Button Mapper: Remap your keys

Button Mapper is a versatile tool designed to enhance your device's functionality by allowing you to remap custom actions to your volume buttons and other hardware buttons. With Button Mapper, you can easily launch any app, shortcut, or custom action with a single press, double press, or long press. This app supports remapping of most physical or capacitive keys and buttons, including volume buttons, some assist buttons, and capacitive home, back, and recent apps keys. It also extends its functionality to many gamepads, remotes, and other peripheral devices.

Rooting your device is not necessary for most actions, but some advanced features might require an adb command from a connected PC if your device is not rooted. Note that Button Mapper does not function when the screen is off unless your device is rooted or you execute an adb command.

Here are some practical examples of what you can achieve with Button Mapper:

• Long press to toggle your flashlight
• Remap your TV remote control
• Press to broadcast custom intents, scripts, or commands
• Long press to open the camera and take a photo
• Double tap to launch your favorite app or shortcut
• Double tap to open your notifications
• Swap your back and recent apps keys (capacitive buttons only!)
• Use your volume buttons to adjust screen brightness
• Long press to toggle "do not disturb" mode
• And many more possibilities

The pro version of Button Mapper unlocks additional features such as:

• Simulating keycodes (requires adb command or root)
• Swapping volume keys on orientation change
• Defaulting to ring volume on Android Pie or later
• Pocket detection
• Themes
• Changing back and recents buttons
• Customization of haptic feedback (vibration) on button press and long press

Button Mapper allows you to map a wide range of actions to your buttons or keys, including:

• Launching any app or shortcut
• Disabling the button
• Broadcasting intents (PRO)
• Running scripts (PRO)
• Camera shutter
• Turning the screen off
• Toggling flashlight
• Quick settings
• Showing notifications
• Power dialog
• Taking a screenshot
• Music controls: previous/next track and play/pause
• Adjusting volume or muting
• Switching to the last app
• Toggling do not disturb
• Adjusting brightness
• Now on tap (root)
• Menu button (root)
• Choosing custom keycode (root and PRO)
• Root command (root and PRO)
• Toggling WiFi
• Toggling Bluetooth
• Toggling rotation
• Clearing notifications
• Split screen
• Scrolling up/down (root)
• And many more...

Supported buttons include:

• Physical home, back, and recent apps/menu buttons
• Volume up
• Volume down
• Most camera buttons
• Many headset buttons
• Custom buttons: add other buttons (active, mute, etc.) on your phone, headphones, gamepads, TV remote, and other peripheral devices

Additional options available in Button Mapper include:

• Changing the long press or double tap duration
• Delaying initial button press for better double tap operation
• Disabling Button Mapper while using specific apps
• Plus many more customizations

For troubleshooting, ensure that Button Mapper's accessibility service is enabled and allowed to run in the background. Note that Button Mapper does not work with onscreen buttons (such as soft keys or the navigation bar) or the power button. The options displayed in the app depend on the buttons available on your phone, and not all phones have home, back, and recents buttons.

Button Mapper uses Accessibility services to detect when physical or capacitive buttons are pressed on your device, enabling them to be remapped to custom actions. It does not monitor what you type and does not collect or share any personal information, ensuring your privacy is respected.

The app also utilizes the Device Administrator permission (BIND_DEVICE_ADMIN) to lock the screen if the "Turn screen off" action is selected. To remove this permission, open Button Mapper, click on the menu (three dots in the upper right corner), and select "Uninstall."