Firebase analytics android jobs
I am looking for an experienced mobile app developer to create a mobile app for IOS and Android devices. Mobile application to manage two devices: The objective is to develop an application to manage two devices via WiFi (can be expanded in the future). We have two devices: sauna and red light therapy panel. They all have a touch control panel and can connect to your mobile phone via Bluetooth and Wi-Fi. Many of the providers even offer you the mobile application already developed (as you can see in the video of the red light panel) but only for each product category. The idea is to make a similar application from which the two devices can be managed (time programming, lighting, power, etc.). And the history of uses/configurations is saved. Please clarify in the response to this...
I am in need of a skilled API developer who can create an API for a financial analytics tool. The main functionalities I am looking for in this API include: - Provision of Real-time data updates - Implementation of robust Security measures - Seamless Integration with existing systems - Development of a user-friendly Back-end and front-end infrastructure for an investment and trading app. - Connection of accounts in Forex, Stocks and Crypto brokers and exchanges to show live and historical statistics - Copy trading / social trading / PAMM with risk management features (on the next project) - Connection of startup business and real estate accounts (on the next project) Key Skills and Experience: - Proficiency in Python, Ruby on Rails and other relevant programming languag...
I'm working on a PWA application and require a developer to help integrate the following features: - Taking a photo using the phone camera - Saving the photo to a MySQL database - Capturing the GEO Location of the phone and associating it with the photo The PWA will be optimized for both Android and iOS platforms, so experience with development for these platforms is essential. Most of the pages in the PWA is PHP In your application, please provide examples of your past work that are relevant to this project. It will help me evaluate your experience and capabilities.
...historical data and landing page interactions. Deliverables: - A fully functional AI model deployable within the API and UI environment. - Documentation detailing the model’s architecture, data flow, and integration points. - A user guide for navigating the model’s interface and understanding output data. Expertise Required: - Proven experience in AI/ML, particularly in NLP and predictive analytics. - Of course, Google Ads expertise (supposing to have anyone in your team that can do this part) - Strong background in data integration and API management. - Experience with Google Ads API and Google Search Console is highly advantageous. - Ability to work with cross-functional teams and manage a project from conception to execution. Proposal Submission: - Detaile...
...Communication: * Work closely with the CEO to align marketing strategies with the company's goals. * Coordinate with external contractors to ensure timely delivery of marketing materials. * Provide regular updates and reports on marketing activities and outcomes. ===================== Qualifications: * Proven experience in social media management and digital marketing. * Familiarity with Facebook Ads and analytics tools (experience preferred, training provided). * Proficiency in using Canva for design projects. * Creative eye for engaging content. * Strong communication and organizational skills. * Ability to work independently and manage multiple projects simultaneously. * Enthusiasm for education and a passion for helping students succeed. ==================== Why Join U...
I am in need of a skilled developer to create a high-quality Android casino app. Key Features: - User Registration and Login: Users should be able to create accounts and log in to play. - Casino Games: A variety of casino games will be integrated into the app to keep users engaged. - Payment Integration: The app should have secure payment gateways for in-app purchases and withdrawals. - Admin Control: I need a separate admin login with the capability to: - Adjust game rules: The admin should have the power to tweak rules to improve user experience. - Change game outcomes: Admin should be able to modify game outcomes to keep the experience fair and engaging. - Manage user accounts: The ability to oversee and moderate user accounts is crucial. Design Preferences: - The u...
I need a full-fledged messenger app, similar to WhatsApp, developed specifically on Flutterflow. It should be available on both Android and iOS platforms, and operate efficiently in a single (English) language. Key Features Required: - Chat messaging: Users should be able to send and receive messages readily. - Voice Calls: The app should enable voice calls between users. - Video Calls: Users should be capable of video calling one another. - File Sharing: The capability to send and receive files, such as photos, docs, and more. - Voice and Video Sharing: Users should be able to share voice notes and videos alike. - Able to change logo, colors, fonts and app name through admin panel for private and internal use of companies. - I will own the full royalty of the app. The developer ...
