The barcode is just another field in there, so it can be updated the same as anything. Passkit is very simple. For the barcode part you just tell it type of code (from the available types) and value to encode.
With Google Wallet (the only one I have at the moment), it is not static for the ticket. It has a NFC and barcode option. The barcode changes every 15 seconds for me.
No, I have flight tickets autoupdate when there is a delay.
I've only seen the flight data change, not the code itself.
Even that isn’t updated correctly very often. There is always at least a gate change that doesn’t update the tickets in my Apple wallet.
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The barcode is just another field in there, so it can be updated the same as anything. Passkit is very simple. For the barcode part you just tell it type of code (from the available types) and value to encode.
With Google Wallet (the only one I have at the moment), it is not static for the ticket. It has a NFC and barcode option. The barcode changes every 15 seconds for me.