
Closed
Posted
Paid on delivery
Tenho um app Android já funcional e hospedado num servidor próprio, mas ainda preciso aprimorar alguns pontos de interface no Android Studio. O que preciso agora 1. Tela de login obrigatória protegida por PIN que eu mesmo possa definir e alterar no código ou em preferência interna. Apenas com o PIN correto o usuário acessa o restante do aplicativo. 2. Animação de carregamento suave nessa tela de login, iniciada assim que o usuário toca em “Entrar” e finalizada quando a validação do PIN permitir abrir a tela principal. 3. Novo item de menu chamado “Tutorial”, visível nas opções do canto superior direito ao lado de “Definições”. Ao tocar nele, deve abrir-se um vídeo demonstrativo incorporado (uso local ou streaming, o que ficar mais leve e confiável). O que já existe • Estrutura do projeto em Android Studio com códigos-fonte organizados. • Download de recursos otimizado — migrei de GitHub para servidor próprio e já notei ganho de velocidade. • Layouts básicos prontos, mas sem a tela de login e sem o menu Tutorial. O que espero receber • Código completo atualizado (Java ou Kotlin, a manter coerência com o projeto atual) comentado e pronto para compilar. • Orientações rápidas sobre onde alterar o PIN. • Pequeno checklist de passos para que eu substitua o vídeo demonstrativo no futuro. • Sugestões leves para outras melhorias de UI/UX se notar algo evidente durante o trabalho. Ferramentas esperadas: Android Studio padrão, Material Design Components, animação Lottie ou similar para o loader (aceito sugestão). Prazo e comunicação: valorizo entregas claras e comunicação objetiva; podemos testar juntos pelo Android Emulator ou APK assinado. Se tiver experiência comprovada em telas de autenticação seguras, animações leves e menus contextuais, ficarei feliz em trabalhar com você.
Project ID: 40363931
25 proposals
Remote project
Active 1 mo ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
25 freelancers are bidding on average €68 EUR for this job

Hi. As an Android, I am very interested in your project. I am very familiar with Android Studio and Pin function. I have mobile and backend skills with 8+ years. I wish to work for you. Thanks for attention.
€100 EUR in 1 day
7.3
7.3

As a testament to my 13+ years of professional experience as a full-stack developer, I see your project fitting smoothly with my expertise in app integrations, mobile development, secure authentication systems, and intuitive UI/UX enhancement. My technical skills including both Java and Kotlin programming languages make this job even more effortless for me. Having prior knowledge of integrating secure authentication is undoubtedly an added benefit -entailing a smooth development phase for the login pin functionality keeping data and user's privacy utmost priority.
€60 EUR in 7 days
5.9
5.9

As an experienced Freelancer who crafts high-performing digital solutions for businesses, I'd be absolutely thrilled to work with you on improving your Android app. My expertise extends far beyond just WordPress - I also have a strong background in Android/Kotlin development, where I've built various apps, including those involving secure user authentication and lightweight animations. Your project aligns perfectly with my skills and experience, making me the ideal candidate to deliver on your needs. In terms of specific skills, my proficiency in Android Studio is coupled with a solid understanding of Material Design Components, which will ensure that your interface remains sleek and coherent. Furthermore, I'm well-versed with the use of loaders/animations in mobile apps and can suggest the most suitable ones - like Lottie - to enhance your app's UI/UX. I'll also give you clear instructions on how to change PINs and update the tutorial video in the future, ensuring you have full control over your app. With me on board, you're not just getting a developer – you're getting a knowledgeable partner dedicated to helping you optimize your app.
€60 EUR in 1 day
5.3
5.3

Olá! Vi que o seu app Android já está funcional e precisa de três melhorias pontuais de UI — tela de login com PIN, animação de carregamento e menu Tutorial com vídeo incorporado. Tenho experiência sólida com Android Studio, Material Design Components e animações Lottie, que é exatamente o stack que você mencionou. Para o login, implementarei uma PIN Activity com validação contra um valor armazenado em SharedPreferences (fácil de alterar), com uma animação Lottie suave no botão "Entrar" durante a verificação. O menu Tutorial será adicionado ao toolbar existente, abrindo um ExoPlayer leve para streaming ou reprodução local do vídeo. Entregarei código comentado, checklist para troca do vídeo e sugestões de UX. Posso começar imediatamente.
€20 EUR in 1 day
5.4
5.4

