iOS 摇一摇的功能

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#import "ShakeViewController.h"#import <AudioToolbox/AudioToolbox.h>#import <AVFoundation/AVFoundation.h>#define kScreenWidth  [UIScreen mainScreen].bounds.size.width#define kScreenHeight [UIScreen mainScreen].bounds.size.height@interface ShakeViewController ()@property (nonatomic,strong)UIImageView *topImgView;@property (nonatomic,strong)UIImageView *botImgView;@property (nonatomic) SystemSoundID  soundID;@end@implementation ShakeViewController- (void)viewDidLoad {    [super viewDidLoad];            [UIApplication sharedApplication].applicationSupportsShakeToEdit = YES;    [self becomeFirstResponder];    self.view.backgroundColor = [UIColor colorWithRed:245/255.0                                                green:245/255.0                                                 blue:245/255.0                                                alpha:1.0];        [self inintImageView];    [self initSoudID];}//初始化振动的图片- (void)inintImageView{    //中间线位置    CGFloat y = 64+(kScreenHeight-64)/2;    //图片的比例  宽/高    CGFloat scale = 208/320.0;        _topImgView = [[UIImageView alloc]initWithFrame:CGRectMake(0, y-(kScreenWidth*scale), kScreenWidth, kScreenWidth*scale)];    _topImgView.image = [UIImage imageNamed:@"Shake_01"];    [self.view addSubview:_topImgView];        _botImgView = [[UIImageView alloc]initWithFrame:CGRectMake(0, y, kScreenWidth, kScreenWidth*scale)];    _botImgView.image = [UIImage imageNamed:@"Shake_02"];    [self.view addSubview:_botImgView];}//对soundID进行赋值- (void)initSoudID{    NSString *path = [[NSBundle mainBundle] pathForResource:@"shake_sound_male" ofType:@"wav"];    AudioServicesCreateSystemSoundID((__bridge CFURLRef)[NSURL fileURLWithPath:path], &_soundID);}/*************************** 振动检测 ******************************/-(void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event{    //播放    AudioServicesPlaySystemSound (_soundID);    CGFloat y_top = _topImgView.frame.origin.y;    CGFloat y_bot = _botImgView.frame.origin.y;    [UIView animateWithDuration:0.3 animations:^{                _topImgView.frame = CGRectMake(0, y_top-50, _topImgView.frame.size.width, _topImgView.frame.size.height);        _botImgView.frame = CGRectMake(0, y_bot+50, _botImgView.frame.size.width, _botImgView.frame.size.height);            } completion:^(BOOL finished) {                [UIView animateWithDuration:0.3 animations:^{                        _topImgView.frame = CGRectMake(0, y_top, _topImgView.frame.size.width, _topImgView.frame.size.height);            _botImgView.frame = CGRectMake(0, y_bot, _botImgView.frame.size.width, _botImgView.frame.size.height);                    } completion:^(BOOL finished) {                    }];            }];}-(void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event{    [self performSelector:@selector(vibrate) withObject:nil afterDelay:0.6];}-(void)vibrate{    //振动    AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);}@end
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