Android Material and appcompat Manifest merger failed

Question

I have next grade

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:28.0.0-rc01'
    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
    implementation 'com.google.android.material:material:1.0.0-rc01'
}

But when I want to build app I get next log:

Manifest merger failed : Attribute application@appComponentFactory value=(android.support.v4.app.CoreComponentFactory) from [com.android.support:support-compat:28.0.0-alpha3] AndroidManifest.xml:22:18-91
    is also present at [androidx.core:core:1.0.0-alpha3] AndroidManifest.xml:22:18-86 value=(androidx.core.app.CoreComponentFactory).
    Suggestion: add 'tools:replace="android:appComponentFactory"' to <application> element at AndroidManifest.xml:5:5-19:19 to override.

Okey! Go to manifest and do it:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    package="ru.chopcode.myapplication">

    <application
        tools:replace="android:appComponentFactory"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
    </application>

</manifest>

Then I get this error in my Logcat:

Manifest merger failed with multiple errors, see logs that I have Linked with it

Try removing these lines: implementation 'com.android.support:appcompat-v7:28.0.0-rc01' and implementation 'com.android.support.constraint:constraint-layout:1.1.2' — vcapra1, Aug 10 '18 at 20:06
I think material packages are all bundled into android-design, check it out... — Marcos Vasconcelos, Aug 10 '18 at 20:09
I need this: https://material.io/design/components/app-bars-bottom.html. This is into android-design? — Евгений Усов, Aug 10 '18 at 20:19
You can check this one too : https://stackoverflow.com/a/54825603/1318946 — Pratik Butani, Feb 22 '19 at 11:44
New android studio have feature to migrate your application to androidX smoothly. follow below link. https://github.com/material-components/material-components-android/issues/193#issuecomment-451296773 — Ravi Jaggarapu, Oct 21 '19 at 10:25

score 472 · Answer 1 · edited Dec 23 '18 at 15:23

472

I had similar problem. Added two lines in gradle.properties file:

android.useAndroidX=true
android.enableJetifier=true

These two lines automatically resolved my dependency conflicts between google's files and third party dependencies. Here's the link to follow: https://developer.android.com/topic/libraries/support-library/androidx-overview#new-project

edited Dec 23 '18 at 15:23

SilverNak

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answered Sep 29 '18 at 03:23

Abir Hasan

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android.useAndroidX=true – Frank Fang Oct 12 '18 at 01:36
6

after added this following error happens ``` * What went wrong: Execution failed for task ':react-native-camera:compileGeneralDebugJavaWithJavac'. > Compilation failed; see the compiler error output for details. * Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights. ``` – Dileepa Chandima Jun 18 '19 at 05:28
@PrinceHamza check this we found a solution for this https://github.com/facebook/react-native/issues/25292#issuecomment-503070043 – Dileepa Chandima Jun 18 '19 at 16:29
10

This should be the accepted answer. This solved the problem. – VishalKale Jul 02 '19 at 08:25
You saved my day! Thanks. – deinier Jul 03 '19 at 19:20
2

"But I don't see a 'gradles.properties file' "!. Yes, so in the app's root folder in studio project , create that file (no extension) and adds those lines. – user1010160 Jul 13 '19 at 05:44
After do this I have got `Could not set unknown property 'useAndroidX' for object of type com.android.build.gradle.AppExtension.` error – Prince Dholakiya Jul 19 '19 at 06:31
it worked for me but i have to change all tags in xml files that use support library like constraintLayout and toolbar and in the java classes either! it take a long time. – masoudmjm Aug 26 '19 at 13:02
Thanks brother! Searched for over an hour! – Dec 15 '19 at 12:34
android.enableJetifier=true worked for me ... the androidX reference was already there. +1 – user10186832 May 01 '21 at 12:32

score 147 · Answer 2 · answered Nov 10 '18 at 20:03

147

I faced same error when i try to add Kotlin-KTX library to my project.

