Blackberry Knowledge Base Articles

     
1. Application Deployment

Genaral Topics
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How To - Define the position of an application icon on the BlackBerry smartphone Home screen How To - Handle stored data when removing an application
How To - Load applications onto a BlackBerry smartphone
Support - A module with that name already exists in the application
Support - Application installation errors
Support - BlackBerry MDS Runtime 1.1.2 with BlackBerry Device Software 4.3.0 stops responding when an application calls from the on_init script
Support - MIDlet has verification error at offset
Support - Module net_rim_bbapi_mail not found
Support - Protocol not found- null error
Support - Unable to activate custom theme or theme not listed
Support - Version 4.0 applications do not run on the device
What Is - Indications of insufficient space to install an application on the BlackBerry device
What Is - JVM error codes
What Is - JVM error codes for BlackBerry Device Software 4.2 and later


OTA Download
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How To - Programmatically read the attributes of a JAD file
Support - 907 Invalid Jar Error when installing an application wirelessly
Support - Warning - This application does not contain a signature. It might not be from a trusted source.
What Is - The file size limit for wireless downloads
What Is - The required MIME types for a web server to serve BlackBerry applications


Desktop Loading
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How To - Configure ALX files to make an application 'required'
How To - Create a single ALX file to install multiple versions of an application
How To - Install the BlackBerry API update via Desktop Manager or wirelessly
How To - Remove wirelessly downloaded applications
How To - Update the registry to deploy Java applications using Desktop Manager
Support - Handheld displays net_rim_xml not found error
Support - Invalid digital signature errors when installing an application
Support - No system software was found for your device
Support - Unspecified error encountered [J-0x00000011] when upgrading a third-party application
What Is - An .alx file


Enterprise server application push
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How To - Deploy an icon to the BlackBerry smartphone for a web application or URL


Blackberry Application Web Loader
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Support - The BlackBerry Application Web Loader is unable to create a local copy of files


2. Java APIs & Samples

Memory Management
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How To - Download large files using the BlackBerry Mobile Data System
How to - Prevent a memory leak when implementing an ApplicationMenuItem
Sample Code ---- Object Groups - Why and How to Use Them
What Is - File storage limits in the Content Store
What Is - Object Grouping - Using resources effectively

Mail
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How To - Retrieve the default email address for the device
How To - Access HTML email messages
How To - Capture the contents of email and PIN messages before sending
How To - Create a custom Attachment Handler on the BlackBerry device
How To - Create an Attachment
How To - Create and send messages
How To - Display a PopupScreen from a SendListener
How To - Implement the ViewListener interface
How To - Programmatically send a PIN message
How To - Retrieve More of a Message
How To - Send a message from a non-default email address
Support - Error when sending a PIN message - MessagingExceptionPin message not sent. Do not have the permissions to send the message.
Support - Transport.more fails to retrieve all of a message
What Is - Application is not notified when new messages arrive


Invoking Blackberry Application
-------------------------------
How To - Invoke applications
How to - Make a running UI application go to the background and resume in the foreground
How To - Open a file in a Documents To Go application
What Is - Application does not provide invocation feedback

GPS
----
How To - Add an ApplicationMenuItem to BlackBerry Map
How To - Configure a Bluetooth GPS Receiver for use with the Location API
How To - Define criteria to retrieve a GPS fix
How To - Detect when GPS is no longer available and when to reset the LocationProvider
How To - Invoke BlackBerry Maps
How To - Manage simultaneous GPS and phone usage on the BlackBerry 8703e and the 7130e smartphones
Support - Cellsite fix prevents acquiring autonomous GPS fixes
Support - Incorrect network time
Support - Invoking BlackBerry Maps throws unexpected runtime exception
What Is - Best practices for designing GPS applications for BlackBerry smartphones operating on CDMA networks
What Is - BlackBerry Maps location document format
What Is - The BlackBerry smartphone models and their corresponding GPS capabilities
What Is - Verizon GPSSettings signing requirement


