Reconstruir APK Android con ingeniería inversa

@Microlent

You're dealing with a lost codebase and only have the APK installed on some devices. Descompiling the APK with tools like JADX or apktool will be the first step to recover your project. I've worked on similar Android projects, like AnswersAi, where we had to optimize APK size and ensure proper theming and accessibility. To ensure the rebuilt project is maintainable, I'll refactor the generated Java or Kotlin code and verify that the resulting APK behaves identically, especially regarding phone usage and GPS access. I can put together a quick Código Java/Kotlin for free so you can see the approach first. ~ Rajesh

@diektech

Hi — Elias here from Miami. I understand you're looking to reconstruct your Android APK after losing the source code. This situation can be challenging, especially regarding the integrity and functionality of the application. The real technical difficulty often lies in the reverse engineering process. Preserving the app’s logic and user experience is crucial. A common issue is managing dependencies and APIs that the app interacts with. What usually matters most is ensuring that the reconstructed code is maintainable and scalable for future updates. My approach would involve analyzing the APK to extract the necessary components while documenting the architecture used. This helps recreate a robust version of your app. I have worked on similar projects where I successfully reversed engineered applications while maintaining their core features and performance. A few questions to better understand the scope: Q1 – Are there specific functionalities that are critical to retain? Q2 – Do you have any integrations with external services we should consider? Q3 – What are your expectations for future updates or enhancements post-reconstruction? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.

@eclairios

Hello, We understand the critical need to fully restore your Android application's source code from its APK, ensuring all original call, sensor, and GPS functionalities are perfectly preserved and compilable within an Android Studio project. We are fully equipped to meticulously decompile, reconstruct, and refactor your app to deliver a clean, functional, and behaviorally identical project. I’m Waqas from Eclairios, a professional software engineer with over 7 years of experience in app and web development. I have successfully completed 128 projects, earning a 5.0 rating from satisfied clients. I specialize in mobile apps (Android, iOS, Flutter), website development, custom APIs, and backend solutions. My goal is to deliver high-quality, scalable solutions that meet your business needs. Why hire me? ★ 100+ Projects Completed with 5-star rating. ★ 3 months of free post-launch support ★ Expertise in advanced technologies and systems Let’s connect and discuss how I can help you with your project. Best regards, Waqas

@XanvraTECH

Hello, I am very interested in your project of reconstructing an Android APK through reverse engineering. I understand the requirements involve decompiling the APK, rebuilding the project structure, cleaning and refactoring the code, and ensuring the final APK behaves identically to the original, especially in terms of phone usage and location reading APIs. With my expertise in Mobile App Development, Android, Java, Kotlin, and API integration, I am well-equipped to handle this task efficiently. I plan to use tools like JADX and apktool for decompilation, reconstruct the project in Android Studio, and thoroughly document the process. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I suggest a follow-up discussion to further delve into the specifics of the project and ensure a successful collaboration. Best regards, Warda Haider

@Herculesz

Hi I can help recover your Android application project from the APK and rebuild it into a working Android Studio structure with organized resources, Gradle configuration, and documented build steps. The main technical challenge is that decompiled APK code may be obfuscated, incomplete, or structurally different from the original source, especially around phone, sensor, GPS, and Android permission APIs. I would solve this by using tools such as JADX and apktool, reconstructing resources and manifests, reviewing permissions/services/receivers, and refactoring the generated Java/Kotlin code into maintainable modules. I can rebuild the Android Studio project, clean package structure, restore layouts/assets, configure Gradle dependencies, and preserve behavior for call handling, sensors, and location access. I can also compare the rebuilt APK against the original behavior on a test device to confirm key flows still work correctly. Where exact original source cannot be recovered due to obfuscation or missing metadata, I can rewrite affected sections clearly while keeping the same functionality. The final handoff will include the complete project folder, build notes, required signing guidance, and a concise compilation manual. Thanks, Hercules

@skalogir

Hi there, I understand you need to recover an Android Studio project from an existing APK, including decompilation, Gradle reconstruction, organized resources, readable Java/Kotlin cleanup, and behavior matching for phone, sensor, and GPS features. I have experience using JADX, apktool, Android Studio, Gradle, resource rebuilding, manifest/permission recovery, API-call validation, refactoring decompiled code, and testing APK behavior on real devices. I would extract the APK, rebuild the project structure, restore resources and dependencies, clean critical modules, verify telephony/sensor/location flows, compile a working APK, and document build steps and unavoidable changes. Q1: Was the original app built in Java, Kotlin, Flutter, or React Native? Q2: Is the APK obfuscated with ProGuard/R8? Q3: Do you need the rebuilt APK signed with the original key or a new debug/release key? Best regards.

