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assembleRelease task failed when building a Flutter project

Building with sound null safety
Running Gradle task 'assembleRelease'...
FAILURE: Build failed with an exception.
What went wrong:
A problem occurred configuring root project 'android'.
Could not resolve all artifacts for configuration ':classpath'.
Could not find builder-4.1.0.jar (com.android.tools.build:builder:4.1.0).
Searched in the following locations:
https://dl.google.com/dl/android/maven2/com/android/tools/build/builder/4.1.0/builder-4.1.0.jar
Could not find bundletool-0.14.0.jar (com.android.tools.build:bundletool:0.14.0).
Searched in the following locations:
https://dl.google.com/dl/android/maven2/com/android/tools/build/bundletool/0.14.0/bundletool-0.14.0.jar
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.
Get more help at https://help.gradle.org
BUILD FAILED in 6s
Running Gradle task 'assembleRelease'... 10.9s
Gradle task assembleRelease failed with exit code 1
Process finished with exit code 1

Try to build your project with following three steps:
1- flutter build apk --debug
2- flutter build apk --profile
3- flutter build apk --release

Flutter Gradle task assembleDebug failed with exit code 1

I am trying to run flutter project on my phone but I get this exception:
FAILURE: Build failed with an exception.
What went wrong:
A problem occurred configuring root project 'android'.
Could not resolve all artifacts for configuration ':classpath'.
Could not find com.android.tools.build:gradle:4.1.3.
Searched in the following locations:
- https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/4.1.3/gradle-4.1.3.pom
- https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/4.1.3/gradle-4.1.3.jar
- https://jcenter.bintray.com/com/android/tools/build/gradle/4.1.3/gradle-4.1.3.pom
- https://jcenter.bintray.com/com/android/tools/build/gradle/4.1.3/gradle-4.1.3.jar
Required by:
project :
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.
Get more help at https://help.gradle.org
BUILD FAILED in 2s
Exception: Gradle task assembleDebug failed with exit code 1

Please try the following steps:
Delete the android directory.
Run flutter clean comment
Run flutter create . comment
Run flutter pub get comment
Run the application.

could not resolve all dependencies for configuration ':classpath' on flutter

hi recently I upgrade and flutter to v2 and my android studio too but after that my flutter app gives a Gradle error and cant be extracted I tried too hard to do many solutions like but maven in dependency but it still gives an error.the gradle version is now 5.6 or something and one more thing all the application running well still which i made before upgrade and its gradle version is
Please help me out and the error is given below.
FAILURE: Build failed with an exception.
What went wrong:
A problem occurred configuring root project 'android'.
Could not resolve all dependencies for configuration ':classpath'.
Could not load module metadata from C:\Users\dell.gradle\caches\modules-2\metadata-2.96\descriptors\com.android.tools\annotations\27.1.0\11cd36a7dcab7d14d0c14c5e6c7582e3\descriptor.bin
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.
Get more help at https://help.gradle.org
BUILD FAILED in 20s
Exception: Gradle task assembleDebug failed with exit code 1
Exited (sigterm)

Facing issue in Flutter Gradle file

Can any one have any idea why this error happening.
Launching lib\main.dart on SM G900H in debug mode...
Initializing gradle...
Resolving dependencies...
Error running Gradle:
Exit code 1 from: D:\NewFlutter\App\testapp\flutter_app\android\gradlew.bat app:properties:
FAILURE: Build failed with an exception.
What went wrong:
A problem occurred configuring root project 'android'.
Could not resolve all files for configuration ':classpath'.
Could not find gradle.jar (com.android.tools.build:gradle:3.1.2).
Searched in the following locations:
https://jcenter.bintray.com/com/android/tools/build/gradle/3.1.2/gradle-3.1.2.jar
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.
Get more help at https://help.gradle.org
BUILD FAILED in 21s
Finished with error: Please review your Gradle project setup in the android/ folder.

Unable to run flutter sample in android studio

i am new in flutter i just want to start it with android studio
but when i am just try to the simple app it shows me some error
can some one help me
Error running Gradle:
Exit code 1 from: C:\Users\saswatsaubhagya\Desktop\flutter\flutter_app\android\gradlew.bat app:properties:
Starting a Gradle Daemon, 1 incompatible and 1 stopped Daemons could not be reused, use --status for details
Project evaluation failed including an error in afterEvaluate {}. Run with --stacktrace for details of the afterEvaluate {} error.
FAILURE: Build failed with an exception.
Where:
Build file 'C:\Users\saswatsaubhagya\Desktop\flutter\flutter_app\android\app\build.gradle' line: 25
What went wrong:
A problem occurred evaluating project ':app'.
Could not resolve all files for configuration 'classpath'.
Could not find lint-gradle-api.jar (com.android.tools.lint:lint-gradle-api:26.1.2).
Searched in the following locations:
https://jcenter.bintray.com/com/android/tools/lint/lint-gradle-api/26.1.2/lint-gradle-api-26.1.2.jar
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.
Get more help at https://help.gradle.org
BUILD FAILED in 39s
Finished with error: Please review your Gradle project setup in the android/ folder.
timeout waiting for the application to start