シンプルにUIViewのanimationWithDurationで UIView *AnimateTargetView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 50, 50)]; [UIView animateWithDuration:1.5f animations:^{ [AnimateTargetView setFrame:CGRectMake(20, 20 , 100 , 100)]; }];

Tornadoでヘッダーを弄ってattachmentでダウンロードさせる self.set_header("Content-Type", "application/octet-stream") self.set_header("Content-Disposition", "attachment; filename=file.jpg")ヘッダをセットしたのでファイルをwrite self.write(dow…