Hi! Analisei seu app Android e entendi que você precisa de uma tela de login com PIN configurável, uma animação suave ao tocar em “Entrar” e um novo menu “Tutorial” com vídeo incorporado. Posso implementar tudo isso mantendo a estrutura atual do seu projeto, com código limpo, comentado e fácil de manter (Java ou Kotlin conforme já usado). Também vou incluir instruções simples para alterar o PIN e substituir o vídeo no futuro, além de sugerir pequenas melhorias de UI/UX. Looking forward for your positive response in the chatbox. Best Regards, Arbaz N
€60 EUR in 7 days
5.3
5.3

-------- Android App UI Enhancement (PIN Login + Animation + Tutorial Module) -------- Hello, I understand you need to enhance your existing Android app with a secure PIN-based login, smooth loading animation, and a tutorial video module, and I am perfect for this as I specialize in refining Android apps with clean UI/UX and lightweight, secure implementations. We will implement a secure PIN authentication screen with editable storage (SharedPreferences/local config), integrate a smooth Lottie-based loading animation, and add a “Tutorial” menu with embedded video support (local or streaming). Thanks
€110 EUR in 7 days
4.6
4.6

Hi, There, I understand you're looking to enhance the UI of your existing Android app with crucial features like a secure PIN login, a smooth loading animation, and a new tutorial menu. These improvements are essential for elevating the user experience. I am Kanzah Afaq, with over 7 years of experience in Mobile App Development, particularly in Java and Kotlin. My expertise includes creating user-friendly interfaces and incorporating animations that engage users effectively. I specialize in: - Android App Development - Secure authentication methods - Smooth animations using Lottie You can view my portfolio to see my previous work: https://www.freelancer.com/u/KanzahAfaqAhmad I am eager to collaborate and help you achieve your vision with clear communication and timely delivery. Thank you for considering my proposal. Regards, Kanzah Afaq
€60 EUR in 7 days
4.3
4.3

Hey — saw your post about melhorar a UI de login e tutorial no seu app Android. Quando essa parte não está clara ou bem fluida, muitos usuários abandonam logo no primeiro uso, mesmo com o app já funcionando bem. Antes de sugerir um caminho: Hoje o login e o tutorial estão feitos em views nativas (XML/Compose) ou em WebView/HTML dentro do app? Já trabalhei em ajustes de onboarding e telas de autenticação em apps Android publicados na Play Store, focando em deixar o fluxo mais simples e visualmente consistente sem quebrar nada no backend. Se puder mandar o APK, alguns prints das telas atuais ou o link do repositório, dou uma olhada e te digo exatamente o que dá pra melhorar dentro do que você está buscando.
€60 EUR in 7 days
4.2
4.2

Hello, I am a professional mobile app developer with strong expertise in Java, Kotlin, Android Studio, and cross-platform mobile application development. I specialize in building smooth, scalable, and user-friendly mobile apps for both Android and iOS platforms. What I Can Offer Android app development using Java & Kotlin iOS app development (based on project requirements) UI/UX design integration and animation support Bug fixing and optimization of existing apps API integration and backend connectivity Full mobile app development from idea to deployment Skills & Technologies Java (Android Development) Kotlin (Modern Android Apps) Android Studio (UI design, debugging, testing) Mobile App UI/UX & Animations Firebase / REST APIs integration App performance optimization Why Choose Me Clean, modern, and responsive app design Focus on performance and user experience Strong debugging and problem-solving skills On-time delivery with professional communication Ability to turn ideas into complete working applications Deliverables Fully functional Android/iOS application Source code (Java/Kotlin) APK / App Store-ready build Documentation for setup and usage UI/UX assets (if required) I would be happy to discuss your app idea in detail and provide a reliable, high-quality solution tailored to your needs.
€50 EUR in 3 days
3.6
3.6

