Getting step count on iOS

iOSで正しく歩数を取得する方法を説明します。

Transcript

1. J04Ͱਖ਼͘͠า਺Λऔಘ͢Δ
   TBUPTIJO!8*5$P-UE
   

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2. ৯ࣄه࿥ΞϓϦʮ͚͋͢Μʯ
   ࣌఺
   

   ໿ສਓ͕ར༻͢Δ
   ৯ࣄه࿥ʹಛԽͨ͠

   lϔϧεέΞzΞϓϦ
   

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3. ৯ࣄه࿥ΞϓϦʮ͚͋͢Μʯ
   ࣌఺
   

   ໿ສਓ͕ར༻͢Δ
   ৯ࣄه࿥ʹಛԽͨ͠

   lϔϧεέΞzΞϓϦ
   า਺͸ॏཁͳࢦඪͷҰͭ
   

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4. า਺ʹର͢Δಈػ෇͚
   !
   ফඅΧϩϦʔͷՄࢹԽ ϙΠϯτ ϙέϞϯ
   
   
   ͓ۚ
   

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5. J04ʹ͓͚Δา਺ͷऔಘํ๏
   w$.1FEPNFUFSΛར༻
   w)FBMUI,JUΛར༻
   

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6. J04ʹ͓͚Δา਺ͷऔಘํ๏
   w$.1FEPNFUFSΛར༻
   w)FBMUI,JUΛར༻
   

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7. $.1FEPNFUFSΛར༻͢Δ
   w TUBSUdFOE·ͰͷؒͰ୺຤Ͱݕ஌ͨ͠า਺Λऔಘ
   ‣ "QQMF8BUDIͷ৘ใऔಘ͸8BUDI"QQͰ࣮૷
   w औಘͰ͖Δͷ͸աڈ೔෼
   let pedometer = CMPedometer()
   pedometer.queryPedometerData(from: start, to: end)
   { (data, error) in
   print(data?.numberOfSteps)
   }
   

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8. J04ʹ͓͚Δา਺ͷऔಘํ๏
   .FUIPEPGHFUUJOHTUFQDPVOUPOJ04
   w$.1FEPNFUFSΛར༻
   w)FBMUI,JUΛར༻
   

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9. ʮ͍ͭʯɺʮԿาʯ͕֨ೲ
   )FBMUI,JUΛར༻͢Δ
   b)FBMUI`BQQา਺͢΂ͯͷσʔλΛදࣔ೔෇
   

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10. let store = HKHealthStore()
    let type =
    HKSampleType.quantityType(forIdentifier: .stepCount)!
    let predicate =
    HKQuery.predicateForSamples(withStart: start, end: end)
    let query =
    HKSampleQuery(sampleType: type,
    predicate: predicate,
    limit: HKObjectQueryNoLimit,
    sortDescriptors: nil)
    { (query, result, error) in
    let result = result as! [HKQuantitySample]
    let sum = result(0) {
    $0 + $1.quantity.doubleValue(for: .count())
    }
    print(sum)
    }
    store.execute(query)
    )FBMUI,JUΛར༻͢Δ
    

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11. let store = HKHealthStore()
    let type =
    HKSampleType.quantityType(forIdentifier: .stepCount)!
    let predicate =
    HKQuery.predicateForSamples(withStart: start, end: end)
    let query =
    HKSampleQuery(sampleType: type,
    predicate: predicate,
    limit: HKObjectQueryNoLimit,
    sortDescriptors: nil)
    { (query, result, error) in
    let result = result as! [HKQuantitySample]
    let sum = result(0) {
    $0 + $1.quantity.doubleValue(for: .count())
    }
    print(sum)
    }
    store.execute(query)
    )FBMUI,JUΛར༻͢Δ
    า਺Λ
    ظؒͰ
    શͯऔಘ
    ΫΤϦ࣮ߦ
    DPNQMFUJPOIBOEMFS
    

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12. let store = HKHealthStore()
    let type =
    HKSampleType.quantityType(forIdentifier: .stepCount)!
    let predicate =
    HKQuery.predicateForSamples(withStart: start, end: end)
    let query =
    HKSampleQuery(sampleType: type,
    predicate: predicate,
    limit: HKObjectQueryNoLimit,
    sortDescriptors: nil)
    { (query, result, error) in
    let result = result as! [HKQuantitySample]
    let sum = result(0) {
    $0 + $1.quantity.doubleValue(for: .count())
    }
    print(sum)
    }
    store.execute(query)
    )FBMUI,JUΛར༻͢Δ
    

