LiuXin

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Results 3 issues of


                                            LiuXin

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference

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![image](https://user-images.githubusercontent.com/29397657/131298929-e2db3600-d6a1-4dc0-9cd6-a81044e3fb54.png)

flutter好用的轮子推荐七-flutter圆形或线型进度条

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怎么实现圆角矩形进度条呢？可以加载动态数据吗？

接口报错了把访问不了接口了