I've just completed a similar project. I developed a secure PIN-based login screen with smooth loading animation and an integrated tutorial video menu item. This project aligns well with your requirements for authentication, animation, and seamless video integration. The focus is clearly on login security and user-friendly interface improvements. My specialization includes secure Android login screens with attention to performance, security, and polished user experiences. Let's chat about your project; worst case, you walk away with a free consultation and a clearer understanding of your project. Kind regards, Curtley
€50 EUR in 14 days
3.1
3.1

Hey , I just finished reading the job description and I see you are looking for someone experienced in Android, Java, Mobile App Development, iPhone, Animation, Android Studio, Android App Development and Kotlin. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? Deliver high-quality work with a strong focus on accuracy, efficiency, and client objectives. Maintain a proven record of long-term client satisfaction with consistently positive feedback. Earn 5-star ratings on recent projects, reflecting reliability and clear communication. Work with a structured, detail-oriented approach to ensure timely and accurate delivery. Availability: Full-time freelancer with flexible availability and fast response times (Eastern Time). I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Hassan.
€42 EUR in 6 days
2.6
2.6

Hi, I’m Fiza Shabbir. I can help you set up and manage high-performing Google Ads campaigns across all four of your websites, with a strong focus on generating profitable leads rather than just traffic. Here’s how I’d approach it: • Audit your existing accounts (for the live sites) and set up clean, conversion-focused campaign structures for all four websites. • Perform detailed keyword research tailored to the Romanian market, focusing on intent-driven searches that convert. • Set up and validate conversion tracking so every lead and action is properly measured. • Build and optimize Search campaigns with the right mix of keywords, match types, and negative keywords. • Continuously monitor and improve performance by refining CTR, lowering CPA, and scaling what works. • Manage budgets carefully across all projects to maximize ROI within your monthly spend. • Provide clear, regular reports so you always know what’s working and where to scale. I focus on results-driven campaigns, making sure every dollar spent is aligned with lead generation and real business outcomes. I personally manage campaigns and handle optimization directly, ensuring consistency and accountability. I’d be happy to share relevant experience and discuss how we can structure campaigns for your niche and audience. Best regards, Fiza Shabbir
€60 EUR in 2 days
2.7
2.7

Warm Hello! Seu app já está bem avançado—vamos adicionar segurança, fluidez e um toque profissional sem complicar a base atual. Somos uma equipe de 62 profissionais com mais de 9 anos de experiência em Android (Java/Kotlin, Material UI, animações leves). Here's how we can help: • Implementar tela de login com PIN seguro (armazenado via SharedPreferences/EncryptedStorage) • Permitir fácil alteração do PIN via config interna/documentação clara • Adicionar animação suave com Lottie ao tocar “Entrar”, com controle de estados (loading/success/error) • Criar menu “Tutorial” no topo (Material Menu) com player de vídeo (ExoPlayer – local ou streaming otimizado) • Garantir integração limpa com sua estrutura atual no Android Studio • Entregar código comentado + checklist simples para trocar o vídeo futuramente Foco em performance, UX fluida e código fácil de manter—sem quebrar o que já funciona. Perguntas rápidas: o projeto atual está em Java ou Kotlin? Prefere o vídeo local (offline) ou streaming? Deseja limitar tentativas de PIN (ex: bloqueio após 3 erros)? Podemos começar imediatamente e testar juntos via emulator ou APK.
€80 EUR in 7 days
2.7
2.7

In need of a reliable Full Stack Developer who can ensure your app's Login and Tutorial experience is both secure and engaging? Look no further! With over 5 years of experience building Android apps, I know how to make delightful UI/UX experiences while focusing on security. I can perfectly implement the mandatory PIN-based login feature you desire, ensuring user protection by allowing only correct PIN access. And yes, I always keep my code well-commented and easy to navigate so you'll know where to update the PIN anytime. Moreover, I understand the importance of an efficient loading animation in a LoginActivity. Rest assured, I'll create a smooth and captivating loader for you using tools like Lottie that won't compromise on performance.
€60 EUR in 7 days
1.9
1.9

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, Thank you for checking my proposal and sharing the detailed project brief. I can enhance your Android app using Android Studio with a secure PIN-protected login, smooth loading animation, and a tutorial menu with an embedded video. I will deliver: • Secure PIN-protected login screen • Smooth loading animation upon entering PIN • Tutorial menu with embedded video feature • Updated, commented, and compilable code • Quick guidance on PIN modification • Checklist for future video replacement • Light UI/UX improvement suggestions You will also receive: • Clear instructions • Support for testing on Android Emulator or signed APK I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag
€100 EUR in 7 days
0.0
0.0

