Rxjava 2 eventbus işler

EventBus 3.3.1 is available which has migrated to AndroidX libraries, ships with R8 rules included and supports incremental annotation processing.

...true professionals in their field with 2-5 years of experience and good spoken English. Our project aims to help organize trips for various sports clubs by managing events and rides from one point to another, including stops if necessary. Our app will help simplify the process of organizing participants and tracking the route. We're looking for a team of up to 4 developers who will work together to develop the project from scratch. Required technical skills include: Java developer: Java, Spring Framework, Hibernate, RESTful API, Maven or Gradle, Git, MySQL, PostgreSQL or Oracle, HTML, CSS, JavaScript, JUnit or TestNG, Apache Tomcat or Jetty. Android developer: Kotlin, Android SDK, Android Studio, Android Architecture Components, Firebase, Retrofit, RxJava, Dagger,...

Estoy buscando un programador (PHP/Java) que pueda continuar con el soporte de un proyecto que ya esta desarrollado para mantenerlo en linea y poder resolver algun inconveniente que pueda surgir. A su vez podrían requerirse ajustes y mejoras así como nuevos desarrollos para agregarle funcionalidades. Datos: -Backend programado en PHP con un framework que se llama PIP (A...esta desarrollado para mantenerlo en linea y poder resolver algun inconveniente que pueda surgir. A su vez podrían requerirse ajustes y mejoras así como nuevos desarrollos para agregarle funcionalidades. Datos: -Backend programado en PHP con un framework que se llama PIP (Arquitectura MVP) -Frontend en lenguaje Html, Css, Jquery -App: Android nativo (Java) y usa librerias como Retrofit, Gson,...

write me a rxjava filter operation to only take a specific class

...best practices. ● Good understanding of Android UI design principles. ● Solid understanding of the mobile development life cycles. ● Proficiency in writing unit and Android UI tests. ● Proficiency in working with Git. ● Experience with storage, threading, and performance tuning. ● Top-notch team player and possess excellent communication skills. ● Understanding of functional programming using RxJava. ● Understanding of cloud messaging APIs and push notifications. Desirable Skills: ● Telco Media domain experience will be a plus ● Familiarity with Google Firebase. ● Understanding of continuous integration and continuous delivery. ● Knowledge of frameworks like Kotlin Multi platform/React Native/Flutter would be an added advantage. ● Familiar with deploying apps to Google Play Stor...

Looking for a strong Software Engineer candidate with Android experience. This role will be responsible for building and updating our Android application. RESPONSIBILITIES Experience with Android basic components (Activity, Fragment, Intent, Service, BroadcastReceiver, ContentProvider)...and deliver new product features for our Android application. Improve engineering processes and tools to increase team effectiveness. SKILLS Basic UI components (mostly from Material Design)Toolbar, ViewPager, RecyclerView, CardView, Floating Action Button, Navigation Drawer, BottomBar, CoordinatorLayout Build tools Gradle Most popular libraries: Support library, Google Play Services, Retrofit, rxJava, rxAndroid Kotlin (must have) Agile mythologies RX, Dagger, Custom Views. Java2 MVP Unit Test Roo...

Se requiere un consultor que tenga amplia experiencia en desarrollo de API's que utilicen arquitecturas de microservicios con tecnologías de AWS (serverless, eventbus, api gateways, etc) y que guie a un equipo de desarrollo a implementar dicho tipo de arquitectura. También se requiere que el consultor comprenda un escenario funcional y provea recomendaciones de cómo debe ser implementada una solución requerida. La guía que se desarrolle debe tener ejemplos prácticos y totalmente implementados. Una vez que se gane el proyecto se podrían requerir más horas de servicio.

