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"react-native": "0.39.2", "react": "15.4.1",
两个重要版本如下，因为是旧的项目，不能升级react.native的版本到.4以上，只能指定用0.39.2
一直报错，这个错误应该是无法获取设备宽高度，但不知从何下手去改动 求大神帮助
网上那些方法都试过了，包括 "react-native-router-flux": "3.38.0", ，以及关闭终端，清除缓存等，就是不行
难就难在一定要保证0.39.2的react-native版本