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CoreData

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History, theory, concepts and examples on how to use Apple's CoreData framework. Slides for the MIMO Masters 2014 edition.

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CoreData

  1. 1. CoreData Historia, Conceptos, Ejemplos, etc…
  2. 2. Antes de empezar... • Nombre • ¿A qué te dedicas? • ¿Por qué MIMO? • ¿Qué experiencia tienes como programador? • ¿Y de aplicaciones/videojuegos móviles (smartphones)?
  3. 3. Metodología
  4. 4. Metodología
  5. 5. Metodología
  6. 6. Metodología
  7. 7. Sobre las dudas...
  8. 8. Conceptos previos • Entidad • Relación • Atributo • SQL Select • Indices
  9. 9. Programador Antes… Archives Filesystem SQLite Programador Ahora… Archives Filesystem SQLite CoreData
  10. 10. Conceptos • Persistent store -> Almacenamiento físico • Persistent store coordinator -> Encapsula el acceso al Persistent store • Managed Object Model (MOM) -> Schema • Managed Object -> Entidad,Tabla • Managed Object Context (MOC) -> Contexto de ejecución.Transacción.
  11. 11. Requisitos Se desea crear una aplicación iOS Agenda. La agenda deberá almacenar nombre, apellidos, dirección y dni de cada contacto además de diversa información de contacto.
  12. 12. Diseño del modelo
  13. 13. Diseño del modelo
  14. 14. DEMO
  15. 15. ¡Manos a la obra! 2. Crear menu principal 1. Crear el proyecto
  16. 16. ModelHelper Utilidades
  17. 17. Planificación
  18. 18. Contacto 3.Añadir atributos 2. Crear y nombrar la entidad 1.Abrir .xcdatamodeld
  19. 19. Contacto 3. Generar clases CoreData • File -> New File • Check DataModel • Check Entity
  20. 20. Contacto @dynamic?? Contact.m
  21. 21. Agenda Formulario y detalles
  22. 22. Contacto Instanciado y guardado
  23. 23. Agenda Listado y detalles
  24. 24. Contacto Lectura de datos
  25. 25. Agenda Búsqueda, resultados y detalles
  26. 26. Contacto Búsquedas, consultas
  27. 27. Contacto Borrado
  28. 28. Contacto Validaciones Built-in Custom
  29. 29. Contacto Validaciones Built-in Custom ¿Por qué?
  30. 30. Contacto Manejo de errores: Creación y mostrado
  31. 31. Planificación
  32. 32. Agenda Información de contacto
  33. 33. • Abrir .xcdatamodeld • Crear y nombrar la nueva entidad • Añadir atributos y restricciones • Generar clases CoreData ContactInfo
  34. 34. • Abrir .xcdatamodeld • Crear y nombrar la nueva entidad • Añadir atributos y restricciones • Generar clases CoreData ContactInfo
  35. 35. Planificación
  36. 36. Relaciones • One-to-one • One-to-many • Many-to-many
  37. 37. Relaciones Contact => ContactInfo
  38. 38. Relaciones Inversa
  39. 39. Relaciones Inversa ¡Regenerar!
  40. 40. Relaciones Contact.h
  41. 41. Agenda.app
  42. 42. Carlos Alonso Pérez Developer Twitter: @calonso LinkedIn: mrcalonso Mail: info@mrcalonso.com ¡Gracias!

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