@Curveballsol

Hello, I understand that you are looking to reconstruct a complete Android Studio project from the APK file of your lost application. The project involves decompiling the APK, rebuilding the project structure, cleaning and refactoring the code, and ensuring that the compiled APK functions identically to the original, especially regarding phone usage and GPS functionality. With expertise in Mobile App Development, Android, and Kotlin, I am well-equipped to handle this project. Effective communication will be maintained throughout the process to ensure your requirements are met. You can view my portfolio here: https://www.freelancer.com/u/Curveballsol Best regards, Curveball Solutions

@jcrbahia

El requisito de conservar intactas las llamadas a la API de GPS y gestión de llamadas es exactamente lo más delicado en un proceso de descompilación, y es donde voy a poner el foco. - Descompilación con JADX y apktool en paralelo: JADX para obtener Java/Kotlin legible, apktool para extraer recursos, manifiestos y smali; cruzando ambas salidas para maximizar la fidelidad del código y detectar discrepancias antes de reconstruir. - Reconstrucción del proyecto en Android Studio con Gradle correcto, módulos bien definidos y todos los permisos de ubicación, telefonía y sensores mapeados a sus equivalentes modernos solo si es estrictamente necesario para compilar. - Refactorización mínima y documentada: únicamente los cambios imprescindibles para que el código sea mantenible; cada modificación queda anotada en el manual de compilación que entregaré junto con la carpeta completa del proyecto. Entrego el proyecto en 7 días desde que reciba el APK. La cifra cubre el alcance descrito; afinaremos el número en cuanto concretemos los detalles que aún faltan, en particular el nivel de ofuscación del binario. Si te parece bien, agendamos una llamada de 15 minutos para revisar esos puntos antes de arrancar.

@rbtech1984

¡Hola! ★★★★ ( Ingeniería inversa de APK, reconstrucción en Android Studio y entrega de un proyecto limpio y recompilable ) ★★★★ He revisado detenidamente su proyecto y entiendo que necesita recuperar un proyecto completo de Android Studio a partir de un APK existente, incluyendo código fuente legible, recursos organizados, configuración de Gradle y una recompilación exitosa, preservando al mismo tiempo todas las funcionalidades relacionadas con el teléfono, los sensores y el GPS. ⚜ Descompilación de APK mediante JADX, Apktool y herramientas afines ⚜ Reconstrucción de la estructura del proyecto en Android Studio ⚜ Configuración de Gradle, módulos y restauración de dependencias ⚜ Recuperación y organización de recursos ⚜ Limpieza de código, refactorización y mejoras en la mantenibilidad ⚜ Preservación de las API de GPS, gestión de llamadas y sensores ⚜ Documentación de la compilación y soporte para pruebas Cuento con una sólida experiencia en desarrollo Android, Java, Kotlin, integración de API y flujos de trabajo de ingeniería inversa. He trabajado en la recuperación y reconstrucción de aplicaciones Android cuando los archivos fuente originales no estaban disponibles, garantizando que la funcionalidad se mantenga intacta tras la reconstrucción. Saludos cordiales, Farhin B.

@intelliresponse

Hello! As a seasoned mobile app developer with a deep understanding of the Android platform, I am confident in my ability to reconstruct your lost Android application from the APK file. Apart from expertise in coding with languages such as Java and Kotlin, my background in API usage and proficiency in relevant reverse engineering tools like jadx and apktool make me an ideal candidate for this project. Given that your application relies heavily on phone functionality and GPS, it is crucial to maintain the integrity of those features during the reconstruction process. My comprehensive understanding of Android APIs guarantees that I can recreate these programmatic functions without compromising their original behavior. Moreover, I prioritize clean and maintainable code as evident from past projects similar to yours. Retrofitting old codes can be a challenge but I strive to not only deliver a fully rebuilt project at par with your expectations but also provide well-documented steps on how the construction was achieved. Retaining the essence of your application while adhering to modern practices for future development is something I always keep in mind. Let's get started and restore your app to its full potential!