I'm looking for a knowledgeable and experienced social media expert who can help direct my social media strategy for Facebook, Instagram, and Tiktok. The main objectives are twofold: - Boost brand awareness and engagement - Generate valuable leads and conver...the brand should be positioned. I invite freelancers with a proven track record in creating engaging social media strategy, targeting and engaging specific audiences, and successfully converting leads to place a bid. Your proposal must showcase your past successes in similar projects and detail your strategic approach towards achieving my project objectives. Proficiency in using social media analytics tools to monitor performance and optimize strategy is essential. Ideally you also posses an understanding of the sp...
We have Andorid TV app built in OS 9 chipmunkband seem to have problem working in Andorid boxes 10 and 11 but work on phone no problem and So we think we may need to upgrade gradle and some depencies Also we need package changed so the upgrade is done it will installed and not conflict with exsisting apps that are same Build .so os will see as a different app Attached are two soure codes similar
Develop and maintain the mobile app on iOS and Android platforms Build a scalable and secure backend infrastructure Integrate third-party APIs and services Collaborate with UI/UX designers to ensure a seamless user experience Perform thorough testing and debugging
I'm looking for a talented data analyst to help me leverage MIRO for a deep dive into our various types of data and generate actionable insights. I need the work done quickly, so please be prepared to jump right in. Key skills and experience required: - Previous experience in data analytics, particularly using MIRO and analyzing a range of data sources. - Ability to identify trends and patterns, discover correlations between variables, and make data-driven recommendations. - Excellent communication skills and the ability to present complex findings in a clear, understandable manner. - A proactive and fast-paced work ethic- the ability to deliver quality work quickly, without compromising on accuracy.
Project Details €500.00 – 600.00 EUR 1. Overview The project is to develop a marketplace for iOS, Android, and web, tailored for influencers and companies to book and offer advertisement services. It will support popular platforms like Instagram, Snapchat, TikTok, Twitch, etc.. The app will use a coin system as its currency, allowing users to book or offer advertisements. A transaction fee will be implemented for revenue generation. Users should be able to withdraw earned money. 2. Features 1. Influencer and company profiles for booking and offering advertisement services. 2. Support for multiple platforms (Instagram, Snapchat, TikTok, Twitch, etc.) for a wide range of advertising opportunities. 3. Transaction system using a virtual currency 'Coins' along wit...
I'm in need of a competent app developer to create a Sparks app for the Android platform. The key feature of the app should be order tracking. Technical Skills and Experience Required: - Proficient in Android app development - Prior experience in creating apps with order tracking feature - Strong understanding of UI/UX for mobile devices - Knowledge in modern design practices Design aesthetics are open for discussion given I've skipped that part in the questionnaire. Deliver an app that is functional, user-friendly, and complements the Sparks brand. Your portfolio showcasing similar projects would be of great interest.
...developer to create an engaging 2D game for both iOS and Android platforms. The main objective of this game is to complete levels, and I envision it in a fun and playful cartoonish art style. Key Requirements: - The game should feature 10 levels in total, each progressively more challenging than the previous. - Implement in-game purchase functionalities to enhance player experience. These should be well-integrated into gameplay without disrupting the user experience. - The game must be compatible with both iOS and Android devices, ensuring smooth performance and functionality on various screen sizes and resolutions. Skills and Experience: - Proven track record in developing 2D games for mobile platforms, particularly iOS and Android. - Proficiency in creating eng...
I'm looking for a s...conversion rate, bounce rate, and traffic sources from search engines and other platforms. - Insightful monthly reports: I'd like to receive these reports on a monthly basis. The primary goal of my website is to generate leads. I'm keen on understanding how various aspects of my website are contributing to this goal. Ideal skills for this project include: - Proficiency with Matomo and similar analytics tools - Experience in setting up and interpreting website performance dashboards - Ability to analyze data and provide actionable insights - Strong communication skills, especially in translating data into reports that are easy to understand. If you have what it takes to help me set up a robust and insightful website performance dashboard, I...
... We have three websites: an eCommerce site, an email marketing site, and a WooCommerce-related site, all with domain authorities (DA) above 40. Our goal is to build 20 backlinks for our eCommerce analytics website within 7 days. Here’s what we need from you: Identify Potential Websites/Blogs: Find websites or blogs with relevant content to our eCommerce analytics site and a DA above 25. Reach Out for Link Exchanges: Email these websites to propose link exchanges, ensuring the backlinks are relevant and high-quality. Secure 20 Backlinks: Successfully build 20 backlinks for our eCommerce analytics site within the given timeframe. This is a straightforward task that requires attention to detail and effective communication skills. If you can help us achieve thi...
