Sravan
44526e1ee9
v1.1.1's route observer re-forced speaker on every change, and WebKit re-added Bluetooth each time -> the audio flapped speaker<->BT many times/sec (telemetry: dozens of route flips from 3 taps), which read as 'sound doesn't switch'. WKWebView won't let the app hold the built-in speaker over an active BT device. So: one override per tap, observer only REPORTS the output (no fighting). Also stop dimming the iOS button (it's a live output indicator, not on/off; the dim read as 'disabled' on BT). Probe now carries the native marker so we can confirm the binary. plugin v1.1.2-stable, web batch150. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
90 lines
4.1 KiB
Swift
90 lines
4.1 KiB
Swift
import Foundation
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import Capacitor
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import AVFoundation
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// Call-audio routing for the iOS app. Registered by cap sync as a real Capacitor plugin package, so it shows
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// up as window.Capacitor.Plugins.AudioRoute (an app-embedded class gets stripped in release builds).
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//
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// KNOWN CEILING (WKWebView): the app does NOT own the AVAudioSession — WebKit's media process does, and it
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// re-asserts its own category (Bluetooth allowed) on every change. So the earpiece can't be forced, and the
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// built-in speaker can't be held over an actively-connected Bluetooth device (a re-force just oscillates with
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// WebKit — proven on device). This plugin therefore does a SINGLE override per user tap and does NOT fight
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// route changes; it only reports the active output so the web UI can show the correct icon.
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// * setSpeaker(true) -> try to force the loudspeaker (drops Bluetooth options + overrideOutputAudioPort(.speaker))
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// * setSpeaker(false) -> "Device": allow BT/wired and use the default port (routes to a connected headset)
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// * getRoute() + 'routeChange' event -> the active output ('speaker'|'bluetooth'|'wired'|'receiver'|'airplay')
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@objc(AudioRoutePlugin)
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public class AudioRoutePlugin: CAPPlugin, CAPBridgedPlugin {
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public let identifier = "AudioRoutePlugin"
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public let jsName = "AudioRoute"
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public let pluginMethods: [CAPPluginMethod] = [
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CAPPluginMethod(name: "setSpeaker", returnType: CAPPluginReturnPromise),
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CAPPluginMethod(name: "getRoute", returnType: CAPPluginReturnPromise)
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]
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private static let nativeTag = "1.1.2-stable"
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private var pending: DispatchWorkItem?
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override public func load() {
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try? configureDevice() // start in "device" mode (BT/wired allowed); the web forces speaker per call
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NotificationCenter.default.addObserver(self, selector: #selector(routeChanged),
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name: AVAudioSession.routeChangeNotification, object: nil)
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}
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deinit { NotificationCenter.default.removeObserver(self) }
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private func configureSpeaker() throws {
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let s = AVAudioSession.sharedInstance()
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try s.setCategory(.playAndRecord, mode: .voiceChat, options: [.defaultToSpeaker])
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try s.setActive(true)
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try s.overrideOutputAudioPort(.speaker)
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}
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private func configureDevice() throws {
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let s = AVAudioSession.sharedInstance()
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try s.setCategory(.playAndRecord, mode: .voiceChat, options: [.allowBluetooth, .allowBluetoothA2DP])
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try s.setActive(true)
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try s.overrideOutputAudioPort(.none)
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}
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private func currentOutput() -> String {
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for o in AVAudioSession.sharedInstance().currentRoute.outputs {
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switch o.portType {
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case .builtInSpeaker: return "speaker"
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case .builtInReceiver: return "receiver"
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case .bluetoothA2DP, .bluetoothHFP, .bluetoothLE, .carAudio: return "bluetooth"
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case .headphones, .headsetMic, .usbAudio: return "wired"
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case .airPlay: return "airplay"
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default: continue
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}
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}
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return "unknown"
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}
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// Report the active output to the web UI. Deliberately does NOT re-force any route — fighting WebKit's
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// re-assertion just oscillates the audio (see ceiling note above).
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@objc private func routeChanged() {
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pending?.cancel()
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let work = DispatchWorkItem { [weak self] in
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guard let self = self else { return }
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self.notifyListeners("routeChange", data: ["output": self.currentOutput(), "native": AudioRoutePlugin.nativeTag])
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}
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pending = work
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.2, execute: work)
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}
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@objc func setSpeaker(_ call: CAPPluginCall) {
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let on = call.getBool("on") ?? true
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do {
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if on { try configureSpeaker() } else { try configureDevice() }
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call.resolve(["output": currentOutput(), "native": AudioRoutePlugin.nativeTag])
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} catch {
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call.reject(error.localizedDescription)
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}
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}
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@objc func getRoute(_ call: CAPPluginCall) {
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call.resolve(["output": currentOutput(), "native": AudioRoutePlugin.nativeTag])
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}
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}
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