@CodeAnchors

Hello, I hope this message finds you well. I have a clear understanding of your project requirements regarding the reconstruction of an Android project from the APK file through reverse engineering. The project objective is not only to recover the code but also to ensure its readability, organize resources, and maintain GPS functionality. My approach involves using tools like JADX or apktool to decompile the APK, reconstructing the project structure in Android Studio, cleaning and refactoring the code in either Java or Kotlin, and ensuring that the compiled APK behaves identically to the original, especially concerning phone usage and location reading. With a strong background in Mobile App Development, Android, and Java, I am confident in my ability to deliver reliable results for your project. You can view my portfolio here: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐ Could you please clarify your main priority or business goal for this project? Feel free to open a chat to discuss and finalize the scope smoothly. Best regards, Muhammad Anas Khan

@codefusion53

Hi Puedo ayudarte a reconstruir un proyecto Android Studio a partir de tu APK, con código legible, recursos ordenados y la posibilidad de compilar sin errores, manteniendo la funcionalidad de llamadas y GPS tal como funciona hoy. Propuesta de trabajo: descompilar el APK usando JADX/apktool, reconstruir la estructura de módulos y Gradle, limpiar y refactorizar el código Java/Kotlin para que sea mantenible, y garantizar que la compilación genere un APK con comportamiento idéntico, especialmente en el manejo de permisos, llamadas al sistema Android y lectura de ubicación. Entregaré la carpeta completa de Android Studio lista para abrir, junto con una guía de compilación y una breve documentación de cambios y limitaciones. Trabajaremos de forma iterativa, validando por build y pruebas en un dispositivo de prueba, y documentaré cualquier ajuste necesario por obfuscation o recursos perdidos. Si el APK se comparte al iniciar y se confirman derechos de uso, el proyecto quedará aceptado como entregable. El presupuesto entre 500 y 1000 USD es adecuado para este alcance. Best, Justin

@ZohaibRoy

⭐⭐⭐⭐⭐ Recover Your Android App Source Code from APK with Ease ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and noticed you're looking for a way to recover your Android app source code from the APK. You have no need to look any further as Zohaib is here to help you! My team has already completed 50+ similar projects for Android app recovery. I will decompile the APK using tools like JADX and apktool, then rebuild the project structure in Android Studio, ensuring all resources and code are organized and maintainable. ➡️ Why Me? I can easily recover your Android app as I have 5 years of experience in Android development and reverse engineering. My expertise includes app decompilation, project structure reconstruction, and code refactoring. Not only this, but I also have a strong grip on Java and Kotlin, ensuring the final APK behaves just like the original. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Android Development ✅ APK Decompilation ✅ Java Programming ✅ Kotlin Programming ✅ Project Structure Reconstruction ✅ Code Refactoring ✅ API Integration ✅ GPS Access Handling ✅ Resource Management ✅ Debugging ✅ Documentation ✅ Testing Waiting for your response! Best Regards, Zohaib

@shamimhossan

I've successfully reconstructed Android applications from APKs before, and I can deliver a fully functional project within just **7 days**! ? I understand the importance of maintaining the app's core functionalities, especially the call management and GPS features. My **6+ years of experience** in mobile app development and reverse engineering allows me to ensure that the reconstructed project will be clean, maintainable, and ready for compilation without errors. ?️ Here’s how I will approach your project: - Decompile the APK using tools like JADX and apktool. - Rebuild the project structure, including Gradle and resources. - Clean and refactor the Java/Kotlin code for better maintainability. - Document all steps and any changes made. 1️⃣ Could you clarify if there are any specific libraries or dependencies used in the original app? 2️⃣ Will you provide the APK file immediately for analysis? 3️⃣ Do you have any particular preferences for the project structure in Android Studio? Let’s connect — just click the chat button, and let’s get your work done quickly. I’m ready and waiting for your message.

@alizashaikh8778

As an Android app developer with a deep understanding of APICalls and Android Studio, I’m confident I can help you recover your lost source code. Your project requires the decompilation of the APK, structural reconstruction, cleaning up and refactoring of generated code, and preserving the functionality you currently rely on so heavily. I have hands-on experience in all these aspects. Beyond just rescuing your code, my focus on delivering clean and maintainable code will ensure that even after this salvage mission is complete, you won't find yourself in a similar bind in the future. I’ll take the time to document all steps we undertake, guaranteeing you a comprehensive report and any necessary changes will be detailed. I'm ready and equipped for whatever your project demands in terms of legibility of code. Building an APK with identical behavior to the current one should be a challenge that excites us! Having a seamless communication channel with my clients remains an essential part of my service. You can trust me to maintain that as well as deliver on time. Let's start recovering your application together!

