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摇一摇
#import <AudioToolbox/AudioToolbox.h>
<style>p.p1 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px Menlo } p.p2 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px Menlo; color: #3d1d81 } p.p3 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px Menlo; color: #1d9421 } p.p4 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px Menlo; min-height: 21.0px } p.p5 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px "PingFang SC"; color: #1d9421 } span.s1 { } span.s2 { color: #c32275 } span.s3 { color: #000000 } span.s4 { font: 18.0px "PingFang SC" } span.s5 { font: 18.0px Menlo; color: #000000 } span.s6 { font: 18.0px Menlo } span.s7 { color: #703daa } span.s8 { color: #6122ae } span.s9 { color: #c91b13 } span.s10 { color: #3d1d81 } span.s11 { font: 18.0px "PingFang SC"; color: #c91b13 }</style>
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
// 在iOS中,音频包括短效音频和音乐, 短效音频的实现用的是系统的AudioToolBox, 音乐播放使用的是AVFoundation框架
// 短效音频: 播放过程不可控, 长度不超过30秒
// 定义一个系统声音id
SystemSoundID soundId;
// 设置播放短效音频的资源
AudioServicesCreateSystemSoundID((__bridge CFURLRef _Nonnull)([[NSBundle mainBundle] URLForResource:@"shake" withExtension:@"wav"]), &soundId);
// 设置震动的效果, 需要真机
// AudioServicesPlayAlertSound(kSystemSoundID_Vibrate);
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
// 播放短效音频
AudioServicesPlaySystemSound(soundId);
//很简单,你只需要让这个Controller本身支持摇动 //同时让他成为第一相应者:
[[UIApplicationsharedApplication] setApplicationSupportsShakeToEdit:YES]; [selfbecomeFirstResponder];
}
// 摇一摇 依赖于重力感应原理
- (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event {
// 定义一个系统声音id
SystemSoundID soundId;
// 设置播放短效音频的资源
AudioServicesCreateSystemSoundID((__bridge CFURLRef _Nonnull)([[NSBundle mainBundle] URLForResource:@"shake" withExtension:@"wav"]), &soundId);
// 设置震动的效果, 需要真机
// AudioServicesPlayAlertSound(kSystemSoundID_Vibrate);
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
// 播放短效音频
AudioServicesPlaySystemSound(soundId);
NSLog(@"摇动开始");
}
- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event {
NSLog(@"摇动结束");
}
- (void)motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event {
NSLog(@"摇动取消");
}
摇一摇