...The project aims to provide insights into the logistics and business operations of several industries including Healthcare, Retail, Manufacturing, and Education. Key Tasks: - Data Cleaning and Preprocessing: Efficiently handle large datasets in multiple languages for optimal data quality. - Descriptive Analytics and Reporting: Create insightful reports on the logistics and business data in a clear, concise and actionable manner. - Predictive Modeling and Forecasting: Utilize predictive analytics to forecast future trends and make informed strategic decisions. Ideal Candidate: The ideal candidate should possess: - Proven experience in data analysis, particularly in a multilingual context - Strong understanding of logistics and business operations - Proficiency in English,...
...additional features crucial to its success. This includes a user registration/login system, real-time data analytics, and payment gateway integration. The app will also require seamless integration with specific game APIs such as live casino, betting, and potentially others. Key Requirements: - Development of a web-based color prediction application - Implementation of user registration/login system - Integration of real-time data analytics - Seamless payment gateway integration - Integration with live casino and betting game APIs - Potential for additional API integrations Ideal Skills: - Web development expertise (React.js, Node.js, etc.) - Strong experience with real-time data analytics - Proficiency in payment gateway integrations - Previous work with game AP...
...who can create a robust web application using Vue.js and Laravel. This application is primarily aimed at business professionals and should incorporate real-time data analytics. Key skills and requirements: - Proficiency in Vue.js and Laravel - Previous experience building web applications - Understanding of real-time data analytics - Strong problem-solving abilities - Good communication skills, as there may be a need for clarifications on the project - Ability to deliver high-quality, scalable code Your main tasks will include: - Building a user-friendly and intuitive interface using Vue.js - Implementing real-time data analytics functionalities - Ensuring the application is secure and scalable - Collaborating with me to understand and interpret business needs -...
...and interpret analytics data on my e-commerce website. Key Requirements: - Track & Interpret: I need someone who can implement tracking for traffic sources, conversion rates, page views and user interactions on my e-commerce website. You should have a strong background in data analysis and be able to provide actionable insights based on the data. Skills and Experience: - Strong Proficiency in Google Analytics: As I am currently using Google Analytics, you should be experienced with the platform and be able to set up advanced tracking and reporting. - E-commerce Analytics: Experience with e-commerce tracking methodologies, such as tracking of specific sales funnels, cart abandonment rates, and product performance. - Data Analysis: A comprehensive underst...
Hello! We're looking for an expert in Android or Flutter for an urgent project. Currently, we have the system connected on Android, but the app is lacking in many aspects. We need to connect the system on Flutter and develop the functionalities we need. In Android, we need to implement an ID confirmation and a dropdown category indicating products delivered in the main warehouse, among others. This will help us keep better control over the system. It's urgent, and we need to complete it today! If you have experience in Android or Flutter and can help us with this, please contact us as soon as possible!
...Ideal Skills and Experience: - Extensive experience in email marketing, particularly in the area of sales conversion. - Proven track record of successfully increasing sales through email campaigns. - Strong understanding of potential customer behavior and how to target them effectively. - Excellent copywriting skills for creating compelling sales emails. - Proficiency in email marketing tools and analytics to track campaign performance. --- Product Details -- Point of Sale, Inventory and Customized Mobile Apps ---- These products will be available on subscription based licenses. --- My tag lines: 1. First 3 months free trial 2. Free Customizations 3. No payment until you are satisfied --- I am interested for commission based contract. You will convert the ...
I'm seeking a Flutter developer to create a quiz app that's compatible with both iOS and Android. Key Features: - Register with Google and Facebook - Category list - Leaderboard - Quiz screens - Quiz results - Profile and settings pages The app will be centered around multiple choice questions quizzes. Skills Required: - Proficiency in Flutter - Experience with integrating social media registration (specifically Facebook) - API integration capabilities - Familiarity with quiz app development - Ability to implement a clean, user-friendly UI for the mentioned pages Interested freelancers should be able to work efficiently and provide a polished final product. Please share your relevant past work for consideration.
