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Trigger: USB Device Connect/Disconnect (view source)
Revision as of 21:55, 7 January 2026
, 7 Januaryno edit summary
This trigger will fire when a USB peripheral device such as a keyboard, mouse or USB memory stick is connected/disconnected from the Android phone/tablet.
<pre class="header-style">This trigger will fire when a USB device such as a memory stick or keyboard is connected or disconnected. It monitors for USB peripherals and accessories attached to your Android device.</pre>
''' Options '''
* '''USB Device Connected''': Trigger when a USB device is attached to the Android device
* '''USB Device Disconnected''': Trigger when a USB device is detached from the Android device
''' Magic Text '''
This trigger provides the following magic text values:
* '''{usb_product_name}''': The product name of the connected/disconnected USB device
* '''{usb_manufacturer_name}''': The manufacturer name of the USB device
* '''{usb_device_hash}''': A unique identifier hash code for the USB device
''' Monitored Events '''
The trigger monitors the following USB events:
* USB device attached
* USB device detached
* USB accessory attached
* USB accessory detached
''' Examples '''
<pre class="trigger-style">Triggers
USB Device Connect/Disconnect: USB Device Connected</pre>
<pre class="action-style">Actions
Notification: USB Device Connected
[usb_product_name] by [usb_manufacturer_name]
Speak Text: USB device connected</pre>
''Notify when any USB device is connected and announce via TTS.''
----
<pre class="trigger-style">Triggers
USB Device Connect/Disconnect: USB Device Disconnected</pre>
<pre class="action-style">Actions
Popup Message: USB device safely removed</pre>
''Show confirmation when a USB device is safely disconnected.''
''' Notes '''
* This trigger will NOT fire when the Android device itself is connected to a PC or similar as a USB peripheral. It only monitors USB devices connected TO the Android device.
* Works with USB OTG (On-The-Go) connections where the Android device acts as the host.
* Supported devices include USB keyboards, mice, game controllers, USB flash drives, and other USB peripherals.
* USB accessories connected via the accessory protocol are also detected.
* The device information (product name, manufacturer) availability depends on the USB device providing this information.