How to Add Back Arrow in Android Activity

Here is a simple method to add a back arrow to other Activity to come back to MainActivity. To enter a new activity we create an Intent then start a new Activity using that intent instance using the startActivity method.

After we enter the new activity we add a listener on action bar instance to finish other activity to come back to MainActivity.

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Change Version Number of App in Android Studio v 3.1

Following method is to change the version number of application in Android Studio V 3.1 using settings. There are two methods we can follow, let’s have a look at both:

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Android Useful Methods and Functions

A fully featured Android application has a lot of functionality going on to provide a user-friendly interface to the user. For example, we can Indicate if the device is still connected to a network of if connected is it Wifi or mobile network, check GPS status on the device, battery status like a battery percentage or if connected to power source etc. In this post, I am going to list some similar handy and useful methods which are needed most of the time in an Android application.

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Lenovo – Enable VT-x in BIOS

Most probably you may have encountered VT-x disabled issue during Android Emulator Installation. VT-x is Virtualization Technology which allows PC platforms to run multiple applications and operating systems simultaneously blah blah…

This procedure is for Lenovo for other It may be a similar process.

Let’s enable it

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RESOLVED! Shared Preference Context Error

During android development, especially for a beginner like me the creepiest thing which I felt was Handling Contexts. Shared preferences is really a cool thing if we want to save some handy information by the user on a device even if an app is killed. BUT context exceptions are everywhere.

So here we will not go deep into context understanding or preferences documentations. We will only discuss the best approach to use Shared Preference in application from anywhere inside your app. Using this method you can SET or GET preference literally from anywhere

– Mainactivity
– Non-Mainactivity
– Services
– Broadcasts

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Android | How to Add New Images in Android Studio Project 3.2

Here I will show you how to Very Quickly Add new Images in Android Studio Project, my current version of Android Studio is 3.2 Continue reading Android | How to Add New Images in Android Studio Project 3.2

Make Quick HTTP Calls from Android Using Volley

In general practice an Android developer use “HttpURLConnection” to use web services and do ant data communication over the internet. Its bit confusing as it gives an error to handle threads and Async tasks. So it makes the process too long cumbersome.

For quickly using data communication I prefer Volley library of android. Let’s learn more about it.

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Resolved – Android Studio Not Detecting Connected Device

During development of hybrid apps you hardly need to use Android Studio, and this gives a huge relief  because you don’t need to start a heavy loaded application and wait to get it started from all cores . Thanks to CLI development integrated with ionic, a simple command and whoosh!!! your app is ready…

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