Write an enhanced MediaPlayer class for mp3 playing for Android 4.0+

We are developing an educational APP for lanugage-studying.

We need an enhanced MediaPlayer class which can

[url removed, login to view] change the tempo of mp3 while playing, and with no pitch-shifting.

We are satisfied with perfermance of an APP called Audipo in Google Play store. You can check it out for further understading.

[url removed, login to view] playback at certain point according to a lyric file (please see attachment for the look of lyric file) while playing. This function should be having a toggle, which can turn on/off the pause function during the playing.

3.(relating to function 2) should have a method giving the current lyric (as string) according to where the mp3 is.

Other requirements:

1. you shall write a demo app to achieve these function.

2. you shall write java doc for the class you design

3. you shall write a conprehensive implementation guide of how to use this class (because we have to do it again in our own project)

4. you can use any open source library as you want (please notify us in advance if you are using commercial library). You need to specify them in the class file.

5. when it comes to tempo-changing, you shall regard Audipo App as the benchmark. The tempo-changing process should be real-time and preparation time should be almost to zero (or not noticed by users).

Compétences : Android, Mobile App Development

en voir plus : play store for android, play store app for android, playing time app, mp3 app for android, java for android, java 1.5 doc, is android open source, how to use android, developing for android, android string, android process, android play store, android commercial, android benchmark, android 5.0, android 4.4, android 4.3, android 4.2.2, android 4.2, android 3.0

Concernant l'employeur :
( 8 commentaires ) Gainesville, United States

Nº du projet : #5446569

Décerné à:


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5 freelance font une offre moyenne de $415 pour ce travail


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