Unable to Build Android test app on Device (Android device support package) - MATLAB R2021a

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Hello dear friends,
I am having issues when trying to build the test app in hardware setup of Simulink support package for Android devices.
The error for the "Build App" task is as follows:
A problem occurred configuring root project 'TestApp'. > Could not resolve all artifacts for configuration ':classpath'. > Could not find gradle.jar (com.android.tools.build:gradle:3.5.0). Searched in the following locations: https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.jar > Could not find builder.jar (com.android.tools.build:builder:3.5.0). Searched in the following locations: https://dl.google.com/dl/android/maven2/com/android/tools/build/builder/3.5.0/builder-3.5.0.jar > Could not find builder-test-api.jar (com.android.tools.build:builder-test-api:3.5.0). Searched in the following locations: https://dl.google.com/dl/android/maven2/com/android/tools/build/builder-test-api/3.5.0/builder-test-api-3.5.0.jar > Could not find bundletool.jar (com.android.tools.build:bundletool:0.9.0). Searched in the following locations: https://dl.google.com/dl/android/maven2/com/android/tools/build/bundletool/0.9.0/bundletool-0.9.0.jar > Could not find protos.jar (com.android.tools.analytics-library:protos:26.5.0). Searched in the following locations: https://dl.google.com/dl/android/maven2/com/android/tools/analytics-library/protos/26.5.0/protos-26.5.0.jar *
Can anyone help me with it please? I feel free to mention that running the command below results in the mentioned specs:
ans =
AndroidStudioWorkflowValidator with properties:
AndroidStudioPath: 'C:\Program Files\Android\Android Studio'
AndroidSDKPath: 'C:\Users\STRIX\AppData\Local\Android\sdk'
GradlePath: []
JavaJDKPath: 'C:\Program Files\Android\Android Studio\jre'
NDKPath: 'C:\Users\STRIX\AppData\Local\Android\sdk\ndk\23.0.7196353'
ARMComputeLibPath: [1×5 struct]
GradleVersion: '5.4.1'
GradlePluginVersion: '3.5.0'
CompileSdkVersion: '30'
BuildToolsVersion: '31.0.0 rc2'
SupportV4Version: []
AppcompatV7Version: []
DesignVersion: []
gradleWrapperPath: 'GradleWrapper\wrapper'
  1 Comment
Sutanu Maiti
Sutanu Maiti on 8 Apr 2021
Hi Mehdi,
Can you please uninstall ndk version 23.* and install 22.*. Also build tools version 30 (not any rc1 / rc2 releases) and try again?
Also please make sure internet connection is up and running while building TestApp, besause gradle downloads certain tools from online during its first build.

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Answers (1)

Sutanu Maiti
Sutanu Maiti on 8 Apr 2021
Mehdi Ejtehadi
Mehdi Ejtehadi on 9 Apr 2021
Edited: Mehdi Ejtehadi on 9 Apr 2021
Android Studio itself works just fine... Although the firewall issue might be the right suggestion. I will try things out.
For now I'm going to use MATLAB Coder to get a C source code and use it by NDK in Android Studio...
Thanks for your time

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