private void doPhoto(int requestCode)

	{

		if(!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){

			showToast(this, "请插入SD存储卡");

			return;

		}

		Intent i = new Intent("android.media.action.IMAGE_CAPTURE");

		picPath = Environment.getExternalStorageDirectory() + "/" + System.currentTimeMillis() + ".png";

		File file = new File(picPath);

		Uri imageUri = Uri.fromFile(file);

		i.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);

		startActivityForResult(i, requestCode);

	}

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

		this.data = data;

		switch (requestCode) {

		case RequestCode_Camera_Self:// 自拍照

			if (resultCode == Activity.RESULT_OK)

			{

				File file = new File(picPath);

				Bitmap bmp = createImageThumbnail(picPath,400);

				byte[] datas = bitmap2Bytes(bmp,

						CompressFormat.JPEG);

				tfPhoto.setProperty("text", datas);

				tfPhoto.setImageBitmap(bmp); // 设置照片现实在界面上

				file.delete();

			}

			return;