Android作为BLE广播器的使用方法如下:
BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (!bluetoothAdapter.isEnabled()) {
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
}
BluetoothGattService service = new BluetoothGattService(UUID_SERVICE, BluetoothGattService.SERVICE_TYPE_PRIMARY);
BluetoothGattCharacteristic characteristic = new BluetoothGattCharacteristic(UUID_CHARACTERISTIC, BluetoothGattCharacteristic.PROPERTY_READ, BluetoothGattCharacteristic.PERMISSION_READ);
characteristic.setValue("Hello, BLE!");
service.addCharacteristic(characteristic);
BluetoothLeAdvertiser advertiser = bluetoothAdapter.getBluetoothLeAdvertiser();
AdvertiseSettings settings = new AdvertiseSettings.Builder()
.setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_LOW_LATENCY)
.setConnectable(false)
.setTimeout(0)
.setTxPowerLevel(AdvertiseSettings.ADVERTISE_TX_POWER_HIGH)
.build();
AdvertiseData data = new AdvertiseData.Builder()
.setIncludeDeviceName(true)
.addServiceUuid(new ParcelUuid(UUID_SERVICE))
.build();
advertiser.startAdvertising(settings, data, advertiseCallback);
advertiser.stopAdvertising(advertiseCallback);
需要注意的是,以上代码只是一个简单的示例,实际使用中可能需要根据具体需求进行适当的修改和扩展。
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