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About me

I am Arunkrishna v j . A Freelance android developer and blogger. When i first started developing android application i came across lot of issues . Many Blogs helped me  a lot in fixing those issues. Then i realized that there are many out there like me  who face same issues. So i decided to start a blog about things i learned in   android application development. My blog contains sample android application about different android features . I believe this small sample applications will help others to build there own bigger apps. 

 "Everyone should know what i know..  Knowledge increases by sharing not by saving..  "

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Simple Calculator With ViewModel and LIveData

This is a simple calculator with basic mathematical operations. You can download full source code of this project from Github https://github.com/arunkfedex/SimpleCalculator We are using ViewModel and LiveData so we need to add those dependencies in build.gradle file. build.gradle plugins { id 'com.android.application' id 'kotlin-android' } android { compileSdk 30 defaultConfig { applicationId "com.arun.androidtutsforu.simplecalculator" minSdk 21 targetSdk 30 versionCode 1 versionName "1.0" testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' } } compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 ta...
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Android Sqlite and ListView Example

This is simple application which insert data into Sqlite database --and shows the data  from the database in a ListView 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 Demo is available on the following link http://androidtuts4u.blogspot.in/2017/09/android-card-view-example.html This  is the first Activity of application which shows data from database in listview. Register here buton will start a Registration Activity. Submit button will add data to database and show it in the ListView of MainActivity. Update can be performed by clicking ListView items.     you can download the source code of this project from  google drive   https://drive.google.com/folderview?id=0BySLpWhqmbbdS0dtT1R2TXdBWEE&usp=sharing click on the abov...
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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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