@mughiraaa

hi, i have reviewed your project. we can recover your android studio project from the apk. i will decompile the apk, rebuild the project structure with gradle, refactor the java/kotlin code for readability, and preserve all gps, call, and sensor functionality. the final project will compile without errors and behave like the original app. i will also provide a brief manual for building and running the project. can we schedule a quick meeting to discuss your apk and the timeline? i’ll share examples of similar recovery projects during the chat. thanks. mughiraa

@toriquldev123

Hello dear, Greetings from Md. Toriqul Islam! We are a dedicated Web Design & Development team with over 10+ years of industry experience, I’m Engineer Toriqul Islam, an experienced Computer Science & Engineering graduate from (RUET). We specialize in building modern, scalable, and user-friendly digital solutions tailored to business needs. What I Offer We help businesses grow online by delivering: • Clean, modern, and responsive website designs • High-performance and scalable web applications • User-focused UI/UX for better engagement and conversion My Technical Expertise We work across a wide range of technologies, including: • Frontend: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Angular, React • Backend: Node.js, PHP, Laravel, .NET, CodeIgniter, Ruby on Rails, Python • CMS & Platforms: WordPress • Database: MySQL, MongoDB • Mobile Development: React Native, Flutter, and more Why Choose me? ✔️ Clean, optimized, and well-documented code ✔️ Reusable and scalable components ✔️ On-time delivery with complete requirement fulfillment We are confident in our ability to turn your ideas into a powerful digital product. Let’s discuss your project and make it a success. Looking forward to working with you! Best Regards, Md. Toriqul Islam

@Tanmoy236

Greetings! Soy un experto en Android con 9+ años de experiencia y puedo reconstruir tu aplicación a partir del APK, dejando un proyecto funcional y mantenible en Android Studio. Here's how I can help: • Descompilar el APK usando JADX, apktool y herramientas especializadas para maximizar la recuperación del código. • Reconstruir la estructura completa del proyecto (Gradle, recursos, manifest y dependencias). • Refactorizar y limpiar el código generado para que sea legible y mantenible. • Verificar el funcionamiento de llamadas, sensores, GPS y permisos críticos para mantener el comportamiento original. • Entregar el proyecto Android Studio junto con documentación clara de compilación y despliegue. Antes de comenzar, ¿el APK fue generado a partir de código propio y tienes los derechos sobre la aplicación? ¿La app fue desarrollada originalmente en Java, Kotlin o una tecnología híbrida como Flutter o React Native?

@alizain721

Perder el código fuente rara vez es solo un problema técnico: normalmente la mayor dificultad es reproducir una estructura mantenible y recuperar llamadas sensibles a permisos (llamadas, sensores, GPS) que a menudo quedan ofuscadas o divididas entre Java/Kotlin y código nativo. Si no se aborda esto desde el principio, el APK resultante compilará pero no replicará el comportamiento real en dispositivos. Mi enfoque práctico: descompilar con JADX y apktool, extraer recursos y el AndroidManifest, convertir/limpiar los .smali problemáticos, reconstruir un proyecto Android Studio con módulos y Gradle coherentes, refactorizar el código generado para legibilidad y restaurar las llamadas a APIs de teléfono/GPS tal como están. Pruebas iterativas en dispositivo garantizarán paridad funcional antes de firmar. Stack recomendado: JADX + apktool + dex2jar; smali/baksmali cuando haga falta; Android Studio con Gradle wrapper apuntando al SDK target apropiado (p. ej. 31–33). Si hay .so, usar NDK toolchain. Firma final con apksigner para coincidencia de comportamiento. Mantenimiento y flexibilidad: entregaré el proyecto en Git, con commits claros, scripts de build reproducibles y un manual de compilación/firmado. El código quedará refactorizado para facilitar futuras modificaciones y pruebas. Proyecto similar: en ReThinkology lideré integración nativa en Android (sensores, TTS y permisos), empaquetando módulos nativos dentro de Android Studio y documentando el build y despliegue; resultado probado en dispositivos reales. ¿El APK que me pasarás está firmado con la clave original y/o contiene librerías nativas (.so) u obfuscación (ProGuard/R8) que deba conocer antes de empezar? Si quieres, puedo comenzar en cuanto me envíes el APK.