Java tutorial
//package com.java2s; /* * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version 3 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License * version 3 for more details (a copy is included in the LICENSE file that * accompanied this code). * * Please contact Integreight, Inc. at info@integreight.com or post on our * support forums www.1sheeld.com/forum if you need additional information * or have any questions. */ import android.annotation.TargetApi; import android.bluetooth.BluetoothGatt; import android.os.Build; import java.lang.reflect.Method; public class Main { @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2) static boolean refreshDeviceCache(BluetoothGatt gatt) { try { Method localMethod = gatt.getClass().getMethod("refresh", new Class[0]); if (localMethod != null) { return (boolean) (Boolean) localMethod.invoke(gatt, new Object[0]); } } catch (Exception ignored) { } return false; } }