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Android List View using Custom Adapter and SQLite

following is a simple applicaton to create ListView using  Custom adapter.screenshot of the application  is like this . ListView is not used in android Anymore . We use  RecyclerView  and  CardView   in Android RecyclerView Demo is available on the following link http://androidtuts4u.blogspot.in/2017/04/android-recyclerview-example.html RecyclerView with Cardview Example is available on the following link http://androidtuts4u.blogspot.in/2017/09/android-card-view-example.html The ListView below the submit button is populated using Custom Adapter.Data is stored and retrieved using SQLite databsase. you can download the source code of this project from  google drive   https://drive.google.com/folderview?id=0BySLpWhqmbbdUXE5aTNhazludjQ&usp=sharing click on the above link ->sign into  your  google account ->add this to your google drive -> open it in google drive and download it. To create a simple ...
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Android External database : Using database in "assets" folder

The best way to create a database application in android is , using an exteranal database . ie, we can create database  using tools like N avicat  , SQLite Browser  and copy this database into our application .This  method is more flexible and easy than creating a database in our application . This is a simple application using external database file.Application will insert data into database and show data from the database in a customized list view.  Screenshots of this application are MainActivity This is the first activity of this application . When  Register Here button is pressed it will start Registration Activity Editing of the entries can be done with a Long Click on the listView items. you can download the source code of this project from  google drive  https://drive.google.com/folderview?id=0BySLpWhqmbbdY3JHMkZRZFN0bEE&usp=sharing click on the above link ->sign into  your  google account ->a...
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Controlling Back button Behavior in Fragment-- kotlin

when user navigates in an application android maintains back stack of destinations . This allows android to go back to previous destination when user clicks back button . some  times we  need to implement our own back button behavior  for best user experience . For example  if we are in a timer based quiz  application . when the user clicks on the back button if we go back to the previous destination without stopping  the counter , it will crash  the application . So first we need to know whether the  user  pressed the back button accidentally or not by  using a dialogue box . If the user want to go back to previous destination  we need to stop the counter and  then go back to the previous destination. We can control the back button hahavior byusing OnBackPressedDispatcher  . This controls how back button events are dispatched to one or more onBackPressedCallback objects . callbacks are added using addCallback methods. e...
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