获取infoDictionary中某个key对应的值的方法
[[[NSBundle mainBundle] infoDictionary] valueForKey:@"key"];
或
[[NSBundle mainBundle] objectForInfoDictionaryKey:@"key"];
应用名
[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleName"];
版本号
[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
build号
[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"];
Bundle Id
[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleIdentifier"];
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