利用陀螺仪实现更真实的微信摇一摇动画

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

- ( BOOL )application:( UIApplication *)application didFinishLaunchingWithOptions :( NSDictionary *)launchOptions { //想摇你的手机嘛？就写在这，然后，然后，没有然后了 application .applicationSupportsShakeToEdit = YES ; } -( void )motionEnded:(UIEventSubtype)motion withEvent :( UIEvent *)event { if (motion==UIEventSubtypeMotionShake) { // 真实一点的摇动动画 [ self addAnimations ]; // 播放声音 AudioServicesPlaySystemSound (soundID); } } - ( void )addAnimations { CABasicAnimation *translation = [ CABasicAnimation animationWithKeyPath : @"transform" ]; translation .timingFunction = [ CAMediaTimingFunction functionWithName :kCAMediaTimingFunctionEaseInEaseOut]; translation .toValue =[ NSValue valueWithCATransform3D :CATransform 3 DMakeRotation(- M_PI_4 , 0 , 0 , 1 0 0 )]; translation .duration = 0 .2 ; translation .repeatCount = 2 ; translation .autoreverses = YES ; [shake .layer addAnimation :translation forKey : @"translation" ]; }