public void onClick(View v) {
          if (v == buttonSave) {
            Log.v(TAG, "buttonSave Clicked");
            dialogSave(currMatrix);
          } else if (v == buttonDelete) {
            Log.v(TAG, "buttonDel Clicked");
            if (currMatrix.getId() > 0) {
              dialogDelete(currMatrix);
            } else {
              toastMessage(getString(R.string.unsaved));
            }
          } else if (v == buttonSend) {
            updateMatrixInfo(currMatrix);

            msgBuffer = new StringBuilder("B:");
            msgBuffer.append(currMatrix.getMatrix()).append("\n");

            UploadAsyncTask asyncTask = new UploadAsyncTask();
            asyncTask.execute();
          }
        }