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How to Write a BlackBerry Application – Lesson 3: Create shortcuts and more

  • Fabian M. Heuwieser
  • 27 June 2014 at 00:04
  • Blackberry
  • 549
  • 22
  • United States
 


Author: Fabian M. Heuwieser Language: United States
License: Freeware
Size: 0 KB
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How to write a BlackBerry application – Lesson 3: Open a webpage, system-wide menu Item, adding an icon and yes/no dialog


This is lesson 3 in a series of BlackBerry application development lessons. These lessons are intended to bring someone with no experience in developing applications for BlackBerry, up to speed with the latest development techniques. It’s easier than you think so try it out!


Before starting, this lesson, make sure you have read Lesson 1 and Lesson 2.

1.      Go into the folder where your BlackBerry Lections.jdw file is
2.      Create a folder there called Lection 3
3.      Open up your JDE and open the Workspace called Lections.jdw
4.      Right-Click on Lections.jdw
5.      Select Create new Project
6.      Name the Project Lection_3 and save it to the Folder Lection 3
7.      Copy the two files HelloWorld.java and Lesson3Screen.java into the Lection 3 folder
8.      In the JDE right-click on Lection_3 and add the two files HelloWorld.java and Lesson3Screen.java into the project


In this Lesson, you learn how to open up a webpage with the default BlackBerry browser. You can use that to create your own Website-Shortcuts or Link to your Homepage straight out of your BlackBerry application.


BlackBerry


 
Another thing you learn in this lesson is how to add your own Menu to the System-Menu! Now you can call up your application or do anything else from everywhere in the System. Make sure that you do not add to many Menus to the System-Menu since that can get very confusing for the user.


BlackBerry


This is what happens when you call up the Menu from anywhere in the System:


BlackBerry
 


The third thing you learn is how to add an Icon to your application and how to set the Name for the app.


blackberry


To add an Icon to the application please do the following:
1. Right-Click on Lection_3 and select Add File to Project
2. Select the file icon.png
3. Right-Click on the newly added file icon.png
4. Click Properties
5. Tick Use as Application Icon


Make sure that the icon you add is about 50×50 pixel and in transparent PNG. I use the software Gimp 2 to edit the icon and to set the transparency.
 
To set a name for the application you created right-click on Lection_3, select Properties, click on the General-Tab and set the Name in the Title field. There you can also edit the Vendor, Version and Description.


BlackBerry


 
Another small feature is a simple Yes/No Dialog. Here is what it looks like:


blackberry
 
I hope you enjoyed this BlackBerry Development Lesson. Please visit my website at mobileutil.com and follow me on Twitter twitter.com/FabianMH!


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