Error inflating class fragment

Question

I get the Error    Unable to start activity ComponentInfo de androidbuch activiti de androidbuch activiti task Activity   android view InflateException  Binary XML file line  11  Error inflating class fragment   when I switch via the portrait and the landscape mode  I m using fragments  My xml is     lt LinearLayout android id    id mainLayout                 android orientation  horizontal                 android layout width  fill parent                 android layout height  wrap content   gt        lt ListView android id    id android list                android layout height  wrap content                android layout width  fill parent   gt         lt fragment android id    id fragmentDetails                android layout height  fill parent                android layout width  fill parent                class  de androidbuch activiti task TaskDetailsFragment   gt    lt  LinearLayout gt    If I switch via landscape and portrait mode everything works fine  But when I click on my fragment  and I can see my fragment  and then switch to the other mode I get the error  Any idea how I can solve it  Found some answers here but none of these helped me out     06-21 14 55 05 600  ERROR AndroidRuntime 7636   FATAL EXCEPTION  main 06-21 14 55 05 600  ERROR AndroidRuntime 7636   java lang RuntimeException  Unable to start activity          ComponentInfo de androidbuch activiti de androidbuch activiti task Activity     android view InflateException  Binary XML file line  11  Error inflating class fragment 06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android app ActivityThread performLaunchActivity ActivityThread java 1736  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android app ActivityThread handleLaunchActivity ActivityThread java 1752  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android app ActivityThread handleRelaunchActivity ActivityThread java 3097  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android app ActivityThread access 1600 ActivityThread java 123  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android app ActivityThread H handleMessage ActivityThread java 997  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android os Handler dispatchMessage Handler java 99  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android os Looper loop Looper java 126  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android app ActivityThread main ActivityThread java 3998  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at java lang reflect Method invokeNative Native Method  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at java lang reflect Method invoke Method java 491  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at com android internal os ZygoteInit MethodAndArgsCaller run ZygoteInit java 841  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at com android internal os ZygoteInit main ZygoteInit java 599  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at dalvik system NativeStart main Native Method  06-21 14 55 05 600  ERROR AndroidRuntime 7636   Caused by  android view InflateException  Binary XML file line  11  Error inflating class fragment 06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android view LayoutInflater createViewFromTag LayoutInflater java 688  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android view LayoutInflater rInflate LayoutInflater java 724  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android view LayoutInflater rInflate LayoutInflater java 727  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android view LayoutInflater inflate LayoutInflater java 479  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android view LayoutInflater inflate LayoutInflater java 391  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android view LayoutInflater inflate LayoutInflater java 347  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at com android internal policy impl PhoneWindow setContentView PhoneWindow java 227  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android app Activity setContentView Activity java 1771  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at de androidbuch activiti task TaskActivity onCreate TaskActivity java 83  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android app Instrumentation callActivityOnCreate Instrumentation java 1048  06-21 14 55 05 600  ERROR AndroidRuntime 7636       at android app ActivityThread performLaunchActivity ActivityThread java 1700  06-21 14 55 05 600  ERROR AndroidRuntime 7636           12 more

User · Answer

Could you post the fragment s onCreate and onCreateView methods  I had exactly same exception which was caused by an exception in the fragment onCreate method  when I fixed that problem it fixed the Error inflating class fragment

User · Answer

I got this error when using a ListFragment but the list view id was listView1 instead of list    Your content must have a ListView whose id attribute is  android R id list    http   developer android com reference android app ListFragment html

User · Answer

I had the same problem  The solution for me was the order of super onCreate and setContentView within the FragmentActivity  Following order works fine        super onCreate savedInstanceState       setContentView R layout fc activity list profiles

User · Answer

Make sure You have put your google-services json on your respective folder and oviously add    lt meta-dataandroid name  com google android geo API KEY  android value  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX    gt    in your manifest file  Check your gradle with   implementation  com google android gms play-services-maps 15 0 1    It will work

