Error inflating class android support v7 widget Toolbar

Question

I am trying to get Material Design for my App by following this method   Whenever I run the App it shows the following error       Error inflating class android support v7 widget Toolbar     I checked whether I have added the appcompat properly  But it is all Correct to me  So please tell me what am I doing wrong     build gradle  apply plugin   com android application   android       compileSdkVersion 21     buildToolsVersion  21 0 2       defaultConfig           applicationId  io bxbxbai feedlistviewdemo          minSdkVersion 14         targetSdkVersion 21         versionCode 1         versionName  1 0            buildTypes           release               runProguard false             proguardFiles  proguard-rules pro                     configurations       all  exclude group   com android support   module   support-v4     dependencies       compile fileTree include      jar    dir   libs       compile project   materialDesign       compile  com balysv materialmenu material-menu 1 4 0      compile  com android support appcompat-v7 21        Logcat  02 11 641  20583-20583 io bxbxbai feedlistviewdemo E AndroidRuntime  FATAL EXCEPTION  main     Process  io bxbxbai feedlistviewdemo  PID  20583     java lang RuntimeException  Unable to start activity ComponentInfo io bxbxbai feedlistviewdemo io bxbxbai androiddemos MainActivity   android view InflateException  Binary XML file line  3  Error inflating class android support v7 widget Toolbar             at android app ActivityThread performLaunchActivity ActivityThread java 2224              at android app ActivityThread handleLaunchActivity ActivityThread java 2283              at android app ActivityThread access 800 ActivityThread java 144              at android app ActivityThread H handleMessage ActivityThread java 1205              at android os Handler dispatchMessage Handler java 102              at android os Looper loop Looper java 136              at android app ActivityThread main ActivityThread java 5158              at java lang reflect Method invokeNative Native Method              at java lang reflect Method invoke Method java 515              at com android internal os ZygoteInit MethodAndArgsCaller run ZygoteInit java 796              at com android internal os ZygoteInit main ZygoteInit java 612              at dalvik system NativeStart main Native Method       Caused by  android view InflateException  Binary XML file line  3  Error inflating class android support v7 widget Toolbar             at android view LayoutInflater createView LayoutInflater java 620              at android view LayoutInflater createViewFromTag LayoutInflater java 696              at android view LayoutInflater parseInclude LayoutInflater java 816              at android view LayoutInflater rInflate LayoutInflater java 745              at android view LayoutInflater inflate LayoutInflater java 492              at android view LayoutInflater inflate LayoutInflater java 397              at android view LayoutInflater inflate LayoutInflater java 353              at android support v7 app ActionBarActivityDelegateBase setContentView ActionBarActivityDelegateBase java 228              at android support v7 app ActionBarActivity setContentView ActionBarActivity java 102              at io bxbxbai androiddemos MainActivity onCreate MainActivity java 31              at android app Activity performCreate Activity java 6144              at android app Instrumentation callActivityOnCreate Instrumentation java 1087              at android app ActivityThread performLaunchActivity ActivityThread java 2181                          at android app ActivityThread handleLaunchActivity ActivityThread java 2283                          at android app ActivityThread access 800 ActivityThread java 144                          at android app ActivityThread H handleMessage ActivityThread java 1205                          at android os Handler dispatchMessage Handler java 102                          at android os Looper loop Looper java 136                          at android app ActivityThread main ActivityThread java 5158                          at java lang reflect Method invokeNative Native Method                          at java lang reflect Method invoke Method java 515                          at com android internal os ZygoteInit MethodAndArgsCaller run ZygoteInit java 796                          at com android internal os ZygoteInit main ZygoteInit java 612                          at dalvik system NativeStart main Native Method       Caused by  java lang reflect InvocationTargetException             at java lang reflect Constructor constructNative Native Method              at java lang reflect Constructor newInstance Constructor java 423              at android view LayoutInflater createView LayoutInflater java 594                          at android view LayoutInflater createViewFromTag LayoutInflater java 696                          at android view LayoutInflater parseInclude LayoutInflater java 816                          at android view LayoutInflater rInflate LayoutInflater java 745                          at android view LayoutInflater inflate LayoutInflater java 492                          at android view LayoutInflater inflate LayoutInflater java 397                          at android view LayoutInflater inflate LayoutInflater java 353                          