CODEWITHSUNDEEP
iosswiftcore-bluetooth
wes. i
wes. i

Reputation: 628

Corebluetooth changes in reading characteristics value

i'm currently migrating my project from swift 2.3 to swift 3 and I'm confuse with one thing. in swift 2.3 i can simply use 

 print("value \(characteristic.value!)")

and it would print the value i received value 61. But in swift 3 it would print something like 1 bytes. In order to get the value i have tried with the command

print("value \(characteristic.properties.rawvalue)")

With this command it return me the value. But why do Apple change this?

EDIT

i wonder if it is a bug? i'm using Xcode8.2.1 and swift 3 the command

characteristic.value!

would not return me the value.

Upvotes: 0

Views: 631

Answers (1)

Willjay
Willjay

Reputation: 6459

characteristic.value return a Data type value. Here's how I get the data.

        if let dataBytes = characteristic.value {
            if characteristic.uuid == CBUUID(string: "FFF1") {
                 print(dataBytes)
            } else if characteristic.uuid == CBUUID(string: "FFF2") {
                print(dataBytes)
            }
        }

Upvotes: 1

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