Cryptography APIs and Security
------------------------------
How To - Save requested application permissions in the Application Permissions screen
How To - Create a Unique long from a String
How to - Use Advanced Encryption
How to - Use Basic Encryption
How To - Use Content Protection


Browser API
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How To - Change the RenderingOptions of a RenderingSession
How To - Create a Fixed Size BrowserField
How To - Create a web icon
How to - Create a web signal registration application
How To - Enable cookies in BrowserField
How To - Invoke a non-default browser session
How To - Invoke the browser
How To - Invoke the browser with raw HTML
How To - Invoke the default browser
How To - Perform a browser push over SSL
What Is - A ControlledAccessException is thrown when using the HttpFilterRegistry
What Is - The Push notification format

Bluetooth - USB - Serial
-------------------------
How To - Run the BlackBerry Serial Port Demo
How To - Use the Bluetooth classes
How To - Use the ServiceRouting API
Support - IOException thrown when opening a server-side Bluetooth connection
What Is - Bluetooth support on BlackBerry devices


Audio & Video
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How To - Invoke the media application
How To - Obtain the media playback time from a media application
How To - Play audio in an application
How To - Play video within a BlackBerry smartphone application
How To - Record audio on a BlackBerry smartphone
How To - Specify Audio Path Routing
How To - Support streaming audio to the media application
How To - Take a snapshot using the built-in camera of a BlackBerry smartphone
Known Issue - Delay in playing audio when streaming to a Bluetooth headset
Support - Alert.startBuzzer() does not work
Support - Playing audio in an application pauses the Media application on BlackBerry smartphones running on the CDMA network
What Is - Media application error codes
What Is - setMediaTime does not work for AMR files
What Is - Supported audio formats


Menu Item and Options
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How To - Add a custom menu item to an existing BlackBerry application
How To - Add application options to the BlackBerry Options
How To - Handle ApplicationMenuItem Invocation


MIDP & CLDC APIs
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How To - Access images in a MIDP application
How To - Capture volume keys in a MIDlet
How To - Create a MIDlet that uses custom animation
How To - Create an auto-start MIDlet using the PushRegistry
How To - Establish an HTTP connection
How To - Implement basic HTTP authentication
How To - Register a MIDlet with the PushRegistry
How To - Use RMS storage efficiently in BlackBerry applications
Support - Classname does not exist in the current application package
Support - Verification error using javax.microedition.rms.RecordStore on BlackBerry Device Software 3.8 and 4.0
What Is - Cannot run a MIDP 2.0 application in BlackBerry Device Software 4.0


Micellaneous
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How To - Access and Obtain Service Books on a device
How To - Capture Signature on the BlackBerry Storm
How to - Create a singleton using the RuntimeStore
How To - Detect Alt and Shift key clicks
How To - Determine if a BlackBerry smartphone supports Wi-Fi capabilities
How to - Display custom messages in the request permission dialog
How To - Format the electronic serial number (ESN)
How To - Get time zone offsets with DST
How To - Implement a Comparator to compare objects
How To - Implement a string splitter based on a given string delimiter
How To - Interpret wireless network signal levels How To - Write safe initialization code
Known Issue - The RadioStatusListener.mobilityManagementEvent method is not invoked
Support - Preventing verification errors
What is - Event injection
What Is - New and Deprecated APIs in BlackBerry Java Development Environment 4.0
What Is - New and Deprecated APIs in BlackBerry Java Development Environment 4.1
What Is - New and Deprecated APIs in BlackBerry Java Development Environment 4.2


Networking
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How to - Determine the country code of the current mobile subscriber  How To - Determine the MCC and MNC of the current network


Persistence
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How To - Programmatically determine if a microSD card has been inserted

Phone
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How To - Implement the PhoneListener interface
How To - Log Phone Calls
Support - The getDevicePhone method returns null


