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kavi
V2EX  ›  iDev

请教 MKMapView 旋转的问题

  •  
  •   kavi · Jul 31, 2014 · 4231 views
    This topic created in 4312 days ago, the information mentioned may be changed or developed.
    需要做成类似 MKUserTrackingModeFollowWithHeading 的样子,但是不需要跟踪 user 的 coordinate,只需要 mapView 随着用户的 heading 改变而旋转。

    我的方法是

    - (void)locationManager:(CLLocationManager *)manager didUpdateHeading:(CLHeading *)newHeading
    {
    self.mapView.camera.heading = newHeading.trueHeading;
    }

    但是遇到一个问题,就是如果一边转动一边放大地图时,会遇到一卡一卡的情况,我查了 stackoverflow, 似乎没有解决方法。

    请教各位大神,这是什么问题,需要如何解决?
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