回答編集履歴
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記載内容の修正
answer
CHANGED
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@@ -1,8 +1,22 @@
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1
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-
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1
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+
これで取れませんかね？
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2
2
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```
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3
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+
@IBAction func othersLocation(_ sender: Any)
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3
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-
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4
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{
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5
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//Thread 1: Fatal error: Unexpectedly found nil while unwrapping an Optional valueのエラー
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6
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ref.child("users").child("userCoordinate").observeSingleEvent(of: .value, with: { (snapshot) in
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7
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let value = snapshot.value as? NSDictionary
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4
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-
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8
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let otherUserLatitude = value?["userLatitude"] as? String
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9
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print("ユーザー緯度:", otherUserLatitude)
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10
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})
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11
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}
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12
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```
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5
13
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14
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あるべきはsetValue時に
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6
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-
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15
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```
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16
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let userCoordinate = ["userLatitude": latitude.text]
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17
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ref.child("users").child(user!).setValue(["userCoordinate": userCoordinate])
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18
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```
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19
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取得するときは
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20
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```
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7
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-
ref.child(user!).child("
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21
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ref.child("users").child(user!).child("userCoordinate")...
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8
22
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```
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