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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
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Sans maîtrise de Retrofit pour intégrer les API REST dans vos apps Android, 40% du temps de développement est perdu en debugging d'erreurs réseau récurrentes, multipliant les retards de livraison par 3.
Chaque incident d'API mal géré cause en moyenne 20% de crashs utilisateurs, entraînant une chute de 30% des téléchargements et des pertes de revenus estimées à 15 000 € par trimestre pour une app standard.
Les entreprises stagnent face à la concurrence, avec 65% des échecs de projets mobiles liés à des intégrations défaillantes, menaçant directement la pérennité des équipes et la carrière des développeurs.
Chaque semaine sans expertise Retrofit amplifie ces risques, transformant des opportunités en catastrophes coûteuses.
The Maîtriser Retrofit : Exploitez la puissance des API REST pour Android training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Maîtriser Retrofit : Exploitez la puissance des API REST pour Android training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Maîtriser Retrofit : Exploitez la puissance des API REST pour Android training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Présentation de Retrofit, installation via Gradle, premières configurations, architecture REST, aperçu des annotations utiles, implémentation de votre première interface API, structuration du code.
Réalisation de requêtes GET/POST/PUT/DELETE, utilisation de Gson et Moshi pour le parsing JSON, structures de réponses, gestion des erreurs réseau et HTTP, introduction à CallAdapter et interception, présentation des LiveData ou Coroutines.
Sécurisation des requêtes (OAuth/JWT), gestion des headers et des tokens, requêtes avancées (multi-part, upload files), pagination, interceptors personnalisés, logging, optimisation, patterns de code robustes, maintien et test des intégrations API dans un projet réel.
8 participants max.
$2,420 / per person
2 days
distancielTarget audience
Développeurs Android souhaitant intégrer des API REST dans leurs applications avec Retrofit
Prerequisites
Connaissance de base du développement Android et du langage Java ou Kotlin
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Expert
€4,200.004 journées
distanciel10 pers. max.Avancée€5,250.005 journéesdistanciel10 pers. max.Novice€2,100.002 journéesdistanciel10 pers. max.Expert€4,200.004 journéesdistanciel10 pers. max.
