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Create your first android application

When I start writing this blog I remembered the initial days of developing my first android application.

I was working for a company as a senior software engineer to develop applications for blackberry devices. That time (in 2012) already Android boom was suppressing blackberry development in JAVA. So I decided to shift my technology from blackberry to android. For that I had to first convince my project delivery head that I could develop Android apps too. So, I took a first step and started researching android development process by following and with the help of some android developers from the same company I created my first "Hello World" android app.

In the process of android app development I learnt, unlike J2ME and Blackberry you no need to code for UI in android. You can just create your own screens by drag and drop of UI elements of texts, buttons, images etc., in layout files in the res folder. So, you can just concentrate on your own models and controllers. At the end it is quite easy to develop an android application by considering following 3 important elements.

1. Knowledge on JAVA

2. Basic knowledge on XML tags
3. laptop / PC 

Once you have above 3 elements and interest to develop your first android app in your system just follow me...

Like I said I migrated from J2ME to Blackberry to Android app development, obviously I started using Eclipse as my IDE (Integrated Development Environment) to develop applications for mobiles which was playing a major role on app development. For this we need to have a jre (Java Runtime Environment) installed and added to path variable in System environmental variables, Eclipse as development environment and Android SDK (Software Development Kit) to run the android apps and also AVD (Android Virtual Device) to specify the hardware characteristics of the simulated device blah blah blah...

Stop. Take a deep breath.

Just install Android Studio which will install everything what it needs to develop applications for Android mobiles.

Now, don't be scared of the terms used in the app development process like project files, build gradle files, manifest file, layout files etc., Just follow Create an Android project in the android developers site which is self explanatory to create a "Hello, World!" project. Run your app on a real device or on an emulator. 

Its done. you created successfully your first android application in your system.

Note: If you still think it is not that easy to develop an android application, wait for my next post "Develop the first Android application using Android Studio". We will see some tips to use Android Studio as well.


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