I try to AndroidX migration, and problem fixed!

answered Nov 10 '18 at 20:03

Mete

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This works, but some of the import statements that it generates use outdated package names. I had to fix a bunch of them, just by using whichever `androidx.*` package name the IDE suggested as a fix. – Andrew Koster Jun 01 '19 at 23:15
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@Mete this answer has saved my life. Can I buy you a beer? – girish_vr Jul 11 '19 at 07:34
@girish_vr Thanks for offer :) I'm glad it's worked, that is enough to make me smile. – Mete Jul 12 '19 at 07:33
I ran into this issue because I was pulling the latest release of "support-v4" library in my build.gradle file...not a good practice. Had I been referencing a specific version of the library within my gradle file, I would have never run into this issue in the first place. Also, after I researched a little more, I could see that Google was recommending switching to the AndroidX library; so, I decided to bite the bullet. Fortunately, all problems resolved after the upgrade...disaster averted and LESSON LEARNED about the gradle references. – BluJ IT Jul 27 '19 at 17:21

score 105 · Answer 3 · edited Jun 20 '20 at 09:12

Reason of Fail

You are using material library which is part of AndroidX. If you are not aware of AndroidX, please go through this answer.

One app should use either AndroidX or old Android Support libraries. That's why you faced this issue.

For example -

In your gradle, you are using

com.android.support:appcompat-v7 (Part of old --Android Support Library--)
com.google.android.material:material (Part of AndroidX) (AndroidX build artifact of com.android.support:design)

Solution

So the solution is to use either AndroidX or old Support Library. I recommend to use AndroidX, because Android will not update support libraries after version 28.0.0. See release notes of Support Library.

Just migrate to AndroidX.Here is my detailed answer to migrate to AndroidX. I am putting here the needful steps from that answer.

Before you migrate, it is strongly recommended to backup your project.

Existing project

Android Studio > Refactor Menu > Migrate to AndroidX...
It will analysis and will open Refractor window in bottom. Accept changes to be done.

New project

Put these flags in your gradle.properties

android.enableJetifier=true
android.useAndroidX=true

Check @Library mappings for equal AndroidX package.

Check @Official page of Migrate to AndroidX

What is Jetifier?

Still had an error afterwards, but this answer helped: https://stackoverflow.com/a/49525685/1972372 — Big_Chair, Mar 12 '19 at 13:29
Please remember to Click "Do refactor" in the bottom left after clicking "Migrate to AndroidX" — SupaHam, Aug 08 '19 at 20:51

score 92 · Answer 4 · edited Apr 12 '19 at 18:42

92

In my case, this is working perfectly.. I have added below two line codes inside manifest file

tools:replace="android:appComponentFactory"
android:appComponentFactory="whateverString"

Credit goes to this answer.

edited Apr 12 '19 at 18:42

Gabor

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answered Nov 08 '18 at 05:38

Muhaiminur Rahman

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I do not know if I will have a problem in my app later on, but it worked! – Aliton Oliveira Jun 07 '19 at 16:57
4

Yes I had a problem: **More than one file was found with OS independent path 'META-INF/androidx.core_core.version** – Aliton Oliveira Jun 07 '19 at 17:37
3

then i get an error stating tools is not bound to the application tag. – Travis Delly Jun 26 '19 at 23:08
Can you post full logcat? – Muhaiminur Rahman Jun 27 '19 at 04:46
I had to tools to the namespace: https://github.com/magus/react-native-facebook-login/issues/233#issuecomment-293251545 – Johannes Filter Jul 18 '19 at 21:16
can you elaborate? @Johannes – Muhaiminur Rahman Jul 23 '19 at 06:11
I am getting the error "The prefix "tools" for attribute "tools:replace" associated with an element type "application" is not bound." – Biranchi Dec 25 '19 at 03:38
You've saved my day :) – Burhanuddin Rashid Dec 25 '19 at 06:03
This solution works also on Xamarin. I had to add the tools namespace `xmlns:tools="https://schemas.android.com/tools"` to the `manifest` tag and I used `androidx` as appComponentFactory in place of `whateverString ` – gianlucaparadise Dec 01 '20 at 11:14

E J Chathuranga · Answer 5 · 2019-07-26T01:07:17.703

29

Simple Solutions - migrate into AndroidX

in the gradle.properties, just add below two scripts

android.useAndroidX=true
android.enableJetifier=true

What was the reason ↓

All packages in AndroidX live in a consistent namespace starting with the string androidx. The Support Library packages have been mapped into the corresponding androidx.* packages. For a full mapping of all the old classes and build artifacts to the new ones, see the Package Refactoring page.

