By Ian F. Darwin
Jump in and construct operating Android apps with assistance from greater than 2 hundred proven recipes. With this cookbook, you’ll locate suggestions for operating with the person interfaces, multitouch gestures, place information, net providers, and machine positive factors similar to the telephone, digital camera, and accelerometer. you furthermore mght get worthy steps on packaging your app for the Android Market.
Ideal for builders acquainted with Java, Android fundamentals, and the Java SE API, this e-book gains recipes contributed by way of greater than 3 dozen builders from the Android neighborhood. each one recipe offers a transparent resolution and pattern code you should use on your venture immediately. between various issues, this cookbook is helping you:
* Use directions for designing a winning Android app
* paintings with UI controls, potent layouts, and graphical parts
* find out how to make the most of Android’s wealthy good points on your app
* store and retrieve software facts in records, SD playing cards, and embedded databases
* entry RESTful internet providers, RSS/Atom feeds, and knowledge from web pages
* Create location-aware prone to discover destinations and landmarks, and situate them on Google Maps and OpenStreetMap
* try and troubleshoot person parts and all of your software
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This is also true for DSLs. Let’s look at the price you have to pay to get all the benefits described above. 1 Effort of Building the DSLs Before a DSL can be used, it has to be built37 . If the DSL has to be developed as part of a project, the effort of building it has to be factored into the overall cost-benefit analysis. g. a large class of web or mobile applications can be described with the same DSL), so here the investment is easily justified. g. pension plan specifications) are often very narrow in focus, so the investment in building them is harder to justify at first glance.
55 UML can be seen as an integrated collection of DSLs that describe various aspects of software systems: class structure, state based behavior, or deployment. However, these DSLs still address the overall domain of software. 56 It is interesting to see that even these sectors increasingly embrace DSLs. I know of several projects in the aerospace/defense sector where UML-based modeling approaches were replaced with very specific and much more productive DSLs. It is also interesting to see how sectors define their own standard languages.
56 It is interesting to see that even these sectors increasingly embrace DSLs. I know of several projects in the aerospace/defense sector where UML-based modeling approaches were replaced with very specific and much more productive DSLs. It is also interesting to see how sectors define their own standard languages. While I hesitate to call it a DSL, the automotive industry is in the process of standardizing on AUTOSAR and its modeling languages. Graphical versus Textual This is something of a religious war, akin to the statically-typed versus dynamically-typed languages debate.