Hi I am looking for an experienced Native Android Developer with good budget quo...Our Preferences on Development and the Skill Set shall be 1) Strictly follow MVVM architecture for development 2) Java 3) Lifecylces 4) ViewModels 5) LiveData 6) WorkManager 7) Room 8) Retrofit 9) Material Design 10) CameraX 11) DataBinding 12) AndroidX 13) For barcode scanning, - Type 1. Using mobile camera Type 2. Add on barcode reader in the mobile device Sample project will be shared later 14) Try to use Jetpack Components 15) Follow proper naming conventions in Java 16) Proper documentation where ever necessary 17) Backward compatibility with Android 5.0 (API level 21) 18) minSdkVersion 21 19) Avoid RxJava 20) Avoid 3rd party libraries

Hi I am looking for an experienced Android Developer with good budget quotes to ...Our Preferences on Development and the Skill Set shall be 1) Strictly follow MVVM architecture for development 2) Java 3) Lifecylces 4) ViewModels 5) LiveData 6) WorkManager 7) Room 8) Retrofit 9) Material Design 10) CameraX 11) DataBinding 12) AndroidX 13) For barcode scanning, - Type 1. Using mobile camera Type 2. Add on barcode reader in the mobile device Sample project will be shared later 14) Try to use Jetpack Components 15) Follow proper naming conventions in Java 16) Proper documentation where ever necessary 17) Backward compatibility with Android 5.0 (API level 21) 18) minSdkVersion 21 19) Avoid RxJava 20) Avoid 3rd party libraries

Requirements: experience in Linux/Java DB technologies - PostgreSQL(Schema Definition, Stored Procedures), Hibernate; NoSQL Databases (Apache Cassandra) • Familiarity with Golang, REST, JSON, Reactive Programming (RxJava/Reactor) • Knowledge in developing applications using Tomcat/Spring Frameworks • Linux scripting, RPM Spec file development • Cloud technologies like Microservices, containers, Kubernetes etc. • Knowledge of technologies such as Software-defined infrastructure (SDN,SDS) is a plus • Multi-threaded programming

Requirements: • Strong OO design and programming skills in Java Core and Kotlin for Android development. • Good understanding of Architecture pattern like MVC, MVP, MVVM in Android. • Hands on experience developing app using MVVM, Dagger 2 LiveData, Rxjava and Constraint Layout, Android KTX. • Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes. • Familiarity with RESTful APIs to connect Android applications to back-end services. • Good understanding of code versioning and project management tools such as Git, GitLab, Jira and CI system Jenkins. • Hands on experience with tools like Room, firebase and Realm for database and push notification. • Open Source contribution and ...

...with iOS development (backend / fullstack) developing highly reliable, scalable products and services. Experience developing in Swift Strong focus on high-quality mobile UI experiences Experience analyzing a feature in production using analytics and experiments Experience collaborating on projects and working efficiently as part of a team Experience with open source libraries like Retrofit, RxJava, Dagger 2, Lottie Deep understanding of iOS SDK Experience in any other languages such as Java, Kotlin or Javascript Contribute to the wider iOS community via open source Must live within the United States Strongly Prefer: - Experience building mobile app wallets, crypto, and blockchain solutions. - Start-up experience - Github with recent coding sample to view ...

...application performance • Continuously discover, evaluate, and implement new technologies to maximize development efficiency What we will need from you • 2 to 3 years of experience as a native Android Developer (using Java or Kotlin and NOT HTML). This is a MUST. • Experience in Android mobile applications development with sound understanding of Android Architecture, Framework, Android SDK, Core Java, Android Studio IDE, Android Debugger. • Have hands-on experience in app development using Android and Kotlin coding standards and unit testing • Deep understanding of the Android SDK • Experience with VIPER, MVVM, ReactiveX (RxJava or RxKotlin), Dependency Injection… This is preferred and not mandatory • Proven...

...Databinding instead of reflections, Binding Adapters(if required) FTP Login Module Deliverables - Restructuring for system permissions for newer android versions, integration with apache ftp or newer version if available, code from stratch for db synchronization, Room DB support for Database on top of SQLite Web Login Module Deliverables - New Retrofit for API syncing, Background Jobs(Either RXJAVA or Kotlin Coroutines, not both), OkHttp instead of volley(which was used in older project) for HTTP V2 protocol support if API is supported, repository pattern for each page Obfuscation and Security - Required for play store upload in newer versions Deliverables - Proguard setup for code conversion for release version of apk/aab Playstore Upload Deliverables - AAB upload instea...

...products and services ● Technology and learning Experience with: ● building micro-services and designing/implementing REST APIs ● Javascript (preferably Typescript) ● Java, and one or more of the following: Kotlin, Go, Rust, Python ● SpringBoot (Java or Kotlin) ● Building distributed systems ● Relational databases and SQL Bonus ● React (functional) ● Material UI ● d3 ● reactive streams (rxjs or rxjava) ● Kafka, ClickHouse, Cassandra Responsibilities ● Writing clean, high-quality, high-performance, maintainable code ● Develop and support software including applications, database integration, interfaces, and new functionality enhancements ● Coordinate cross-functionally to insure project meets business objectives and compliance standards ● Support test and deployment of new produc...