User · Answer

Here is my solution to this problem   Caused by  android view InflateException  Binary XML file line  31  Error inflating class fragment Caused by  java lang IllegalArgumentException  Binary XML file line  31  Duplicate id 0x7f09006d  tag null  or parent id 0xffffffff with another fragment for com example eduardf audit DateTime   In my case  the error occurred when re-opening the DialogFragment with a Fragment     lt android support constraint ConstraintLayout     xmlns android  http   schemas android com apk res android      xmlns tools  http   schemas android com tools      android layout width  match parent      android layout height  match parent  gt       lt LinearLayout         android layout width  match parent          android layout height  wrap content          android orientation  vertical  gt           lt TextView             android id    id title              android layout width  wrap content              android layout height  wrap content              android drawableStart   drawable ic black edit 24px              android singleLine  true    gt           lt fragment             android id    id fragment date              android name  com example eduardf audit DateTime              android layout width  match parent              android layout height  wrap content              tools layout   layout fragment date time    gt       lt  LinearLayout gt   lt  android support constraint ConstraintLayout gt    DailogFragment stores the fragment after the first inflate  To prevent this from happening  I forcibly deleted the fragment     Override public void onDestroyView          if    afterRotate    getActivity      null             final FragmentManager fragmentManager   getActivity   getSupportFragmentManager            final Fragment fragment   fragmentManager findFragmentById R id fragment date           if  fragment    null              fragmentManager beginTransaction   remove fragment  commit              super onDestroyView        Also had to take care of unnecessary removal of the fragment  for example  when you rotate the screen   private boolean afterRotate   false       Override public void onSaveInstanceState  Bundle outState        super onSaveInstanceState outState       afterRotate   true

User · Answer

Have you tried     lt fragment             android name  de androidbuch activiti task TaskDetailsFragment              android layout width  fill parent              android layout height  fill parent    gt

User · Answer

The exception android view InflateException  Binary XML file line       Error inflating class fragment might happen if you manipulate with getActivity   inside your fragment before onActivityCreated   get called  In such case you receive a wrong activity reference and can t rely on that   For instance the next pattern is wrong    Override public View onCreateView LayoutInflater inflater  ViewGroup container           Bundle savedInstanceState         final View view   inflater inflate R layout     container  false        Button button   getActivity   findViewById R id          button setOnClickListener       - another problem  button is null      return view      Correct pattern  1   Override public View onCreateView LayoutInflater inflater  ViewGroup container           Bundle savedInstanceState         final View view   inflater inflate R layout     container  false        Button button   view findViewById R id          button setOnClickListener            return view      Correct pattern  2   Override public void onActivityCreated Bundle savedInstanceState        super onActivityCreated savedInstanceState        Button button   getActivity   findViewById R id          button setOnClickListener

User · Answer

For me it was after scrolling in the stack trace i found im missing the permission for android permission ACCESS NETWORK STATE  after adding this permission it was fixed

User · Answer

make sure that u have used this one    lt meta-data             android name  com google android maps v2 API KEY              android value  AIzaSyBEwmfL0GaZmdVqdTxxxxxxxx-rVgvY    gt    not this     lt meta-data           android name  com google android gms version             android value  AIzaSyBEwmfL0GaZmdVqdTCvxxxxxxx-rVgvY    gt

User · Answer

If you want to inherit the AppCompatActivity  then you can do something like this- In the activity xml  use a FrameLayout like this-   lt FrameLayout     android id    id result fragment      android layout width  match parent      android layout height  match parent      android layout below    id progress frame   gt    and in the activity onCreate-  final FragmentManager supportFragmentManager   getSupportFragmentManager        FragmentTransaction ft   supportFragmentManager beginTransaction        ft replace R id result fragment  fphResultActivityFragment   result fragment        ft commitAllowingStateLoss

User · Answer

Fragments cannot be nested in XML  Learnt this the hard way - if you nest an XML layout based  lt fragment gt  tag inside a  potentially  dynamically loaded fragment from FragmentManager  then you start to get weird errors  trying to inflate your fragment xml   Turns out  that this is not supported - it will work fine if you do this through purely the FragmentManager approach   I was getting this problem because I was trying load a fragment inside a  lt DrawerLayout gt  from xml  and this was causing a crash in the onCreateView   method when I popped the back stack

User · Answer

I had the same error  I was digging all day long  don t know but I think I tried  25 solutions on this problem  None worked until at 2AM I found out that I was missing this line at apps manifest xml   lt meta-data android name  quot com google android gms version quot  android value  quot  integer google play services version quot    gt   That line was inside  lt application gt  tag  I really hope this helps for someone  GL

