Fig. 2. Overview of the application screen and functionalities available within the application. The primary section is dedicated to weight management. Here, users can consistently monitor their weight and body mass index (BMI) with variations over time. On the secondary tab, users encounter missions related to daily calorie management. These missions guide users toward aligning their calorie intake with recommended values, facilitating a healthier lifestyle. Third screen introduces missions designed to promote calorie-conscious behaviors and encourage physical activity. Within the Meal search, users can search for specific meals and access valuable information about their nutritional value, including the percentage of essential nutrients contained in each food item. Meal input tab is a comprehensive tool that allows users to input detailed meal information. Users can specify meal types, record the date and time of consumption, list individual food items consumed, and attach pictures for reference. Lastly, the Meal analysis offers users the ability to analyze their meal-related data. This includes a graphical representation of total calorie intake, numerical values of average intake, and a count of instances where overeating has occurred.
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