at android support v7 app ActionBarActivityDelegateBase setContentView ActionBarActivityDelegateBase java 228                          at android support v7 app ActionBarActivity setContentView ActionBarActivity java 102                          at io bxbxbai androiddemos MainActivity onCreate MainActivity java 31                          at android app Activity performCreate Activity java 6144                          at android app Instrumentation callActivityOnCreate Instrumentation java 1087                          at android app ActivityThread performLaunchActivity ActivityThread java 2181                          at android app ActivityThread handleLaunchActivity ActivityThread java 2283                          at android app ActivityThread access 800 ActivityThread java 144                          at android app ActivityThread H handleMessage ActivityThread java 1205                          at android os Handler dispatchMessage Handler java 102                          at android os Looper loop Looper java 136                          at android app ActivityThread main ActivityThread java 5158                          at java lang reflect Method invokeNative Native Method                          at java lang reflect Method invoke Method java 515                          at com android internal os ZygoteInit MethodAndArgsCaller run ZygoteInit java 796                          at com android internal os ZygoteInit main ZygoteInit java 612                          at dalvik system NativeStart main Native Method       Caused by  java lang NoSuchMethodError  android support v4 content ContextCompat getDrawable             at android support v7 internal widget TintManager getDrawable TintManager java 133              at android support v7 internal widget TintTypedArray getDrawable TintTypedArray java 62              at android support v7 widget Toolbar  lt init gt  Toolbar java 248              at android support v7 widget Toolbar  lt init gt  Toolbar java 190                          at java lang reflect Constructor constructNative Native Method                          at java lang reflect Constructor newInstance Constructor java 423                          at android view LayoutInflater createView LayoutInflater java 594                          at android view LayoutInflater createViewFromTag LayoutInflater java 696                          at android view LayoutInflater parseInclude LayoutInflater java 816                          at android view LayoutInflater rInflate LayoutInflater java 745                          at android view LayoutInflater inflate LayoutInflater java 492                          at android view LayoutInflater inflate LayoutInflater java 397                          at android view LayoutInflater inflate LayoutInflater java 353                          at android support v7 app ActionBarActivityDelegateBase setContentView ActionBarActivityDelegateBase java 228                          at android support v7 app ActionBarActivity setContentView ActionBarActivity java 102                          at io bxbxbai androiddemos MainActivity onCreate MainActivity java 31                          at android app Activity performCreate Activity java 6144                          at android app Instrumentation callActivityOnCreate Instrumentation java 1087                          at android app ActivityThread performLaunchActivity ActivityThread java 2181                          at android app ActivityThread handleLaunchActivity ActivityThread java 2283                          at android app ActivityThread access 800 ActivityThread java 144                          at android app ActivityThread H handleMessage ActivityThread java 1205                          at android os Handler dispatchMessage Handler java 102                          at android os Looper loop Looper java 136                          at android app ActivityThread main ActivityThread java 5158                          at java lang reflect Method invokeNative Native Method                          at java lang reflect Method invoke Method java 515                          at com android internal os ZygoteInit MethodAndArgsCaller run ZygoteInit java 796                          at com android internal os ZygoteInit main ZygoteInit java 612                          at dalvik system NativeStart main Native Method    EDIT  toolbar xml   lt  xml version  1 0  encoding  utf-8   gt    lt android support v7 widget Toolbar     xmlns android  http   schemas android com apk res android      android id    id toolbar      android layout width  match parent      android layout height  wrap content      android background   attr colorPrimaryDark   gt    activity main xml    lt RelativeLayout xmlns android  http   schemas android com apk res android          xmlns tools  http   schemas android com tools          android id    id container          android layout width  match parent          android layout height  match parent          android orientation  vertical          tools context   MainActivity          tools ignore  MergeRootFrame  gt            lt include android id    id toolbar  layout   layout toolbar    gt            lt Button             android layout width  match parent              android layout height  wrap content              android id    id btn feed list demo              android text   string feed list demo   gt        lt  RelativeLayout gt

