Hongmeng (HarmonyOS) crashes during registration
yinanwang1 opened this issue · 8 comments
Edit: updated to translate to English, as this issue tracker is in English.
鸿蒙系统注册时崩溃
Translation: Hongmeng system crashes during registration
崩溃执行的代码为 EventBus.getDefault().register(this) 在注册的时候就崩溃了。崩溃的日志如下：
Translation: The code executed by the crash is EventBus.getDefault().register(this) and it crashes when registering. The crash log is as follows:
Caused by: java.lang.ClassNotFoundException: Didn't find class "android.window.BackEvent" on path: DexPathList[[zip file "/data/app/~~mItMJVtTKf3MFXkmzjJT5g==/com.qeebike.customer-sqio0Z6TRT4C2KWW30Nl8g==/base.apk"],nativeLibraryDirectories=[/data/app/~~mItMJVtTKf3MFXkmzjJT5g==/com.qeebike.customer-sqio0Z6TRT4C2KWW30Nl8g==/lib/arm64, /data/app/~~mItMJVtTKf3MFXkmzjJT5g==/com.qeebike.customer-sqio0Z6TRT4C2KWW30Nl8g==/base.apk!/lib/arm64-v8a, /system/lib64, /hw_product/lib64, /system/lib64/module/multimedia, /system/product/lib64]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:218)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
at java.lang.reflect.Executable.getParameterTypesInternal(Native Method)
at java.lang.reflect.Method.getParameterTypes(Method.java:186)
at org.greenrobot.eventbus.SubscriberMethodFinder.findUsingReflectionInSingleClass(SubscriberMethodFinder.java:173)
at org.greenrobot.eventbus.SubscriberMethodFinder.findUsingInfo(SubscriberMethodFinder.java:88)
at org.greenrobot.eventbus.SubscriberMethodFinder.findSubscriberMethods(SubscriberMethodFinder.java:64)
at org.greenrobot.eventbus.EventBus.register(EventBus.java:150)
at com.qeebike.map.ui.activity.JourneyFinishActivity.onCreate(JourneyFinishActivity.kt:102)
at android.app.Activity.performCreate(Activity.java:8592)
at android.app.Activity.performCreate(Activity.java:8565)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1344)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4756)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:5006)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:123)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:149)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:103)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3082)
at android.os.Handler.dispatchMessage(Handler.java:117)
at android.os.Looper.loopOnce(Looper.java:205)
at android.os.Looper.loop(Looper.java:293)
at android.app.ActivityThread.loopProcess(ActivityThread.java:9986)
at android.app.ActivityThread.main(ActivityThread.java:9975)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:586)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1240)
我的鸿蒙也出现了 Caused by: java.lang.ClassNotFoundException: Didn't find class "android.window.BackEvent" on path: DexPathList
机型mate40
系统harmonyos 4.0.0
There are multiple issues about this, do none of the solutions there work?
There are multiple issues about this, do none of the solutions there work?
Thank you for your replay. YES, I don't find any solution to fix this bug in the ISSUES. THE error message is: Didn't find class "android.window.BackEvent". There is no same issues.
WHAT information about this bug do you want, I can offer?
My CODE as follow:
class JourneyFinishActivity : FlutterActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
if (!EventBus.getDefault().isRegistered(this) && findBackEvent()) {
EventBus.getDefault().register(this)
}
}Especially, invoke the EventBus.getDefault().register(this) in the FlutterActivity file, it crashes. I don't know the reason is caused by the flutter activity or not!
I hope this is helpful and I look forward to hearing from you.
Good luck.
Please look at the issues I have linked. They are relevant to your issue which is a ClassNotFoundException. I don't have time to summarize them all here.
增加一个冗余类 临时解决
Translation: Add a redundant class as a temporary solution
class _SplashFlutterActivityEventReceiver(val activity: SplashFlutterActivity) {
fun register() {
if (!EventBus.getDefault().isRegistered(this)) {
EventBus.getDefault().register(this)
}
}
@Subscribe(threadMode = ThreadMode.MAIN)
fun onFlutterEvent(event: FlutterSendEventBean) {
...
}
fun unRegister() {
if (EventBus.getDefault().isRegistered(this)) {
EventBus.getDefault().unregister(this)
}
}
}
open class SplashFlutterActivity : FlutterBoostActivity() {
val _eventReceiver = _SplashFlutterActivityEventReceiver(this)
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
_eventReceiver.register()
...
}
override fun onDestroy() {
super.onDestroy()
_eventReceiver.unRegister()
...
}I had the same crash in my Flutter activity and temporarily fixed it with @mainlxl 's logic.
Thank you!
private void findUsingReflectionInSingleClass(FindState findState) {
Method[] methods;
try {
// This is faster than getMethods, especially when subscribers are fat classes like Activities
methods = findState.clazz.getDeclaredMethods();
} catch (Throwable th) {
// Workaround for java.lang.NoClassDefFoundError, see https://github.com/greenrobot/EventBus/issues/149
try {
methods = findState.clazz.getMethods();
} catch (LinkageError error) { // super class of NoClassDefFoundError to be a bit more broad...
String msg = "Could not inspect methods of " + findState.clazz.getName();
if (ignoreGeneratedIndex) {
msg += ". Please consider using EventBus annotation processor to avoid reflection.";
} else {
msg += ". Please make this class visible to EventBus annotation processor to avoid reflection.";
}
throw new EventBusException(msg, error);
}
findState.skipSuperClasses = true;
}
for (Method method : methods) {
int modifiers = method.getModifiers();
if ((modifiers & Modifier.PUBLIC) != 0 && (modifiers & MODIFIERS_IGNORE) == 0) {
Class<?>[] parameterTypes = method.getParameterTypes();
if (parameterTypes.length == 1) {
Subscribe subscribeAnnotation = method.getAnnotation(Subscribe.class);
if (subscribeAnnotation != null) {
Class<?> eventType = parameterTypes[0];
if (findState.checkAdd(method, eventType)) {
ThreadMode threadMode = subscribeAnnotation.threadMode();
findState.subscriberMethods.add(new SubscriberMethod(method, eventType, threadMode,
subscribeAnnotation.priority(), subscribeAnnotation.sticky()));
}
}
} else if (strictMethodVerification && method.isAnnotationPresent(Subscribe.class)) {
String methodName = method.getDeclaringClass().getName() + "." + method.getName();
throw new EventBusException("@Subscribe method " + methodName +
"must have exactly 1 parameter but has " + parameterTypes.length);
}
} else if (strictMethodVerification && method.isAnnotationPresent(Subscribe.class)) {
String methodName = method.getDeclaringClass().getName() + "." + method.getName();
throw new EventBusException(methodName +
" is a illegal @Subscribe method: must be public, non-static, and non-abstract");
}
}
}
methods里面有个是空的报错 在flutterActivity内用EventBus
Translation: There is an empty error in methods. Use EventBus in flutterActivity.