百度地图API问题

1.不显示地图：重新申请API key
2.manager start failed：info.plist加入Bundle display name
3.在info.plist文件中增加
NSLocationWhenInUseUsageDescription  BOOL YES
NSLocationAlwaysUsageDescription         string “提示描述”
两个字段，在iOS8中才能进行正确的获取服务权限
4.-(void)viewWillAppear:(BOOL)animated中添加相关代码（比如设置坐标、放置大头针）才能实现相关功能！


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使__attribute__((annotate("xxx")))能作用于OC函数

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