[BMKGradient generateColorMap:resultColorMap:]: unrecognized selector sent to instance 0x7fae64f32260
如题，这么恶心的一个问题，找了好久，百度上也找不到相关答案，最后还是问Google问出来的！
解决方案是在Build Settings–Linking–[Other Linker Flags]中添加一个“-ObjC”,即可搞定！
附加百度添加热力图的demo方法：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | BMKHeatMap* heatMap = [[BMKHeatMap alloc] init]; NSMutableArray* data = [NSMutableArray array]; int num = 1000; for(int i = 0; i<num; i++) { ????//创建BMKHeatMapNode ????BMKHeatMapNode* heapmapnode_test = [[BMKHeatMapNode alloc] init]; ????//此处示例为随机生成的坐标点序列，开发者使用自有数据即可 ????CLLocationCoordinate2D coor; ????float random = (arc4random()%1000)*0.001; ????float random2 = (arc4random()%1000)*0.003; ????float random3 = (arc4random()%1000)*0.015; ????float random4 = (arc4random()%1000)*0.016; ????if(i%2==0){ ????????coor.latitude = 39.915+random; ????????coor.longitude = 116.403+random2; ????}else{ ????????coor.latitude = 39.915-random3; ????????coor.longitude = 116.403-random4; ????} ????heapmapnode_test.pt = coor; ????//随机生成点强度 ????heapmapnode_test.intensity = arc4random()*900; ????//添加BMKHeatMapNode到数组 ????[data addObject:heapmapnode_test]; } //将点数据赋值到热力图数据类 heatMap.mData = data; //调用mapView中的方法根据热力图数据添加热力图 [self.mapView addHeatMap:heatMap]; |