The good online tutorials and books to learn Android development

(1)  Resources to get started with Android Development,

        a.   http://www.technotalkative.com/android/
        b.  http://developer.android.com/tra...
        c. http://www.vogella.com/android.html
        d. http://mylifewithandroid.blogspot.com
        e. http://stackoverflow.com/
        f. https://github.com/commonsguy/

(2 )  YouTube Playlist

      a. https://www.youtube.com/playlist?list=PLF3EEB647F6B52F03

(3)    Learn Android

    a. http://developer.android.com/design/index.html
    b. http://developer.android.com/guide/index.html
    c. http://developer.android.com/reference/packages.html
    d. http://developer.android.com/reference/android/app/Activity.html
    e. http://developer.android.com/reference/android/app/Fragment.html
    f. https://android-developers.googleblog.com/
    g. http://code.google.com/p/android/issues/list
    h. http://code.google.com/p/android/issues/list
    i.  http://developer.android.com/resources/community-groups.html
    j. https://groups.google.com/forum/?fromgroups#!forum/android-developers

(4)  What is the best book about Android development?

   a .  https://www.quora.com/What-are-the-best-books-for-Android-application-development?redirected_qid=101281

(5)  Anddev forum is pretty famous for having a large number of online users every time 

          a. http://www.anddev.org/

(6) Android Apps Market: Download Free & Paid Android Applications Besides 

         a. http://slideme.org/

(7) useful Chrome extension for Android devs

      a.  https://www.codota.com/code-browsing-assistant

(8) What is the best way to learn Android Studio?

    a.   https://www.youtube.com/playlist?list=PL6gx4Cwl9DGBsvRxJJOzG4r4k_zLKrnxl

(9) What are the good online tutorials and books to learn Android development?

     a.   http://docs.oracle.com/javase/tutorial/java/