[iOS] iOS App Programming Guide

iOS App Programming Guide
UIApplication Class Reference
UIDevice Class Reference

Delegates for enter foreground and background

Disable Lock Screen:
[UIApplication sharedApplication].idleTimerDisabled = NO;

[iOS] Notification

Notification Programming Topics
Local and Push Notification Programming Guide
Local Notification

iPhone Development 101

[iOS] AVFoundation Programming Guide

AVFoundation Programming Guide

[iOS] TableView refresh by pulling down

PullToRefresh
EGOTableViewPullRefresh

[iOS] UIActivityIndicatorView

MBProgressHUD
SVProgressHUD

[iOS] Download, Create and Display an image from URL

Download, Create and Display an image from URL
Download an image and Save it as PNG or JPEG in iPhone SDK

[iOS] Facebook

iOS Tutorial - Facebook Developers
Making Your iOS Apps Social - Facebook Developers
Facebook Query Language: FQL
iOS SDK Reference - Facebook
Facebook iOS SDK - download
How To Use Facebook's New Graph API from your iPhone App
Facebook: Graph API
Facebook: Graph API Explorer
Multi-app

Get Friends and Friends's group
Check Phone type
multi-queries

Publishing links to user's wall using Facebook's iOS SDK
Publishing images on Facebook iOS
Publishing Facebook new feeds in home