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Gradle sync failed before upgrade and even after latest gradle upgrade

Blockquote
error which im facing: Im using latest android studio version 4.0.0 , i am unable to sync the gradle so i upgraded latest gradle version 6.5.1 and placed in path [c/program files/android/gradle/gradle 6.5.1/] .... iam getting sync failed error even after updation ..can anybody help me out from this error
.

You can delete /project_directory/.gradle folder
Then upgrade
classpath 'com.android.tools.build:gradle:4.0.1'
FYI - Make sure, You stop FireWall or Anti- Virus
Finally clean-Rebuild-Run

Unsupported method: AndroidArtifact.getBuildConfigFields()

I have just updated to Android Studio 4.0 and trying to build my project. I keep on getting the below error
Unsupported method: AndroidArtifact.getBuildConfigFields().
The version of Gradle you connect to does not support that method.
To resolve the problem you can change/upgrade the target version of Gradle you connect to.
Alternatively, you can ignore this exception and read other information from the model.
I am already using the latest version of Gradle and Gradle Plugin
Gradle version:
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-milestone-1-all.zip
Gradle plugin tools version:
classpath 'com.android.tools.build:gradle:4.1.0-alpha10'
Any solution or fix for this problem would be helpful. Thanks in advance.

Use Android studio 4.1 preview
or
classpath 'com.android.tools.build:gradle:4.0.0'

This is usually due to a mismatch between your Android Studio versions and the Android Gradle plugin.
You can find the version of Android Studio on the project selection window when you first open it (or in "Android Studio > About Android Studio" on Mac, and similar location on other platforms). For example, you might be using Android Studio 4.0.1.
You can find the Android Gradle plugin version for your project in the top-level build.gradle file.
You should find something like the following:
buildscript {
[...]
dependencies {
classpath 'com.android.tools.build:gradle:4.0.1'
[...]
}
[...]
}
You need to make sure that the two version numbers match (in this case they do).

Android Studio 3.0 Canary 4 unsupported method NativeArtifact.getRuntimeFiles()

My project runs well under android studio 2.3. But with 3.0, it failed to refresh with this Error:
Error:Unsupported method: NativeArtifact.getRuntimeFiles().
The version of Gradle you connect to does not support that method.
To resolve the problem you can change/upgrade the target version of Gradle you connect to.
Alternatively, you can ignore this exception and read other information from the model.
I'm using Gradle 2.14.1 & Gradle android plugin 2.2.0. Upgrade Gradle (to 3.5) does not solve the problem.
Does anybody else have this problem and was able to find any workaround?

I had the same error message using 'com.android.tools.build:gradle:3.3.0'.
I found 2 ways for fixing this error :
Update Android Studio to version 3.3 (Help -> Check for Update...)
or switch to 'com.android.tools.build:gradle:3.2.1' in build.gradle.

Try to change in build.gradle
dependencies {
classpath 'com.android.tools.build:gradle:3.0.1'
}

Android Plugin for Gradle 2.2.2 and Gradle version 2.14.1 together failed to download android support v4

Android application build fails with Android Plugin for Gradle 2.2.2 and Gradle version 2.14.1.
But build successful with Android Plugin for Gradle 1.2.3 and Gradle version 2.3
Expected Behavior:
Android application should successfully build in command line with Android Plugin for Gradle 2.2.2 and Gradle version 2.14.1
Current Behavior:
Android application build fails with Android Plugin for Gradle 2.2.2 and Gradle version 2.14.1. Because it fails to find a symbol in the com.android.support:support-v4:23.2.1.
Also build fails in the Android Studio with the same reason.
Context:
I had to updated the Android Studio to 2.2.2(Latest) and this must use at least Android Plugin for Gradle 2.2.2. Therefore I had to update gradle as well. (Tried both gradle 2.14.1 and gradle 3.2) But build fails with the same reason.
Steps to Reproduce
Have the following settings in the application gradle.build file
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.2.2'
}
Also
dependencies {
compile 'com.android.support:support-v4:23.2.1'
}
Android SDK is uptodate
enter image description here
enter image description here
And run the gradle build.
Build fails and out put's following errors
error: cannot find symbol
import android.support.v4.app.DialogFragment;
^
error: cannot find symbol
import android.support.v4.app.FragmentActivity;

When you try to update Gradle by yourself sometimes does not work, the best way y let android studio do it.
Step 1:
Close Your project
Step 2:
Reopen your project.
Step 3:
Click on update button
Step 4:
Wait update
Thats all!

Have you try to Invalidate Caches of Android Studio after upgrade gradle?
To do that you have to go:
File -> Invalidate caches / restart... -> Invalidate and Restart

Incompatible version of android studio with the Gradle version used

My android-studio version is the latest 2.1.3,and I am try to update gradle to gradle-3.0-all with plugin 2.2.0-beta3.
When I build it was ok but when run the ide report that "Incompatible version of android studio with the Gradle version used."
How can I resolve this?Should I use android-studio 2.2+?

Just use the latest stable version of the gradle distribution and the gradle plugin for android:
In build.gradle:
dependencies {
classpath 'com.android.tools.build:gradle:2.1.3'
}
In gradle/wrapper/gradle-wrapper.properties:
distributionUrl = https\://services.gradle.org/distributions/gradle-2.14-all.zip
Currently the version of gradle 3.x is not officially supported.

Android studio will notify you if Gradle plugin needs update. no need for doing it yourself.