Please see the Package Refactoring page

edited Jul 26 '19 at 01:07

answered Jun 12 '19 at 11:57

E J Chathuranga

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There is no such file gradle.properties in my project. (It is originally created in eclipse years ago and later moved to android studio) – Sujith Manjavana Jul 12 '19 at 09:43
Oh... I didn't face such a situation, I found below thread that might help you https://stackoverflow.com/a/37389861/6917362 Try and do comment please – E J Chathuranga Jul 12 '19 at 11:18
Just create that file near main build.gradle if it does not exists and sync the project. – Fedir Tsapana Jan 06 '20 at 17:29

score 15 · Accepted Answer · answered Aug 10 '18 at 20:27

15

Just change "rc01" in first and last line inside dependencies to "alpha1" This is working for me

answered Aug 10 '18 at 20:27

Anubhav Gupta

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More than one file was found with OS independent path 'META-INF/androidx.core_core.version – Aliton Oliveira Jun 07 '19 at 17:44
42

I dont have "rc01" written in implementation 'com.android.support:appcompat-v7:28.0.0'. Still getting the issue. Please suggest some solution. – avani kothari Jun 18 '19 at 14:09
12

This answer should have been a comment to the question. – Ananth Jul 06 '19 at 11:37
Why does this work? – Sarah Cohen Feb 19 '21 at 17:34

score 13 · Answer 7 · edited Jun 20 '20 at 09:12

Just remove the android.support dependancy

    implementation 'com.android.support:appcompat-v7:28.0.0-rc01'

Quoting From Material Guidelines

If you don’t want to switch over to the new androidx and com.google.android.material packages yet, you can use Material Components via the com.android.support:design:28.0.0-alpha3 dependency.

Note: You should not use the com.android.support and com.google.android.dependencies in your app at the same time.

Just removing this dependency works fine

    implementation 'com.android.support:appcompat-v7:28.0.0-rc01'

Here is complete dependencies example

    dependencies {
       implementation fileTree(dir: 'libs', include: ['*.jar'])
       implementation 'com.google.android.material:material:1.0.0-beta01'
       implementation 'com.android.support.constraint:constraint-layout:1.1.2'
       testImplementation 'junit:junit:4.12'
       androidTestImplementation 'com.android.support.test:runner:1.0.2'
       androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
   }

@FranMarzoa It is not. What happens when the compat library is imported from another dependency? — m0skit0, Jun 04 '19 at 15:07
@m0skit0 that you'd have to post a different question here, I guess... ;) — Fran Marzoa, Jun 11 '19 at 10:23

score 13 · Answer 8 · answered Aug 20 '18 at 07:26

13

As of Android P, the support libraries have been moved to AndroidX

Please do a refactor for your libs from this page.

https://developer.android.com/topic/libraries/support-library/refactor

answered Aug 20 '18 at 07:26

Mughil

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score 12 · Answer 9 · answered Aug 21 '19 at 06:44

12

See This Image and Add This line in your android AndroidManifest.xml

tools:replace="android:appComponentFactory"
android:appComponentFactory="whateverString"

answered Aug 21 '19 at 06:44

Prashant Arvind

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whatever string means ? – Kishore Kumar Nov 25 '19 at 12:24
@KishoreKumar you can add any string name like appName also. – Prashant Arvind Nov 27 '19 at 07:11
to be precise, whateverString should be a full class name which extends AppComponentFactory. for example, a custom defined class com.xxx.MyFactory extends AppComponentFactory – jiashie Jun 10 '20 at 09:27

Ajay · Answer 10 · 2019-09-17T11:20:17.107

11

Add these lines inside in AndroidManifest.xml file.

tools:replace="android:appComponentFactory"

android:appComponentFactory="whateverString"

edited Sep 17 '19 at 11:20

answered Jun 21 '19 at 15:45

Ajay

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tools is becoming red when adding it. is there other things needed to add? – natsumiyu Jul 23 '19 at 07:16
No nothing more to add. One reason maybe is ur gradle version is mismatched. Can u show ur AndroidManifest.xml file code? – Ajay Jul 23 '19 at 11:10
I tried migrating to androidx and I keep having Execution failed for task ':app:compileDebugJavaWithJavac'. > Compilation failed; see the compiler error output for details. – natsumiyu Jul 24 '19 at 03:41
Here is my android manifest – natsumiyu Jul 24 '19 at 03:42
1

Great Solution , Saved my time. – Umair Iqbal Dec 19 '19 at 11:00

score 11 · Answer 11 · edited Apr 08 '20 at 08:08

11

Please go to Refactor->Migrate->Migrate to Android X.

