ndk_platform doesn't exist: /home/rr/android-ndk-r20/platforms/android-20/arch-arm

[tianyi725]

• Python: 3.6
• OS: ubuntu 18.04

`

rr@ubuntu:~//cavns$ p4a apk

[WARNING]: $ANDROIDNDKVER is deprecated and no longer necessary, the value you set is ignored

[INFO]: Will compile for the following archs: armeabi-v7a
[INFO]: Found Android API target in $ANDROIDAPI: 28
[INFO]: Available Android APIs are (28)
[INFO]: Requested API target 28 is available, continuing.
[INFO]: Found NDK dir in $ANDROIDNDK: /home/rr/android-ndk-r20
[INFO]: Found NDK version 20
[WARNING]: Maximum recommended NDK version is 17c
[WARNING]: Newer NDKs may not be fully supported by p4a.
[INFO]: Found Android API target in $NDKAPI
[WARNING]: NDK API less than 21 is not supported
[INFO]: Found virtualenv at /home/rr/.local/bin/virtualenv
[INFO]: ccache is missing, the build will not be optimized in the future.
[WARNING]: ndk_platform doesn't exist: /home/rr/android-ndk-r20/platforms/android-20/arch-arm
[INFO]: Found the following toolchain versions: ['4.9']
[INFO]: Picking the latest gcc toolchain, here 4.9
[ERROR]: Build failed: python-for-android cannot continue due to the missing executables above

`
Why is this error always there?
I really don't know what to do?
Thank you

[support]

👋 @tianyi725, we use the issue tracker exclusively for bug reports and feature requests. However, this issue appears to be a support request. Please use our support channels to get help with the project.

Let us know if this comment was made in error, and we'll be happy to reopen the issue.