Advanced Java Application
Development for the
BlackBerry Smartphone
Trainer name
Date
© 2009 Research In Motion Limited
Agenda
In this course, you will cover the following topics:
– Introduction to advanced mobile application
development for the BlackBerry® smartphone
– Application control for mobile devices
– Optimization for mobile application development
– Advanced BlackBerry user interface
– Introduction to multimedia application development
for the BlackBerry smartphone
– Understanding push technology
© 2009 Research In Motion Limited
Agenda
In this course, you will cover the following topics:
– Understanding client/server push
– Introduction to developing Bluetooth® applications
for mobile devices
– Developing secure applications
© 2009 Research In Motion Limited
Advanced Java Application Development for the BlackBerry
Smartphone
Objectives:
– Explain the importance of playing media within a
media application
– Create a media application
– Play media in a BlackBerry smartphone application
– Discuss the use of media events
– Send and receive media events
– Discuss audio routing
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Advanced Java Application Development for the BlackBerry
Smartphone
Objectives:
– Create an application that records audio
– Identify supported audio and video formats
– Identify optimal settings for audio and video on
BlackBerry smartphones
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Introduction to multimedia application
development for the BlackBerry
smartphone
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Playing media
You can choose to play media in your BlackBerry
smartphone applications in several ways:
– Create a media application that can play a variety of
media types and formats
– Play media using the BlackBerry Browser
– Play media using the BlackBerry smartphone media
application
© 2009 Research In Motion Limited
Playing media
– You can create a media application by using the API
items in the javax.microedition.media (JSR 135)
package that :
– plays a sequence of tones
– plays media from a web address
– plays media from an input stream
– plays streaming media
– displays a video in a field
– displays an image from the camera viewFinder
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Playing media using the BlackBerry Browser
– Your BlackBerry application can play media in the
BlackBerry Browser by using the methods of the
Browser class and BrowserSession class
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Playing media within a media application
– Use the media application to play media that is:
– stored on a local device
– streamed from a remote device
– both local and streamed media.
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Playing media using the BlackBerry
Browser
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Playing media using the BlackBerry Browser
– Use the methods of the Browser class and
BrowserSession to play media:
• Playing audio
• Playing video
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Playing media in the BlackBerry
smartphone Media application
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Playing media in the BlackBerry smartphone Media
application
– Start the Media application with or without content
– Streaming data from a remote source to the Media
application
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Playing media within your Media
application
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Playing media within your Media application
Accessing stored media
– Accessing media on a BlackBerry smartphone
– Accessing media on a microSD card
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Playing media within your Media application
Streaming media in a BlackBerry device application
– Buffer and play streamed media
• create a custom class that extends
javax.microedition.media.protocol.DataSource
to customize how data is read
• DataSource provides a SourceStream
implementation
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Creating a media player
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Creating a media player
– Use javax.microedition.media (JSR 135)
package to play audio
– A media application must be created first and then
have functionality added.
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Playing media in a BlackBerry
smartphone application
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Playing media in a BlackBerry smartphone
application
– Use javax.microedition.media (JSR 135)
package to play audio
– Provides methods to manage media application
and control the playback
© 2009 Research In Motion Limited
Playing media in a BlackBerry smartphone
application
– An object of a class that implements the Player
interface can be in one of five states:
• UNREALIZED
• REALIZED
• PREFETCHED
• STARTED
• CLOSED
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Playing media in a BlackBerry smartphone
application
– Changing the state of a Player
– Playing media in a BlackBerry application
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Receiving and sending media events
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Receiving and sending media events
– Use javax.microedition.media (JSR 135)
package to listen for and send media application
events:
• Listen for changes to the state of the media
application
• Send the media application event to the
registered PlayerListener
© 2009 Research In Motion Limited
Routing audio
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Routing audio
– Use the AudioPathControl API to play back and
record audio
– Supported audio paths:
• Bluetooth--AUDIO_PATH_BLUETOOTH
• A2DP--AUDIO_PATH_BLUETOOTH_A2DP
• Handset--AUDIO_PATH_HANDSET
© 2009 Research In Motion Limited
Routing audio
– Supported audio paths:
• Handsfree--AUDIO_PATH_HANDSFREE
• Headset--AUDIO_PATH_HEADSET
• Headset Handsfree-AUDIO_PATH_HEADSET_HANDSFREE
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Recording audio
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Recording audio
– Two formats for recording audio:
• AMR (Default)
• 8 kHz mono-16-bit PCM
AMR
PCM
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Adaptive Multi-Rate
pulse code modulation
Supported audio and video formats
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Supported audio and video formats
– The BlackBerry smartphone Media application can
open the following types of media files:
• Videos
• Ring tones
• Pictures
• Music files
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Supported audio and video formats
BlackBerry Browser audio and video support
Support for web feeds
• BlackBerry® Device Software version 4.2 or later:
– RSS 0.9, 1.0, and 2.0
– Atom™
• BlackBerry Device Software version 4.2.2 or later:
– RSS enclosures
RSS
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really simple syndication
Supported audio and video formats
BlackBerry browser audio and video support
Support for web feeds
• BlackBerry browser displays media file based on
their type
• Steamed content is not stored
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Supported audio and video formats
BlackBerry browser audio and video support
Support for media streaming
• BlackBerry Device Software supports a wide
variety of formats, including the following (version
4.3 or later):
– Video: WMV, h.263
– Audio: MIDI, MP3, MP4, WAV
WMV
WAV
Windows Media Video
Wave
MIDI
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musical instrument digital interface
Supported audio and video formats
BlackBerry browser audio and video support
Support for media streaming
• Media streaming over HTTP or RTSP protocols
• Network gateway can limit streaming file size
• No file size limitations over Wi-Fi ®
HTTP
RTSP
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hypertext transfer protocol
real time streaming protocol
Supported audio and video formats
BlackBerry smartphone audio and video support
– There are specific codecs for audio and video for
each BlackBerry smartphone type.
– Some formats support RTSP
– Streaming requires BlackBerry Device Software 4.3
or later
© 2009 Research In Motion Limited
Summary
© 2009 Research In Motion Limited
Summary
– You can create an application that:
• Plays media in the BlackBerry Browser
• Plays media in the Media application
– You can also create an application that:
• Can play audio, video, and binary SVG content
• Record audio and video
• Send audio to a Bluetooth enabled headset
© 2009 Research In Motion Limited
© 2009 Research In Motion Limited
Legal Disclaimer
© 2009 Research In Motion Limited. All rights reserved. BlackBerry®, RIM®, Research
In Motion®, SurePress™ SureType® and related trademarks, names and logos are the
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Limited and its affiliated companies, all of which are expressly disclaimed to the
maximum extent permitted by applicable law in your jurisdiction.
© 2009 Research In Motion Limited