PIM-PDAP
--------
How To - Access Address Book contacts
How To - Add a PIM item to a custom category
How To - Create an Event within the Calendar application
How To - Launch the Address Book and return a contact
How To - Use Remote Address Lookup through coding  Support - Application stops receiving event notifications when using the PIMListListener API


SVG Content
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How to - Use Plazmic Content Developer's Kit in your BlackBerry Application
Known Issue - Irregular focus behaviour on first hotspot when loading PME content
Known Issue - Losing the anchor when rendering SVG images in MIDlets
What Is - Browser fails to retrieve resources using relative URLs in PME content


Synchronization APIs
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How To - Backup and restore small amounts of data using SyncItem
How To - Compile the Desktop Add-In sample
How To - Save data with RMS
How To - Store persistent data on the BlackBerry smartphone


System Classes
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How To - Add plain text or binary files to an application
How To - Allow an application to restart itself
How to - Capture power change events
How to - Code time-sensitive applications
How To - Detect if the BlackBerry smartphone is holstered or flipped
How To - Display a GUI when the BlackBerry device starts up
How To - Enable the backlight and prevent the screen from turning off
How To - Launch a third-party application from another third-party application
How To - Obtain the operating system version of a BlackBerry wireless device
How to - Programmatically install and upgrade applications
How To - Retrieve the BlackBerry Device Software version
Support - An unsupported API was called by the JVM RadioGetGprsState
Support - getObjectSize and getAllocated return 0
What Is - Global Events and Global Event Listeners
What Is - Supported System.getProperty keys
What Is - System Global Events
What Is - The reason a reset is required when upgrading an application


Voice Notes
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How To - Use the Voice Notes APIs
Samples --- VoiceNotesDemo Sample Code


XML
---
How To - Control the behavior of white space when parsing an XML document
How To - Use the XML Parser


User Interface

Fields
-------
How To - Add a TreeField to a device screen
How To - Apply a phone number filter to an AutoTextEdit field
How To - Change the text color of a field
How To - Create a colour ListField
How To - Create a custom field using attributes of other UI objects
How To - Create a custom width for a ListField
How To - Create a ListField with check boxes
How To - Create a Scrollable Image Field
How To - Create custom fields
How To - Determine the number of visible items on the BlackBerry device screen
How To - Display a progress bar in handheld applications
How To - Display an animated GIF
How To - Display dates and times in handheld applications
How To - Format text in a RichTextField
How to - Make list items appear on a screen
How To - Show focus changes using BitmapField
How to - Use an image in an application
How To - Use the paint() method to draw objects to the screen
How To - Work around ListField painting issue in early versions of BlackBerry Device Software version 4.2.2
Support - A Field's font is displayed incorrectly when set in the paint method
Support - Error starting [Application Name].Symbol'DateField.[init] not found
Support - NullPointerException is thrown when the isEditable and fieldChangeNotify methods of EditField are overridden
Support - The Custom Field is not drawing properly


Managers
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How To - Create a custom layout manager for a screen
How To - Create a screen with stationary headings
How To - Create tabbed view screens
How To - Manage bitmaps in an application using field managers
How to - Perform double buffering using the BlackBerry UI
How To - Place multiple UI fields on one line
How to - Use the User Interface API to create an editable table
Support - My scrollable manager is not scrolling



Screens
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How to - Change the background color of a screen
How To - Clear the status of a MainScreen
How To - Create a custom Dialog
How To - Create a File Selection Popup Screen
How To - Create a splash screen
How To - Have Your Application Perform an Action after a Global Alert
How to - listen for a dialog closed event
How To - Obtain the Height and Width of a Screen
How To - Prevent a UiApplication from being listed in the application switcher
How To - Properly Push and Pop Global Screens
How to - Protect BlackBerry applications with a password screen
How To - Remove the default "Close" or "Hide" MenuItems from a Screen
How to - Update a screen on the Main Event Thread
How To - Use a Backdoor Sequence



