New in version 2.9.0
- First-launch 3-step onboarding flow (#76).
- Pulsing animated indicator during flash testing (#77).
- Material Snackbar visual confirmations (#78).
- Clickable links and Bug/Donate buttons in About screen (#79).
- Enhanced accessibility with contentDescription labels (#80).
- Unit tests added for DeviceController and TemplateProvider (#81).
Flash Alert turns your camera flash into a powerful visual indicator whenever you receive a call, SMS/MMS, or notification from another app (WhatsApp, social media, etc.).
Key Features:
- Customizable flash alerts for calls, messages, and apps.
- Contact filtering: enable the flash only for your contacts.
- Battery-saver mode: smart deactivation if the phone is face down or if the screen is already on.
- Night mode and "Do Not Disturb" override options.
- Ambient noise detection (for compatible Android versions).
A lightweight app, privacy-friendly, and completely ad-free.
Donate
Versions
Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.
Download F-Droid
-
This version requires Android 7.0 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
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android.permission.FLASHLIGHT
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run foreground service
Allows the app to make use of foreground services.
-
read call log
This app can read your call history.
-
read your contacts
Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read phone status and identity
Allows the app to access the phone features of the device. This permission allows the app to determine the phone number and device IDs, whether a call is active, and the remote number connected by a call.
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
receive text messages (MMS)
Allows the app to receive and process MMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
-
receive text messages (SMS)
Allows the app to receive and process SMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
-
Schedule precisely timed actions
This app can schedule work to happen at a desired time in the future. This also means that the app can run when you're not actively using the device.
-
Schedule alarms or event reminders
This app can schedule actions like alarms and reminders to notify you at a desired time in the future.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
fr.jnda.android.flashalert.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK
2.4 MiB
PGP Signature
|
Build Log
New in version 2.8.0
- Resolved Cursor memory leaks in contactAllowed (#63).
- Secured concurrency and state flags in FlashAlert (#64).
- Named stroboscope thread FlashAlert-Stroboscope (#65).
- Replaced QUERY_ALL_PACKAGES permission with targeted launcher queries (#66).
- Removed unused deep link for enhanced security (#67).
- Added ProGuard rules for stacktrace preservation and Room models (#68).
- Validated auto-backup configuration (#69).
- Fixed typo in insertAppItem (#70).
- Removed redundant notifyDataSetChan
-
This version requires Android 7.0 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
android.permission.FLASHLIGHT
-
run foreground service
Allows the app to make use of foreground services.
-
read call log
This app can read your call history.
-
read your contacts
Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read phone status and identity
Allows the app to access the phone features of the device. This permission allows the app to determine the phone number and device IDs, whether a call is active, and the remote number connected by a call.
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
receive text messages (MMS)
Allows the app to receive and process MMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
-
receive text messages (SMS)
Allows the app to receive and process SMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
-
Schedule precisely timed actions
This app can schedule work to happen at a desired time in the future. This also means that the app can run when you're not actively using the device.
-
Schedule alarms or event reminders
This app can schedule actions like alarms and reminders to notify you at a desired time in the future.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
fr.jnda.android.flashalert.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK
2.3 MiB
PGP Signature
|
Build Log
New in version 2.7.0
- Implemented quiet hours to mute flashes and reminders during a specific time range (#48).
- Added data backup and restore rules configuration.
- Various improvements and bug fixes for Android 13+ (conversation detection, debug simulator, translations) (#61).
-
This version requires Android 7.0 or newer.
It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
-
view network connections
Allows the app to view information about network connections such as which networks exist and are connected.
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
android.permission.FLASHLIGHT
-
run foreground service
Allows the app to make use of foreground services.
-
query all packages
Allows an app to see all installed packages.
-
read call log
This app can read your call history.
-
read your contacts
Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
-
read phone status and identity
Allows the app to access the phone features of the device. This permission allows the app to determine the phone number and device IDs, whether a call is active, and the remote number connected by a call.
-
run at startup
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
-
receive text messages (MMS)
Allows the app to receive and process MMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
-
receive text messages (SMS)
Allows the app to receive and process SMS messages. This means the app could monitor or delete messages sent to your device without showing them to you.
-
Schedule precisely timed actions
This app can schedule work to happen at a desired time in the future. This also means that the app can run when you're not actively using the device.
-
Schedule alarms or event reminders
This app can schedule actions like alarms and reminders to notify you at a desired time in the future.
-
control vibration
Allows the app to control the vibrator.
-
prevent phone from sleeping
Allows the app to prevent the phone from going to sleep.
-
fr.jnda.android.flashalert.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK
2.9 MiB
PGP Signature
|
Build Log
