Java tutorial
//package com.java2s; // Licensed under the Apache License, Version 2.0 (the "License"); import android.bluetooth.BluetoothGattCharacteristic; import org.json.JSONArray; public class Main { public static JSONArray decodeProperties(BluetoothGattCharacteristic characteristic) { // NOTE: props strings need to be consistent across iOS and Android JSONArray props = new JSONArray(); int properties = characteristic.getProperties(); if ((properties & BluetoothGattCharacteristic.PROPERTY_BROADCAST) != 0x0) { props.put("Broadcast"); } if ((properties & BluetoothGattCharacteristic.PROPERTY_READ) != 0x0) { props.put("Read"); } if ((properties & BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE) != 0x0) { props.put("WriteWithoutResponse"); } if ((properties & BluetoothGattCharacteristic.PROPERTY_WRITE) != 0x0) { props.put("Write"); } if ((properties & BluetoothGattCharacteristic.PROPERTY_NOTIFY) != 0x0) { props.put("Notify"); } if ((properties & BluetoothGattCharacteristic.PROPERTY_INDICATE) != 0x0) { props.put("Indicate"); } if ((properties & BluetoothGattCharacteristic.PROPERTY_SIGNED_WRITE) != 0x0) { // Android calls this "write with signature", using iOS name for now props.put("AuthenticateSignedWrites"); } if ((properties & BluetoothGattCharacteristic.PROPERTY_EXTENDED_PROPS) != 0x0) { props.put("ExtendedProperties"); } // iOS only? // // if ((p & CBCharacteristicPropertyNotifyEncryptionRequired) != 0x0) { // 0x100 // [props addObject:@"NotifyEncryptionRequired"]; // } // // if ((p & CBCharacteristicPropertyIndicateEncryptionRequired) != 0x0) { // 0x200 // [props addObject:@"IndicateEncryptionRequired"]; // } return props; } }