User · Answer

In your xml file just use a  instead of the  tag  The inflater tries to create an  android app Fragment from  which will fail on API  lt  10  So you need to create a view group of a different type

User · Answer

Make sure your Activity extends FragmentActivity or AppCompatActivity

User · Answer

If you are adding Fragment statically that is  in xml  then you might have missed to implement OnFragmentInteractionListener in your Activity class  Then the interface implementation would solve the problem  If you are adding Fragment dynamically  that is  in java class then this is not the solution  Because IDE itself will not allow you to proceed without implementing required interfaces

User · Answer

My simple approach  If you use  lt fragment gt  in your xml then you must provide name attribute i e           lt fragment          android name  path to your fragment           gt     which will initialise your fragment and you don t need to do it from java   If you want to use Java approach to add fragment then  use any layout like   lt LinearLayout    android id    id fragment container     gt    and use this container for your fragment  transaction replace R id fragment container  fragment obj

User · Answer

Just had this same error  The reason for mine was the visibility of my fragment class  It was set to default  should be public

User · Answer

My problem in this case was a simple instance of having a dumb null pointer exception in one of my methods that was being invoked later in the lifecycle  This was causing the  Error inflating class fragment  exception for me  In short  please remember to check the further down the exception stack trace for a possible cause   Once I resolved the null pointer exception  my fragment loaded fine

User · Answer

If you don t want to change anything and go with  fragment  tag  do this    lt fragment  android visibility  gone   Visibility will not work  just helps in removing frag from xml viewer  If you want the visibility to be gone make it in your fragment root element visibility gone   android layout width  match parent   android layout height  match parent   android name  com example YOUR FRAGMENT   This is important     gt

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Adding this to manifest solved my problem   lt uses-permission android name  android permission WRITE EXTERNAL STORAGE   gt

User · Answer

As hdemirchian said  make sure to use   import android support v4 app Fragment    And also make sure that the Activity that is using the fragment s  extends FragmentActivity instead of the regular Activity    import android support v4 app FragmentActivity    to get the FragmentActivity class

User · Answer

If you use obfuscation with Navigation component you need to exclude android s fragment and your args  Add these lines to your proguard-rules files       Exclude the fragments and argType for navigation component  -keep class   extends androidx fragment app Fragment   -keep class com safetonet presentation features parent adddevice model PresentableAddDeviceData

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This is one of the errors you could get If your activity is not registered on the manifest  Check and ensure that your activity is registered on the manifest  that could be the possible cause of your error

User · Answer

Check you class path  this could be the view inflator could not find your class definition as defined in your xml class  de androidbuch activiti task TaskDetailsFragment  the above path could be wrong

User · Answer

I was receiving this error for different reasons   Steps to reproduce      My issue was that I created a brand new blank application       I then generated a custom fragment from the File    New File Menu       Proceeded to customize the fragment by adding layouts and buttons etc      Referenced the new custom fragment in the auto generated activity my xml that was generated for me when creating the application  Doing this allowed the XML to generate the objects for me    Heres is the catch when generating the custom fragment via File    New File Menu it auto generates an interface function stub and places it at the bottom of the fragment class file    This means that your MyActivity class must implement this interface  If it does not then the the above error occurs only when referencing the fragment from xml  By removing the reference for the Fragment in the XML completely  and creating the fragment through code in the MyActivity java class file Logcat generates a more concise error explaining the issue in detail and complaining about the interface  This is demonstrated in the Project Template Activity Fragment  Although   lt  that Project Template does not generate the interface stub

User · Answer

If your fragment is a List Fragment then the activity which uses that fragment must implement the onFragmentInteraction interface

User · Answer

Make sure your Activity extends FragmentActivity

User · Answer

I was receiving this error in android studio the problem was that my fragment had a relative layout while the code on the OnCreateView function was  mDrawerListView    ListView  inflater inflate                  R layout fragment navigation drawer  container  false     is your code doing the same thing

User · Answer

I got the same error  but my issue was that my fragment did not have an id in the xml layout of the parent activity

User · Answer

I did not have the androidx fragment fragment dependency  You can get the latest version from the Jetpack  AndroidX docs  dependencies       def fragment version    quot 1 2 5 quot          Java language implementation     implementation  quot androidx fragment fragment  fragment version quot         Kotlin     implementation  quot androidx fragment fragment-ktx  fragment version quot         Testing Fragments in Isolation     debugImplementation  quot androidx fragment fragment-testing  fragment version quot

