I have a screenshot of the flicker here: http://tinypic.com/r/35003lv/6
On 5 Dec., 12:59, kaloer <[email protected]> wrote: > Hi, > > I have an Dialog with a custom view. This view has a SurfaceView which > shows a camera preview. However, the preview is very flickering. > > The taken photo does not contain flicker. It looks as it should. > > Why does the preview flicker? (The camera does work :-) ) > > This is my custom view: > --------- > > public class CameraView extends LinearLayout implements > SurfaceHolder.Callback, OnClickListener, PictureCallback { > > private SurfaceView surfView; > private SurfaceHolder previewHolder; > private Camera camera; > OnProfilePictureTakenListener onProfilePictureTakenListener = null; > > public CameraView(Context context) { > super(context); > setOnClickListener(this); > surfView = new SurfaceView(getContext()); > addView(surfView); > previewHolder = surfView.getHolder(); > previewHolder.addCallback(this); > > previewHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); > } > > @Override > public void surfaceChanged(SurfaceHolder holder, int format, int > width, > int height) { > Camera.Parameters parameters = camera.getParameters(); > parameters.setPreviewSize(width, height); > parameters.setPictureFormat(PixelFormat.JPEG); > camera.setParameters(parameters); > camera.startPreview(); > } > > @Override > public void surfaceCreated(SurfaceHolder holder) { > camera = Camera.open(); > try { > camera.setPreviewDisplay(previewHolder); > } catch(Throwable t) { > Log.e("surfaceCallback", "Exception", t); > Toast.makeText(getContext(), t.getMessage(), > Toast.LENGTH_LONG).show > (); > } > } > > @Override > public void surfaceDestroyed(SurfaceHolder holder) { > camera.stopPreview(); > camera.release(); > camera = null; > } > > @Override > public void onClick(View v) { > takePicture(); > } > > private void takePicture() { > camera.stopPreview(); > camera.takePicture(null, null, this); > } > > @Override > public void onPictureTaken(byte[] data, Camera camera) { > new SavePhotoTask().execute(data); > camera.startPreview(); > } > > public void setOnPictureTakenListener(OnProfilePictureTakenListener > lis) { > onProfilePictureTakenListener = lis; > } > > class SavePhotoTask extends AsyncTask<byte[], String, String> { > > @Override > protected String doInBackground(byte[]... jpeg) { > File photo = new > File(Environment.getExternalStorageDirectory(), > "/.addMePictures/" + System.currentTimeMillis()); > if(photo.exists()) { > photo.delete(); > } > try { > FileOutputStream fos = new > FileOutputStream(photo.getPath()); > fos.write(jpeg[0]); > fos.close(); > } catch(IOException e) { > e.printStackTrace(); > } > if(onProfilePictureTakenListener != null) { > > onProfilePictureTakenListener.onProfilePictureTaken(photo); > } > return null; > } > > } > > public interface OnProfilePictureTakenListener { > public abstract void onProfilePictureTaken(File imgFile); > } > > } > > -------- > > Thank you very much! > > //Kaloer -- You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en
