Use this code
private void takePicture() {
mCamera.takePicture(null, null, photoCallback);
}
SurfaceHolder.Callback surfaceCallback=new SurfaceHolder.Callback() {
public void surfaceCreated(SurfaceHolder holder)
{
mCamera=Camera.open();
try
{
mCamera.setPreviewDisplay(previewHolder);
}
catch (Throwable t)
{
Log.e("PictureDemo-surfaceCallback","Exception
insetPreviewDisplay()", t);
Toast.makeText(TakePic.this,t.getMessage(),
Toast.LENGTH_LONG).show();
}
}
public void surfaceChanged(SurfaceHolder holder,int format, int
width, int height) {
Camera.Parameters parameters=mCamera.getParameters();
//Customise width/height here - otherwise defaults to screen
width/height
parameters.setPreviewSize(width, height);
parameters.setPictureFormat(PixelFormat.JPEG);
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
parameters.setJpegQuality(100);
mCamera.setParameters(parameters);
mCamera.startPreview();
//-- Must add the following callback to allow the camera
toautofocus.
mCamera.autoFocus(new Camera.AutoFocusCallback(){
@Override
public void onAutoFocus(boolean success, Camera camera) {
Log.d("HOME", "isAutofoucs " +
Boolean.toString(success));
}
} );
}
public void surfaceDestroyed(SurfaceHolder holder) {
if(mCamera != null){
mCamera.stopPreview();
mCamera.release();
mCamera=null;
}
}
};
Camera.PictureCallback photoCallback=new Camera.PictureCallback() {
public void onPictureTaken(byte[] data, Camera camera) {
FileOutputStream outStream = null;
try {
ImgName = String.format("%d.jpg",
System.currentTimeMillis());
Log.d(TAG, "onPictureTaken - raw" + ImgName);
Toast.makeText(TakePic.this, ImgName,
Toast.LENGTH_LONG).show();
extStorageDirectory = TakePic.this.getFilesDir().toString();
Toast.makeText(TakePic.this, extStorageDirectory,
Toast.LENGTH_LONG).show();
Path = (extStorageDirectory + "/" +ImgName );
Log.d(TAG, "onPictureTaken - raw" + Path);
Toast.makeText(TakePic.this, Path,
Toast.LENGTH_LONG).show();
outStream = new FileOutputStream(Path);
outStream.write(data);
outStream.close();
Log.d(TAG, "onPictureTaken - wrote bytes: " + data.length);
GetLocationService();
//startLocationUpdates();
convertDateToString();
SaveData("First Title", dateNow, "Shopping",
String.valueOf(lat),String.valueOf(lag), ImgName);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
}
Log.d(TAG, "onPictureTaken - jpeg");
//-- This segment moved from surfaceDestroyed - otherwisethe
Camera is not properly released
//finish();
}
};
On Fri, Feb 18, 2011 at 6:12 PM, Peter <[email protected]> wrote:
> Hello all,
> creating very basic camera code I got stuck at this: in followin code
> method onPictureTaken() is never being called:
>
>
>
> private PictureCallback pcb = new PictureCallback() {
> @Override
> public void onPictureTaken(byte[] data, Camera
> camera) {
> // Do something here - this place is never
> reached
> }
> };
>
>
>
> Camera c = Camera.open();
> Parameters cp = c.getParameters();
> int JPEG = 0x100;
> cp.setPictureFormat(JPEG);
> c.setParameters(cp);
> c.takePicture(null, null, pcb);
> c.release();
>
>
>
>
> Have you met this behavior before? If so, how to overcome this?
> Behavior is consistent in emulator and in real hardware, versino is
> 2.1.
> Thanks for reading this.
>
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--
Thanks and Regards,
Ankit Kasliwal
[email protected]
+91-9300-940-136
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