oc 高德地图授权

[MAMapKit] 要在iOS 11及以上版本使用定位服务, 需要在Info.plist中添加NSLocationAlwaysAndWhenInUseUsageDescription和NSLocationWhenInUseUsageDescription字段。

⚠️注意循环引用

LocalPrivateObj.h

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

typedef void (^OperationBlock)(void);
typedef void (^FailedBlock)(NSString *tip);

@interface LocalPrivateObj : NSObject

///位置授权
- (void)extLocalPermissions:(OperationBlock)authedBlock failed:(FailedBlock)failedBlock deniedBlock:(OperationBlock)deniedBlock;

@end

LocalPrivateObj.m

#import "LocalPrivateObj.h"

@interface LocalPrivateObj ()<CLLocationManagerDelegate>
@property (nonatomic, strong) CLLocationManager *locationMgr;

@property (nonatomic, copy) OperationBlock authBlock;
@property (nonatomic, copy) OperationBlock deniedBlock;

@end

@implementation LocalPrivateObj

- (instancetype)init {
    self = [super init];
    if (self) {
        self.locationMgr = [[CLLocationManager alloc] init];
        self.locationMgr.delegate = self;
    }
    return self;
}

///位置授权
- (void)extLocalPermissions:(OperationBlock)authedBlock failed:(FailedBlock)failedBlock deniedBlock:(OperationBlock)deniedBlock {

    //关心定位权限问题：设备根本就不支持？用户是否授权？
    if (![CLLocationManager locationServicesEnabled]) {
        if (failedBlock) {
            failedBlock(@"设备不支持定位!");
        }
        return;
    }
    
    CLAuthorizationStatus status = [CLLocationManager authorizationStatus];
    switch (status) {
        case kCLAuthorizationStatusAuthorizedAlways:
        case kCLAuthorizationStatusAuthorizedWhenInUse:
            NSLog(@"可用定位");
            if (authedBlock) {
                authedBlock();
            }
            break;
        case kCLAuthorizationStatusNotDetermined: {
            
            self.authBlock = authedBlock;
            self.deniedBlock = deniedBlock;
            
            NSLog(@"重新请求定位");
            [self.locationMgr requestWhenInUseAuthorization];
        }
            break;
        case kCLAuthorizationStatusRestricted:
        case kCLAuthorizationStatusDenied: {
            if (deniedBlock) {
                deniedBlock();
            }
            NSLog(@"拒绝❌定位");
        }
            break;
        default:
            break;
    }
}

#pragma mark - CLLocationManagerDelegate
- (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status {
    [self locationAuth:status];
}

- (void)locationManagerDidChangeAuthorization:(CLLocationManager *)manager API_AVAILABLE(ios(14.0)) {
    CLAuthorizationStatus status = manager.authorizationStatus;
    [self locationAuth:status];
}

- (void)locationAuth:(CLAuthorizationStatus)status {
    switch (status) {
        case kCLAuthorizationStatusAuthorizedAlways:
        case kCLAuthorizationStatusAuthorizedWhenInUse:
            if (self.authBlock) {
                self.authBlock();
            }
            NSLog(@"可用定位");
            break;
        case kCLAuthorizationStatusNotDetermined: {
            NSLog(@"重新请求定位");
            [self.locationMgr requestWhenInUseAuthorization];
        }
            break;
        case kCLAuthorizationStatusRestricted:
        case kCLAuthorizationStatusDenied: {
            if (self.deniedBlock) {
                self.deniedBlock();
            }
            NSLog(@"拒绝❌定位");
        }
            break;
        default:
            break;
    }
}

@end

Demo

//授权
__weak __typeof(self)weakSelf = self;
self.localObj = [[LocalPrivateObj alloc] init];

[self.localObj extLocalPermissions:^{
    [weakSelf locationOnce];
} failed:^(NSString *str) {
    [SVProgressHUD showErrorWithStatus:str];
} deniedBlock:^{
    NSLog(@"拒绝❌定位");
    
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提示" message:@"app未授权定位" preferredStyle:UIAlertControllerStyleAlert];
    [alert addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
        
    }]];
    [alert addAction:[UIAlertAction actionWithTitle:@"去设置" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        if (@available(iOS 10.0, *)) {
            [UIApplication.sharedApplication openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString] options:@{} completionHandler:nil];
        } else {
            [UIApplication.sharedApplication openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
        }
    }]];
    [weakSelf presentViewController:alert animated:YES completion:nil];
}];