Flutter

Flutter: NoSuchMethodError: The

2019-10-19  本文已影响0人  一点大话

Flutter出现以下错误:

NoSuchMethodError: The method ' / was called on null.

Receiver: null

Tried calling: /(1334.0)

解决方案:在调用前先对ScreenUtil.instance初始化宽高,如下:

ScreenUtil.instance = ScreenUtil(width: 750, height: 1334)..init(context);

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