Hi I am looking for an experienced Android Developer with good budget...Preferences on Development and the Skill Set shall be 1) Strictly follow MVVM architecture for development 2) Java 3) Lifecylces 4) ViewModels 5) LiveData 6) WorkManager 7) Room 8) Retrofit 9) Material Design 10) CameraX 11) DataBinding 12) AndroidX 13) For barcode scanning, - Type 1. Using mobile camera Type 2. Add on barcode reader in the mobile device Sample project will be shared later 14) Try to use Jetpack Components 15) Follow proper naming conventions in Java 16) Proper documentation where ever necessary 17) Backward compatibility with Android 5.0 (API level 21) 18) minSdkVersion 21 19) Avoid RxJava 20) Avoid 3rd party libraries

Hola, necesito hacer 2 cambios puntuales en un app nativa en Android con Kotlin, el app ya esta en producción, no es necesario rediseñar o diseñar algo; solo es agregar 2 campos nuevos, los webservices ya estan listos. Item #1 agregar campo select con las nacionalidades Item # agregar campo date para agregar una fecha Lenguaje de programacion: Kotlin Arquitectura: MVI Dependencias: Dagger Librerias: Rxjava 2, RXkotlin, rxandroid, retrofit 2, android architecture components Android studio: 4.2.0 Min sdk: 19, target sdk: 30 Kotlin version: 1.4.21 Requisitos: Por favor, es necesario la comunicación en "español", gracias. Experiencia previa comprobada en Kotlin Firma de acuerdo de confidencialidad NDA

...listing. The following conditions must be fulfilled. ● Page size (number of results per API call) must be 5 ● A progress indicator must be shown while loading a new page ● Pull to refresh must be implemented ● Libraries that can be used are ○ Glide, Picasso, Universal Image Loader or Fresco for image loading and caching ○ Retrofit with OkHttp for networking ○ GSON for JSON parsing ○ Optionally RxJava and/or RxAndroid can be used ○ Optionally use Room for SQLite ● Use material design throughout ● Use placeholder during image loading ● Use either MVC, MVP or MVVM architecture pattern ● Use Java as the language ● Use RecyclerView for listing ● No internet indicator must be shown when mobile data or Wifi is switched off ● Optionally use Android DataBinding or ButterKnife to bind vie...

...overall team success during all phases of the software development life cycle. Technical skills 1. Working knowledge of Java Core 11, Docker Compose, rxJava 2, Spring Core, Spring Boot, Unit testing. 2. Experience working with REST API and knowledge of HTTP protocol. 3. Design patterns: Facade, Command, CQS. 4. Understanding of SQL, NOSQL. 5. (Advantage) Understanding of distributed systems architecture and microservices. 6. (Advantage) Understanding of KAFKA or other messaging solutions. 7. (Advantage) Understanding of Jenkins, Kubernetes, Grafana, ELK or similar. Experience 1. A minimum of 4 years of experience as a Software Developer. 2. Intermediate English level. 3. Experience with scrum and agile. ...

Role and Responsibilities : 1. Working on Kotlin and WebRtc at large scale 2. Working on card view, recycler view, constraint layout, and debuggers 3. Working on RetroFit 2, SQLite, Handler, Dagger2 and RxJAVA 4. Working on RESTful API with MVVM Question 1: Why should you be hired for this role? Question 2: Dear Candidate before our HR schedule a meeting with you, we need you to submit to solve one of our predefined bugs or issue of "login with Google" on this testing app. You need to give a brief idea of how to solve this login predefined issue...

...critical because of sensitive information) Required qualification: -Working experience in Android SDK, Java, Kotlin, NDK, and SQLite -Experience in Unit Testing for Android Applications, firebase test lab -Experience in Android animation -Working with remote data via REST and JSON. -Performance tuning of the mobile applications -Familiarity with modern Android development & libraries (RxJava, Dagger 2, etc) -Experience with GIT/CVS/ SVN source control system Project Requirements: -20-30 hours a week required -3 months to start with -100% remote -Indian standard time. Bidders will be evaluated based on experience, online samples, interview and references. Our enterprise talent scouts will get in touch for the curation. Regards, Talent Success Manager, Freelancer...

