[英]Dynamic feature: Unable to instantiate fragment : make sure class name exists
I'm trying to load my fragment that lives in a dynamic feature module.我正在尝试加载位于动态功能模块中的片段。 However, I keep getting a crash:
但是,我一直在崩溃:
val f = FragmentFactory().instantiate(classLoader,
"com.myapp.customviewdynamicfeature.CustomFragment")
supportFragmentManager.beginTransaction()
.add(R.id.customFragmentContainer, f).commit()
2022-03-25 11:36:54.020 20732-20732/? E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.myapp.dynamicdeliverysampleapp, PID: 20732
androidx.fragment.app.Fragment$InstantiationException: Unable to instantiate fragment com.myapp.customviewdynamicfeature.CustomFragment: make sure class name exists
at androidx.fragment.app.FragmentFactory.loadFragmentClass(FragmentFactory.java:97)
at
I also tried adding this to my dynamic module's proguard我还尝试将其添加到我的动态模块的 proguard
-keep class com.myapp.customviewdynamicfeature.** { *; }
I've also tried reflection:我也尝试过反思:
val f = Class.forName("com.myapp.customviewdynamicfeature.CustomFragment").newInstance() as Fragment
but I get a similar error:但我得到一个类似的错误:
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:558)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
Caused by: java.lang.ClassNotFoundException: com.myapp.customviewdynamicfeature.CustomFragment
I believe I resolved this by upgrading the AndroidX fragment version to 1.5.0.我相信我通过将 AndroidX 片段版本升级到 1.5.0 解决了这个问题。 https://developer.android.com/jetpack/androidx/releases/fragment#version_15_2
https://developer.android.com/jetpack/androidx/releases/fragment#version_15_2
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