Method onAuthStateChanged

packages/firebase-auth/index.android.ts:1015–1017

(auth: com.google.firebase.auth.FirebaseAuth)

		if (this.native && typeof listener === 'function') {
			const nativeListener = new com.google.firebase.auth.FirebaseAuth.AuthStateListener({
				onAuthStateChanged(auth: com.google.firebase.auth.FirebaseAuth) {
					listener(User.fromNative(auth.getCurrentUser()));
				},
			});
			this.native.addAuthStateListener(nativeListener);
			this._authStateChangeListeners.set(listener, nativeListener);