Technical Capabilities: 1. Kotlin 2. MVP 3. RxJava 4. MQTT 5. Github Project Outline- 1. Event Creation 2. Audio & Video Call 3. Conference Call (Screen Sharing) Engagement: 3 - 6 Months (Full Time)

Are you interested in new opportunities? Looking to add a new developer to our team. If so let me know your thoughts on the following: - What's your experience with MVVM and unit testing? - What’s your experience with Kotlin? - Why would you use RxJava vs Coroutines? - Any work with dependency injection? - What ORM and/or database do you use locally? - How would you approach running a long background task? - What's your hourly rate?

Are you interested in new opportunities? Looking to add a new developer to our team. If so let me know your thoughts on the following: - What's your experience with MVVM and unit testing? - What’s your experience with Kotlin? - Why would you use RxJava vs Coroutines? - Any work with dependency injection? - What ORM and/or database do you use locally? - How would you approach running a long background task? - What's your hourly rate?

We are seeking a Sr. Android Developer for a 12 month project. SKILLS REQUIRED: Native Android Java Frontend Implementation & Animations Git Kotlin Activities Fragments Services Broadcast Receivers REST API Integrations with Retrofit 2 PLUS: RxJava and RxAndroid Unit Testing with JUnit UI Testing with Espresso Framework CI

...tech/B.E preferred) or Postgraduate ( MCA) with 1-4 years of experience in Android development. Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes. Must have some good projects on GitHub or have published on the play store. Must have the knowledge of developing trends and emerging standards in mobile apps (RxJava, MVVM, Dagger, Kotlin, etc). Hands-on experience on various Android Jetpack libraries. Knowledge of the open-source Android ecosystem and the libraries available for common tasks. Hands-on experience with relational database systems and SQLite. (RoomDB) Familiarity with RESTful APIs and libraries to connect Android applications to back-end services. (Re...

The McGill Artificial Pancreas Lab is a highly experimental and interdisciplinary Canadian research lab which builds novel Class IV medical devices for type 1 diabetes: fully automated closed-loop dual hormone delivery systems (artificial pancreas). We are seeking an intermediate to senior Android software developer to lead the development of the artificial pancreas and future d...with configuration management tools such as Git, GitHub or GitLab. - Basic understanding of Agile development practice - Knowledge of UML-based modeling - Experience in writing unit tests Preferred Qualifications: - Knowledge of testing frameworks such as Appium, Selenium and Cucumber. - Experience with Vue.js, React Native and JavaScript. - Some experience in reactive programming such has with RxJava or...

We need a consultant on Java Full stack, Kafka, RXJava. We will give Rs. 20-22k per month

...Javascript Backend Framework as ExpressJS - Rest APIs 2 YEARS EXPERIENCED IN iOS MOBILE APPLICATION DEVELOPMENT, AS FOLLOW: - Core Data, Core Animation and Core Location iOS frameworks - Cocoa Touch and Swift - POP, MVVM, CleanSwift and Facade design patterns - REST APIs 2 YEARS EXPERIENCED IN ANDROID MOBILE APPLICATION DEVELOPMENT, AS FOLLOW: - MVVM Code architecture - Kotlin - Android Jetpack libraries - RxJava techniques - Android SDK - APIs - REST and JSON Remote data - Flutter Detail of required additional features/modifications is listed below. Note: I will be providing a detailed breakdown of the project once we communicate. TASKS: WEBSITE and iOS and ANDROID APPS CHANGES: 1 - Add paid amenities in each listing (web & apps) 2 - Select account t...

...Android and iOS. We will also be using MongoDB, Postgres, Redis, ElasticSearch etc. based on different use cases. Requirements - ● Extensive experience in developing mobile apps using Android SDK with proficiency in Java /Kotlin and design patterns ● Expertise in Core Java with good knowledge of Kotlin with solid OOD principles and design patterns ● Hands on experience with Jetpack components, RxJava and Dagger2 ● Well versed with storyboards, auto layout and size classes for UI designing ● Grasp of memory management, multithreaded programming and background processing ● Strong CS fundamentals (with competencies in algorithms and data structures) ● Experience with SaaS platforms for mobile development such as Analytics, Push Notifications, Cloud Storage, Ad Networks, etc. ● Han...

