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Android: Media API

Android: Media API. Group 8: Dylan Lentini (AE), Mandy Minuti (WSE), Jean Paul Galea (TL). What is the Android?. Used for Mobile Devices Includes: Operating System (Linux) Libraries (C/C++) Application Framework (API’s) Applications (Java). Android Application: 4 Elements. Activity

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Android: Media API

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  1. Android: Media API Group 8: Dylan Lentini (AE), Mandy Minuti (WSE), Jean Paul Galea (TL)

  2. What is the Android? • Used for Mobile Devices • Includes: • Operating System (Linux) • Libraries (C/C++) • Application Framework (API’s) • Applications (Java)

  3. Android Application: 4 Elements • Activity • Service • Intent • Content Provider

  4. Media API Playback Audio / Video Record android.media.MediaPlayer android.media.MediaRecorder

  5. Playback: MediaPlayer Basics • Play Media From: • Resource Folder • File System Path • URL • Basically • Create new instance of MediaPlayer • Call prepare() • Call start()

  6. Playback: MediaPlayer Class • Set: • Audio Stream • Output Display • Looping • Data Source • Wake Mode • Listeners: • Buffering Update • Completion • Error • When Prepared • Create Using: • URI • Resource ID • URI + Surface • Others: • Start • Prepare • Pause • Release • Reset • SeekTo • Stop • Get: • Position • Duration • FrameAt Inherits from java.lang.Object

  7. Recording: MediaRecorder • Create new instance of MediaRecorder • Create new instance of ContentValues • Create an output file • Set Preview Display • Set Video and Audio Source (Camera and Mic) • Set Properties (File Size, Video Size, Frame Rate) • Set Audio and Video Encoders • Call Prepare() and Start() • Call Stop() and Release()

  8. Uses of Media API • Call: • Receiving – Start mp3 background service • Automatically record conversation or 3G videos • Playing Games: • Sound mp3’s in background, render video in foreground • Clicking buttons sound small ticks (mp3’s) • Conference: • Recording and Playback of Mobile Conference • Synchronising Playback via Bluetooth on Projector • Record Sounds or Movements, Transform into Actions

  9. Thanks Questions? Have a good day 

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