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Use this API to get the current state of the Bluetooth adapter, including whether it’s available and discovering devices.

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Parameters

PropertyTypeRequiredDescription
successFunctionNoCallback on success
failFunctionNoCallback on failure
completeFunctionNoCallback that always executes

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Success Callback Parameters

PropertyTypeDescription
availableBooleanWhether Bluetooth is available
discoveringBooleanWhether currently discovering devices

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Code Example

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Basic Usage

my.getBluetoothAdapterState({
  success(res) {
    console.log('Bluetooth available:', res.available);
    console.log('Discovering:', res.discovering);
  }
});

​
Check Before Operations

Page({
  async checkBluetoothState() {
    my.getBluetoothAdapterState({
      success: (res) => {
        if (!res.available) {
          my.alert({
            title: 'Bluetooth Unavailable',
            content: 'Please enable Bluetooth to continue.'
          });
          return;
        }

        if (res.discovering) {
          console.log('Already scanning...');
        } else {
          this.startDiscovery();
        }
      }
    });
  },

  startDiscovery() {
    my.startBluetoothDevicesDiscovery({
      success: () => console.log('Started scanning')
    });
  }
});

​
Status Display

Page({
  data: {
    bluetoothStatus: 'unknown'
  },

  updateStatus() {
    my.getBluetoothAdapterState({
      success: (res) => {
        let status = 'Off';
        if (res.available) {
          status = res.discovering ? 'Scanning' : 'Ready';
        }
        this.setData({ bluetoothStatus: status });
      }
    });
  }
});

my.openBluetoothAdapter

Initialize Bluetooth

my.onBluetoothAdapterStateChange

Listen for state changes