Tag: Tips-TricksPage 2 of 24

5 Tips for Success When Selling Your App in BlackBerry App World

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If you have a BlackBerry app or you’re considering developing one, chances are that you’re trying a variety of channels, one of which is BlackBerry App World. Like any good business, you have to have a strategy for success with App World, and you can’t rely entirely on organic discovery. Here are a few tips to maximize your success in App World.
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5 BlackBerry Theme Developer Tips from MMMOOO

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MMMOOO is a BlackBerry theme and app development company based out of Shanghai, China. MMMOOO’s developers have put together some awesome themes such as Snow Leopard, OS 6 and UltraToday Plus. The company has also developed some great apps such as SuperQWERTY. MMMOO has put together some tips for BlackBerry theme developers and together we’ll help make the theme market spectacular.
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BlackBerry Tips: 2 Ways to Install a Theme or App from the JAD File

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There are a few ways you can install a BlackBerry theme from a JAD file and we’ll present two: a free and paid version. Ideally, someone has hosted the COD and JAD files and provided you a link to the JAD so you can download OTA. Often times you’ll find a theme that is exported by a developer as a bunch of COD files and a single JAD. All you need to know is that the JAD points to all the COD files and tells the BlackBerry how to install the theme. If you have ever tried to load these files through the Desktop Manager, you’ve found that it doesn’t support this sort of side loading. Here are two ways in which you can download these files to your device:
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Widality’s 10 Point Plan for Success Selling a BlackBerry App

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Here is a 10 Point Plan for Success for anyone wanting to enter the crazy chaotic app market, especially those wanting to build a B2B service, which is exponentially harder than building the next trendy gimmick app.

You can download the full white paper released by my company Widality in PDF form.
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How Memory Management Applications Work and How to Save Money

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There are a ton of memory improving apps in App World and the Mobihand Network. They all offer different feature sets, but the common feature is that they all claim to free up memory. So how do they do this? To understand, you need to know a little about how the Java Virtual Machine works and a process called Garbage Collection. Garbage Collection is the process of automatically freeing up objects that are no longer referenced by the program.

Java uses an automatic garbage collector to manage memory. When the developer writes an application, they are going to determine which objects are created and use memory and the Java runtime is responsible for recovering memory that is unused. If no references to that object are made, the garbage collector can free up this memory. This is often where memory leaks happen. If references to an object remain, but that object is not in use, you begin to see the effects on your device.
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How to Fix the GPS on Your BlackBerry

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So you just got a brand new BlackBerry, you slap on Foursquare, let it detect your position, but notice that it’s taking forever.  You make your way through the options menu, select the ‘GPS’ menu and start switching ‘location on’ to ‘location off’ back to ‘location on’, then from ‘enable’ to ‘disable’ back to ‘enable’.  At this point you might make your way back to Foursquare, realize that you’ve had enough patience to deal with the nonsense and run to your service provider claiming that your GPS isn’t working.  Hold the phone.

Turns out that there is a fix that may or may not (depending your carrier) “activate” your GPS.
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