Please add this to your gradle.properties file:

android.enableJetifier=true
android.useAndroidX=true

And perform Sync.

edited Apr 08 '20 at 08:08

Satan Pandeya

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answered Jul 29 '19 at 06:57

Girish B.R

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Can you please explain, what is your situation now? – Girish B.R Jul 31 '19 at 06:10
The project i inherited is half a decade old. I tried to implement new Fabric/Firebase analytics that google is pushing. And that new library is using androidx compatibility libraries, and my project uses AppCompat. Now, i had to deal with tons of dependency updates and stuff. I came to a halt, and then tried various things, including these commands, and i need them because of new Firebase stuff. After i turned this on i got tons of compiler errors. Fixed that but now i have errors coming from ui xml files.. So i will have to abandon everything, and try with older versions. – Martin Berger Aug 01 '19 at 10:58
After one more hour of manually fixing class namespaces to androidx, it seems to work now. Trouble is, compiler could not detect in xml that for example: "android.support.v7.widget.AppCompatSpinner" needs to be "androidx.appcompat.widget.AppCompatSpinner". This document came in handy: https://developer.android.com/jetpack/androidx/migrate – Martin Berger Aug 01 '19 at 12:08
Hope it's working now, let me know if anything goes wrong.We shall work on it! – Girish B.R Aug 03 '19 at 21:55
be very careful with this. it will effect the entire file tree. i was working in a real code area and almost refactored hundreds of files. isolate the projects in their own path before doing this. also beware if your using fragments it will change the fragment imports to: import androidx.fragment.app.Fragment; scary very scary – dcarl661 Feb 04 '21 at 22:44

score 10 · Answer 12 · edited Jun 19 '19 at 09:25

10

just add these two lines of code to your Manifest file

tools:replace="android:appComponentFactory"
android:appComponentFactory="whateverString"

edited Jun 19 '19 at 09:25

Jasurbek

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answered Jun 19 '19 at 08:57

Manoj Alwis

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score 8 · Answer 13 · answered Jan 12 '19 at 14:09

8

Follow these steps:

Goto Refactor and Click Migrate to AndroidX
Click Do Refactor

answered Jan 12 '19 at 14:09

BloodLoss

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This will not do the entire refactor :( – Mohsin Jun 18 '19 at 08:49

score 8 · Answer 14 · edited Apr 08 '20 at 08:07

8

Migrate to androidX if it an existing project. If it is new project add these two flags to Gradle.propeties

android.enableJetifier=true  
android.useAndroidX=true

for more detail steps https://developer.android.com/jetpack/androidx or check this What is AndroidX?

edited Apr 08 '20 at 08:07

Satan Pandeya

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answered Aug 01 '19 at 22:29

trustidkid

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Suraj Vaishnav · Answer 15 · 2020-01-06T10:15:00.400

Only If you don't want to use androidx

So in my case, I am using a library that was using androidx but I am not using androidx so when I downgraded that library version the problem was resolved.

In my Case:

implementation 'com.github.turing-tech:MaterialScrollBar:13.+'

the above-mentioned library makes problem 13.+ will automatically get a new version of the library which using androidx. So I downgraded library version to:

implementation 'com.github.turing-tech:MaterialScrollBar:13.2.5'

And the problem was resolved.

score 6 · Answer 16 · answered Feb 23 '19 at 12:44

This issue mainly happened for old dependencies.

There have 2 solution:

First one:

Update all old dependencies and ClassPaths from Project level gradle files.

classpath 'com.android.tools.build:gradle:3.3.1'
classpath 'com.google.gms:google-services:4.2.0'

Second one:

Your project Migrate to AndroidX

From Android Studio Menu -> Refanctor -> Migrate to AndroidX

Thanks, let me know if anyone help from this answer.

Manoj Alwis · Answer 17 · 2019-07-14T08:24:43.890

6

Finally found a quick and easy solution by adding two lines in the android/build.gradle file.

googlePlayServicesVersion = "16.+"

firebaseVersion = "17.6.0"

Please follow this 100% correct.

