ios-hardware sound, vibration, prompt warning

In order to cause the user to notice the warning, often accompanied by sound vibration and so on. The system Sound service provides an interface for playing a sound file that does not exceed 30 seconds, and the format he supports is caf,aif,wav.

iOS uses this API to support 3 different notifications:

Sound: Play a simple sound file immediately, if the phone is muted, the user can hear nothing.

Reminder: Play a sound file, if the phone is set to mute or vibrate, the user will be alerted by vibration

Vibration: Vibrate the phone without considering other settings

First import the framework: Audiotoolbox, an excuse file for importing the framework into a file: #import <AudioToolbox/AudioToolbox.h>

Add three buttons to the Xib file to achieve the above three functions respectively. Put a sound file in a WAV format

Voice

Warning

Vibration

ios-hardware sound, vibration, prompt warning