Tech Talk Insights

Hi Readers, Today while working on my blog, I came to know that someone of you are searching for article on "How to make a call in J2ME?". So this article is especially for that user. In this article, I describe you about how to use your phone book & make a call on that number, also you can directly enter any international format number and make a call. So let's start:- Here I'll show you two things - 1) Fetch contacts from your device phonebook, & 2) Make a Call 1) Fetch Contacts from your device phonebook: We can do this activity in two ways - a) By using JSR 75 API, & b) By using TextField property constraint. First method is bit complex and it require signing of application from device vendor, to avoid security prompt while accessing the device phonebook. So we'll skip this method and directly switch to second option. In this you need to use one of the textfield constraint "PHONEBOOK" to access the whole contact list using J2ME ap...

Hey Readers, First of all very nice good evening to all of you. I really appreciate your love and interest and special thanks to Rochak sir, who believe in my posts. If there is any mistake in my posts then please guide me; I am trying to share my knowledge with all of my readers and this will continue in future. Today I am going to share version upgrade for mobile application using J2ME in MIDP 2.0 and MIDP 1.0. Being a developer & entrepreneur you always want how to inform user about the application's version upgrade. Because you don't want to loose your customer and want to facilitate user by application's new features. The solution is as follows:- As a developer or even as a user, I always wish that if there is any version upgrade then please let me know at the startup of application even before Splash Screen appears. You can implement the version upgrade functionality in startApp() method. Even you can also store current version in the RMS. Take a look at the funct...