MealListActivity.java

        filterEditText.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {

                if (event.getAction() == MotionEvent.ACTION_UP) {
                    Drawable drawable = filterEditText.getCompoundDrawables()[DRAWABLE_RIGHT];
                    if (drawable != null) {
                        Rect bounds = drawable.getBounds();
                        if (event.getRawX() >= (filterEditText.getRight() - bounds.width())) {
                            String text = filterEditText.getText().toString().trim();
                            if (text.length() != 0) {
                                long ingredientId = ingredientContract.insert(dbHelper, text);
                                mealIngredientContract.insert(dbHelper, meal.getId(), ingredientId);
                                ingredientListAdapter.updateResults(mealIngredientContract.getIngredientsWithMeal(meal, dbHelper));
                                filterEditText.setText("");
                                Toast.makeText(v.getContext(), R.string.ingredient_added_message, Toast.LENGTH_SHORT).show();
                                return true;
                            }
                        }
                    }
                }
                return false;
            }
        });