Hi all.

I am thinking about creating a simple DAW to handle basic sound/midi music 
creation.
In a first instance, the app will be fairly simple, allowing the user to 
import existing midi/sound files into the current song (no creation in mind 
for the moment...).

The main Activity will present the user a track/timeline view of the entire 
project where the user should be able to drag and place items.

Before gettings my hands to work, I am seeking advice in your infinite 
wisdom :) for the following questions:
- What approach is the best to create the canvas with the imported "chunks", 
having in mind that this should be draggable/resizable (add some multitouch 
magic ?)
- Which is the best way to spawn/play the files at their current location 
avoiding latency ? I've been testing the MediaPlayer class (so far tested 
with 60 simultaneous mp3 playing files) with good results.

The timeline/track view should be something like the image below.

Also a side question -  although I refer to midi files, I couldn't find 
nothing appropriate in the Reference. Is there any way to plug a standard 
(widely supported) usb-midi device to my Android (eee pad transformer here) 
and play a midi file through it? May use an external API?

Thanks in advance,
Best regards,
LL

Timeline/Track<https://lh6.googleusercontent.com/-qzFXdgBazMA/ThjzxgCb1yI/AAAAAAAAAEk/c5yGo4o-IQk/timeline.png>

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