Main Code

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#pragma mark 移开手动画
-(void)AnimationPasswordToUser{
    
    [UIView animateWithDuration:0.5f animations:^{
        
        self.left_look.frame = CGRectMake(self.left_look.frame.origin.x - 80, self.left_look.frame.origin.y, 40, 40);
        self.right_look.frame = CGRectMake(self.right_look.frame.origin.x + 40, self.right_look.frame.origin.y, 40, 40);
        
        self.right_hidden.frame = CGRectMake(self.right_hidden.frame.origin.x+55, self.right_hidden.frame.origin.y+40, 40, 66);
        self.left_hidden.frame = CGRectMake(self.left_hidden.frame.origin.x-60, self.left_hidden.frame.origin.y+40, 40, 66);
        
    } completion:^(BOOL finished) {
        
    }];

}

#pragma mark 捂眼
-(void)AnimationUserToPassword{
    [UIView animateWithDuration:0.5f animations:^{
        
        self.left_look.frame = CGRectMake(self.left_look.frame.origin.x + 80, self.left_look.frame.origin.y, 0, 0);
        self.right_look.frame = CGRectMake(self.right_look.frame.origin.x - 40, self.right_look.frame.origin.y, 0, 0);
        
        self.right_hidden.frame = CGRectMake(self.right_hidden.frame.origin.x-55, self.right_hidden.frame.origin.y-40, 40, 66);
        self.left_hidden.frame = CGRectMake(self.left_hidden.frame.origin.x+60, self.left_hidden.frame.origin.y-40, 40, 66);
        
    } completion:^(BOOL finished) {
        
    }];
}

完整代码:下载地址