Android view view onunhandledkeyeventlistener

Android view view onunhandledkeyeventlistener

У меня возникла проблема с созданием нового проекта в студии Android 3.1.3, всякий раз, когда я создавал проект, макет дизайна выдавал сообщение об ошибке:

Не удалось загрузить AppCompat ActionBar с неизвестной ошибкой.

скриншот ошибки:

предупреждение:

style.xml (пока ошибка) ->

И я решил, добавив:

style name = "AppTheme" parent = "Base.Theme.AppCompat.Light.DarkActionBar"

Но когда мне нужно было добавить панель инструментов, я застрял с ошибкой:

скриншот ошибки:

I am new to Android Studio and I don’t get why my toolbar isn’t shown as described by https://developer.android.com/training/appbar/setting-up I know there are already some other questions like mine on stackoverflow but they don’t work at my project. Therefore I would be very thankful for fixing this issue. Screenshot:

style.xml:

7 Answers 7

Make the changes in your build.gradle (app level) to downgrade to version 27 as below. Then sync and build project. Hopefully it will fix the issue..

compileSdkVersion 27

targetSdkVersion 27

As mentioned by documentation, first, your Activity should be extend from AppCompatActivity() .

Second, in your project styles , Base.Theme.AppCompat.Light.DarkActionBar is set which means it does have a DarkActionBar but you already have a Toolbar in your layout . So, simply, change:

Then, (in java-kotlin side), setup the Toolbar :

And give the Toolbar an id.

Then you should be good to go.

It’s not an error but a warning it can be ignored by the addition of the following code in my build.gradle (app level) the file works in my case. Then sync and build the project. Hopefully, it fixes the issue.

There’s problem with library

-v7:28.0.0. There are two solutions, your can either download compile and targetSdkVersion to 27 or upgrade Android Studio to latest version (3.2.x higher).

Add multidex support library to your dependencies

android.view.View$OnUnhandledKeyEventListener is add in api28.

If runtime device below 28, can’t find the class, but run without fatal error.

We can inject the class in debug mode to ignore error message.

Comments

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hemantuno commented Jan 1, 2019

Rejecting re-init on previously-failed >

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iNoles commented Jan 1, 2019

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tiembo commented Jan 2, 2019

@hemantuno can you add more details on this error — what actions you performed when it happened, version of Android Studio, etc?

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hemantuno commented Jan 3, 2019

Run code on Samsung(Galaxy Tab A(2017) ) device using android studio 3.2.1.
Very first time run app then above logs display.

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tiembo commented Jan 5, 2019

Does Sunflower work when you run it on an emulator?

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hemantuno commented Jan 7, 2019 •

Not try in emulator.

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tiembo commented Jan 9, 2019

Please try it in an emulator as to see if the error also happens there or only on the device.

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hemantuno commented Jan 10, 2019

Same error in emulator.

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tiembo commented Jan 14, 2019

I’m unable to reproduce this. Can you try Android Studio 3.3 and in a new emulator? Also try doing a "File -> Invalidate caches / Restart" in Android Studio.

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alashow commented Jan 17, 2019

I’m seeing this stack trace in my app. I’m using Android Studio 3.3, invalidated cache, running on an emulator.
It’s triggered after calling DataBindingUtil.setContentView(this, R.layout.activity) :

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ReoDeveloper commented Jan 24, 2019 •

Same stacktrace. Android Studio 3.3. Invalidated cache. Running on device.
Device fails to execute anything else on the Activity.

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tiembo commented Jan 24, 2019

Hi everyone — thanks for the error reports.

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To help pinpoint the problem, please comment with the device you’re using (even if it’s an emulator), along with the OS version the device is running.

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matpag commented Feb 8, 2019

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pawankhandal52 commented Feb 19, 2019

Hello everyone,
I also faced this issue. How can i resolve it?

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gigaga commented Mar 21, 2019

Same problem for me. A workaround exists?

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ding33211 commented Apr 3, 2019

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gururajphadnis commented Apr 5, 2019

Same problem here, any workaround?

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zy666 commented Apr 29, 2019 •

Same for me. help me

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ytheekshana commented May 5, 2019

Same problem here, is there a fix?

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hemantuno commented May 6, 2019

Same problem here, is there a fix? No

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timniko commented May 6, 2019

I also got this problem. Only thing I recently did was updating Android Studio to the latest version.

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dem >May 7, 2019

Got the same problem while rebuilding the same app on the same phone (one month ago it was working fine)

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marlonlom commented May 12, 2019 •

Whats the name of the class that is inaccesible?

b.h.i.u$b extended by class androidx.core.view.ViewCompat$5 is inaccessible

edit:
Checking out the ViewCompat class file, at #2429:

Is something related to the ‘insets’ object that enforces us to use window insets in apps with andro >

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hmane48 commented May 17, 2019

have we got any lead on this problem guys?

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hemantuno commented May 20, 2019

have we got any lead on this problem guys?
no

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mrityunjay commented May 20, 2019

same problem for me, yesterday it was working and today it is showing this error.
Caused by: java.lang.ClassNotFoundException: Didn’t find class "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList[[zip file "/data/app/com.example.examandresultlatestgovtjobs-1/base.apk", zip file "/data/app/com.example.examandresultlatestgovtjobs-1/split_lib_dependencies_apk.apk", zip file "/data/app/com.example.examandresultlatestgovtjobs-1/split_lib_slice_0_apk.apk", zip file "/data/app/com.example.examandresultlatestgovtjobs-1/split_lib_slice_1_apk.apk", zip file "/data/app/com.example.examandresultlatestgovtjobs-1/split_lib_slice_2_apk.apk", zip file "/data/app/com.example.examandresultlatestgovtjobs-1/split_lib_slice_3_apk.apk", zip file "/data/app/com.example.examandresultlatestgovtjobs-1/split_lib_slice_4_apk.apk", zip file "/data/app/com.example.examandresultlatestgovtjobs-1/split_lib_slice_5_apk.apk", zip file "/data/app/com.example.examandresultlatestgovtjobs-1/split_lib_slice_6_apk.apk", zip file "/data/app/com.example.examandresultlatestgovtjobs-1/split_lib_slice_7_apk.apk", zi

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mrityunjay commented May 20, 2019

I believe this error occurred after I change the app name in string.xml file.

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var2611 commented May 28, 2019

I have i my project gradle : implementation "androidx.core:core-ktx:+" — Only this
then by reference of this https://stackoverflow.com/questions/53229259/no-super-method-getlifecycle-after-migrating-to-androidx I solved it.

My Solution : change in gradle file,
implementation "androidx.core:core:1.0.2" implementation "androidx.core:core-ktx:1.0.2"

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nathan-fiscaletti commented May 30, 2019

You mean intrusive, ugly, and log polluting?

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bryanwagner commented Jun 5, 2019

I have the same issue. After looking around, looks like this is a known bug in ViewCompat that’s unlikely to be fixed. I found more information at https://stackoverflow.com/a/52954286/759719. If this is indeed a benign issue, the exception should be caught and logged at debug or trace level, rather than info level. This has a productivity impact on apps with clean logs, where a stack trace triggers alarm notifications. Unfortunately this is likely handled by a different Google team.

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heyFahad commented Jun 11, 2019

This error often occurs when you enable multidex support for your apps. You may read more about it here

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