Android application that monitors the phone's calendar and displays event reminders in full screen, even when the screen is locked.

• Calendar reading : Accesses system calendar events and reminders
• Automatic detection : Continuously monitors upcoming reminders (all configured reminders)
• Full screen display : Displays reminders even on locked screen
• Reminder management : Allows rescheduling a reminder in 5 minutes, 10 minutes, 30 minutes, or 1 hour
• Done button : Allows closing the reminder screen
• Background service : Runs as foreground service to ensure continuity
• Garmin sync : Notifications are optimized for synchronization with Garmin watches

• Android Studio (recent version recommended)
• JDK 21 or higher (automatically downloaded by Gradle if configured)
• Android SDK with API 35 (Android 15)
• Gradle 9.0 or higher

# Clone the repository
git clone https://github.com/epascal/wakeup.git
cd wakeup

# The project is configured to automatically download:
# - JDK (Java 21)
# - Gradle dependencies
# - Android SDK Platform 35

# Build the project
./gradlew build

# Install on a connected device
./gradlew installDebug

1. Open Android Studio
2. File → Open → Select the project folder
3. Android Studio will automatically:
   • Download Gradle 9.0
   • Download JDK 21 if needed
   • Sync dependencies
   • Download SDK Platform 35 if needed
4. Wait for complete synchronization
5. Run → Run 'app' or press Shift+F10

The project is configured to automatically install all dependencies:

• JDK : Automatically downloaded via org.gradle.java.installations.auto-download=true
• Android SDK : Automatically downloaded during compilation
• Dependencies : Downloaded from Maven Central and Google

If you prefer to use a local JDK, create a local.properties file at the project root:

sdk.dir=/path/to/your/android/sdk

Note : The local.properties file is already in .gitignore and will not be committed.

The application automatically requests the following permissions:

• READ_CALENDAR : To read calendar events and reminders
• SYSTEM_ALERT_WINDOW : To display interface above other applications
• DISABLE_KEYGUARD : To display on locked screen
• WAKE_LOCK : To wake the screen on reminder
• POST_NOTIFICATIONS : For notifications (Android 13+)
• SCHEDULE_EXACT_ALARM : To schedule exact alarms (Android 12+)

1. First launch : The application will request necessary permissions
2. Automatic start : The monitoring service starts automatically
3. Reminder detection : When an event reminder is detected (within 30 seconds), the reminder screen automatically displays
4. Reminder management : Use buttons to reschedule the reminder or "Done" to close
5. All reminders : The application triggers all configured reminders for each event (1 hour before, 1 minute before, etc.)

wakeup/
├── app/
│   ├── src/main/
│   │   ├── java/org/wakeup/
│   │   │   ├── MainActivity.java          # Main activity
│   │   │   ├── ReminderActivity.java      # Full screen activity for reminders
│   │   │   ├── CalendarMonitorService.java # Monitoring service
│   │   │   ├── ReminderReceiver.java      # Receiver for reminders
│   │   │   ├── BootReceiver.java          # Restart after boot
│   │   │   └── ServiceNotificationDismissReceiver.java
│   │   ├── res/                           # Resources (layouts, drawables, etc.)
│   │   └── AndroidManifest.xml
│   └── build.gradle                       # App module configuration
├── build.gradle                           # Project configuration
├── settings.gradle                        # Modules configuration
├── gradle.properties                     # Gradle properties
└── README.md

./gradlew assembleDebug

APK will be generated in app/build/outputs/apk/debug/app-debug.apk

./gradlew assembleRelease

APK will be generated in app/build/outputs/apk/release/app-release.apk

Note : To sign the release APK, configure a keystore (see Android documentation)

• Minimum SDK : 26 (Android 8.0)
• Target SDK : 35 (Android 15)
• Compile SDK : 35 (Android 15)
• Java : 21
• Gradle : 9.0
• Android Gradle Plugin : 8.10.0

• androidx.appcompat:appcompat:1.7.0
• com.google.android.material:material:1.12.0
• androidx.constraintlayout:constraintlayout:2.2.0

• Check that permissions are granted
• Check that the service notification is visible
• Restart the application

• Check that calendar events have configured reminders
• Check that the application has READ_CALENDAR permission
• Check logs with adb logcat | grep WakeUp

• Check that you have an Internet connection (to download dependencies)
• Clean the project: ./gradlew clean
• Delete the .gradle folder and try again

Contributions are welcome! Please read CONTRIBUTING.md for more details.

This project is licensed under the GNU Affero General Public License v3.0 (AGPL-3.0) with additional non-commercial restrictions.

Key points:

• ✅ Free for personal and non-commercial use
• ✅ You can modify and distribute the code
• ✅ You must share your modifications under the same license
• ❌ Commercial use is prohibited without explicit written permission
• ❌ Cannot be used in commercial products or services

See the LICENSE file for full details.

For any questions or suggestions, please open an issue on GitHub.

• AndroidX for support libraries
• Android community for resources and documentation