Class Firebase

packages/firebase-core/index.android.ts:177–463

let lastActivity: WeakRef<androidx.appcompat.app.AppCompatActivity>;
export class Firebase {
	static _onResumeQueue = [];
	static addToResumeQueue(callback: () => void) {
		if (typeof callback !== 'function') {
			return;
		}
		Firebase._onResumeQueue.push(callback);
	}
	static _activityResultContractsQueue = fromObject({});

	static registerActivityResultContracts(callback: (args: AndroidActivityEventData & { dispose: boolean }) => void) {
		if (typeof callback !== 'function') {
			return;
		}
		Firebase._activityResultContractsQueue.on('register', callback);
	}

	static unregisterActivityResultContracts(callback: (args: AndroidActivityEventData & { dispose: boolean }) => void) {
		if (typeof callback !== 'function') {
			return;
		}
		Firebase._activityResultContractsQueue.off('register', callback);
	}
	static _appDidLaunch = false;
	static _inForeground = false;
	static get inForeground() {
		return Firebase._inForeground;
	}
	constructor() {
		if (firebaseInstance) {
			return firebaseInstance;
		}
		firebaseInstance = this;
		Application.android.on('activityResumed', (args) => {
			Firebase._inForeground = true;
			Firebase._appDidLaunch = true;
			Firebase._onResumeQueue.forEach((callback) => {
				callback();
			});
		});

		Application.android.on('activityPaused', (args) => {
			Firebase._inForeground = false;
		});

		Application.android.once('activityCreated', (args: any) => {
			if (!lastActivity) {
				lastActivity = new WeakRef(args.activity);
				Firebase._activityResultContractsQueue.notify({
					eventName: 'register',
					activity: args.activity,
					dispose: false,
				});
			}
		});

		Application.android.on('activityDestroyed', (args) => {
			const activity = lastActivity?.get?.();