iOS实现百度地图拖拽后更新位置以及反编码

#import "FTBasicController.h"typedef void (^SelectBlock) (NSString *address,CLLocationCoordinate2D select);@interface FTUploadAddressController : FTBasicController@property(nonatomic, copy)SelectBlock selectBlock;@end#import "FTUploadAddressController.h"#import "FTBMKPoiInfo.h"#import "FTPoiCell.h"@interface FTUploadAddressController ()@property(nonatomic,strong)BMKLocationService *locService;@property(nonatomic,strong)BMKUserLocation *userLocation;@property(nonatomic,strong)BMKMapView *mapView;@property(nonatomic,strong)UITableView *tableview;@property(nonatomic,strong)BMKGeoCodeSearch *geocodesearch;@property(nonatomic,strong)UIImageView *loactionView;@property(nonatomic,strong)NSMutableArray *dataA;@property(nonatomic,strong)LxButton *poiBackBtn;@property(nonatomic,assign)CLLocationCoordinate2D selectedCoordinate;@property(nonatomic,strong)NSString *selectAddress;@end@implementation FTUploadAddressController-(void)viewWillAppear:(BOOL)animated{ [super viewWillAppear:animated]; self.fd_interactivePopDisabled = YES; if (!([CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorizedAlways || [CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorizedWhenInUse) &&[CLLocationManager authorizationStatus] != kCLAuthorizationStatusNotDetermined){  [self judgeOpenlocation]; }else{  [_mapView viewWillAppear];  _mapView.delegate = self; // 此处记得不用的时候需要置nil，否则影响内存的释放  _locService.delegate = self;   _geocodesearch.delegate = self; // 此处记得不用的时候需要置nil，否则影响内存的释放  _mapView.showsUserLocation = NO;//先关闭显示的定位图层  _mapView.userTrackingMode = 0;  _mapView.showsUserLocation = YES;//显示定位图层  [self.locService startUserLocationService]; }}-(void)judgeOpenlocation{ UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:@"打开[定位服务]来允许[应用名字]确定您的位置" message:@"请在系统设置中开启定位服务(设置>隐私>定位服务>应用名字>始终)" preferredStyle:UIAlertControllerStyleAlert]; [alertVC addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil]]; [alertVC addAction:[UIAlertAction actionWithTitle:@"去设置" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {  if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 10.000000) {   //跳转到定位权限页面   NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];   if( [[UIApplication sharedApplication]canOpenURL:url] ) {    [[UIApplication sharedApplication] openURL:url];   }  }else {   //跳转到定位开关界面   NSURL *url = [NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"];   if( [[UIApplication sharedApplication]canOpenURL:url] ) {    [[UIApplication sharedApplication] openURL:url];   }  } }]]; [self presentViewController:alertVC animated:YES completion:nil];}-(void)viewWillDisappear:(BOOL)animated{  self.fd_interactivePopDisabled = NO; [_mapView viewWillDisappear]; _mapView.delegate = nil; // 不用时，置nil [self.locService stopUserLocationService];  _geocodesearch.delegate = nil; // 不用时，置nil _locService.delegate = nil;}- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. self.title = @"所在位置";  self.locService = [[BMKLocationService alloc]init]; self.geocodesearch = [[BMKGeoCodeSearch alloc]init];  [self setup];  self.navigationItem.leftBarButtonItem =[[UIBarButtonItem alloc]initWithImage:[[UIImage imageNamed:@"return"]imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal] style:UIBarButtonItemStylePlain target:self action:@selector(backReturn)];}-(void)backReturn{ if (self.selectBlock) {  self.selectBlock(self.selectAddress, self.selectedCoordinate);  [self.navigationController popViewControllerAnimated:YES]; }}-(void)setup{  [self.view addSubview:self.mapView]; [self.view addSubview:self.tableview]; [self.mapView addSubview:self.loactionView]; [self.mapView addSubview:self.poiBackBtn];  [self.poiBackBtn LX_SetShadowPathWith:[UIColor grayColor] shadowOpacity:0.5 shadowRadius:5 shadowSide:LXShadowPathBottom shadowPathWidth:3]; FTWS(weakSelf); [self.poiBackBtn addClickBlock:^(UIButton *button) {   [weakSelf.mapView setCenterCoordinate:weakSelf.userLocation.location.coordinate]; }];}- (void)didUpdateBMKUserLocation:(BMKUserLocation *)userLocation{ //  NSLog(@"didUpdateUserLocation lat %f,long %f",userLocation.location.coordinate.latitude,userLocation.location.coordinate.longitude); [_mapView updateLocationData:userLocation]; self.userLocation = userLocation; [self.mapView setCenterCoordinate:userLocation.location.coordinate]; BMKReverseGeoCodeOption * option = [[BMKReverseGeoCodeOption alloc]init]; option.reverseGeoPoint = userLocation.location.coordinate; BOOL flag = [_geocodesearch reverseGeoCode:option]; if (flag) {  } //更新位置之后必须停止定位， [_locService stopUserLocationService];}-(void)mapView:(BMKMapView *)mapView regionDidChangeAnimated:(BOOL)animated{ NSLog(@"地图拖动"); [UIView animateWithDuration:0.30 animations:^{  self.loactionView.centerY -=8; } completion:^(BOOL finished) {  self.loactionView.centerY +=8; }]; CGPoint touchPoint = self.mapView.center; CLLocationCoordinate2D touchMapCoordinate = [self.mapView convertPoint:touchPoint toCoordinateFromView:self.mapView];//这里touchMapCoordinate就是该点的经纬度了 NSLog(@"touching %f,%f",touchMapCoordinate.latitude,touchMapCoordinate.longitude); //选择的上传地址 self.selectedCoordinate = touchMapCoordinate; BMKReverseGeoCodeOption * option = [[BMKReverseGeoCodeOption alloc]init]; option.reverseGeoPoint = touchMapCoordinate; BOOL flag = [_geocodesearch reverseGeoCode:option]; if (flag) {  }}#pragma mark---获取反编码的数据----(void)onGetReverseGeoCodeResult:(BMKGeoCodeSearch *)searcher result:(BMKReverseGeoCodeResult *)result errorCode:(BMKSearchErrorCode)error{  BMKAddressComponent *component=[[BMKAddressComponent alloc]init];  component=result.addressDetail; [self.dataA removeAllObjects]; for (int i =0; i< result.poiList.count; i++) {  BMKPoiInfo *info = result.poiList[i];  FTBMKPoiInfo *ftInfo =[[FTBMKPoiInfo alloc]init];  ftInfo.address = info.address;  ftInfo.seleced = NO;  if (i == 0) {   ftInfo.seleced = YES;   self.selectAddress = ftInfo.address;  }  [self.dataA addObject:ftInfo]; } [self.tableview reloadData];}#pragma mark--- 定位的方法--- (void)didUpdateUserHeading:(BMKUserLocation *)userLocation{ [_mapView updateLocationData:userLocation]; // NSLog(@"heading is %@",userLocation.heading);}-(BMKMapView *)mapView{ if (!_mapView) {  _mapView =[[BMKMapView alloc]initWithFrame:CGRectMake(0, NAVH, Device_Width, 350)];  _mapView.zoomLevel = 18;  _mapView.minZoomLevel = 3;  _mapView.maxZoomLevel = 21;//  BMKLocationViewDisplayParam *displayParam = [[BMKLocationViewDisplayParam alloc]init];//  displayParam.isRotateAngleValid = true;//跟随态旋转角度是否生效//  displayParam.isAccuracyCircleShow = false;//精度圈是否显示//  displayParam.locationViewOffsetX = 0;//定位偏移量(经度)//  displayParam.locationViewOffsetY = 0;//定位偏移量（纬度）//  [_mapView updateLocationViewWithParam:displayParam];  } return _mapView;}-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ return self.dataA.count;}-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ FTPoiCell *cell =[tableView dequeueReusableCellWithIdentifier:@"cell" forIndexPath:indexPath]; if (!cell) {  cell =[[FTPoiCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"cell"]; } FTBMKPoiInfo *info = self.dataA[indexPath.row]; cell.info = info; return cell;}-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{ [tableView deselectRowAtIndexPath:indexPath animated:YES]; FTBMKPoiInfo *info = self.dataA[indexPath.row]; self.selectAddress = info.address; [self.dataA enumerateObjectsUsingBlock:^(FTBMKPoiInfo * obj, NSUInteger idx, BOOL * _Nonnull stop) {  if (obj == info) {   obj.seleced = YES;  }else{   obj.seleced = NO;  }  [self.tableview reloadData]; }]; if (self.selectBlock) {  self.selectBlock(self.selectAddress,self.selectedCoordinate);    [self.navigationController popViewControllerAnimated:YES]; } }-(UITableView *)tableview{  if (!_tableview) {  _tableview =[[UITableView alloc]initWithFrame:CGRectMake(0, self.mapView.bottom, Device_Width, Device_Height - self.mapView.bottom) style:UITableViewStylePlain];  _tableview.delegate = self;  _tableview.dataSource = self;  _tableview.showsVerticalScrollIndicator = NO;  _tableview.showsHorizontalScrollIndicator = NO;  _tableview.tableFooterView = [UIView new];  _tableview.rowHeight = 44;  [_tableview registerNib:[UINib nibWithNibName:@"FTPoiCell" bundle:nil] forCellReuseIdentifier:@"cell"];//  [_tableview registerClass:[UITableViewCell class] forCellReuseIdentifier:@"cell"];    } return _tableview;}-(NSMutableArray *)dataA{ if (!_dataA) {  _dataA =[NSMutableArray array]; } return _dataA;}-(UIImageView *)loactionView{ if (!_loactionView) {  _loactionView =[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"ditu_red"]];  _loactionView.center = CGPointMake(self.mapView.width/2, self.mapView.height/2);   } return _loactionView;}-(LxButton *)poiBackBtn{ if (!_poiBackBtn) {  _poiBackBtn =[LxButton LXButtonWithTitle:nil titleFont:nil Image:nil backgroundImage:nil backgroundColor:[UIColor whiteColor] titleColor:nil frame:CGRectMake(Device_Width - 75, self.mapView.height - 75, 50, 50)];  [_poiBackBtn setFTCornerdious:25];  UIImageView *imageView =[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"poi_back"]];     imageView.center = CGPointMake(25, 25);  [_poiBackBtn addSubview:imageView];     } return _poiBackBtn;}@end