GCController.battery for PlayStation controllers

Question

Created May ’21

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Participants 2

Hello-

I am trying to monitor the battery level of my DualShock or DualSense controller, but I can't seem to get readings.

Here is the code I'm using:

Code Block ...
@objc dynamic var myController: GCController?
...
func handleControllerDidConnectNotification(_ notification: Notification) {
    for controller in GCController.controllers() {
        self.myController = controller
        self.myController!.addObserver(self, forKeyPath: "battery", options: [.new, .old, .initial, .prior], context: nil)
    }
}
override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
       // Set breakpoint here
    }

The observer gets an initial battery level, but it's nothing:

- value : <GCDeviceBattery - battery=0.0, state=-1>

...and no other updates get reported. Am I doing something wrong, or are PS controllers not supported for battery level and battery state?

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Answer 1

JohnyMetal OP

Jun ’21

DidConnect notification handler should only process the controller it was called for. Can you try replacing the loop for controller in GCController.controllers() { self.myController = controller with self.myController = notification.object and see what's being reported?

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