- (void)viewDidLoad
{
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor grayColor];
    self.title = @"手机GPS导航";
    
    UILabel* startNodeLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 130, self.view.frame.size.width, 30)];
    startNodeLabel.backgroundColor = [UIColor clearColor];
    startNodeLabel.text = @"起点：国人通信大厦";
    startNodeLabel.textAlignment = NSTextAlignmentCenter;
    startNodeLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth;
    [self.view addSubview:startNodeLabel];
    
    
    UILabel* endNodeLabel = [[UILabel alloc] initWithFrame:CGRectMake(startNodeLabel.frame.origin.x, startNodeLabel.frame.origin.y+startNodeLabel.frame.size.height, self.view.frame.size.width, startNodeLabel.frame.size.height)];
    endNodeLabel.backgroundColor = [UIColor clearColor];
    endNodeLabel.text = @"终点：上海宾馆";
    endNodeLabel.textAlignment = NSTextAlignmentCenter;
    endNodeLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth;
    [self.view addSubview:endNodeLabel];
    
    CGSize buttonSize = {240,40};
    CGRect buttonFrame = {(self.view.frame.size.width-buttonSize.width)/2,40+endNodeLabel.frame.size.height+endNodeLabel.frame.origin.y,buttonSize.width,buttonSize.height};
    UIButton* realNaviButton = [self createButton:@"开始导航" target:@selector(realNavi:)  frame:buttonFrame];
    [self.view addSubview:realNaviButton];
    
    //设置白天黑夜模式
    //[BNCoreServices_Strategy setDayNightType:BNDayNight_CFG_Type_Auto];
    //设置停车场
    //[BNCoreServices_Strategy setParkInfo:YES];
    
    CLLocationCoordinate2D wgs84llCoordinate;
    //assign your coordinate here...
    
    CLLocationCoordinate2D bd09McCoordinate;
    //the coordinate in bd09MC standard, which can be used to show poi on baidu map
    bd09McCoordinate = [BNCoreServices_Instance convertToBD09MCWithWGS84ll: wgs84llCoordinate];
    
}