User · Answer

For me  the error was that I had        lt android support v7 widget Toolbar         android id    id toolbar          android layout width  match parent          android layout height   attr actionBarSize   gt    instead of        lt android support v7 widget Toolbar         android id    id toolbar          android layout width  match parent          android layout height   attr actionBarSize   gt    Specifically  I had a colon between  android  and  support  on the first line instead of a period

User · Answer

I have solved this Issue by this blog http   android-developers blogspot com 2014 10 appcompat-v21-material-design-for-pre html  The problem is you use the wrong theme you can choose theme that like Theme AppCompat NoActionBar  in my project it works   I hope to help you

User · Answer

Please read this Google Blog post  http   android-developers blogspot com 2014 10 appcompat-v21-material-design-for-pre html   lt android support v7 widget Toolbar     android id    id my awesome toolbar      android layout height  wrap content      android layout width  match parent      android minHeight   attr actionBarSize      android background   attr colorPrimary    gt    Also  you are giving it the same  ID  twice  please remove the  id  from your include    lt include android id    id toolbar  layout   layout toolbar    gt

User · Answer

In my case  a problem was in calling inflater inflate R layout some layout  null   Null as ViewGroup parameter was the problem

User · Answer

None of the above solutions worked for me   I didn t have a toolbar in my project  but got the same error   I cleaned up the project  uninstalled the app  Then I ran a gradlew build --refresh-dependencies  and found out there were some onclick events without corresponding code in the xml files    I removed them  rebuilt the project  and it worked   The dependencies didn t seem like were updated  but that s another story

User · Answer

If you are using new androidx implementations  when typing Toolbar  the Studio will autocomplete it to android support v7 widget Toolbar  but you should use androidx appcompat widget Toolbar instead  otherwise you will get this error

User · Answer

I was able to solve this problem by replacing the following   In the Toolbar layout  replace everything which is like this   android minHeight   attr actionBarSize  android background   attr colorPrimary    with  android minHeight   dimen abc action bar default height material  android background   color myColor

User · Answer

I know this is an old question  but I recently ran into this same issue  It ended up being a Proguard problem  when I set minifyEnabled to false it stopped happening    To stop it  with proguard enabled  I added the following to my proguard rules file  thanks to a solution I found elsewhere  after discovering that the problem was proguard   -dontwarn android support v7    -keep class android support v7           -keep interface android support v7             Not sure if they re necessary  but I also added these lines   -keep class com google           -keep interface com google

User · Answer

In the case of Xamarin in VS  you must add  Theme     style MyThemesss    to youractivity cs   I add this and go on

User · Answer

I had issues including toolbar in a RelativeLayout  try with LinearLayout  If you want to overlay the toolbar  try with     lt RelativeLayout gt        lt LinearLayout gt        --INCLUDE tOOLBAR--      lt  LinearLayout gt        lt Button gt  lt  Button gt     lt  RelativeLayout gt    I don t understand why but it works for me

User · Answer

I have fixed this problem by modifying app build gradle file    For Gradle Plugin 2 0      android        defaultConfig          vectorDrawables useSupportLibrary   true                  For Gradle Plugin 1 5     android        defaultConfig           generatedDensities                 aaptOptions         additionalParameters  --no-version-vectors

User · Answer

Problem was for pre-lolipop devices  I was able to solve this problem by replacing the following   In the Toolbar layout  replace everything which is like this   android layout height   android attr actionBarSize  android background   android attr colorPrimary    with  android layout height   attr actionBarSize  android background   color colorPrimary

User · Answer

To fix this problem   first you must add latestandroid-support-v7-appcompat from the   sdk extras android support   Close the main project  Remove the android-support-v7-appcompat   Restart the Eclipse  Add the  android-support-v7-appcompat   Clean To build the project  Then open the main project and build all the projects  The error still remains  Restart eclipse  That s it    That works for me and I will strongly recommend you to use Android Studio

User · Answer

The solution to the problem for me was found in the XML document for my Main Activity   Originally my toolbar was  lt android support v7 widget Toolbar  To resolve this I changed it to  lt android widget Toolbar  I do not know why this worked though   Does anyone have any insight as to why

User · Answer

I faced with same problem   Solution that worked for me   If you use v7 Toolbar you must use theme extended from Theme AppCompat   You can t use theme extended from android Theme Material   because they have different style attributes   Hope it will helpful

User · Answer

In my case I was getting this error in Inflation exception on Imageview   in the lower versions and lollipop OS   I resolved this exception when moving all image file in drawable v-24 folder to drawable folder

User · Answer

I removed these lines as below    before     lt android support v7 widget Toolbar     android id    id toolbar1      android layout width  match parent      android layout height   attr actionBarSize      android minHeight   attr actionBarSize      android layout alignParentTop  true   gt    after     lt android support v7 widget Toolbar     android id    id toolbar1      android layout width  match parent      android layout height  50dp      android layout alignParentTop  true   gt    Instead of   attr actionBarSize  put specific dimens it works for me

User · Answer

I had the same issue as i was using the 23 2 0 version of AppCompat Library  I updated the suppport library to 23 2 1 and the problem was solved   This Issue of Toolbar has been resolved in 23 2 1

