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BOOK: Professional Android Application Development ISBN: 978-0-470-34471-2
This is the forum to discuss the Wrox book Professional Android Application Development by Reto Meier; ISBN: 9780470344712
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Old January 16th, 2009, 03:36 PM
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Question Saving picture: RAW and jpeg

Hello and thanks for the book! (My first programming book!),

I'm trying to Take Picture and save it as JPEG file on SDcard.

1) I assume that Picture Saving process is happening within:

//TODO Handle jpeg image data

However, what do we do inside:

//TODO Handle RAW image data

2) Also, by // TODO Do smth with the preview image I assume You mean:
1. Create smth to Click
2. So that when you click takePicture() is called.
(am I right?)
When do we stopPreview()?

3) When do we startPreview()?

-Let's say I have a menu on my welcome screen with buttons.
-When I click on "Take Picture" we start the Camera, setParams, and startPreview.(?)
-preview is playing... then we click on [KeyEvent.KEYCODE_DPAD_CENTER]
-takePicture is called (?). I dont exactly know what takePicture() does, but I assume it returns some bytes.
-And those bytes are PictureCallback???

Is this the right scenario?


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