amap_location/ios/Classes/AmapLocationPlugin.m

#import "AmapLocationPlugin.h"

@interface AmapLocationPlugin()<AMapLocationManagerDelegate> {
    AMapLocationManager* _aMapManager;
    FlutterMethodChannel* _flutterChannel;
}

@end

@implementation AmapLocationPlugin

-(instancetype)initWithBinaryMessager:(NSObject<FlutterBinaryMessenger>*)messenger{
    if(self == [super init]){
        _flutterChannel = [FlutterMethodChannel
        methodChannelWithName:@"amap_location"
        binaryMessenger:messenger];
        
    }
    return self;
}

+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
    AmapLocationPlugin* instance = [[AmapLocationPlugin alloc] initWithBinaryMessager:registrar.messenger];
    
    [registrar addMethodCallDelegate:instance channel:[instance channel]];
    [registrar addApplicationDelegate:instance];
}

-(FlutterMethodChannel *)channel{
    return _flutterChannel;
}

- (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
    if ([@"getPlatformVersion" isEqualToString:call.method]) {
        result([@"iOS " stringByAppendingString:[[UIDevice currentDevice] systemVersion]]);
    } else if([@"startLocation" isEqualToString:call.method]){
        [self startLocation:call result:result];
    } else if([@"closeLocation" isEqualToString:call.method]){
        [self closeLocation:call result:result];
    }else {
        result(FlutterMethodNotImplemented);
    }
}

- (void)startLocation:(FlutterMethodCall*)call result:(FlutterResult)result{
    NSNumber* isOnceLocation = call.arguments[@"isOnceLocation"];
    NSNumber* isNeedAddress = call.arguments[@"isNeedAddress"];
    NSNumber* mockEnable = call.arguments[@"mockEnable"];
//    NSNumber* locationInterval = call.arguments[@"locationInterval"];
    NSNumber* locationTimeOut = call.arguments[@"locationTimeOut"];
    NSNumber* locationMode = call.arguments[@"locationMode"];
    
    NSLog(@"开始定位");
    _aMapManager = [[AMapLocationManager alloc]init];
    _aMapManager.delegate =self;
    _aMapManager.detectRiskOfFakeLocation=mockEnable.boolValue;
    
    [_aMapManager setLocatingWithReGeocode:isNeedAddress.boolValue];
    //   定位超时时间，最低2s，此处设置为10s
    _aMapManager.locationTimeout = locationTimeOut.intValue;
    //   逆地理请求超时时间，最低2s，此处设置为10s
    _aMapManager.reGeocodeTimeout = locationMode.intValue;
    if(locationMode.intValue ==0){
        [_aMapManager setDesiredAccuracy:kCLLocationAccuracyThreeKilometers];
    }else if(locationMode.intValue ==1){
        [_aMapManager setDesiredAccuracy:kCLLocationAccuracyHundredMeters];
    }else{
        [_aMapManager setDesiredAccuracy:kCLLocationAccuracyBest];
    }
    if(isOnceLocation.boolValue){
        NSLog(@"一次定位");
        [_aMapManager requestLocationWithReGeocode:isNeedAddress.boolValue completionBlock:^(CLLocation *location, AMapLocationReGeocode *regeocode, NSError *error) {
            [self handleResult:location regeocode:regeocode error:error];
           
        }];
    }else{
        [_aMapManager startUpdatingLocation];
    }
    result(nil);
    
}

- (void)handleResult:(CLLocation *)location regeocode:(AMapLocationReGeocode *)regeocode error:(NSError *)error{
    NSLog(@"定位返回");
    if(error){
        NSLog(@"error:%@",error);
        [_flutterChannel invokeMethod:@"location" arguments:@""];
    }else{
        NSMutableDictionary* result = [NSMutableDictionary dictionary];
        result[@"lon"] =@(location.coordinate.longitude);
        result[@"lat"] =@(location.coordinate.latitude);
        NSLog(@"location:{lat:%f; lon:%f; accuracy:%f}", location.coordinate.latitude, location.coordinate.longitude, location.horizontalAccuracy);
        if (regeocode)
        {
            result[@"citycode"]=regeocode.citycode;
            result[@"adcode"]=regeocode.adcode;
            result[@"country"]=regeocode.country;
            result[@"province"]=regeocode.province;
            result[@"city"]=regeocode.city;
            result[@"district"]=regeocode.district;
//            result[@"road"]=regeocode.r;
            result[@"street"]=regeocode.street;
            result[@"number"]=regeocode.number;
            result[@"poiname"]=regeocode.POIName;
            result[@"errorCode"]=error==nil?nil:@(error.code);
            result[@"errorInfo"]=nil;
//            result[@"locationType"]=location.;
//            result[@"locationDetail"]=location.detail;
            result[@"aoiname"]=regeocode.AOIName;
            result[@"address"]=regeocode.formattedAddress;
//            result[@"poiid"]=location.poi;
            result[@"floor"]=[[NSString alloc]initWithFormat:@"%ld",(long)location.floor.level];
            result[@"description"]=regeocode.description;
            result[@"time"]=@(location.timestamp.timeIntervalSinceNow);
            result[@"provider"]=regeocode.province;
//            result[@"accuracy"]=location.accur;
//            result[@"isOffset"]=location.;
            NSLog(@"reGeocode:%@", regeocode);
            [_flutterChannel invokeMethod:@"location" arguments:[self convertToJsonData:result]];
        }
    }
}

//格式化输出
- (NSString *)convertToJsonData:(NSDictionary *)userInfo {
    NSError *error;
    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:userInfo options:nil error:&error];
    NSString *jsonString=@"";
    if (!jsonData) {
        NSLog(@"%@", error);
    } else {
        jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
    }
    return jsonString;
}


- (void)closeLocation:(FlutterMethodCall*)call result:(FlutterResult)result{
    NSLog(@"结束定位");
    if(_aMapManager){
        _aMapManager.delegate=nil;
        [_aMapManager stopUpdatingLocation];
        _aMapManager = nil;
    }
    result(nil);
}

- (void)amapLocationManager:(AMapLocationManager *)manager didFailWithError:(NSError *)error{
    NSLog(@"定位出现错误：%@",error);
    
}
- (void)amapLocationManager:(AMapLocationManager *)manager doRequireLocationAuth:(CLLocationManager*)locationManager{
    NSLog(@"申请权限");
    [locationManager requestAlwaysAuthorization];
}

- (void)amapLocationManager:(AMapLocationManager *)manager didUpdateLocation:(CLLocation *)location reGeocode:(AMapLocationReGeocode *)reGeocode{
    [self handleResult:location regeocode:reGeocode error:nil];
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{
    NSString *bundlePath = [[NSBundle mainBundle] pathForResource:@"Info" ofType:@"plist"];
    NSMutableDictionary *infoDict = [NSMutableDictionary dictionaryWithContentsOfFile:bundlePath];
    NSString *gaodeAppKey = [infoDict objectForKey:@"GaoDeAppKey"];
    [AMapServices sharedServices].apiKey = gaodeAppKey;
    NSLog(@"配置高德地图定位");
    
    return YES;
    
}

@end