iOS開發之引用百度地圖SDK（一）-----------SDK開發指南

(void)viewWillAppear:(BOOL)animated { [_mapView viewWillAppear]; _mapView.delegate = self; // 此處記得不用的時候需要置nil，否則影響內存的釋放 } -(void)viewWillDisappear:(BOOL)animated { [_mapView viewWillDisappear]; _mapVi

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