iOS 4 Programming Cookbook > Working with Objects > Invoking the Selectors of an Object Dynamically

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iOS 4 Programming Cookbook

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Dedication

Preface

Ch. 1. Working with Objects

recipe 1.1. Introduction

recipe 1.2. Implementing and Using Custom Objects

recipe 1.3. Allocating and Initializing Objects

recipe 1.4. Defining Two or More Methods with the Same Name in an Object

recipe 1.5. Defining and Accessing Properties

recipe 1.6. Managing Properties Manually

recipe 1.7. Reusing a Block of Code

recipe 1.8. Communicating with Objects

recipe 1.9. Invoking the Selectors of an Object Dynamically

recipe 1.10. Managing Memory with the iOS SDK

recipe 1.11. Managing Untyped Objects

Ch. 2. Implementing Controllers and Views

Ch. 3. Constructing and Using Table Views

Ch. 4. Core Location and Maps

Ch. 5. Implementing Gesture Recognizers

Ch. 6. Networking and XML

Ch. 7. Operations, Threads, and Timers

Ch. 8. Audio and Video

Ch. 9. Address Book

Ch. 10. Camera and the Photo Library

recipe 1.9. Invoking the Selectors of an Object Dynamically

1.9.1. Problem

You want to be able to dynamically call any method in any object given the name of the method and its parameters.

1.9.2. Solution

Use the NSInvocation class, like so:

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Contents

Chapter 1. Working with Objects > Invoking the Selectors of an Object Dynamical...

recipe 1.9. Invoking the Selectors of an Object Dynamically

1.9.1. Problem

1.9.2. Solution