I am getting started with Android development. I have followed this Getting Started guide and use Android Studio (not eclipse).
I ran Hello World on my
Modify your gradle file like below and try if it works.
......
dependencies {
compile 'com.android.support:support-v4:18.0.0'
// You must install or update the Support Repository through the SDK manager to use this dependency.
// The Support Repository (separate from the corresponding library) can be found in the Extras category.
// compile 'com.android.support:appcompat-v7:18.0.0'
}