortdescriptor sortdescriptorwithkey:hksamplesortidentifierenddate ascending:no];
/*查询的基类是hkquery，这是一个抽象类，能够实现每一种查询目标，这里我们需要查询的步数是一个
hksample类所以对应的查询类就是hksamplequery。
下面的limit参数传1表示查询最近一条数据,查询多条数据只要设置limit的参数值就可以了
*/
nscalendar *calendar = [[nscalendar alloc] initwithcalendaridentifier:nscalendaridentifiergregorian];
nsdatecomponents *datecom = [calendar components:nsyearcalendarunit | nsmonthcalendarunit | nsdaycalendarunit | nshourcalendarunit | nsminutecalendarunit | nssecondcalendarunit fromdate:[nsdate date]];
nsdate *startdate, *enddate;
enddate = [calendar datefromcomponents:datecom];
[datecom sethour:0];
[datecom setminute:0];
[datecom setsecond:0];
startdate = [calendar datefromcomponents:datecom];
nspredicate *predicate = [hkquery predicateforsampleswithstartdate:startdate enddate:enddate options:hkqueryoptionstrictstartdate];
// 从锚点为0处开始查询符合条件的所有记录
hkanchoredobjectquery *q1 = [[hkanchoredobjectquery alloc] initwithtype:sampletype predicate:predicate anchor:hkanchoredobjectquerynoanchor limit:hkobjectquerynolimit completionhandler:^(hkanchoredobjectquery * _nonnull query, nsarray<__kindof hksample *> * _nullable results, nsuinteger newanchor, nserror * _nullable error) {
double sum = 0;
// nslog(@"results==%@", results);
for (hkquantitysample *res in results)
sum += [res.quantity doublevalueforunit:[hkunit countunit]];
nslog(@"anchor%@查询步数=%@步", @(newanchor), @(sum));
// 从锚点为0处开始查询符合条件的一条记录，查询结果得到的锚点是12160
hkanchoredobjectquery *q2 = [[hkanchoredobjectquery alloc] initwithtype:sampletype predicate:predicate anchor:hkanchoredobjectquerynoanchor limit:1 completionhandler:^(hkanchoredobjectquery * _nonnull query, nsarray<__kindof hksample *> * _nullable results, nsuinteger newanchor, nserror * _nullable error) {
// 从锚点12160处开始查询符合条件的一条记录，锚点起到分页查询的作用
hkanchoredobjectquery *q3 = [[hkanchoredobjectquery alloc] initwithtype:sampletype predicate:predicate anchor:12160 limit:1 completionhandler:^(hkanchoredobjectquery * _nonnull query, nsarray<__kindof hksample *> * _nullable results, nsuinteger newanchor, nserror * _nullable error) {
nslog(@"device name:%@", res.device.name);
nslog(@"device manufacturer:%@", res.device.manufacturer);
nslog(@"device hardwareversion:%@", res.device.hardwareversion);
nslog(@"device firmwareversion:%@", res.device.firmwareversion);
nslog(@"device softwareversion:%@", res.device.softwareversion);
nslog(@"device localidentifier:%@", res.device.localidentifier);
nslog(@"device udideviceidentifier:%@", res.device.udideviceidentifier);
nslog(@"uuid:%@", res.uuid);
hksource *source = nil;
if ([uidevice currentdevice].systemversion.floatvalue >= 8)
{
source = res.sourcerevision.source;
nslog(@"source version:%@", res.sourcerevision.version);
} else
source = res.source;
}
nslog(@"source:%@", source.name);
nslog(@"source:%@", source.bundleidentifier);
nslog(@"metadata:%@", res.metadata);
//执行查询
[_healthstore executequery:q1];
[_healthstore executequery:q2];
[_healthstore executequery:q3];