I need an Android developer with following skills Required: Any previous apps built using following tech stack. Significant hands-on Kotlin and Reactive Programming Solid understanding of Android threading and processing Experience with profiling UI, memory and threading in Android Complete understanding of Object Orientated Programming, MVC, MVVM, Reactive Patterns using RxJava/RxAndroid and the Android Application Architecture any previous app development is a must and with Reactive Programming

I need to develop small functionality in my existing app with RxJava and MVVM clean architecture. Architecture is already there. I need to just add one feature on top of that.

...documentation and procedures for installation and maintenance. May interact with users to define system requirements and/or necessary modifications. POSITION REQUIREMENTS 8+ years of Java development experience High level skills in Java, (knows lambda expression, understands functions etc), using the latest SDKs and tools and frameworks such as Spring boot, spring JDBC, Spring test, spring security, RxJava, etc. of Java Experience interfacing with back-end applications using MQ, SOAP, RESTFUL services, and JSON. - Worked on at least one of JaxRs implementations. Proficiency in JavaScript, including DOM manipulation and the JavaScript object model Thorough understanding of React.js and its core principles Understands database concepts proficient in writing relational databa...

RXJava Project Guidance for a week(Handling nexted JSON,JSD schemas)

...Couchbase As our main local database to store and cache data. Hilt For dependency injection. Retrofit2 We are managing both APIs and WebSockets with Retrofit2. MVVM For managing activities and fragments lifecycle. Constraint layout As our first choice for XML layouts. Clean architecture We value clean code, separation of concerns, and code maintainability. Timber As a replacement for "Log". RxJava/RxAndroid/LiveData To handle and manage callbacks and multithreading in an elegant way. Leakcanary To detect memory leaks. JUnit4 / Espresso For unit and UI testing. coroutines Other libraries ... The workflow: As you can see from the project structure, we have 4 modules instead of 3 as the typical clean arch, and the reason is to achieve a higher level of the sep...

I would like an an app than can scan an id and passport and extract the details using the BlinkId Api by MicroBlink. The app should should extract the details, display the details and display the id/passport picture The app will use Kotlin, MVVM architecture, RxJava, Retrofit. All the app does is uses the camera to scan an id or passport and displays the details, and picture of the documents at the bottom

...Consultant, who has extensive knowledge of Android App Development. Job Description: 1. Android application development, with extensive use of JAVA / KOTLIN I/O, algorithms, and well-known application frameworks 2. Have created some custom UI components of his own in the past. 3. Experience in using design patterns - MVC, MVVM, MVP, Clean, etc. 4. Experience with offline storage, threading, and performance tuning 5. Familiarity with cloud message APIs and push notifications 6. Experience with third-party libraries and APIs 7. Knowledge of Firebase, AWS, Google Maps, Database, Gradle, RxJava 8. Data handling using SQLite database, Preferences 9. Familiarity with Git, GitHub, and SVN 10. Understanding of RESTful APIs for integrating apps with back end services 11. Good hand...

SkillSet: Android Architecture, Kotlin/ React Native, RxAndroid. Po...Android, and how to deal with different screen sizes. • Familiarity with RESTful APIs to connect Android application to back-end and remote services. • Strong knowledge of Android UI design principles, patterns, and best practices. • Experience with offline storage, threading, asynchronous task, FCM push notification and performance tuning. • Experience with Core Java, Kotlin, OOPs design, Retrofit, RxJava and Espresso test framework. • Knowledge of the open-source Android ecosystem and third-party libraries. • Strong understanding of the full mobile development life cycle. • Unit-test code for robustness, including edge cases, usability, and general reliability. • Publishe...

