changes-wearable

Basic I Ching oracle divination app for Android mobile devices

Designed to create hexagrams with accurate probabilities related to yarrow stalk divination. See the Yarrow stalks section of the I Ching divination Wikipedia page.

Dependencies

Add material-icons-extended dependency to project for Icons.AutoMirrored.Filled.ArrowBack and Icons.Filled.Menu

Icon

• https://developer.android.com/studio/write/create-app-icons#create-adaptive https://developer.android.com/develop/ui/views/launch/icon_design_adaptive

Unicode trigrams: https://en.wikipedia.org/wiki/Bagua#In_Unicode

Unicode hexagrams: https://en.wikipedia.org/wiki/Yijing_Hexagram_Symbols_(Unicode_block)

Image Asset

Foreground: Text ䷱ DejaVu Sans Color: 244 20 4 F41404

Background: Color: 10 10 20 0A0A14

Fonts that support Unicode hexagrams:

DejaVu Sans DejaVu Sans Condensed Dialog Inter - very blocky Monospaced Sans Serif Segoe UI Symbol Serif

Parent theme

themes.xml

<style name="Theme.Changes" parent="android:Theme.DeviceDefault.NoActionBar" />

Button color

Button( onClick = { }, colors = ButtonDefaults.buttonColors( containerColor = Color.White, contentColor = Color.Red) )

Package and Distribute

https://developer.android.com/training/wearables/packaging

App Bundles

https://developer.android.com/guide/app-bundle

Signing

https://developer.android.com/studio/publish/app-signing#sign-apk

Splash screen

https://developer.android.com/training/wearables/apps/splash-screen

https://developer.android.com/develop/ui/views/launch/splash-screen#kts

<item name="android:windowIsTranslucent">true</item>

TODO

Merge the mobile and wearable versions into one

Implement Room to store hexagrams

Add date and annotations to hexagrams

Use SVG images for lines instead of monospace font text