public void onFillRequest()

in AutofillFramework/afservice/src/main/java/com/example/android/autofill/service/simple/MultiStepsService.java [68:136]
57 lines of code
16 McCabe index (conditional complexity)

    public void onFillRequest(FillRequest request, CancellationSignal cancellationSignal,
            FillCallback callback) {
        int saveType = SaveInfo.SAVE_DATA_TYPE_GENERIC;
        Bundle clientState = request.getClientState();
        if (clientState != null) {
            saveType = clientState.getInt(SAVE_TYPE_KEY, saveType);
        }
        Log.d(TAG, "onFillRequest(): saveType=" + saveType);

        // Find autofillable fields
        AssistStructure structure = getLatestAssistStructure(request);
        ArrayMap<String, AutofillId> fields = getAutofillableFields(structure);
        Log.d(TAG, "autofillable fields:" + fields);

        if (fields.isEmpty()) {
            toast("No autofill hints found");
            callback.onSuccess(null);
            return;
        }

        Collection<AutofillId> ids = fields.values();
        AutofillId[] requiredIds = new AutofillId[ids.size()];
        ids.toArray(requiredIds);
        for (int i = 0; i < fields.size(); i++) {
            String hint = fields.keyAt(i);
            switch (hint) {
                case View.AUTOFILL_HINT_USERNAME:
                    saveType |= SaveInfo.SAVE_DATA_TYPE_USERNAME;
                    break;
                case View.AUTOFILL_HINT_EMAIL_ADDRESS:
                    saveType |= SaveInfo.SAVE_DATA_TYPE_EMAIL_ADDRESS;
                    break;
                case View.AUTOFILL_HINT_PASSWORD:
                    saveType |= SaveInfo.SAVE_DATA_TYPE_PASSWORD;
                    break;
                case View.AUTOFILL_HINT_CREDIT_CARD_NUMBER:
                case View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DATE:
                case View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_DAY:
                case View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_MONTH:
                case View.AUTOFILL_HINT_CREDIT_CARD_EXPIRATION_YEAR:
                case View.AUTOFILL_HINT_CREDIT_CARD_SECURITY_CODE:
                    saveType |= SaveInfo.SAVE_DATA_TYPE_CREDIT_CARD;
                    break;
                case View.AUTOFILL_HINT_POSTAL_ADDRESS:
                case View.AUTOFILL_HINT_POSTAL_CODE:
                    saveType |= SaveInfo.SAVE_DATA_TYPE_ADDRESS;
                    break;
                default:
                    Log.d(TAG, "Ignoring hint '" + hint + "'");
            }
        }

        Log.d(TAG, "new saveType=" + saveType);
        if (clientState == null) {
            // Initial request
            clientState = new Bundle();
        }
        // NOTE: to simplify, we're saving just the saveType, but a real service implementation
        // would have to save the previous values as well, so they can be used later (for example,
        // it would have to save the username in the first request so it's used to save the
        // username + password combo in the second request.
        clientState.putInt(SAVE_TYPE_KEY, saveType);

        // Create response...
        callback.onSuccess(new FillResponse.Builder()
                .setClientState(clientState)
                .setSaveInfo(new SaveInfo.Builder(saveType, requiredIds).build())
                .build());
    }