Olá! Posso aprimorar seu aplicativo Android com uma abordagem segura, limpa e amigável, mantendo sua estrutura existente intacta. Já implementei telas de acesso baseadas em PIN, garantindo simplicidade e proteção básica usando SharedPreferences ou armazenamento seguro. Adicionarei uma animação de carregamento suave baseada em Lottie, diretamente vinculada à validação do PIN, para uma experiência refinada, e integrarei um menu "Tutorial" com uma solução de vídeo eficiente (local ou streaming). Algumas perguntas rápidas: Seu projeto está atualmente em Java ou Kotlin? Você prefere vídeo offline (embutido) ou streaming para o tutorial? O PIN deve suportar novas tentativas/bloqueio? Algum estilo de animação ou referência preferida?
€20 EUR in 1 day
1.1
1.1

: ? Android App UI Improvements & Secure Login Hello, I can help you enhance your existing Android app by adding a secure PIN-based login, smooth loading animation, and a “Tutorial” menu with video integration—while keeping your current code structure clean and efficient. ? What I Will Do 1. ? PIN Login Screen Secure login before app access PIN stored in SharedPreferences (easy to update) Simple instructions to change PIN anytime 2. ✨ Loading Animation Smooth Lottie animation on “Entrar” click Stops after successful validation Lightweight and optimized 3. ? Tutorial Menu Add “Tutorial” option in top-right menu Opens video (local or streaming) Easy future replacement steps included ? You Will Get Updated source code (Java/Kotlin as per your project) Clean & well-commented code Ready-to-build project Quick guide for PIN & video updates Small UI/UX improvement suggestions ⏳ Timeline 2–4 days ? Budget Flexible & reasonable ? Why Me Strong Android (Java/Kotlin) experience Clean, maintainable code Fast delivery & clear communication Focus on smooth UI/UX I can start immediately and deliver a polished, lightweight solution for your app. Let’s work together ?
€100 EUR in 7 days
0.0
0.0

Hi, I can upgrade your Android app in Android Studio (Java/Kotlin) with a secure PIN login, smooth UI flow, and a new “Tutorial” feature while keeping your existing structure intact. What I will implement: PIN-protected login screen (configurable via code or internal settings) Secure access gate before entering the main app Loading animation (Lottie or lightweight alternative) during PIN validation Smooth transition to main activity after successful login Add “Tutorial” menu item in top-right options menu Embedded video player (local or streaming-ready) Deliverables: Fully updated, clean, commented Android Studio project Clear instructions to change PIN easily Guide for replacing tutorial video later Optional UI/UX improvement suggestions if needed Focus: Lightweight, fast UI Clean authentication flow Easy maintainability Ready to start once you share the project files and current structure. Regards, SA
€70 EUR in 2 days
0.0
0.0

Olá! Entendo perfeitamente os ajustes necessários. Tenho experiência em Android Studio e posso implementar a tela de login via SharedPreferences (para o PIN ser alterável de forma persistente) e utilizar Lottie para uma animação de carregamento moderna e leve. Para o menu de Tutorial, implementarei o vídeo via ExoPlayer, garantindo que o streaming seja fluido. Entregarei o código comentado com um guia prático para que você mesmo altere o PIN e o vídeo no futuro, além de aplicar melhorias de Material Design para elevar a estética atual do app.
€60 EUR in 7 days
2.4
2.4

Lisbon, Portugal
Member since Apr 4, 2026
€12-18 EUR / hour
min €36 EUR / hour
€6-12 EUR / hour
₹1500-12500 INR
$10-30 USD
₹37500-75000 INR
£20-250 GBP
₹12500-37500 INR
$100-300 USD
₹600-601 INR
₹12500-37500 INR
$30-250 USD
$250-750 USD
₹1500-12500 INR
$300-1000 USD
$30-250 USD
₹75000-150000 INR
€250-750 EUR
$30-250 USD
₹12500-37500 INR
$10000-20000 USD
₹12500-37500 INR
₹600-1500 INR