edited Jul 14 '19 at 08:24

answered Jun 21 '19 at 02:14

Manoj Alwis

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Where do even add this? – Travis Delly Jun 26 '19 at 23:10
Add this in android/build.gradle file – Manoj Alwis Jun 28 '19 at 02:38
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@ManojAlwis in which section of build.gradle file we need to put this? – Keval Langalia Jul 12 '19 at 10:41
@KevalLangalia, just add these two lines to android -> build.gradle file . eg: buildscript { ext { buildToolsVersion = "28.0.3" minSdkVersion = 19 compileSdkVersion = 28 targetSdkVersion = 28 supportLibVersion = "28.0.0" googlePlayServicesVersion = "16.+" firebaseVersion = "17.3.4" } – Manoj Alwis Jul 14 '19 at 08:27
1

really helpful... Thank you – Vasudev Vyas Jul 19 '19 at 04:52

Kashif Ahmed · Answer 18 · 2019-09-11T06:54:32.530

6

Its all about the library versions compatibility

I was facing this strange bug couple of 2 hours. I resolved this error by doing these steps

hange your build.gradle dependencies into

  implementation 'com.google.android.gms:play-services-maps:17.0.0'

to

  implementation 'com.google.android.gms:play-services-maps:15.0.0'

edited Sep 11 '19 at 06:54

answered Jul 27 '19 at 16:02

Kashif Ahmed

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Honestly i did the same and it worked, so i guess its all about the library versions compatibility after merging proccess – Milos Aug 16 '19 at 20:40

d4rkcon · Answer 19 · 2019-07-07T19:25:59.497

5

All I did was go to the "Refactor" option on the top menu.

Then select "Migrate to AndroidX"

Accept to save the project as a zip file.

Please update Android Studio as well as Gradle to ensure no problems are encountered.

edited Jul 07 '19 at 19:25

answered Jul 07 '19 at 18:31

d4rkcon

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score 4 · Answer 20 · answered Aug 10 '18 at 20:08

Create new project and compare your build.gradle files and replaced all

implementation 'com.android.support:appcompat-v7:27.1.1'
implementation 'com.android.support.constraint:constraint-layout:1.1.1'

and other dependencies with the same as were in a new project someting like that

implementation 'androidx.appcompat:appcompat:1.0.0-alpha3'

implementation 'androidx.constraintlayout:constraintlayout:1.1.2'

implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0-alpha1'

androidTestImplementation 'androidx.test:runner:1.1.0-alpha3'

androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha3'

implementation 'androidx.core:core-ktx:1.0.0-alpha3'

And then fixed imports to use androidx in kotlin files.

Because o some reason, I dont want to use androidx. – shaby Jan 06 '20 at 05:43 — shaby, Jan 06 '20 at 05:43

Attaullah · Answer 21 · 2019-07-21T03:18:53.457

1.Added these codes to at the end of your app/build.gradle:

configurations.all {
   resolutionStrategy.force 'com.android.support:support-v4:28.0.0' 
   // the above lib may be old dependencies version       
    }

2.Modified sdk and tools version to 28:

compileSdkVersion 28
buildToolsVersion '28.0.3'
targetSdkVersion  28

3.In your AndroidManifest.xml file, you should add two line:

<application
    android:name=".YourApplication"
    android:appComponentFactory="AnyStrings"
    tools:replace="android:appComponentFactory"
    android:icon="@drawable/icon"
    android:label="@string/app_name"
    android:largeHeap="true"
    android:theme="@style/Theme.AppCompat.Light.NoActionBar">

Or Simply

Go to Refactor (Studio -> Menu -> Refactor)
Click the Migrate to AndroidX. it's working
it's working.

score 4 · Answer 22 · answered Jul 05 '19 at 12:48

If you do not intend to migrate to AndroidX follow the below steps

In terminal type gradlew app:dependencies
After dependencies are shown in the window press Ctrl+f and type androidX
You will find all the dependencies which are using androidx lib internally you may have to downgrade that or use alternative for that to ensure it is no longer using androidX libs internally.

score 2 · Answer 23 · edited Dec 04 '18 at 06:52

2

First of all be sure to add this line in manifest tag

xmlns:tools="https://schemas.android.com/tools"

Then add tools replace your suggested one in Android studio

edited Dec 04 '18 at 06:52

vimuth

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answered Dec 04 '18 at 05:25

Shubham Kumar Gupta Ggps

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score 2 · Answer 24 · edited Jun 20 '20 at 09:12

2

Go to Refactor (Image )
Click the Migrate to AndroidX. it's working
it's working.

edited Jun 20 '20 at 09:12

Community

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answered Jun 13 '19 at 20:49

Aydın Üzmez

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A link to a solution is welcome, but please ensure your answer is useful without it: [add context around the link](//meta.stackexchange.com/a/8259) so your fellow users will have some idea what it is and why it’s there, then quote the most relevant part of the page you're linking to in case the target page is unavailable. [Answers that are little more than a link may be deleted.](//stackoverflow.com/help/deleted-answers) – Matthew Jun 13 '19 at 20:51

score 1 · Answer 25 · answered Jul 03 '19 at 09:52

I had this same problem for three days.

