Hi everyone,
I'm building an iOS app using Capacitor 6 with Swift Package Manager (SPM). I have a custom native plugin (AppleIAPPlugin) for StoreKit 2 In-App Purchases that lives in the App target (not as an SPM package). Despite compiling successfully, the JavaScript bridge throws:
"AppleIAP" plugin is not implemented on ios
Setup AppleIAPPlugin.swift:
swift import Foundation import Capacitor import StoreKit
@objc(AppleIAPPlugin) public class AppleIAPPlugin: CAPPlugin, CAPBridgedPlugin { public let identifier = "AppleIAPPlugin" public let jsName = "AppleIAP" public let pluginMethods: [CAPPluginMethod] = [ CAPPluginMethod(name: "getProducts", returnType: CAPPluginReturnPromise), CAPPluginMethod(name: "purchase", returnType: CAPPluginReturnPromise), CAPPluginMethod(name: "restorePurchases", returnType: CAPPluginReturnPromise), CAPPluginMethod(name: "getCurrentEntitlements", returnType: CAPPluginReturnPromise), CAPPluginMethod(name: "openManageSubscriptions", returnType: CAPPluginReturnPromise), ]
@objc func getProducts(_ call: CAPPluginCall) { /* StoreKit 2 implementation */ }
@objc func purchase(_ call: CAPPluginCall) { /* ... */ }
// etc.
} AppleIAPPlugin.m:
objc #import <Foundation/Foundation.h> #import <Capacitor/Capacitor.h>
CAP_PLUGIN(AppleIAPPlugin, "AppleIAP", CAP_PLUGIN_METHOD(getProducts, CAPPluginReturnPromise); CAP_PLUGIN_METHOD(purchase, CAPPluginReturnPromise); CAP_PLUGIN_METHOD(restorePurchases, CAPPluginReturnPromise); CAP_PLUGIN_METHOD(getCurrentEntitlements, CAPPluginReturnPromise); CAP_PLUGIN_METHOD(openManageSubscriptions, CAPPluginReturnPromise); ) MyBridgeViewController.swift (custom bridge to register the plugin):
swift import UIKit import Capacitor
class MyBridgeViewController: CAPBridgeViewController { override open func capacitorDidLoad() { bridge?.registerPluginType(AppleIAPPlugin.self) } } Main.storyboard points to MyBridgeViewController (module: App) instead of CAPBridgeViewController.
TypeScript side:
typescript import { registerPlugin } from "@capacitor/core"; export const AppleIAP = registerPlugin<AppleIAPPlugin>("AppleIAP"); What I've verified Both .swift and .m files are in the Xcode project's Compile Sources build phase nm on the compiled binary confirms OBJC_CLASS_$_AppleIAPPlugin symbol exists The build succeeds with zero errors Other SPM-based Capacitor plugins (Share, Media, NativeAudio) work fine — they have pluginMethods and jsName symbols in the binary; my custom plugin does NOT A bridging header (App-Bridging-Header.h) is configured with #import <Capacitor/Capacitor.h> What I've tried (all failed) .m file with CAP_PLUGIN macro only (no CAPBridgedPlugin in Swift) Added CAPBridgedPlugin protocol conformance to Swift class Created MyBridgeViewController subclass with registerPluginType() in capacitorDidLoad() Removed/added override public func load() method Added #import <Foundation/Foundation.h> to .m file Various bridging header configurations Multiple clean builds and derived data wipes Environment Xcode 16 Capacitor 6 (via SPM, binary xcframework) iOS 17+ deployment target Physical device testing (not simulator) Question How should a custom plugin in the App target be registered with Capacitor 6 when using SPM? The SPM-based plugins from node_modules get auto-discovered, but my custom plugin in the App target does not.
Is there a step I'm missing to make registerPluginType() work, or should I structure my custom plugin as a local SPM package instead?
Any guidance would be greatly appreciated.
