You have not accepted the license agreements of the following SDK components
I downloaded the latest Android SDK tools version 24.4.1. I used the command line to install SDKs. I typed y when asked
Do you accept the license 'android-sdk-license-c81a61d9' [y/n]: y after that install succeeded.
But when using Gradle 3.1 to build, the follows shows up
You have not accepted the license agreements of the following SDK components: [Android SDK Platform 23, Android SDK Build-Tools 23.0.1]. Before building your project, you need to accept the license agreements and complete the installation of the missing components using the Android Studio SDK Manager. Alternatively, to learn how to transfer the license agreements from one workstation to another, go to http://d.android.com/r/studio-ui/export-licenses.html
I checked ~/.android and /opt/android-sdk where Android tools are put. Neither contain folder named licenses.
Answer
The way to accept license agreements from the command line has changed. You can use the SDK manager which is located at: $ANDROID_SDK_ROOT/tools/bin
e.g on linux:
cd ~/Library/Android/sdk/tools/bin/
Run the sdkmanager as follows:
./sdkmanager --licenses
e.g on Windows:
cd /d "%ANDROID_SDK_ROOT%/tools/bin"
Run the sdkmanager as follows:
sdkmanager --licenses
And accept the licenses you did not accept yet (but need to).
For more details see the Android Studio documentation, although the current documentation is missing any description on the --licenses option.
Warning
You might have two Android SDKs on your machine. Make sure to check both ~/Library/Android/sdk and /usr/local/share/android-sdk! If unsure, fully uninstall Android Studio from your machine and start with a clean slate.
Update: ANDROID_HOME is deprecated, ANDROID_SDK_ROOT is now the correct variable