视图左右抖动动画

CABasicAnimation *shake = [CABasicAnimation animationWithKeyPath:@"transform.translation.x"];

shake.fromValue = [NSNumber numberWithFloat:-5];

shake.toValue = [NSNumber numberWithFloat:5];

//执行时间

shake.duration = 0.1;

//是否重复

shake.autoreverses = YES;

//次数

shake.repeatCount = 2;

[self.label.layer addAnimation:shake forKey:@"shakeAnimation"];

self.label.alpha = 1.0;

[UIView animateWithDuration:2.0 delay:0.0 options:UIViewAnimationOptionCurveEaseIn | UIViewAnimationOptionAllowUserInteraction animations:^{

//self.label.alpha = 0.0; //透明度变0则消失

} completion:nil];