General
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How To - Add Copy, Paste, and other context-specific items to a menu
How To - Alert a user from a Background application
How To - Capture and save a screen shot
How To - Change fonts in a BlackBerry application
How To - Control the screen orientation
How To - Create an icon for an application
How To - Define a rollover icon for an application
How To - Detect when an application or screen moves to the foreground or background
How To - Distinguish between a full menu and a primary actions menu
How to - Leverage pattern matching in BlackBerry smartphone applications to provide an integrated user experience
How to - Make your BlackBerry application more user-friendly
How to - Manage UI interactions
How To - Programmatically determine type of keyboard
How To - Use a background image in application screens
Known Issue - Screen.invalidate() does not cause a subsequent call to paint()
What Is - BlackBerry UI hierarchy
What Is - Image formats used in BlackBerry applications
What Is - Screen buffer size



3. Blackberry Administration API

How To - Get started with the BlackBerry Administration API
What Is - Sample application demonstrating BlackBerry Administration API technology



4. Blackberry JDE


Executing clean.bat does not delete third-party applications from the BlackBerry Smartphone Simulator
How To - Add a Certificate to DeviceKeyStore
How To - Add files to a project
How To - Compile a JAR file into a BlackBerry Library
How To - Compile a MIDlet into a COD file
How To - Compile an application
How To - Configure an application to start automatically when the device is turned on
How To - Configure multiple versions of BlackBerry JDE on the same computer
How To - Configure the BlackBerry Mobile Data Service Simulator to allow reliable push connections
How To - Connect the JDE to a specified simulator bundle
How To - Debug an application running on a live BlackBerry smartphone
How To - Detect a deadlock using the JDE
How to - Detect system availability on startup
How To - Determine the Current Network Name
How To - Enable a keyboard shortcut for an application
How To - Find memory leaks in code
How To - Gain access to the BlackBerry JDE
How To - Get started with the BlackBerry JDE
How To - Obfuscate code for a BlackBerry application
How To - Setup an alternate entry point for my application
How To - Update the Path environment variable
How To - Use Javaloader to take a screen shot
How To - Use the Coverage tool to provide code coverage when testing applications
How To - Use the Profiler tool to optimize application code
How To - Use the RAPC compiler
Support - BlackBerry Java Development Environment and supported locales
Support - BlackBerry JDE 3.7 IDE Fatal Error on startup
Support - BlackBerry JDE crashes when using the Objects view
Support - BlackBerry JDE fails to start
Support - BlackBerry JDE JAR files no longer function after WinRAR is installed
Support - BlackBerry JDE stops responding when viewing project properties
Support - Compiled application size is larger in BlackBerry JDE 4.3.0 or later
Support - Connection Timeout error when launching JDWP from Eclipse
Support - Error - com.sun.tools.javac.code.Symbol$CompletionFailure - file net\rim\device\internal\ui\Border.class not found
Support - Error cod data section too large
Support - Error when debugging - Cannot find RIMIDEWin32Util.dll. This is a required component of the IDE.
Support - How to fix BlackBerry JDE screen artifacts
Support - I/O Error CreateProcess
Support - I/O Error Import file not found appears when building an application
Support - Missing stack map at label
Support - Ordinal 11 could not be located in the dynamic link library DSound.dll
Support - Signing does not apply the RIM Runtime signature key
Support - Unable to Open Socket when running JDWP
Support - Vtable record size exceeds maximum record size
What Is - A library and how to use it
What Is - A stack trace
What Is - Appropriate version of the BlackBerry JDE
What Is - Control Flow Verification Information Too Large
What Is - Introduction to the BlackBerry JDE
What Is - 'javaw' error when starting the JDE after installation
What Is - Supported versions of Java for different BlackBerry JDE versions
What is - The Alias List for a project in the BlackBerry JDE
What Is - The debugger
What Is - The project size limit
What Is - Writing applications for the Java-based BlackBerry Wireless Handhelds in C and C++ native code