Bike Radar is a free, open-source Android Productivity app. The latest version is 1.2.0, it is 7.6 MB, requires Android 12.0+, and is published by JJ del Rio.
- Size
- 7.6 MB
- Requires
- Android 12.0+
- Last updated
- 29 days ago25 Aug 2026
- Safety
- Scanned25 Aug 2026what does this mean?
License: GPL-3.0-or-later
About this app
Bike Radar shows and sounds what your rear bike radar sees, on top of whatever app you are already running. A thin strip down the edge of the screen shows each approaching vehicle's distance, closing speed and lateral position over your map or navigation app.
Screenshots
Permissions14 requested · 1 worth reviewing
What version 1.2.0 is allowed to do once installed. Highlighted entries reach outside the app’s own sandbox and are worth a second look. Not sure what a permission actually means? Learn how to evaluate app permissions.
System Alert WindowReview
Draw over other apps.
android.permission.SYSTEM_ALERT_WINDOW
Access Coarse Location
No description available for this permission.
android.permission.ACCESS_COARSE_LOCATION
Bluetooth Connect
No description available for this permission.
android.permission.BLUETOOTH_CONNECT
Bluetooth Scan
No description available for this permission.
android.permission.BLUETOOTH_SCAN
Dynamic Receiver Not Exported Permission
No description available for this permission.
es.jjrh.bikeradar.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Foreground Service
Keep running in the background with a visible notification.
android.permission.FOREGROUND_SERVICE
Foreground Service Connected Device
No description available for this permission.
android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE
Foreground Service Media Projection
No description available for this permission.
android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION
Foreground Service Short Service
No description available for this permission.
android.permission.FOREGROUND_SERVICE_SHORT_SERVICE
Internet
Send and receive data over the internet.
android.permission.INTERNET
Post Notifications
Show notifications.
android.permission.POST_NOTIFICATIONS
Receive Boot Completed
No description available for this permission.
android.permission.RECEIVE_BOOT_COMPLETED
Vibrate
Use the vibration motor.
android.permission.VIBRATE
Wake Lock
Keep the device awake while working in the background.
android.permission.WAKE_LOCK
Version history1 published build
- v1.2.0Latestbuild 23Scanned
- Released
- 25 Aug 2026
- Size
- 7.6 MB
- Requires
- Android 12.0+
Home Assistant MQTT topics move from varia/ to bikeradar/, so anything you trigger on a raw topic needs repointing by hand. Your entity ids keep the naming they have, but every entity is registered afresh and some come back with a _2 on the end; anything pointing at an affected id stops working until you delete the stale entity and rename the _2 back. Check your battery sensors, the close-pass event, and, if you have the camera, the front light mode. The rebuilt entities start with no history. I
Download v1.2.014 permissions · 1 worth reviewing
System Alert WindowReview
Draw over other apps.
android.permission.SYSTEM_ALERT_WINDOW
Access Coarse Location
No description available for this permission.
android.permission.ACCESS_COARSE_LOCATION
Bluetooth Connect
No description available for this permission.
android.permission.BLUETOOTH_CONNECT
Bluetooth Scan
No description available for this permission.
android.permission.BLUETOOTH_SCAN
Dynamic Receiver Not Exported Permission
No description available for this permission.
es.jjrh.bikeradar.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Foreground Service
Keep running in the background with a visible notification.
android.permission.FOREGROUND_SERVICE
Foreground Service Connected Device
No description available for this permission.
android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE
Foreground Service Media Projection
No description available for this permission.
android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION
Foreground Service Short Service
No description available for this permission.
android.permission.FOREGROUND_SERVICE_SHORT_SERVICE
Internet
Send and receive data over the internet.
android.permission.INTERNET
Post Notifications
Show notifications.
android.permission.POST_NOTIFICATIONS
Receive Boot Completed
No description available for this permission.
android.permission.RECEIVE_BOOT_COMPLETED
Vibrate
Use the vibration motor.
android.permission.VIBRATE
Wake Lock
Keep the device awake while working in the background.
android.permission.WAKE_LOCK
New to sideloading? Read the install guide before opening an APK. Not sure this build supports your phone? See how to check your device’s Android version.
Read our guide to the best open-source Productivity apps for Android
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