We are a international exchange program provider in China. I am looking for an experienced online marketer capable of designing and executing an effective digital strategy for increasing website traff...- website upload, online marketing channel content upload, etc With these tools, the aim should be on capturing the attention of a target audience ranging from 18-44 years of age. The ideal candidate for this project will exhibit proficiency in social media and search engine marketing, online reputation management, and analytics to measure website traffic growth. A keen understanding of the agile digital landscape and the ability to adapt strategies based on analytics outcomes is a plus. Be ready to showcase relevant prior work and success stories. Let's increase ou...
looking for an expert in video analytics to help with a live stream volume calculation project for inventory management. Key Requirements: - Utilizing video analytics to calculate and track volume - Developing a system to process live streaming video feeds - Find volume of a dirt pile using multiple fixed cameras and any other needed sensors in .NET core C#. Examples of apps already built - URC Ventures Stockpile Reports Lite iPhone app; ; Use openly available camera appliances so we shall be independent of any specialty vendors. Please provide testing procedures and testing tools in simulated conditions. If some 3rd party tools are used, our pre-approval, source codes and unlimited licenses be included, meeting
I'm looking for a skilled Flutter developer to create a mobile application for both iOS and Android. I'm open to discussing the main functionality of the app with the chosen developer. However, I am particularly interested in including some key features like user authentication, push notifications, and in-app purchases. My ideal professional for this project would have experience in developing Flutter apps that are compatible with both iOS and Android, as well as integrating the mentioned features seamlessly. A good understanding of UI/UX design principles would be a plus. Please feel free to reach out to me if you believe you are the right fit for this project. Thank you.
I need a simple Android app that can automatically send messages to a WhatsApp group at random times. The app should: - Allow me to adjust the number of messages sent daily - Send messages at truly random times User Interface: - A simple UI for: - Adjusting the daily message count - Customizing the message content The app does not need to include analytics to track the number and timing of messages sent. More information: Can someone develop an Android app that can do the following: Automatically send a message in a WhatsApp group at random times. For example, send 3-5 messages per day at random times. The number of messages should be adjustable within the app. The messages should be sent between 9:00 AM and 10:00 PM (always at random times). The time range dur...
...sample app that uses Firebase as back end. The app should be able to list Excel files from the server and allow the user to select a file and email the file as an attachment. The function must work on Android devices including Chromebook. The development environment must be on a MacBook with Android Studio IDE. Sending URLs instead of attachments is not acceptable. Key Requirements: - Utilize Flutter for the front-end development. - Incorporate Firebase for back-end data management. - Implement support for Excel files specifically. - Provide means to list the documents stored in the Firebase account. - Include functionality to email these files as an attachment. Ideal Skills: - Proficiency in Flutter for cross-platform app development. - Strong exper...
I'm looking for a seasoned Flutter developer to enhance my existing Android app with Firebase integration. Key Requirements: - We have already developed the are looking for enhancement in existing app. 1) Reduce the Google MAP load time 2) User able to change From Address also. Ideal Skills: - Proficiency in Flutter: As the app is built on Flutter, advanced knowledge of the framework is crucial. - Experience with Firebase integration: You should have a proven track record of successfully integrating Firebase services like real-time database. Please provide examples of previous work demonstrating your expertise in Flutter and Firebase.
We are starting a project to develop a QR code payment application called "Metropol Pay" that will run on the Android platform. The application will be designed to perform the following basic functions, with a user-friendly interface: get tokens QR code creation Payment inquiry Cancellation and refund procedures These functions will be exposed via AIDL and can be triggered via App2App from another application. The application will manage Metropol Pay's payment processes, show the user the QR code and query the transaction details. When opened, Metropol Pay will receive a token with a 5-minute validity period from a Token API, then generate the QR code and display it on the POS screen. The screen will be designed to be user-friendly and informative, and the necessary...
...content. * Establishing a data analytics feature. This data should be accessible to admins and will be used to gauge user preferences and activity. * Incorporating real-time notifications. This functionality should alert users of new content, primarily new music uploads. An essential part of this project is the local storage and streaming of music files. These files need to be stored on our server and not sourced from external resources. They should be stored on a local sqlite database. Ideal candidates should have experience working with ASP.NET MVC, building user registration systems, implementing real-time notifications, and most importantly, handling local storage and streaming of multimedia files, preferably music. A robust understanding of data analytics and how to...
