JazCom on Droid

Uses React Native to show data.

App Stores

Google Play Store

Amazon App Store

APK

Example:

To Initialize

Install react-native, Android Development tools, and recommended tooling for non-Expo development.

• Run npm install

To run with livereload

You first have to start react-native dev listener, then deploy the dev app to the device.

First start React Native dev live reload service

1. Start the live reload service (this will start listening on port 8081):
2. npm start

Next spawn and deploy the app to the device

1. If necessary, uninstall any version of this app. (Step 2 will fail otherwise)
2. Deploy the app to the device and let it connect to 8081.
3. npm run android

(Shake the device to get a debug menu, which allows reload)

Development Issues

:app:installDebug FAILED

• This link suggests doing some cleaning
  • pushd android
  • ./gradlew clean
  • popd
  • Possibly also clean/reinstall packages.
• In my case, it looks like the virtual Android device was simply hung. Force reboot or reset.

To trigger debug menu

1. Either shake device or
2. adb shell input keyevent 82

Generate images from largest using res/gen-images.sh

Curl notes

curl   -H "Accept: application/json" -H "Content-Type: application/json"   -H "User-Agent: Dexcom Share/3.0.2.11 CFNetwork/711.2.23 Darwin/14.0.0"   -X POST https://share1.dexcom.com/ShareWebServices/Services/General/LoginPublisherAccountByName   -d '{"applicationId":"d8665ade-9673-4e27-9ff6-92db4ce13d13","accountName": "jazeee", "password": ""}'

curl   -H "Content-Length: 0" -H "Accept: application/json"   -H "User-Agent: Dexcom Share/3.0.2.11 CFNetwork/672.0.2 Darwin/14.0.0"   -X POST 'https://share1.dexcom.com/ShareWebServices/Services/Publisher/ReadPublisherLatestGlucoseValues?sessionId=abc123-342&minutes=1440&maxCount=1'

Output like:

[{
  "DT":"\/Date(1558231462000-0700)\/",
  "ST":"\/Date(1558231462000)\/",
  "Trend":"Flat",
  "Value":177,
  "WT":"\/Date(1558231462000)\/"
},{
  "DT":"\/Date(1558231162000-0700)\/",
  "ST":"\/Date(1558231162000)\/",
  "Trend":"Flat",
  "Value":169,
  "WT":"\/Date(1558231162000)\/"
}...
DT is device, ST is server. Trends used to be numbers, like 4 is flat, 3 is up, 2 is very up, 5 is down, 6 is very down. Now are strings.

Build Notes

Truly speaking you only need to run ./build.sh Once built, you can upload the output file to Google Play Store: android/app/build/outputs/bundle/release/

You'll then need to do their release process.

Other Install notes (Obsolete)

Will need a keystore to sign the app. (Must use new file if you forgot the pwd LoL)

keytool -genkey -v -keystore ~/.gradle/jazcomkeystore -alias jazcomkeystore -keyalg RSA -keysize 2048 -validity 90000

See ~/.gradle/gradle.properties for default

cd android
./gradlew assembleRelease
ls -la app/build/outputs/apk/release/app-release-unsigned.apk
# Note - you will need to choose your own keystore, and key-alias.
/opt/android-sdk/build-tools/28.0.3/apksigner sign --ks ~/.gradle/jazcomkeystore --ks-key-alias jazcomkeystore --out app/build/outputs/apk/release/app-release.apk app/build/outputs/apk/release/app-release-unsigned.apk

adb install -f app/build/outputs/apk/release/app-release.apk

 2099  cp ../cgm/apktool/new/release-key-dexcom.jks android/app/
 2100  vi android/gradle.properties
 2101  mv android/app/release-key-dexcom.jks ~/.gradle/
 2102  vi ~/.gradle/gradle.properties
 2103  rm ~/.gradle/release-key-dexcom.jks
 2104  vi ~/.gradle/gradle.properties
 2105  keytool -genkey -v -keystore ~/.gradle/jazcomkeystore -alias jazcomkeystore -keyalg RSA -keysize 2048 -validity 90000
 2107  cd android/
 2108  ./gradlew assembleRelease
 2113  ls -la build
 2114  ls -la build/intermediates/
 2115  find ./ -name *.apk
 2116  ls -la app/build/outputs/apk/release/app-release-unsigned.apk
 2117  cat ../cgm/apktool/build-and-deploy.sh
 2118  cat ../../cgm/apktool/build-and-deploy.sh
 2119  /opt/android-sdk/build-tools/28.0.3/apksigner sign --ks ~/.gradle/jazcomkeystore --out app/build/outputs/apk/release/app-release.apk app/build/outputs/apk/release/app-release-unsigned.apk
 2120  adb install -r app/build/outputs/apk/release/app-release.apk
 2121  /opt/android-sdk/build-tools/23.0.2/
 2122  /opt/android-sdk/build-tools/23.0.2/apksigner sign --ks ~/.gradle/jazcomkeystore --out app/build/outputs/apk/release/app-release.apk app/build/outputs/apk/release/app-release-unsigned.apk
 2123  /opt/android-sdk/build-tools/28.0.3/zipalign -v -p 4 app/build/outputs/apk/release/app-release-unsigned.apk app/build/outputs/apk/release/app-release-unsigned-aligned.apk
 2124  /opt/android-sdk/build-tools/28.0.3/apksigner sign --ks ../../cgm/apktool/new/release-key-dexcom.jks --out app/build/outputs/apk/release/app-release.apk app/build/outputs/apk/release/app-release-unsigned-aligned.apk


 2126  adb install -rf app/build/outputs/apk/release/app-release.apk