YYXC_Student/jiaPei/DistenceTooLongMapVC.m

//
//  DistenceTooLongMapVC.m
//  jiaPei
//
//  Created by apple on 2018/1/31.
//  Copyright © 2018年 JCZ. All rights reserved.
//

#import "DistenceTooLongMapVC.h"
#import <BaiduMapAPI_Map/BMKMapComponent.h>//引入地图功能所有的头文件


@interface DistenceTooLongMapVC ()<BMKMapViewDelegate>
{
    BMKMapView         *_mapView;
}
@end

@implementation DistenceTooLongMapVC

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.title = @"扫码位置";
    self.view.backgroundColor = backGroundColor;
    [self configNavigationBar];
    [self myInit];
}

-(void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    [_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
}

-(void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    [_mapView viewWillDisappear];
    _mapView.delegate = nil; // 不用时，置nil
}

- (void)myInit {
    
    _mapView = [[BMKMapView alloc]initWithFrame:CGRectMake(0, 0, kSize.width, kSize.height*7/12.0)];
    _mapView.delegate = self;
    [self.view addSubview:_mapView];
    
    
    NSMutableArray *annotationArray = [NSMutableArray arrayWithCapacity:2];
    
    BMKPointAnnotation *annotation = [[BMKPointAnnotation alloc]init];
    annotation.coordinate = CLLocationCoordinate2DMake(_lat1, _lng1);
    annotation.title = @"当前位置";
    annotation.subtitle = [NSString stringWithFormat:@"距离教室%@米",_distence];
    [_mapView addAnnotation:annotation];
    [annotationArray addObject:annotation];
    
    annotation = [[BMKPointAnnotation alloc]init];
    annotation.coordinate = CLLocationCoordinate2DMake(_lat2, _lng2);
    annotation.title = @"理论教室位置";
    annotation.subtitle = [NSString stringWithFormat:@"距离您%@米",_distence];
    [_mapView addAnnotation:annotation];
    [annotationArray addObject:annotation];
    
    //中间点
    annotation = [[BMKPointAnnotation alloc]init];
    annotation.coordinate = CLLocationCoordinate2DMake(_lat1/2.0 + _lat2/2.0, _lng1/2.0 + _lng2/2.0);
    annotation.title = [NSString stringWithFormat:@"距离%.1fkm",[_distence floatValue]/1000.0];
//    annotation.subtitle = [NSString stringWithFormat:@"距离%.1fkm",[_distence floatValue]/1000.0];
    [_mapView addAnnotation:annotation];
    [annotationArray addObject:annotation];
    
    [_mapView selectAnnotation:annotation animated:YES];
     _mapView.centerCoordinate = annotation.coordinate;
    
    
    [_mapView showAnnotations:annotationArray animated:NO];
    _mapView.zoomLevel = _mapView.zoomLevel - 0.55;
    
    CLLocationCoordinate2D coor[2] = {0};
    coor[0] = CLLocationCoordinate2DMake(_lat1, _lng1);
    coor[1] = CLLocationCoordinate2DMake(_lat2, _lng2);
    BMKPolyline* polyline = [BMKPolyline polylineWithCoordinates:coor count:2];
    [_mapView addOverlay:polyline];
    
    
    
    //地图下UI
    CGFloat y = kSize.height * 7/12.0 - 24;//剩余24的距离用来掩盖百度的logo
    CGFloat h = kSize.height * 5/12.0 - 40;
    UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, y, kSize.width, h)];
    view.backgroundColor = backGroundColor;
    [self.view addSubview:view];
    
    [view addViewWithRect:CGRectMake(0, y, kSize.width, 1.0)];
    
    
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(20, 5, kSize.width - 40, h - 60)];
    [label setText:@"说明：当前位置距离理论教室位置过远，请前往理论教室所在地扫描二维码签到。如果当前位置获取有误，已在理论教室，请点击“重新定位”重置当前位置后再次扫码签到，祝您学车愉快！" Font:FontTitle TextColor:[UIColor orangeColor]];
    label.numberOfLines = 0;
    [view addSubview:label];
    
    UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(20, h - 60, kSize.width - 40, 40)];
    btn.backgroundColor = defGreen;
    [btn setTitle:@"重新定位" textColor:[UIColor whiteColor] font:FontLarger fotState:UIControlStateNormal];
    [btn borderColor:backGroundColor width:.3 cornorRadios:4];
    [btn target:self tag:1];
    [view addSubview:btn];
}

- (void)btnClick:(UIButton *)sender {
    if (sender.tag == 1) {
        if (self.skipMspBlock) {
            self.skipMspBlock();
        }
        [self.navigationController popViewControllerAnimated:YES];
    }
}

//标注的代理
-(BMKAnnotationView *)mapView:(BMKMapView *)mapView viewForAnnotation:(id<BMKAnnotation>)annotation
{
    if ([annotation isKindOfClass:[BMKPointAnnotation class]]) {
        BMKPinAnnotationView *newAnnotationView = [[BMKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"myAnnotation"];
        
        if ([annotation.title isEqualToString:@"当前位置"]) {
            newAnnotationView.image = [UIImage imageNamed:@"location_now"];
        }
        if ([annotation.title isEqualToString:@"理论教室位置"]) {
            newAnnotationView.image = [UIImage imageNamed:@"location_target"];
        }
        
        if ([annotation.title containsString:@"距离"]) {
            newAnnotationView.image = [UIImage imageNamed:@""];
        }
        // 设置该标注点动画显示
        newAnnotationView.animatesDrop = NO;
        return newAnnotationView;
    }
    return nil;
}

//根据overlay生成对应的View
- (BMKOverlayView *)mapView:(BMKMapView *)mapView viewForOverlay:(id <BMKOverlay>)overlay
{
    if ([overlay isKindOfClass:[BMKPolyline class]]) {
        BMKPolylineView *polylineView = [[BMKPolylineView alloc] initWithOverlay:overlay];
        polylineView.lineWidth = 1.6;
        polylineView.strokeColor = [UIColor redColor];
        return polylineView;
    }
    return nil;
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
}

@end