VersionService.java 文件源码

private Observable<VersionInfo> checkUpdateIfUsingWifi(Context context) {
    if (!NetworkUtils.isWifiAvailable(context)) {
        return Observable.empty();
    }
    Observable<VersionInfo> observable = checkForUpdates();
    observable.subscribe(new SimpleObserver<VersionInfo>() {
        @Override
        public void onNext(@NonNull VersionInfo versionInfo) {
            if (versionInfo.isValid()) {
                setVersionInfo(versionInfo);
            }
        }

        @Override
        public void onError(@NonNull Throwable e) {
            e.printStackTrace();
        }
    });
    return observable;
}