Avoid deeply nested control flow statements.

Open

                                        if (offer.getUnit().getValue() >= asked.getUnit().getValue()) {
                                            color = BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_GREEN);
                                        } else {
                                            color = BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_ORANGE);
                                        }

Method filterSingleWords has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public static String filterSingleWords(String input) {
        if (input == null || input.isEmpty()) {
            return input;
        }
        //Don't forget to filter out any punctuation or other symbols

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Method openHelp has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    private void openHelp() {
        Bundle extras = getIntent().getExtras();
        navigationView.setCheckedItem(R.id.menuItem_help);
        Intent intent = new Intent(this, MainHomeActivity.class);
        if (extras != null) {

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Method sendRemoteNotification has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

    static public Task<Void> sendRemoteNotification(Context context, String userId, String title, String body, Map<String, String> data) {

Method getIngredients has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    public List<Ingredient> getIngredients() {
        ArrayList<Ingredient> ingredients = new ArrayList<Ingredient>();
        for (int i = 0; i < ingredientLinearLayout.getChildCount(); i++) {
            if (ingredientLinearLayout.getChildAt(i) instanceof ConstraintLayout) {
                ConstraintLayout step = (ConstraintLayout) ingredientLinearLayout.getChildAt(i);

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Method getAuth has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    public static FirebaseAuth getAuth() {
        FirebaseAuth auth = FirebaseAuth.getInstance();

        if (emulator) {
            try {

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Method onCreate has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        askLocationPermission();
        askNotificationPermission();

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Avoid too many return statements within this method.

Open

        return false;

Method onSignInResult has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    private void onSignInResult(FirebaseAuthUIAuthenticationResult result) {
        IdpResponse response = result.getIdpResponse();
        if (result.getResultCode() == RESULT_OK) {
            // Successfully signed in
            FirebaseUser user = FirebaseInstanceManager.getAuth().getCurrentUser();

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Method equals has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof Utensils) {
            for (String u : ((Utensils) obj).utensils) {
                if (!utensils.contains(u)) {

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Method addIngredient has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    public void addIngredient(Map<String, Integer> idMap, IngredientAutocomplete apiService, boolean offerable, List<String> prefill) {
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
            final View ingredient = inflater.inflate(R.layout.recipe_ingredient_edittext, null, false);
            ImageView removeIngredient = (ImageView) ingredient.findViewById(R.id.removeIngredient);
            ImageView offerIngredient = (ImageView) ingredient.findViewById(R.id.offerIngredientItem);

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Method getOfferable has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    public List<Integer> getOfferable() {
        ArrayList<Integer> ingredients = new ArrayList<>();
        for (int i = 0; i < ingredientLinearLayout.getChildCount(); i++) {
            if (ingredientLinearLayout.getChildAt(i) instanceof ConstraintLayout) {
                ConstraintLayout step = (ConstraintLayout) ingredientLinearLayout.getChildAt(i);

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Method getSteps has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    public List<String> getSteps() {
        ArrayList<String> steps = new ArrayList<String>();
        for (int i = 0; i < stepListLinearLayout.getChildCount(); i++) {
            if (stepListLinearLayout.getChildAt(i) instanceof ConstraintLayout) {
                ConstraintLayout step = (ConstraintLayout) stepListLinearLayout.getChildAt(i);

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Method fetchRecipeList has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    public List<String> fetchRecipeList(){
        //String will represent the ID of the recipe, for now it's just the name
        Map<String, Float> mapOfRecipes = new HashMap<>();

        for(Recipe r :allRecipes){

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Method transformPage has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    public void transformPage(View view, float position) {
        int pageWidth = view.getWidth();
        int pageHeight = view.getHeight();

        if (position < -1 || position > 1) { // [-Infinity,-1)

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Method getTypes has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    private List<Integer> getTypes(LinearLayout typeLayout, Object[] typeValues) {
        ArrayList<Integer> types = new ArrayList<Integer>();
        for (int i = 0; i < typeLayout.getChildCount(); i++) {
            if (typeLayout.getChildAt(i) instanceof ConstraintLayout) {
                ConstraintLayout type = (ConstraintLayout) typeLayout.getChildAt(i);

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