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Had the same error type  where exactly the same error message in logcat was displayed  I needed to make changes in the Java Build Path located under Project- gt Properties  I had included Google Maps related libraries like android-support-v4 jar and google-play-services jar  however I was missing including these on the  Build class path  in the  Order and Export  option menu  Maybe the error lies here    Try including libraries to the build class path    The order of which the classes are built might also trigger the error  so my advice is also to try to rearrange the order of the building path  The error disappeared when I used the following order   my project name src - gt  my project name gen - gt  Android Private Libraries   The last unit contains the jar files mentioned earlier

User · Answer

I was having the same problem as you are facing  None of the tips on top helped me  Later  I found that all I had to do is fix my imports from   import android app Fragment    to   import android support v4 app Fragment

User · Answer

If you have separate layout files for portrait and landscape modes and are getting an inflation error whenever you change orientation after clicking an item  there is most likely a discrepancy between your layout files   When you get the error  is it only when you click the item in landscape mode or only in portrait mode or both  Does your TaskDetailsFragment activity use a layout file that could have discrepancies between landscape and portrait modes

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None of the solutions mentioned above helped me  In the log I could find the detail of the exception as mentioned below   06-19 16 20 37 885  E AndroidRuntime 23973   Caused by  java lang RuntimeException  API key not found   Check that  meta-data  android name  com google android maps v2 API KEY  android value  your API key   is in the application element of AndroidManifest xml    I did this and my code was working    lt meta-data  android name  com google android maps v2 API KEY  android value  AIzaSyCl1yGPZ3mpxxxxxxxAz2R-t7zcWVzrHUL9k   gt   lt  application gt

User · Answer

In my case       android view InflateException   Binary XML file line  24  Error inflating class fragment     Caused by  java lang InstantiationException   class   HomeFragment has no zero argument constructor       After I added the empty constructor  it s resolved   public HomeFragment

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I had a similar problem  after running the AdMob example  I tried to insert Ads in my app  causing this error   01-02 16 48 51 269    8199-8199 it dndc BreathPlot E AndroidRuntime  FATAL EXCEPTION  main java lang IllegalStateException  Could not execute method of the activity  Caused by  android view InflateException  Binary XML file line  57  Error inflating class fragment   The solution is  you cannot insert the fragment for an Ad into a ListActivity  Instead  I could add it to a FragmentActivity and to an ActionBarActivity without any problem   My suggestion is  start from the AdMob example and add into it your existing app  I would have saved a lot of time

User · Answer

Make sure there is no exception raised in the onCreateView method of the fragment  If any exception is raised in this method  logcat won t show exact details of the exception  instead it always shows the message    Caused by  java lang ClassNotFoundException  Didn t find class  android view fragment   on path  DexPathList  zip file   data app com package base apk    nativeLibraryDirectories   data app com package lib arm64   vendor lib64   system lib64   at dalvik system BaseDexClassLoader findClass BaseDexClassLoader java 56

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I added an id to my fragment that s it everything works fine  Before this  I changed the manifests file as mentioned above but didn t solve my error  When you see error try to read it fully you ll get to know why there is an error  In my case  in the middle of the error trace  it was shown that the fragment id is missing    lt fragment        android layout width  0dp         android layout weight  2         android layout height  match parent         class  com example mydemofragmentapp FoodListFragment         android id    id none   gt

User · Answer

After one day struggle i found some scenario check may be you are facing same      If everything is woking same as google code then please check manifest file in my case i added geo key and map key that s why exception occurs    Note - do not add two keys in manifest file remove map key  meta-data         android name  com google android maps v2 API KEY          android value   string google maps key   gt    above code and add this code     lt meta-data         android name  com google android geo API KEY          android value   string auto location   gt     lt meta-data         android name  com google android gms version          android value   integer google play services version   gt

User · Answer

If your TaskDetailsFragment extending android app Fragment  do change in  onCreateView     Return your view which you want to show in the Fragment or convert your Layout to view by using LayoutInflater and return it     Override public View onCreateView LayoutInflater inflater  ViewGroup container  Bundle savedInstanceState        View mainview   inflater inflate R layout main  null       return mainview      Hope this works

[android] Error inflating class fragment

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