android - How to automatically save and load user input kivy -
i making app there profile screen in can enter generic profile information (name, height, weight, ect..) using textinput boxes. know there way put button next each textinput box save information , button load information. wondering if there way automatically load information when user opens app rather manually loading information hitting button. have suggested ussing subclass of configparser parse standard ini files , use load app-specific settings, have no idea how this.
kivy file:
<phone>: result: _result h: _h w: _w anchorlayout: anchor_x: 'center' anchor_y: 'top' screenmanager: size_hint: 1, .9 id: _screen_manager screen: name: 'home' canvas.before: rectangle: pos: self.pos size: self.size source: "/home/aaron/desktop/main.png" label: markup: true text: '[size=100][color=ff3333]welcome [color=ff3333]diabetes manager[/color][/size]' screen: name: 'menu' gridlayout: cols: 2 padding: 50 canvas.before: rectangle: pos: self.pos size: self.size source: "/home/aaron/desktop/main.png" button: text: 'my profile' on_press: _screen_manager.current = 'profile' button: text: 'history' on_press: _screen_manager.current = 'history' button: text: 'new entry' on_press: _screen_manager.current = 'new_entry' button: text: 'graph' on_press: _screen_manager.current = 'graph' button: text: 'diet' on_press: _screen_manager.current = 'diet' button: text: 'settings' on_press: _screen_manager.current = 'settings' screen: name: 'profile' gridlayout: cols: 1 boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=40][color=0000ff]name[/color][/size]' textinput: id: _name hint_text: 'name' boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=40][color=0000ff]gender[/color][/size]' textinput: id: _gender1 hint_text: 'gender' boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=34][color=0000ff]type of diabetes[/color][/size]' textinput: id: _type hint_text: 'type of diabetes' boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=40][color=0000ff]height (in)[/color][/size]' textinput: id: _h hint_text: 'height in inches' boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=40][color=0000ff]weight (lb)[/color][/size]' textinput: id: _w hint_text: 'weight in pounds' boxlayout: button: text: 'calculate bmi' on_press: root.product(*args) label: size_hint_x: 4.5 id:_result bold: true markup: true text: '[size=40][color=0000ff]bmi[/color][/size]' boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=30][color=0000ff]list of medications[/color][/size]' textinput: id: _meds hint_text: 'list of medications' boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=38][color=0000ff]insulin times[/color][/size]' textinput: id: _times hint_text: 'please enter times take insulin' screen: name: 'history' gridlayout: cols:1 screen: name: 'new_entry' gridlayout: cols:1 boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=40][color=0000ff]time[/color][/size]' textinput: id: _time hint_text: 'current time' boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=28][color=0000ff]blood sugar (mg/dl)[/color][/size]' textinput: id: _glucose_reading hint_text: 'current blood sugar' boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=40][color=0000ff]carbs[/color][/size]' textinput: id: _food hint_text: 'total carbs meal' boxlayout: label: size_hint_x: 0.22 bold: true markup: true text: '[size=30][color=0000ff]medications taken[/color][/size]' textinput: id: _meds_taken hint_text: 'please enter medications taken' screen: name: 'graph' gridlayout: cols: 3 padding: 50 label: markup: true text: '[size=24][color=dd88ff]your graph[/color][/size]' screen: name: 'diet' gridlayout: cols: 3 padding: 50 label: markup: true text: '[size=24][color=dd88ff]reccomended diet[/color][/size]' screen: name: 'settings' gridlayout: cols: 3 padding: 50 label: markup: true text: '[size=24][color=dd88ff]settings[/color][/size]' anchorlayout: anchor_x: 'center' anchor_y: 'bottom' boxlayout: orientation: 'horizontal' size_hint: 1, .1 button: id: btnexit text: 'exit' on_press: app.stop() button: text: 'menu' on_press: _screen_manager.current = 'menu'
kivy has storage functionality inbuilt. using inbuilt methods store file in correct place android or ios without having worry correct location. here's docs: https://kivy.org/docs/api-kivy.storage.html#module-kivy.storage
and short example show how put, retrieve , delete values:
from kivy.storage.jsonstore import jsonstore store = jsonstore('baz.json') store.put('foo', 'bar') if store.exists('foo'): print('foo is:', store.get('foo')) store.delete('foo') 
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