@@ -0,0 +1,315 @@
+package com.devahoy.learn30androidlibraries.day21;%0A%0Aimport android.os.Bundle;%0Aimport android.support.v7.app.ActionBarActivity;%0A%0Apublic class ActiveAndroidActivity extends ActionBarActivity %7B%0A%0A    @Override%0A    protected void onCreate(Bundle savedInstanceState) %7B%0A        super.onCreate(savedInstanceState);%0A    %7D%0A%7D%0A

prepare day21