public void photo() { 
    Intent openCameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE); 
    startActivityForResult(openCameraIntent, TAKE_PICTURE); 
  } 

protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
    switch (requestCode) { 
    case TAKE_PICTURE: 
      if ( resultCode == RESULT_OK) { 
 
        String fileName = String.valueOf(System.currentTimeMillis()); 
        Bitmap bm = (Bitmap) data.getExtras().get("data"); 
         
        FileUtils.saveBitmap(bm, fileName); 
         
        String imagePath = FileUtils.SDPATH+fileName + ".JPEG"; 
 
        //将刚拍照的相片在相册中显示 
        Uri localUri = Uri.fromFile(new File(imagePath)); 
        Intent localIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, localUri); 
        sendBroadcast(localIntent);  
         
      } 
      break; 
    }