Description: iPhone to play a sound program, it very difficult to find that, I studied for a long time, we can learn from the next.
File list (Check if you may need any files):
HelloSound
..........\Default.png
..........\HelloSound
..........\HelloSound.app
..........\..............\Default.png
..........\..............\HelloSound
..........\..............\icon.png
..........\..............\Info.plist
..........\HelloSound.h
..........\HelloSound.m
..........\HelloSound.o
..........\icon.png
..........\Info.plist
..........\Makefile