ios View 向上拉界面源码

如下的资料是关于ios View 向上拉界面的代码。
#pragma mark - 上升效果
- (void)ToUpSide {
     
     
}
 
- (void)moveToUpSide {
                         rView.frame = CGRectMake(self.window.frame.origin.x,
                                                  -self.window.frame.size.height,
                                                  self.window.frame.size.width,
                                                  self.window.frame.size.height);
                     }
                     completion:^(BOOL finished){
                     }];
     
}