...network - Engage with content to enhance visibility - Track analytics to measure and improve our LinkedIn performance Your primary goal will be to nurture professional relationships within our industry. This role will require a strategic approach to networking, utilizing engaging content to foster connections. The content you'll be focusing on is mainly company updates and achievements. You must translate our successes and milestones into compelling, shareable posts that will resonate with our LinkedIn audience. Ideal Skills: - Proven experience managing LinkedIn profiles for businesses - Excellent networking and relationship-building skills - Strong content creation and curation ability - Proficiency in LinkedIn's analytics and tracking tools This role is ...
I have two projects to do on Android Studio by java language. I'm waiting good offers . Task : Create a Music / MP3 player mobile application in Flutter or in Android Studio that recommends its users the local area popular songs based on their GPS location. Submit the source code and the apk file as Task2.zip. Task : Create a Mobile Application for a Cafe Restaurant to receive orders from its Customers. The Application should offer a list of menu items [For Example: Coffee, Garlic Bread, Cheese Sticks etc.] You can choose the menu items from 4-5 items as per your choice. Try to make the application visually appealing and interactive in terms of graphical user interface (GUI). Demonstrate your coding and presentation skills by creating a short video of "you&quo...
we have an old iOS App that didn't got updated for some years and we don't have a SWIFT-Developer anymore. using FCM legacy some parameters have been written to a custom sub-object in the JSON and this seems not to be supported anymore. it's really not possible anymore? so I moved all parameters to the root-level and no we have to update the App so this parameters get processed again (receiving notifications work well in general, just the action-parameters are missing) the challange: I currently can't send Notifications to the Simulator so it's not possible to debug notifications and I'm not allowed to share the code so I can only give access using TeamViewer or AnyDesk
Hello, I am looking for a Google Ads expert to assist me with the following tasks: 1. Set up Google Analytics and Google Tracking. 2. Launch and manage a single Google Ads campaign. 3. Optimize the campaign for better performance. My monthly budget for this project is $100. If you are interested and believe you can meet these requirements, please get in touch. Thank you, Azmi
I am in need of an experienced React Native developer to create an e-commerce app compatible with both iOS and Android platforms. The project is expected to: - Transform my existing design into a functioning - Implement necessary features and functionalities for a seamless shopping experience - Ensure smooth compatibility and performance on both iOS and Android Your primary responsibility in this project will be to bring my design to life, with a focus on delivering a high-quality e-commerce app that is efficient, user-friendly, and visually appealing. Experience with e-commerce app development, React Native, and the ability to work across multiple platforms is a must. You need to create a project from scratch You've to follow proper coding standards You need to imp...
I need a simple Android app that can automatically send messages to a WhatsApp group at random times. The app should: - Allow me to adjust the number of messages sent daily - Send messages at truly random times User Interface: - A simple UI for: - Adjusting the daily message count - Customizing the message content The app does not need to include analytics to track the number and timing of messages sent. More information: Can someone develop an Android app that can do the following: Automatically send a message in a WhatsApp group at random times. For example, send 3-5 messages per day at random times. The number of messages should be adjustable within the app. The messages should be sent between 9:00 AM and 10:00 PM (always at random times). The time range dur...
Hello, I will need 2 different versions of a very simple booking android app. the important part is the communication with our simple Java (eclipse) backend. Analytical step-by-step details will be sent in doc, together with helpful code and matterial, as well as the java eclipse project of the backend. We will need 2 completely different versions of the same app (completely different gui, comments on code, approach where possibble, all variable and function names, structure and order) Budget is $200 USD for both (2 milestones $140 USD and $60 USD) Deadline: 27/5 for the first and 30/5 for the second
I need assistance creating a UA tracking ID for my Google Analytics account.
...audience interested and coming back for more, increasing followers and being proactive with responses. We will provide all of the content. *Ad Campaigns* You will also be responsible for managing and creating our ad campaigns across these platforms. This includes monitoring performance, adjusting the campaigns to improve reach and engagement, and ensuring they are in line with the brand. *SEO and Analytics* A key part of this role is analyzing engagement and performance metrics. This data will be crucial in helping us understand what's working, what's not, and what we can adjust for better results. Experience in SEO would also be beneficial. The overall goal of this project is to increase brand awareness. In order to achieve this, I'm looking for someone with de...
