This system provides several services for users, as well as for restaurants.
For users, it provides health care services, including weight loss function, and reminder function.
1.
weight loss function:
This function can help users to set their weight loss goal, and supervise them to reach the goal effectively.
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The PDA application records all the data of daily diet and exercise entered by users, and then does some judgments.
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It shows whether the calorie is over the daily amount set by the user. If it is, alert message will pop up to warn the user.
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The application also can show the weight trend. That means the users would be fatter or slimmer if he/she keeps eat similar food.
2.
reminder function:
This function uses alter, notice, and warning message to help users eat nutritious food, and take care of their diseases.
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For some users with certain disease, such as diabetes, the PDA application would remind them of what they can eat, and what cannot.
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The application can also remind patients to eat pills on time. Reminding message will automatically pop up if it is time for them to take pills.
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The application can also tell the user which food is more suitable. When the user enters several kinds of food that he/she wants to choose from, the application would calculate the calorie contained in each food, and then tell the user which one is more nutrient.
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As the application can collect many data from different user input, it can show the most popular food of each restaurant to its users. So that the user can make a quite decision of what to eat if they are not familiar with food in that restaurant.
For restaurants, the application can help them to service their customers better.
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Restaurants can update their menus anytime, and also broadcast any promotion to application users.
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As all the order of food is recorded by the application, restaurants can be informed of the most popular food ordered by the application users. So that they can know the popular taste of their customers.