iOS基於百度地圖的開發(4)——路徑搜尋

本文通過起始點左邊和終點座標來說明介面的使用方法。

1. 進行路徑搜尋

BMKSearch* search = [[BMKSearch alloc] init]; //建立搜尋對象,注意不要釋放該對象search.delegate = self; //設定路徑搜尋結果回調代理為自身BMKPlanNode* currentNode = [[BMKPlanNode alloc] init]; currentNode.pt = theMapView.userLocation.coordinate;currentNode.name = @"aaa"; //注意，這裡不可為空@""BMKPlanNode* poiNode = [[BMKPlanNode alloc] init];poiNode.pt = vehicleLocation.coordinate;poiNode.name = @"bbb";//注意，這裡不可為空@""[search drivingRouteSearch:nil startNode:currentNode endCity:nil endNode:poiNode];//僅以搜尋行車路線為例

2. 通過路線搜尋結果回調來處理路線

- (void)onGetDrivingRouteResult:(BMKPlanResult*)result errorCode:(int)error{    if (error == BMKErrorOk)     {BMKRoutePlan* plan = (BMKRoutePlan*)[result.plans objectAtIndex:0];        BMKRoute* route = [plan.routes objectAtIndex:0];        BMKMapPoint* points = malloc(sizeof(CLLocationCoordinate2D) * route.steps.count);                for (int i = 0; i < route.steps.count; ++i)         {            BMKStep* step = [route.steps objectAtIndex:i];            BMKMapPoint point = BMKMapPointForCoordinate(step.pt); //注意這裡的處理方法            points[i] = point;        }                [mapView removeOverlays:[mapView overlays]];        BMKPolyline* polyLine = [BMKPolyline polylineWithPoints:points count:route.steps.count];        free(points);        [mapView addOverlay:polyLine];    }}

3. 在處理路徑回調中處理路徑的顯示

- (BMKOverlayView *)mapView:(BMKMapView *)mapView viewForOverlay:(id <BMKOverlay>)overlay{    BMKOverlayView *result = [[[BMKPolylineView alloc] initWithPolyline:overlay] autorelease];    result.strokeColor = [UIColor blueColor];    result.lineWidth = 4.0;    result.lineJoin = kCGLineJoinRound;    result.lineCap = kCGLineCapRound;    return result;}

iOS基於百度地圖的開發(1)——使用者當前位置

iOS基於百度地圖的開發(2)——擷取POI

iOS基於百度地圖的開發(3)——地址搜尋

iOS基於百度地圖的開發(4)——路徑搜尋

iOS基於百度地圖的開發(5)——核心問題匯總

iOS基於百度地圖的開發(6)——google座標轉換成百度座標

iOS基於百度地圖的開發(7)——百度座標轉換成Google座標