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flutter sdk 版本升级到 2.0 或者更高的版本后,运行之前的代码会报错,比方:
Error: Cannot run with sound null safety, because the following dependencies
don't support null safety:
- package:flutter_swiper
- package:flutter_page_indicator
- package:transformer_page_view
For solutions, see https://dart.dev/go/unsound-null-safety
FAILURE: Build failed with an exception.
下面的问题是,这些包不反对 safety 模式。咱们能够在运行的时候增加 --no-sound-null-safety
。关上 Android Studio,而后顺次抉择【Run】–>【Edit Configurations】–>【Add Additional Run args】–>【–no-sound-null-safety】,如下图。
而后,再次运行就没有谬误了。
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