November 2024
Intermediate to advanced
1256 pages
39h 14m
French
Content preview from Programmation iOS 14
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Chapitre 15. Audio
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iOS fournit diverses technologies qui permettent à ton appli de produire, d'enregistrer et de traiter le son. Le sujet est vaste, c'est pourquoi je me concentrerai sur les bases. Des suggestions pour une exploration plus approfondie figurent à la fin de ce chapitre.
Aucune des classes abordées dans ce chapitre ne fournit d'interface permettant à l'utilisateur d'arrêter et de démarrer la lecture d'un son - ce que l'on appelle aussi l'interface de transport. Si tu veux une interface de transport, voici quelques options :
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Tu peux créer ta propre interface.
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Tu peux associer les boutons de la "télécommande" intégrée à ton appli, comme je l'expliquerai dans ce chapitre.
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Une vue web(chapitre 12) prend en charge la balise HTML5
<audio>; il peut s'agir d'un moyen simple et léger de lire de l'audio et de permettre à l'utilisateur de contrôler la lecture (y compris l'utilisation d'AirPlay). -
Tu peux traiter le son comme un film et utiliser les classes d'interface dont je parlerai au chapitre 16; cela peut aussi être un bon moyen de jouer un fichier son situé à distance sur Internet.
Sons du système
La forme la plus simple de son est le son système, qui est l'équivalent iOS du "bip" de base d'un ordinateur. Il est mis en œuvre par les Services de sons du système, qui font partie de la boîte à outils audio ; tu devras import AudioToolbox ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.