bonjour 

j'arrive pas à générer des apk sur ionic..

C:\titi\papa>ionic cordova requirements

> cordova.cmd requirements

Requirements check results for android:

Java JDK: installed 1.8.0

Android SDK: installed true

Android target: installed Google Inc.:Google APIs:23,android-29,android-28,android-23

Gradle: installed C:\gradle\gradle-4.0.2-bin\bin\gradle

quand je saisie le commande ionic cordova build android cela affiche

Checking Java JDK and Android SDK versions

ANDROID_SDK_ROOT=undefined (recommended setting)

ANDROID_HOME=T:\android-sdk (DEPRECATED)

Starting a Gradle Daemon (subsequent builds will be faster)

:wrapper

BUILD SUCCESSFUL in 2m 24s

1 actionable task: 1 executed

Subproject Path: CordovaLib

Subproject Path: app

Starting a Gradle Daemon (subsequent builds will be faster)

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 resolve com.android.tools.build:gradle:3.3.0.

     Required by:

         project :

      > Could not resolve com.android.tools.build:gradle:3.3.0.

         > Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.3.0/gradle-3.3.0.pom'.

            > Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.3.0/gradle-3.3.0.pom'.

               > android-studio

      > Could not resolve com.android.tools.build:gradle:3.3.0.

         > Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.3.0/gradle-3.3.0.pom'.

            > Could not GET 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.3.0/gradle-3.3.0.pom'.

               > android-studio

* 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 2m 21s

C:\titi\papa\platforms\android\gradlew: Command failed with exit code 1 Error output:

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 resolve com.android.tools.build:gradle:3.3.0.

     Required by:

         project :

      > Could not resolve com.android.tools.build:gradle:3.3.0.

         > Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.3.0/gradle-3.3.0.pom'.

            > Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.3.0/gradle-3.3.0.pom'.

               > android-studio

      > Could not resolve com.android.tools.build:gradle:3.3.0.

         > Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.3.0/gradle-3.3.0.pom'.

            > Could not GET 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.3.0/gradle-3.3.0.pom'.

               > android-studio

* 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 2m 21s

[ERROR] An error occurred while running subprocess cordova.

        cordova.cmd build android exited with exit code 1.

        Re-running this command with the --verbose flag may provide more information.