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Use this API to stop listening for Bluetooth adapter state changes that were registered with my.onBluetoothAdapterStateChange().

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Parameters

PropertyTypeRequiredDescription
callbackFunctionNoThe specific callback to remove. If omitted, all listeners are removed.

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Code Example

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Remove All Listeners

my.offBluetoothAdapterStateChange();

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Remove Specific Listener

Page({
  onLoad() {
    my.onBluetoothAdapterStateChange(this.handleStateChange);
  },

  handleStateChange(res) {
    console.log('State changed:', res.available);
  },

  onUnload() {
    my.offBluetoothAdapterStateChange(this.handleStateChange);
  }
});

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Complete Bluetooth Cleanup

function cleanupBluetooth() {
  // Remove all listeners
  my.offBluetoothAdapterStateChange();
  my.offBluetoothDeviceFound();

  // Stop discovery and close adapter
  my.stopBluetoothDevicesDiscovery();
  my.closeBluetoothAdapter();
}

my.onBluetoothAdapterStateChange

Listen for state changes

my.closeBluetoothAdapter

Close adapter