Delphi Cookbook - Second Edition

Delphi Cookbook - Second Edition

By : Daniele Teti

Buy this Book

Delphi Cookbook - Second Edition

By: Daniele Teti

Buy this Book

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 .

Delphi Cookbook Second Edition

Credits

About the Author

About the Reviewer

www.PacktPub.com

Preface

Free Chapter

Delphi Basics

Introduction

Changing your application look and feel with VCL styles and no code

Changing the style of your VCL application at runtime

Customizing TDBGrid

Using owner draw combos and listboxes

Making an owner draw control aware of the VCL styles

Creating a stack of embedded forms

Manipulating JSON

Manipulating and transforming XML documents

I/O in the 21st century – knowing the streams

Creating a Windows service

Associating a file extension with your application on Windows

Be coherent with the Windows look and feel using TTaskDialog

Becoming a Delphi Language Ninja

Introduction

Fun with anonymous methods – using higher-order functions

Writing enumerable types

RTTI to the rescue – configuring your class at runtime

Duck typing using RTTI

Creating helpers for your classes

Knowing Your Friends – the Delphi RTL

Introduction

Check strings with regular expressions

Consuming RESTful services using native HTTP(S) client libraries

Cope with the encoded Internet world using System.NetEncodings

Save space using System.Zip

Decouple your code using a cross-platform publish/subscribe mechanism

Going Cross-Platform with FireMonkey

Introduction

Giving a new appearance to the standard FireMonkey controls using styles

Creating a styled TListBox

Impressing your clients with animations

Using master/details with LiveBindings

Showing complex vector shapes using paths

Using FireMonkey in a VCL application

Reinventing your GUI also known as mastering Firemonkey controls, shapes, and effects

The Thousand Faces of Multithreading

Introduction

Synchronizing shared resources with TMonitor

Talking with the main thread using a thread-safe queue

Synchronizing multiple threads using TEvent

Displaying a measure on a 2D graph like an oscilloscope

Using tasks to make your customer happier

Monitoring things using futures

Parallelize using the parallel for

Putting Delphi on the Server

Introduction

Developing web client JavaScript applications with WebBroker on the server

Converting a console application to a Windows service

Serializing a dataset to JSON and back

Serializing objects to JSON and back using RTTI

Sending a POST HTTP request encoding parameters

Implementing a RESTful interface using WebBroker

Controlling remote application using UDP

Using app tethering to create a companion app

Creating DataSnap Apache modules

Creating WebBroker Apache modules

Using native HTTP(S) client libraries

Riding the Mobile Revolution with FireMonkey

Introduction

Taking a photo, applying effects, and sharing it

Using TListView to show and search local data

Using SQLite databases to handle a to-do list

Do not block the main thread!

Using a styled TListView to handle long lists of data

Customizing the TListView

Taking a photo and location and sending it to a server continuously

Talking with the backend

Making a phone call from your app!

Tracking the application's lifecycle

Using Specific Platform Features

Introduction

Using Android SDK Java classes

Using iOS Objective C SDK classes

Displaying PDF files in your app

Sending Android Intents

Letting your phone talk – using the Android TextToSpeech engine

Using Java classes in Android apps with Java2OP

Doing it in the background, the right way – Android services

Index

Customer Reviews

5 star

4 star

3 star

2 star

1 star

Customizing the TListView

As we have already said in the recipe, Using a styled TListView to handle long list of data, the TListView is the best control for handling long lists of data. We already know how to change the default style using the UpdateObjects event, however this approach lacks the Delphi RADness approach; no visual preview, no object inspector, no Visual LiveBindings, no live data. In this recipe we'll look at how to create a TListView style which can be installed in the Delphi IDE and used at design time in the object inspector and in the Visual LiveBindings designer.

Getting ready

TListView uses the Appearance Class to define how it looks at runtime. An Appearance Class is nothing more than a class derived from TAppearanceObjects (or one of its inherited classes). You can create and install a new customized appearance class and use it in your design, by installing a new package. This package defines the classes that implement a custom appearance for listview items. You can...

Delphi Cookbook - Second Edition

By : Daniele Teti

Delphi Cookbook - Second Edition

By: Daniele Teti

Overview of this book

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Delphi Cookbook - Second Edition

Customizing the TListView

Getting ready