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13. J1IPOF͔Βͷσʔλ
    "QQMF8BUDI͔Βͷσʔλ
    )FBMUI,JUΛར༻͢Δ
    ⚠ॏෳͯ͠Χ΢ϯτ͞ΕΔ
    J1IPOF͚ͩͰςετ͢Δͱɺ
    ্ख͍ͬͯͦ͘͏ʹݟ͑ΔͷͰ஫ҙ
    

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14. let store = HKHealthStore()
    let type =
    HKSampleType.quantityType(forIdentifier: .stepCount)!
    let predicate =
    HKQuery.predicateForSamples(withStart: start, end: end)
    let query =
    HKSampleQuery(sampleType: type,
    predicate: predicate,
    limit: HKObjectQueryNoLimit,
    sortDescriptors: nil)
    { (query, result, error) in
    let result = result as! [HKQuantitySample]
    let sum = result(0) {
    $0 + $1.quantity.doubleValue(for: .count())
    }
    print(sum)
    }
    store.execute(query)
    )FBMUI,JUΛར༻͢Δ
    

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15. let store = HKHealthStore()
    let type =
    HKSampleType.quantityType(forIdentifier: .stepCount)!
    let predicate =
    HKQuery.predicateForSamples(withStart: start, end: end)
    let query =
    HKSampleQuery(sampleType: type,
    predicate: predicate,
    limit: HKObjectQueryNoLimit,
    sortDescriptors: nil)
    { (query, result, error) in
    let result = result as! [HKQuantitySample]
    let sum = result(0) {
    $0 + $1.quantity.doubleValue(for: .count())
    }
    print(sum)
    }
    store.execute(query)
    )FBMUI,JUΛར༻͢Δ
    HKSampleQuery
    ɹ৚݅ʹϚον͢Δ
    ɹݸʑͷ஋Λऔಘ͢Δ
    

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16. let store = HKHealthStore()
    let type =
    HKSampleType.quantityType(forIdentifier: .stepCount)!
    let predicate =
    HKQuery.predicateForSamples(withStart: start, end: end)
    let query =
    HKSampleQuery(sampleType: type,
    predicate: predicate,
    limit: HKObjectQueryNoLimit,
    sortDescriptors: nil)
    { (query, result, error) in
    let result = result as! [HKQuantitySample]
    let sum = result(0) {
    $0 + $1.quantity.doubleValue(for: .count())
    }
    print(sum)
    }
    store.execute(query)
    )FBMUI,JUΛར༻͢Δ
    HKSampleQuery
    ɹ৚݅ʹϚον͢Δ
    ɹݸʑͷ஋Λऔಘ͢Δ
    ɹݸʑͷ஋Ͱ͸ͳ͘ɺ
    ɹσʔλͷಛ௃͕஌Γ͍ͨ
    

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17. ݸʑͷ஋Λऔಘ͍ͨ͠
    HKSampleQuery
    άϧʔϓͷಛ௃Λऔಘ͍ͨ͠(sum,ave,min,max,latest)

    ɹ
    HKStatisticsQuery /
    HKStatisticsCollectionQuery
    )FBMUI,JUΛར༻͢Δ
    

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18. let store = HKHealthStore()
    let type =
    HKSampleType.quantityType(forIdentifier: .stepCount)!
    let predicate =
    HKQuery.predicateForSamples(withStart: start, end: end)
    let query =
    HKStatisticsQuery(quantityType: type,
    quantitySamplePredicate: predicate,
    options: .cumulativeSum)
    { (query, statistics, error) in
    print(statistics?.sumQuantity())
    }
    store.execute(query)
    )FBMUI,JUΛར༻͢Δ
    ྦྷੵ࿨
    ॏෳʹର͍͍ͯ͠ײ͡ʹܭࢉͯ͘͠ΕΔ☺
    

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19. ෆਖ਼ରࡦ
    )FBMUI,JUΛར༻͢Δ
    J1IPOFͱ"QQMF8BUDIͷา਺ܭσʔλͷΈΛൈ͖ग़͢
    !
    

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20. )FBMUI,JUΛར༻͢Δ
    

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21. )FBMUI,JUΛར༻͢Δ
    खಈͰ௥ՃͰ͖Δ
    

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22. )FBMUI,JUΛར༻͢Δ
    )FBMUI"QQDPNBQQMF)FBMUI
    J1IPOFDPNBQQMFIFBMUI<66*%>
    ֤߲໨͸ॻ͖ࠐΜͩΞϓϦͷ
    #VOEMF*EFOUJpFSͷ৘ใΛ࣋ͭ
    IBT1SFpY lDPNBQQMFIFBMUIz
    
    ͰϑΟϧλʔ͢Ε͹0,
    "QQMF8BUDIDPNBQQMFIFBMUI<66*%>
    

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23. 4BNQMFDPEF
    https://github.com/sato-shin/ios-steps
    

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24. View Slide