Problem adding the Android platform to a Cordova project

error.txt

$ cordova platform add android
Creating android project...

/home/maximo/.cordova/lib/android/cordova/3.5.0/bin/node_modules/q/q.js:126
                    throw e;
                          ^
Error: An error occurred while listing Android targets
    at /home/maximo/.cordova/lib/android/cordova/3.5.0/bin/lib/check_reqs.js:87:29
    at _rejected (/home/maximo/.cordova/lib/android/cordova/3.5.0/bin/node_modules/q/q.js:808:24)
    at /home/maximo/.cordova/lib/android/cordova/3.5.0/bin/node_modules/q/q.js:834:30
    at Promise.when (/home/maximo/.cordova/lib/android/cordova/3.5.0/bin/node_modules/q/q.js:1079:31)
    at Promise.promise.promiseDispatch (/home/maximo/.cordova/lib/android/cordova/3.5.0/bin/node_modules/q/q.js:752:41)
    at /home/maximo/.cordova/lib/android/cordova/3.5.0/bin/node_modules/q/q.js:574:44
    at flush (/home/maximo/.cordova/lib/android/cordova/3.5.0/bin/node_modules/q/q.js:108:17)
    at process._tickCallback (node.js:419:13)
Error: /home/maximo/.cordova/lib/android/cordova/3.5.0/bin/create: Command failed with exit code 8
    at ChildProcess.whenDone (/usr/lib/node_modules/cordova/node_modules/cordova-lib/src/cordova/superspawn.js:131:23)
    at ChildProcess.EventEmitter.emit (events.js:98:17)
    at maybeClose (child_process.js:753:16)
    at Process.ChildProcess._handle.onexit (child_process.js:820:5)

$ ~/.cordova/lib/android/cordova/3.5.0/bin/check_reqs
[Error: An error occurred while listing Android targets]

http://docs.phonegap.com/en/2.8.0/guide_getting-started_android_index.md.html#Getting%20Started%20with%20Android

Try this. It is written step by step in details. It helped me. Hope it will help you guys as well.