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Delphi Cookbook

Delphi Cookbook - Second Edition

By : Daniele Teti
4.7 (10)
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Delphi Cookbook

Delphi Cookbook

4.7 (10)
By: Daniele Teti

Overview of this book

Delphi is a cross-platform Integrated Development Environment (IDE) that supports rapid application development for Microsoft Windows, Apple Mac OS X, Google Android, and Apple iOS. It helps you to concentrate on the real business and save yourself the pain of wandering amid GUI widget details, or having to tackle inter-platform incompatibilities. It also has a wide range of drag-and-drop controls, helping you code your business logic into your business model, and it compiles natively for desktop and mobile platforms. This book will teach you how to design and develop applications, deploy them on the cloud platform, and distribute them within an organization via Google Play and other similar platforms. You will begin with the basics of Delphi and get acquainted with JSON format strings, XSLT transformations, unicode encodings and various types of streams. We then move on to more advanced topics such as developing higher-order functions and using enumerators and RTTI. You will get an understanding of how Delphi RTL functions and how to use FireMonkey in a VCL application. We will then cover topics such as multithreading, using the parallel programming library and putting Delphi on a server. We will also take a look at the new feature of WebBroker Apache modules and then ride the mobile revolution with FireMonkey. By the end of the book, you will be able to develop and deploy cross-platform applications using Delphi .
Table of Contents (10 chapters)
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9
Index

Sending Android Intents


One of the most useful things about Android development is the intents dispatching mechanism. As Google says: "An intent is an abstract description of an operation to be performed", and just to be clearer, continues saying, "An Intent provides a facility for performing late runtime binding between the code in different applications. Its most significant use is in the launching of activities, where it can be thought of as the glue between activities. It is basically a passive data structure holding an abstract description of an action to be performed." (http://developer.android.com/reference/android/content/Intent.html).

Intents are widely used in Android, and if you want to fully integrate your Delphi app with the Android OS, probably you have to deal with Intents. Delphi uses intents internally to deal with some fundamental Android services (TShareSheetAction, TTakePhotoFromCameraAction, and so on). In this recipe, we'll see how to directly use intents in our app...

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