Use Android Camera Without Surface View
I'm developing on android, i want to do somethings with camera (process pixels's values), but just in background, is it possible to do it without surface view? just use a buffer to
Solution 1:
As of API-Level 11 the SurfaceTexture was added. With it a SurfaceView is no longer needed. I tested the following code with my Samsung Galaxy S3 Neo.
mCamera = Camera.open();
try {
mCamera.setPreviewTexture(new SurfaceTexture(10));
} catch (IOException e1) {
Log.e(Version.APP_ID, e1.getMessage());
}
Parameters params = mCamera.getParameters();
params.setPreviewSize(640, 480);
params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
params.setPictureFormat(ImageFormat.JPEG);
mCamera.setParameters(params);
mCamera.startPreview();
mCamera.takePicture(null, null, null, new PictureCallback() {
@Override
publicvoidonPictureTaken(byte[] data, Camera camera) {
Log.i(Version.APP_ID, "picture-taken");
}
});
Solution 2:
I've been looking for an answer to this for a while. I found it there, copied here for convenience.
http://handycodeworks.com/?p=19
Basically, let's just create a dummy SurfaceView (it works even inside a Service), and use it for Camera functions.
SurfaceViewview=newSurfaceView(this);
c.setPreviewDisplay(view.getHolder());
c.startPreview();
c.takePicture(shutterCallback, rawPictureCallback, jpegPictureCallback);
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