I already have a Prototype of tiktok like app want to integrate some more features into it. Like AR Video Editor ( Banuba AR Editor) Duet & React Features Water Mark on videos when it download Reward System and some more features Tech Stack includes Java and RxJava for Android and Swift 5 and RxSwift for IOS. Nodejs in Backend

...communication systems (e.g., WebRTC, VoIP, messaging) o Application publishing through Apple’s AppStore o Network security, code obfuscation, run-time protection, UEM integration and applied cryptography o Swift, Objective C, UI Kit / Core foundation, MVMM, Core Data, Map Kit, Concurrency, XCode, Cocoa Pods, APNS, Notification and Share Extensions, KeyChain, OpenSSL, Protobuf, YapDB, SQLCipher. 2. Android SW development specialist: Total SW development experience 12+ years, Android experience 7+ years, experience with o Hands-on mobile application development for Android (both for smartphones and tablets) o The most recent Google guidelines for Android application development o Code versioning using Gitlab and continuous integration tools like Jenkins o Agile software deve...

Hello Before YOU BID MAKE SURE YOU KNOW THE FOLLOWING Couchbase Dagger2 Scabbard Retrofit2 MVVM Constraint layout Clean architecture Timber Mapstruct RxJava/RxAndroid/LiveData Leakcanary JUnit4 / Espresso thank you

I want to build a responsive android point of sales app for tablet using kotlin and firebase. Usage of kotlin courotines/reactive (rxjava/rxkotlin) MVVM architecture. The app also can print receipt.

...communication systems (e.g., WebRTC, VoIP, messaging) o Application publishing through Apple’s AppStore o Network security, code obfuscation, run-time protection, UEM integration and applied cryptography o Swift, Objective C, UI Kit / Core foundation, MVMM, Core Data, Map Kit, Concurrency, XCode, Cocoa Pods, APNS, Notification and Share Extensions, KeyChain, OpenSSL, Protobuf, YapDB, SQLCipher. 2. Android SW development specialist: Total SW development experience 12+ years, Android experience 7+ years, experience with o Hands-on mobile application development for Android (both for smartphones and tablets) o The most recent Google guidelines for Android application development o Code versioning using Gitlab and continuous integration tools like Jenkins o Agile software deve...

need a good android sip developer. with knowledge of native libarary, dagger2 and rxjava. I need developer for full time with expirence is 2 year. I can pay salary milestone on weekly or monthly what ever is you prefered. 20-21K fixed price. type 3rd word is andscope. so, I understand you read my job.

Main features with ads and flexible: - Highlights - Latest News - Top News - Live video - Videos sections (video ads) - Vodcast - Google ads - Bookmarks, like, share - Firebase Notification, Analytics, Crashlytics Note: Coding guide line : Kotlin, dagger2, RxJava, MVVM, View Binding

Hello, I am looking for Native Mobile App developer either a small company or team of freelancer for IOS - iPhone/iPad and Android apps. The developer should have experience in developing IoT based mobile apps and should have expe...WiFi. You will be given the devices for making connection and test it. Also you will have to make few changes in already developed functionalities. If you provide this small project with quality work then I will continue with you for further work in same project. I will share the requirement in chat and will need your fixed cost. I need below skills for app development For Android - Kotlin, RxJava, Dagger, MVVM, Retrofit For IOS - Swift 5 NOTE: Please bid only if you have expertise in IOT based mobile apps specific to Bluetooth / WiFi connection wit...

Want to launch a contest for a demo app which used Firebase PhoneAuth. (Send code, Resend code and just display in another UI a simple text that user is created). The android app should respect the clean architecture with MVVM pattern, Dagger, RxJava and Android Architecture Component. Please don't use FirebaseUI. Don't worry UI is not my main concern. The right architecture code is very important. App should be submited in Kotlin or Java. Good architecture code will probably lead to collaborate with me on current and future project. After the contest will be closed, will take a time to overview the code of everyone.

Want to launch a contest for a demo app which used Firebase PhoneAuth. The android app should respect the clean architecture with MVVM pattern, Dagger, RxJava and Android Architecture Component. Please don't use FirebaseUI. App should be submited in Kotlin or Java. Good architecture code will probably lead to collaborate with me on current and future project. After the contest will be closed, will take a time to overview the code of everyone.

We need a minor update to our Native Android App, which is to create a notification flag on the icon display on the phone when there are unread messages. The Android App backend is written in Symfony and the frontendtechnologies are: Android SDK Java RxJava 2 Room Dagger 2 Job schedulers Evernote Glide If you have skills to update to our iOS as well, then please say so in your reply.

Hi, I need help setting up on an existing project with repository pattern (mvvm and rxjava) I need to be able to save a failed API request and then resend it when internet is available.