React Native Alarm app

This is an example implementation of a basic alarm clock app. Made for Android with React Native framework.

It demonstrates communication with native Android code via react-native bridge, scheduling Android alarms with AlarmManager, working with foreground services for playing background music,...

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Scripts

• npm start - starts metro build server
• npm run android - builds and runs android app
• npm run android:release:build:apk - builds release apk ready for publishing
• npm run android:release:build:aab - builds release aab ready for publishing
• npm run android:release:test - builds release apk for testing

Release build

Read about release builds here.

1. Run the following command under JDK bin folder and replace password in ~/.gradle/gradle.properties.

sudo keytool -genkey -v -keystore release.keystore -alias rn-alarm-app -keyalg RSA -keysize 2048 -validity 10000

2. Store keystore credentials as environment variables in .bash_profile

export ALARM_APP_KEYSTORE_ALIAS_NAME=keystore-alias
export ALARM_APP_KEYSTORE_KEY_PASSWORD=*****
export ALARM_APP_KEYSTORE_PASSWORD=*****

Resources

• Storing android signing config
• Setting environment variables in MacOS