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Comments (10)

liangjingkanji avatar liangjingkanji commented on June 12, 2024

Demo可以运行吗?
你可能是没有添加recyclerview依赖

implementation "androidx.recyclerview:recyclerview:1.1.0"

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dlisagod avatar dlisagod commented on June 12, 2024

Demo可以运行吗? 你可能是没有添加recyclerview依赖

implementation "androidx.recyclerview:recyclerview:1.1.0"

有的,去掉这个PageRefreshLayout包裹就是正常运行的了,包裹PageRefreshLayout在预览页是灰色的,直接用那个SmartRefreshLayout包裹也是一样情况,估计是我这项目缺少supportv4?用的Androidx跟material的了,UI相关的库版本如下
appcompat : 'androidx.appcompat:appcompat:1.2.0',
material : 'com.google.android.material:material:1.2.1',
recyclerview : 'androidx.recyclerview:recyclerview:1.1.0',
viewpager : 'androidx.viewpager2:viewpager2:1.0.0',
constraintlayout : 'androidx.constraintlayout:constraintlayout:2.1.0',

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dlisagod avatar dlisagod commented on June 12, 2024

我跑一下你的Demo看看

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liangjingkanji avatar liangjingkanji commented on June 12, 2024

项目中是否存在jcenter库

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dlisagod avatar dlisagod commented on June 12, 2024

项目中是否存在jcenter库

跟jcenter应该是没关系的。
我先改回去重新编译了几次不行。点击PageRefreshLayout的源码再点击SmartRefreshLayout还是看到其继承的NestedScrollingParent报红的,上面还有其它supportv4相关的全红。

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dlisagod avatar dlisagod commented on June 12, 2024

你Demo的没问题,我再找找各种可能看看

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dlisagod avatar dlisagod commented on June 12, 2024

你Demo的没问题,我再找找各种可能看看

Demo里SmartRefreshLayout的源码还是看到其继承的NestedScrollingParent报红的,上面还有其它supportv4相关的全红,但是能编译运行,我的项目里不行,让人费解

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dlisagod avatar dlisagod commented on June 12, 2024

现在可以了,奇奇怪怪,可能是AS抽风了。
我经过一下测试:
1、一开始想到 添加 api 'androidx.legacy:legacy-support-v4:1.0.0',不行
2、 换成 api 'com.android.support:support-v4:28.0.0',不行
3、在2的基础上使用AS的Refactor->Migrate to Androidx(可本来就是 Androidx项目),然后其实就是把2变为1,居然能编译通过了。
4、在3的基础上,去掉依赖库(其实不就是恢复到最开始啥都没改?),也还是能编译通过
5、ctrl z 一直撤销,提示Undo migrate to Androidx ,确定,之后确实又不行了,然后再尝试Migrate to Androidx提示No xxx migrate to Androidx ,郁闷。
6、重复1 2 3 的情况

总结,这种情况,先api 'com.android.support:support-v4:28.0.0',再Refactor->Migrate to Androidx,就可用编译运行了,即使去掉依赖库也行。反正就是让人摸不着头脑

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liangjingkanji avatar liangjingkanji commented on June 12, 2024

或者试下重启并清除缓存

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dlisagod avatar dlisagod commented on June 12, 2024

或者试下重启并清除缓存

这个一开始就试过的,没用的,不过现在解决了

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