The iOS 5 Developer’s Cookbook: Core Concepts and Essential Recipes for iOS Programmers, Third Edition > Working with Images > Recipe: Retrieving Images from Asset URLs

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The iOS 5 Developer’s Cookbook: Core Concepts and Essential Recipes for iOS Programmers, Third Edition

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Praise for previous editions of The iPhone Developer’s Cookbook

Acknowledgments

About the Author

Preface

Editor’s Note: We Want to Hear from You!

Ch. 1. Introducing the iOS SDK

Ch. 2. Objective-C Boot Camp

Ch. 3. Building Your First Project

Ch. 4. Designing Interfaces

Ch. 5. Working with View Controllers

Ch. 6. Assembling Views and Animations

Ch. 7. Working with Images

Finding and Loading Images

Recipe: Accessing Photos from the iOS Photo Album

Recipe: Retrieving Images from Asset URLs

Recipe: Snapping Photos and Writing Them to the Photo Album

Saving Pictures to the Documents Folder

Recipe: E-mailing Pictures

Automating Camera Shots

Using a Custom Camera Overlay

Recipe: Accessing the AVFoundation Camera

Recipe: Adding a Core Image Filter

Recipe: Core Image Face Detection

Extracting Faces

Recipe: Working with Bitmap Representations

Recipe: Sampling a Live Feed

Recipe: Building Thumbnails from Images

Taking View-based Screenshots

Drawing into PDF Files

Creating New Images from Scratch

Recipe: Displaying Images in a Scrollable View

Summary

Ch. 8. Gestures and Touches

Ch. 9. Building and Using Controls

Ch. 10. Working with Text

Ch. 11. Creating and Managing Table Views

Ch. 12. A Taste of Core Data

Ch. 13. Alerting the User

Ch. 14. Device Capabilities

Ch. 15. Networking

Index

Recipe: Retrieving Images from Asset URLs

When image picker controllers retrieve images, they offer URLs that point to the selected image. A typical URL looks something like this:

Code View: Scroll / Show All

assets-library://asset/asset.JPG?id=553F6592-43C9-45A0-B851-28A726727436&ext=JPG

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Contents

Chapter 7. Working with Images > Recipe: Retrieving Images from Asset URLs

Recipe: Retrieving Images from Asset URLs