November 2013
Intermediate to advanced
576 pages
19h 3m
English
One detail that can really distinguish receipt of your push notification is a custom sound. iOS will play any sound less than 30 seconds in length that you specify if it is available in your app bundle. You can create a custom sound in GarageBand and export the sound. It is worth exporting under each of the compression options to see what sounds good while meeting your size requirements (see Figure 9.18).
Figure 9.18 GarageBand: export song settings.
Now that you have a sound file, it will need to be converted to Core Audio format in order for your app to use it. Apple provides a command-line tool called afconvert that ...
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