http://www.runoob.com/w3cnote_genre/android
https://www.tutorialspoint.com/android/android_sqlite_database.htm
https://www.journaldev.com/10439/android-butterknife-example
http://www.runoob.com/w3cnote_genre/android
https://www.tutorialspoint.com/android/android_sqlite_database.htm
https://www.journaldev.com/10439/android-butterknife-example