I have installed java 8 and following the tutorial on how to download android sdk without android studio for Mac https://www.androidcentral.com/installing-android-sdk-windows-mac-and-linux-tutorial
When I try open the sdkmanager it says this on terminal
inconsistent location '/Users/username/Library/Android/sdk/build-tools/28.0.3' (Expected '/Users/username/build-tools/28.0.3'). 
 Warning: Observed package id 'emulator' in inconsistent location    '/Users/username/Library/Android/sdk/emulator' (Expected '/Users/username/emulator')
  Warning: Observed package id 'extras;android;m2repository' in    inconsistent location   '/Users/username/Library/Android/sdk/extras/android/m2repository' (Expected '/Users/username/extras/android/m2repository')
 Warning: Observed package id 'extras;google;m2repository' in inconsistent location '/Users/username/Library/Android/sdk/extras/google/m2repository' (Expected '/Users/username/extras/google/m2repository')
  Warning: Observed package id 'extras;intel;Hardware_Accelerated_Execution_Manager' in inconsistent location '/Users/username/Library/Android/sdk/extras/intel/Hardware_Accelerated_.Execution_Manager' (Expected '/Users/username/extras/intel/Hardware_Accelerated_Execution_Manager')
 Warning: Observed package id 'patcher;v4' in inconsistent location '/Users/username/Library/Android/sdk/patcher/v4' (Expected '/Users/username/patcher/v4')
   logout
  Saving session...
  ...copying shared history...
  ...saving history...truncating history files...
  ...completed.