Following error is generating while running this command,unable to build apk.
$ ionic cordova platform add android
cordova platform add android --save Using cordova-fetch for cordova-android@~6.3.0
Error: Failed to fetch platform cordova-android@~6.3.0 Probably this is either a connection problem, or platform spec is incorrect. Check your connection and platform name/version/URL. Error: cmd: Command failed with exit code 1 Error output: The filename, directory name, or volume label syntax is incorrect. The filename, directory name, or volume label syntax is incorrect. npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.3 (node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})