I'm seeking a talented Android app developer to create a comprehensive educational platform. The app will focus on engaging the user in their learning process through interactive quizzes. Key Features: - Development for Android platform Ideal Skills and Experience: - Proficient in Android app development - Experience in building educational apps would be a plus - Familiarity with integrating interactive quizzes - Strong understanding of UI/UX for educational purposes Your role will be instrumental in shaping a platform that combines educational content with interactive assessments. This is an opportunity to make a significant impact in the field of mobile education.
I'm looking for an experienced Android developer to create an educational app. The app's primary goal is to provide educational content to users. In order to deliver this content effectively, I need the following functionality: - User Accounts: The app should allow users to create profiles and log in. This is essential for tracking progress and providing personalized content. The ideal candidate for this project should have: - Proficient in Java and Android development - Experience in creating user account systems within apps - Prior experience in educational app development would be a plus. Please provide examples of similar projects you've worked on. I'll be looking for someone who can not only deliver a functional app, but also one with an intui...
I am looking for a talented app developer who has experience creating educational apps for the Android platform. The main focus of this project is to design and develop an interactive educational app that will engage users through quizzes and assessments. Key Requirements: - Expertise in Android app development - Proven experience in building educational apps - Ability to integrate interactive features like quizzes and assessments - Strong understanding of UI/UX principles - Communication skills to ensure project requirements are met The ideal candidate for this role would be a forward-thinking, detail-oriented professional who can deliver a high-quality, user-friendly educational app.
I need a skilled software developer who can help me complete an Android application. The app has two primary functions: - Prevent thieves from shutting down the mobile phone: This is a critical security feature we are incorporating into the app. We need to make sure that the app is robust and capable of preventing unauthorized shutdowns of the device. - Provide customers with quick settings: The app should also have a user-friendly, accessible quick settings menu. This should include battery status, Wi-Fi settings, Bluetooth settings - essentially, everything that can be considered essential for quick and easy access. Ideal skills and experience for this job include: - Proficiency in Android app development - Experience with anti-theft features in apps - Strong UI/UX design...
I'm in need of an Android developer who can create an AI chat application using Kotlin. The project will require the following skills and experience: - Proficiency in Android development with Kotlin - Experience in integrating AI functionalities - Familiarity with AI Chat development - Ability to optimize for performance and scalability - Experiance in Audio/video calling - Knowledge of Firebase Database. -Chatting using Firebase. Please note that the target audience and specific features for the AI chat application are yet to be defined.
Google Analytics 4 migration and Tag Manager Set up We are a company that have invested in Googe Ads for 10 years now. We are experiencing some problems with our campaigns, receiving leads that are not from our target. Apart from that, we have the need to comply with Google Policies, wich are the following: Conversion Measurement and Privacy adjustments. Privacy and measurement support proposal for the company and its 2 main assets/landings. Both with different Google Ads pixels. - Audit of essential conversion measurement pixels. - Audit Measurement in the relationship with the consent management tool/cookie banner/CMP. Incorporation of a CMP. Cost of the CMP by the client. - Audit and Set up in GA4 and GTM of measurement coordination with the CMP. - Set up of "Consent ...
...notifications, similar to emails or SMS. A total of 12 layouts need to be designed. The logo and colors are already finalized, and there is an existing old design in Figma. Requirements: Experience: Proven experience in UX/UI design for mobile apps. Design: Simple, intuitive, and user-friendly layouts based on the existing Figma design. Compatibility: Designs should be suitable for both iOS and Android. Components: The layouts must include all necessary components for notifications, such as: Sender logo Sender verification status Timestamp formatting Title and short description of the notification Notification category Required Layouts: 1. Splash Screen 2. Login (without registration layout) 3. Notification List: Sender logo, Sender name, Title, Short content, Category, Tag, T...
I am looking for an experienced and creative social media specialist to create and manage advertising campaigns for my business across several platforms - namely Facebook, Instagram, Twitter and TikTok. Skills and Experience required: - Proven exp...my business across several platforms - namely Facebook, Instagram, Twitter and TikTok. Skills and Experience required: - Proven experience in managing paid social campaigns on Facebook, Instagram, Twitter and TikTok - In-depth knowledge of these platforms' advertising algorithms and audience segmentation - Ability to create engaging content suitable for each platform - Strong understanding of analytics and ability to optimize campaigns based on results Please apply with relevant examples of campaigns you've managed and resu...
I will complete the two notebooks and make sure that the code runs perfectly.
