Hi,
I have an application which uses Camera preview feature.
I can see the camera preview without any problem.
But, OOH I need to capture preview frame.
I've googled and find out the setPreviewCallback.
But my tablet PC doesn't callback this function as follows.
I am not sure if I am doing something wrong.
Any help is appreciated.
In SurfaceHolder.Callback class in surfaceCreated function I have the
following code.
[Code]
mCamera = Camera.open();
try {
mCamera.setPreviewCallback(new PreviewCallback() {
@Override
public void onPreviewFrame(byte[] data, Camera arg1) {
FileOutputStream outStream = null;
try {
outStream = new FileOutputStream(String.format(
"/sdcard/%d.jpg", System.currentTimeMillis()));
outStream.write(data);
outStream.close();
Log.d(TAG, "onPreviewFrame - wrote bytes: "
+ data.length);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
}
Preview.this.invalidate();
}
});
mCamera.setPreviewDisplay(holder);
} catch (IOException exception) {
//} finally {
mCamera.release();
mCamera = null;
}
[/Code]
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