It is like android wants us to either use Kotlin Or AndroidX, they are doing away with Android.

But this is how I solved it.

I migrated my project to AndroidX. This does not bring in any errors related to this issue in question, It updates files respectively. No method, class or variable name needs to be changed in your application.

NB: You must be using the latest Libraries (build.grudle file) in the latest stable version of android studio 3.4.1

score 1 · Answer 26 · answered Nov 08 '19 at 06:49

1

I don't know this is the proper answer or not but it worked for me

Increase Gridle Wrapper Property

distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip

and Build Gridle to

    classpath 'com.android.tools.build:gradle:3.4.2'

its showing error because of the version.

answered Nov 08 '19 at 06:49

akshay shetty

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I think the string should be androidx.core.app.AppComponentFactory, arbitrary strings will cause random errors some times., – seyedrezafar Apr 01 '20 at 05:40

score 1 · Answer 27 · answered Jun 10 '20 at 11:32

1

Try this

tools:replace="android:appComponentFactory"
android:appComponentFactory="android.support.v4.app.CoreComponentFactory"

Rebuild your project.

answered Jun 10 '20 at 11:32

bikram

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score 0 · Answer 28 · edited Apr 08 '20 at 08:05

0

I had the same error when working with Groupie. implementation 'com.xwray:groupie:2.3.0'

I solved it by changing version to implementation 'com.xwray:groupie:2.1.0'

edited Apr 08 '20 at 08:05

Satan Pandeya

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answered Jan 28 '19 at 15:41

atilganhaci

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score 0 · Answer 29 · edited Apr 24 '20 at 12:22

0

In may case I didn't want to pass to androidX. And I have to check my last changes. I figure out that the new component was --> lottie 2.8.0

So I downgrade it to: implementation 'com.airbnb.android:lottie:2.7.0'

edited Apr 24 '20 at 12:22

halfer

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answered Mar 06 '19 at 15:51

moralejaSinCuentoNiProverbio

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score 0 · Answer 30 · answered Mar 25 '19 at 13:44

Change proguardFile in build.gradle (Module: app) to the following

proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'

instead of

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

This worked for me

score 0 · Answer 31 · answered Jul 25 '19 at 12:08

For solving this issue i would recommend to define explicitly the version for the ext variables at the android/build.gradle at your root project

ext {
    googlePlayServicesVersion = "16.1.0" // default: "+"
    firebaseVersion = "15.0.2" // default: "+"

    // Other settings
    compileSdkVersion = <Your compile SDK version> // default: 23
    buildToolsVersion = "<Your build tools version>" // default: "23.0.1"
    targetSdkVersion = <Your target SDK version> // default: 23
    supportLibVersion = "<Your support lib version>" // default: 23.1.1
}

reference https://github.com/zo0r/react-native-push-notification/issues/1109#issuecomment-506414941

score 0 · Answer 32 · answered Sep 16 '19 at 06:53

0

I'm also facing the same issue, for your android studio, you just change the android Gradle plugin version 3.3.2 and Gradle version is 5.1.1

answered Sep 16 '19 at 06:53

Shiva Kanumala

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score 0 · Answer 33 · answered Feb 17 '20 at 12:13

0

in my case i am add in manifest file `

tools:replace="android:appComponentFactory"
android:appComponentFactory="whateverString"

application tag of course, It will work

answered Feb 17 '20 at 12:13

vinod yadav

304
3
13

score 0 · Answer 34 · answered Apr 11 '20 at 09:51

0

if you are using capacitor, upgrade to capacitor/core 2.0.1 or up in your package.json

answered Apr 11 '20 at 09:51

shak

623
9
13

score -3 · Answer 35 · answered Jan 12 '19 at 13:06

-3

change your build.gradle dependencies into

 implementation 'com.android.support:appcompat-v7:28.0.0-alpha3'

or

 implementation 'com.android.support:appcompat-v7:28.0.0-alpha1'

answered Jan 12 '19 at 13:06

BloodLoss

8,399
3
42
67

Android Material and appcompat Manifest merger failed

35 Answers35

Reason of Fail

Solution

Existing project

New project

What is Jetifier?

Simple Solutions - migrate into AndroidX

Note: You should not use the com.android.support and com.google.android.dependencies in your app at the same time.

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