usages

https://www.journaldev.com/14673/android-floating-widget
Android Floating Widget Like Messenger Bubbles

http://answerqueen.com/o2/q7vz38pko2
Sqlite anko primary key error
https://github.com/Kotlin/anko/wiki/Anko-SQLite#parsing-query-results

Anko-SQLite... Kotlin all the way!
https://blog.tlsantana.com/2018/03/06/anko-sqlite-kotlin-all-the-way/

https://stackoverflow.com/questions/21814825/you-need-to-use-a-theme-appcompat-theme-or-descendant-with-this-activity
https://stackoverflow.com/questions/8699257/popup-over-incoming-call-screen
You need to use a Theme.AppCompat theme (or descendant) with this activity

https://www.journaldev.com/9412/android-shared-preferences-example-tutorial
Android Shared Preferences Example Tutorial

Android BroadcastReceiver tutorial: detect outgoing phone call event
https://looksok.wordpress.com/2013/04/13/android-broadcastreceiver-tutorial-detect-outgoing-phone-call-event/
and incomming
https://gist.github.com/ftvs/e61ccb039f511eb288ee

Service
https://stackoverflow.com/questions/16824341/keep-broadcast-receiver-running-after-application-is-closed

Image capture
https://stackoverflow.com/questions/15472798/take-multiple-images-with-camera-and-insert-into-multiple-diffefent-imageviews

Encode and decode bitmap object in base64 string in Android
https://stackoverflow.com/questions/9768611/encode-and-decode-bitmap-object-in-base64-string-in-android

Images circular
https://stackoverflow.com/questions/47977796/what-is-the-best-way-to-create-a-circular-imageview


https://stackoverflow.com/questions/18367631/change-notification-layout
notification layout

TextArea in Android
https://learnpainless.com/android/how-to-create-textarea-in-android

Alert Dialog Builder
https://code.tutsplus.com/tutorials/simplify-android-app-development-with-anko--cms-30005

Get contact name
https://stackoverflow.com/questions/6721134/get-contact-name-given-a-phone-number-in-android

Creating reusable AlertDialogs with Custom Views in Anko
https://medium.com/@moyinoluwa/creating-reusable-alertdialogs-with-custom-views-in-anko-539e26d0456d

Android code: error message: Permission denial: opening provider com.android.providers.contacts. ContactsProvider2
https://codedocu.com/Details?d=1715&a=12&f=236&l=0&v=d

convert a Long value to date time and convert current time to Long kotlin?
https://stackoverflow.com/questions/49551461/how-can-i-convert-a-long-value-to-date-time-and-convert-current-time-to-long-kot

http://android2011dev.blogspot.com/2011/08/get-android-phone-call-historylog.htm
Get Android phone call history/log programmatically

https://medium.com/@lpereira/why-should-we-use-rxjava-on-android-c9066087c56c
RxJava on Android for animation

 /* fun createDatabase() {
        visitorsDb.createTable("VISITOR", true,
                "PHONE" to TEXT,
                "DATE_SEL" to TEXT,
                "NAME" to TEXT,
                "PROBLEMS" to TEXT,
                "DATE_CURR" to TEXT,
                "ID" to INTEGER + PRIMARY_KEY)
 } */

 /* fun submitSuccess(mobile:String, date:String, name:String, problems:String) {
        try {
            // Add a row
            visitorsDb.insert("VISITOR",
                    "PHONE" to mobile,
                    "DATE_SEL" to date,
                    "NAME" to name,
                    "PROBLEMS" to problems,
                    "DATE_CURR" to date,
                    "ID" to INTEGER + PRIMARY_KEY)

                    java.lang.SecurityException: Permission Denial: opening provider com.android.providers.contacts.ContactsProvider2 from ProcessRecord{4acec5 21289:com.kavin.noteit.noteit/u0a170} (pid=21289, uid=10170) requires android.permission.READ_CONTACTS or android.permission.WRITE_CONTACTS

        } catch (e: SQLiteException) {

        } catch (e: Exception) {

        }

    } */
    submitSuccess(mobile, date, name, problems)