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Activity hangs after java.lang.NoClassDefFoundError #207
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@sdebruyn
Description
OS & SDK version info
Support Libraries Version (eg: 23.3.0): 28.0.0.1
Describe your Issue
We have a Xamarin.Android app with MvvmCross 6.3.1, no Xamarin.Forms. Sometimes (probably race condition or lifecycle/memory related) our app hangs on the SplashActivity.
The SplashActivity does nothing more than continue to the next activity (let's call it LoginActivity) using the MvvmCross engine (AppStarter etc.).
About 95% of the time this works without issues. The issue never occurs when the app is completely closed (or when you force close it using the OS settings).
Sometimes the app does not continue from the SplashActivity and LoginActivity does not become visible. However, we notice in logcat that the views on LoginActivity are constructed as the MvvmCross bindings also output some logging information.
Steps to Reproduce (with link to sample solution if possible): not found yet, any help for finding a repro is welcome
Include any relevant Exception Stack traces, build logs, adb logs:
We have been able to capture the logs only once on a device with ADB enabled. We noticed that every time we tried to launch the app, the logs below were outputted.
Rejecting re-init on previously-failed class java.lang.Class<android.support.v4.view.ViewCompat$OnUnhandledKeyEventListenerWrapper>: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/view/View$OnUnhandledKeyEventListener;
at void android.support.v4.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, android.support.v4.view.OnApplyWindowInsetsListener) (ViewCompat.java:2203)
at android.view.ViewGroup android.support.v7.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:637)
at void android.support.v7.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:518)
at void android.support.v7.app.AppCompatDelegateImpl.onPostCreate(android.os.Bundle) (AppCompatDelegateImpl.java:299)
at void android.support.v7.app.AppCompatActivity.onPostCreate(android.os.Bundle) (AppCompatActivity.java:98)
at void android.app.Instrumentation.callActivityOnPostCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1293)
at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2956)
at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:3059)
at void android.app.ActivityThread.-wrap11(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1724)
at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:106)
at void android.os.Looper.loop() (Looper.java:164)
at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:7000)
at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2)
at void com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run() (RuntimeInit.java:441)
at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:1408)
Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList[[zip file "/data/app/be.belgianrail.btr.edrive.acceptance-IpwuVT9BKa64GRGdPHEq8Q==/base.apk"],nativeLibraryDirectories=[/data/app/be.belgianrail.btr.edrive.acceptance-IpwuVT9BKa64GRGdPHEq8Q==/lib/arm, /data/app/be.belgianrail.btr.edrive.acceptance-IpwuVT9BKa64GRGdPHEq8Q==/base.apk!/lib/armeabi-v7a, /system/lib, /system/vendor/lib]]
at java.lang.Class dalvik.system.BaseDexClassLoader.findClass(java.lang.String) (BaseDexClassLoader.java:125)
at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean) (ClassLoader.java:379)
at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String) (ClassLoader.java:312)
at void android.support.v4.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, android.support.v4.view.OnApplyWindowInsetsListener) (ViewCompat.java:2203)
at android.view.ViewGroup android.support.v7.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:637)
at void android.support.v7.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:518)
at void android.support.v7.app.AppCompatDelegateImpl.onPostCreate(android.os.Bundle) (AppCompatDelegateImpl.java:299)
at void android.support.v7.app.AppCompatActivity.onPostCreate(android.os.Bundle) (AppCompatActivity.java:98)
at void android.app.Instrumentation.callActivityOnPostCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1293)
at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2956)
at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:3059)
at void android.app.ActivityThread.-wrap11(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1724)
at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:106)
at void android.os.Looper.loop() (Looper.java:164)
at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:7000)
at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2)
at void com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run() (RuntimeInit.java:441)
at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:1408)