changliu issues

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                                            changliu

我替朋友问一下非程序猿可以做吗

求助大佬，使用了androidx包后出现类型转换异常，但V7包可以

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mall/com.example.mall.MainActivity}: java.lang.ClassCastException: com.example.mall.MainActivity cannot be cast to me.yokeyword.fragmentation.SupportActivity ``` abstract class ProxyActivity : AppCompatActivity(), ISupportActivity { private lateinit var mDelegate: SupportActivityDelegate abstract fun setRootFragment(): MallFragment...