Java tutorial
//package com.java2s; //License from project: Open Source License import java.util.UUID; import android.bluetooth.BluetoothGatt; import android.bluetooth.BluetoothGattCharacteristic; import android.bluetooth.BluetoothGattService; public class Main { public static BluetoothGattCharacteristic findBluetoothGattCharacteristic(BluetoothGatt gatt, UUID serviceUuid, UUID characteristicUuid) { if (gatt == null) { return null; } BluetoothGattService service = gatt.getService(serviceUuid); if (service == null) { return null; } return service.getCharacteristic(characteristicUuid); } }