app/src/main/java/com/redmadrobot/chronos_sample/samples/DataLoadCancel.java
public void onOperationFinished(final SimpleOperation.Result result) {
        if (result.isSuccessful()) {
            mData = result.getOutput();
            showData();
        } else {
            mTextOutput.setText(result.getErrorMessage());
        }
    }
public void onOperationFinished(final SimpleOperation.Result result) {
        if (result.isSuccessful()) {
            mData = result.getOutput();
            showData();
        } else {
            mTextOutput.setText(result.getErrorMessage());
        }
    }
cancelling in the place it happened