User · Answer

I face the same problem but that was after I had updated to appcompatv23 2 0  I tried all the above suggestions but dint work  Then I proceeded to my Gradle file and replaced   dependencies   compile  com android support appcompat-v7 23 2 0    compile  com android support design 23 2 0       with   dependencies   compile  com android support appcompat-v7 23 0 1  compile  com android support design 23 0 1      Rebuild the project and the issue was gone  It could be an issue with app compact v23 2 0  hopefully a better solution coming up so we can work with the new update   Hope this helps  Thank you

User · Answer

This worked for me  Add   compile  com android support appcompat-v7 21 0 3  to the gradle   Change the sdk target to 21  Hope it works for you

User · Answer

For me it worked after I did    Cleaning solution   Deleting the app from the phone I ve debugged it    at   Closing Visual Studio  Deleting folders  bin  and  obj  in android projects  Launching solution again

User · Answer

This happened to me when I tried to use my older code in new android with androidx implementations  change your XML definition to    lt androidx appcompat widget Toolbar             android id    id toolbar              android layout width  match parent              android layout height   attr actionBarSize              android background   color colorPrimary              android theme   style ThemeOverlay AppCompat ActionBar              app titleTextColor   android color white    gt    then in your java code   import androidx appcompat widget Toolbar

User · Answer

It is unclearly why this error happened with me but I solved  I used same layout  in-line or using include  both of them cause NPE error  So I think it s not layout issue   I had an abstract class call BaseActivity extends ActionBarActivity which have initActionBar   method  I override and call this method in OnCreate of child class  Something like that   android support v7 app ActionBar mActionBar    Override protected void onCreate Bundle savedInstanceState           TODO Auto-generated method stub     super onCreate savedInstanceState       setContentView R layout activity book appointment           Inject View using ButterKnife     ButterKnife inject this           Init toolbar  amp  status bar     initActionBar        Override protected void initActionBar         super initActionBar         setSupportActionBar mToolBar       getSupportActionBar   setDisplayHomeAsUpEnabled true        mActionBar   getSupportActionBar        mActionBar setDisplayHomeAsUpEnabled true       mActionBar setHomeButtonEnabled true       I HAD NPE ERROR WITH ABOVE CODE  I DON T KNOW WHY I M WRONG  I SOLVE BY BELOW CODE AND IT S LOOK SAME    Override protected void onCreate Bundle savedInstanceState           TODO Auto-generated method stub     super onCreate savedInstanceState       setContentView R layout activity book appointment       ButterKnife inject this        setSupportActionBar mToolBar       getSupportActionBar   setDisplayHomeAsUpEnabled true        mActionBar   getSupportActionBar        mActionBar setDisplayHomeAsUpEnabled true       mActionBar setHomeButtonEnabled true        initActionBar        Override protected void initActionBar         super initActionBar

User · Answer

Sorry Guys  I have solved this Issue long ago  I did a lot of changes  So I can t figure out which one does the trick    I have changed the id as suggested by Jared Burrows  Removed my support library and cleaned my project and Re added it  Go to File -  Invalidate Caches Restart    Hope it works   This is how my code looks now  activity xml   lt  xml version  1 0  encoding  utf-8   gt   lt RelativeLayout     xmlns android  http   schemas android com apk res android      xmlns app  http   schemas android com apk res-auto      android layout width  match parent      android layout height  match parent  gt        lt include         android id    id toolbar actionbar          layout   layout toolbar default          android layout width  match parent          android layout height  wrap content   gt        lt android support v4 widget DrawerLayout         android id    id drawer          xmlns android  http   schemas android com apk res android          android layout width  match parent          android layout height  match parent          android layout below    id toolbar actionbar  gt            lt FrameLayout             android id    id container              android layout width  match parent              android layout height  match parent   gt            lt fragment             android id    id fragment drawer              android name  com arul anahy drawer NavigationDrawerFragment              android layout width   dimen navigation drawer width              android layout height  match parent              android layout gravity  start              app layout   layout fragment navigation drawer   gt       lt  android support v4 widget DrawerLayout gt   lt  RelativeLayout gt    toolbar default xml   lt  xml version  1 0  encoding  utf-8   gt   lt android support v7 widget Toolbar     style   style ToolBarStyle      xmlns android  http   schemas android com apk res android      android layout width  match parent      android layout height  wrap content      android background   attr colorPrimary      android minHeight   dimen abc action bar default height material   gt    ToolBarStyle   lt style name  ToolBarStyle  parent    gt           lt item name  popupTheme  gt  style ThemeOverlay AppCompat Light lt  item gt           lt item name  theme  gt  style ThemeOverlay AppCompat Dark ActionBar lt  item gt    lt  style gt

[android] Error inflating class android.support.v7.widget.Toolbar?

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