yeah i think @DaCookie solving is the best…
i was install android studio etc…but still doesnt work.
and then
Error: Could not find gradle wrapper within Android SDK. Might need to update your Android SDK.
Looked here: /Users/melodycguitarista/Library/Android/sdk/tools/templates/gradle/wrapper
some link give solution to download tools_r25.2.5-macosx.zip
i copy and replaced all in folder
/Users/melodycguitarista/Library/Android/sdk/tools/templates/gradle/wrapper
and try running again ionic build android
for some while BUILD SUCCESSFUL
Total time: 8 mins 9.394 secs
Built the following apk(s):
/Users/melodycguitarista/DEsktop/icymobile/platforms/android/build/outputs/apk/android-debug.apk