Android - Programación de dispositivos móviles a través de by José Enrique Amaro Soriano

By José Enrique Amaro Soriano

Android es el sistema operativo de Google para smartphones, pills, y otros dispositivos móviles. En este libro se presentan, de una forma práctica, comprensible y concisa, los conceptos esenciales para desarrollar sus propias aplicaciones de Android, programando en lenguaje Java. El lector aprenderá a programar interfaces de usuario, entrada y salida de datos, lectura y escritura de ficheros, herramientas gráficas, gráficos interactivos, visualización de imágenes, reproducción de sonido, temas, recursos, procesos en historical past, diálogos de progreso, notificaciones, animaciones gráficas y simulaciones. Se incluye un apéndice Elementos de Java para el lector que no conozca el lenguaje de programación Java. Para lectores más avanzados, el libro se complementa con otro apéndice donde se introduce una completa aplicación científica para Android.
Todos los conceptos se introducen con ejemplos que consisten en programas sencillos ilustrando algún aspecto concreto de Android o de Java. Todos los ejemplos se acompañan con capturas de pantalla.
Este libro está dirigido a estudiantes, profesores y en basic al principiante con escasos o nulos conocimientos de Java que quiere escribir rápidamente sus propios programas. También al profesional que quiere iniciarse de forma rápida en el desarrollo de aplicaciones para Android.
José Enrique Amaro Sorinano es healthcare professional en Ciencias Físicas y Profesor Titular de los angeles Universidad de Granada. Desarrolla su docencia e investigación en el departamento de Física Atómica, Molecular y Nuclear. Es investigador responsable del Grupo de Física Nuclear a Energías Intermedias y miembro del Instituto Carlos I de Física Teórica y Computacional. Actualmente imparte un curso de Programación de Android para Científicos en l. a. Escuela de Posgrado de l. a. Universidad de Granada.

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99, but that’s not really for sure. Ken: Share some perspectives on how best to price an app. More specifically, how did you determine the price for Digital Post? Mike: The economics and business of the App Store interest me more than anything. Because the iPad was brand-new, no one really knew what the prices for apps would be like, so it was an exercise in game theory—your app’s price is partially based on everyone else’s price—and you don’t want to look too expensive or too cheap. OmniGroup gambled the most and put Interviews 43 INTERVIEW out a $50 app, which seemed to raise a few eyebrows, whereas the big media companies had some great apps available for free.

Two examples of this approach include the popular Twitter client Tweetie (now owned by Twitter and renamed Twitter for iPhone) and a puzzle game called Enigmo. 3 Enigmo pursued a slightly less controversial path, which was to think about the next version as a true sequel; both Enigmo and Enigmo 2 are still available on the App Store. It is worth reiterating that the Tweetie case is bold. Removing the original version of the app from the store meant the app name could not be reused (as defined by Apple) and the ratings and reviews for the app would not transfer.

Krishna: When the App Store first launched, developers were only able to release paid apps and free apps. In other words, they had two distinct audiences that they could market to. Free apps typically drive the widest audience for developers and guarantee them revenue through advertising. ). Most of the time, developers would first focus on maximizing the number of downloads of their free apps, and then try to drive those users to download the paid version of the app. Interviews 47 INTERVIEW As of late, we are seeing more traction in the In App Purchase model across free apps, largely because this model offers quicker and increased revenues via in-app incentives.

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