The proper APK file is "app-release.apk" under the required address

#Reference: /**

• learned this function from youtube videos
• name: code in flow
• published date: 2017-10-27
• url: https://www.youtube.com/watch?v=33BFCdL0Di0
• license: https://developer.android.com/license/w3c.txt / /*
• On dateSet and OnTimeSet are referenced from
• name: code in flow
• time: 2017-10-30 & 2017-10-27
• https://www.youtube.com/watch?v=33BFCdL0Di0&t=57s
• https://www.youtube.com/watch?v=QMwaNN_aM3U&t=310s
• license: https://developer.android.com/license/w3c.txt / /* I learn to use adapter onclick from google, android developer and reference from stackoverflow
• name Google,
• date published in stackoverflow: 2015-12-05
• url:
• https://developer.android.com/reference/android/widget/AdapterView.OnItemClickListener
• https://stackoverflow.com/questions/34110497/how-to-implement-a-setonitemclicklistener-firebaserecyclerviewadapter
• licence: https://developer.android.com/license/w3c.txt */

/**

• learned this function from youtube videos
• name: code in flow
• published date: 2017-11-14
• url: https://www.youtube.com/watch?v=dvDTmJtGE_I
• license: https://developer.android.com/license/w3c.txt

• ---

• when swiped to the left delete this message from history
• and save changes */

/** *copy the menu function from professor's videos

• from Abram Hindle
• published 2014-09-11
• https://www.youtube.com/watch?v=fxjIA4HIruU&feature=youtu.be*/

/**

• sharedperference storing
• from Google Developer
• licence: https://developer.android.com/license/w3c.txt
• https://developer.android.com/reference/android/content/SharedPreferences */

/**

• save and load Gson method are referenced and learned from
• name: Jake Wharton
• Date: 2015
• url: https://github.com/google/gson
• license: Copyright 2008 Google Inc. */

/**

• This part is used to combine cardview and recycleview
• I learn to build this adapter from many sources
• name: google, Ashraff Hathibelagal,Rashid Coder
• time: 2015-03-23, 2018-01-11
• url:
• https://developer.android.com/reference/android/support/v7/widget/RecyclerView.ViewHolder
• https://developer.android.com/reference/android/support/v7/widget/CardView
• https://developer.android.com/guide/topics/ui/layout/cardview
• https://developer.android.com/guide/topics/ui/layout/recyclerview
• https://code.tutsplus.com/tutorials/getting-started-with-recyclerview-and-cardview-on-android--cms-23465
• https://www.youtube.com/watch?v=QTiQawMBPUA
• licence: license: https://developer.android.com/license/w3c.txt */

/**

• learned this function from youtube videos
• name: code in flow
• published date: 2017-10-30
• url: https://www.youtube.com/watch?v=QMwaNN_aM3U&t=310s
• license: https://developer.android.com/license/w3c.txt */