Concept/features

Base Features

• personal data entry for daily energy expenditure calculation
  • age
  • weight
  • gender? there has to be a more inclusive way
  • factor for weight loss
• daily stats
  • kcal
  • important macros
• daily meals
  • breakfast
  • lunch
  • dinner
  • snacks
• API calls to online food database
• on-device food database
  • offline entries
  • caches of online food items
  • deduplication with online entries via unique IDs
• Search across both on-device and online food items
  • by name (fuzzy?)
  • by EAN
  • via barcode scan
• submit on-device food item to online database
• entry of new food items on-device
  • selection of unit type (e.g. "100g", "package (360g)", "serving (180g)", "1 piece (60g)", "1 scoop (45g)")
  • fractions or decimal
  • amount presets (1, 1/2, 1/3, 1/4, 1/6, 1/8)
• manual item entry
  • name
  • kcal
  • macros (optional)
• adding of food items from the databases to daily meals

Extended Features

• creation of recipes

 * name
 * ingredients (same entry methods as into daily meals)
 * parts of other meals as ingredients (specially flagged new food entry into on-device database)
 * one or more of
   * number of servings
   * final weight of the result

• adding of recipes to daily meals

 * in servings (in fractions or decimal) if servings have been entered
 * in weight if final weight has been entered

Advanced Features

• connection to Google Health data

 * get/set weight
 * get energy expenditure from activity

• option to account for energy expenditure from activity in kcal calculations
• optional cap for max. accounted for energy expenditure from activity per day