private Template getUsernameSignInTemplate()

in car_app_library/showcase/common/src/main/java/androidx/car/app/sample/showcase/common/templates/SignInTemplateDemoScreen.java [141:191]
43 lines of code
9 McCabe index (conditional complexity)

    private Template getUsernameSignInTemplate() {
        InputCallback listener = new InputCallback() {
            @Override
            public void onInputSubmitted(@NonNull String text) {
                if (mState == State.USERNAME) {
                    mUsername = text;
                    submitUsername();
                }
            }

            @Override
            public void onInputTextChanged(@NonNull String text) {
                // This callback demonstrates how to use handle the text changed event.
                // In this case, we check that the user name doesn't exceed a certain length.
                if (mState == State.USERNAME) {
                    mUsername = text;
                    mErrorMessage = validateUsername();

                    // Invalidate the template (and hence possibly update the error message) only
                    // if clearing up the error string, or if the error is changing.
                    if (!mLastErrorMessage.isEmpty()
                            && (mErrorMessage.isEmpty()
                            || !mLastErrorMessage.equals(mErrorMessage))) {
                        invalidate();
                    }
                }
            }
        };

        InputSignInMethod.Builder builder = new InputSignInMethod.Builder(listener)
                .setHint("Email")
                .setKeyboardType(InputSignInMethod.KEYBOARD_EMAIL);
        if (mErrorMessage != null) {
            builder.setErrorMessage(mErrorMessage);
            mLastErrorMessage = mErrorMessage;
        }
        if (mUsername != null) {
            builder.setDefaultValue(mUsername);
        }
        InputSignInMethod signInMethod = builder.build();

        return new SignInTemplate.Builder(signInMethod)
                .addAction(mProviderSignInAction)
                .addAction(getCarContext().getCarAppApiLevel() > CarAppApiLevels.LEVEL_3
                        ? mQRCodeSignInAction : mPinSignInAction)
                .setTitle("Sign in")
                .setInstructions("Enter your credentials")
                .setHeaderAction(Action.BACK)
                .setAdditionalText(mAdditionalText)
                .build();
    }