1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.common.midi; 18 19 import android.media.midi.MidiDeviceInfo; 20 import android.media.midi.MidiManager; 21 22 /** 23 * Miscellaneous tools for Android MIDI. 24 */ 25 public class MidiTools { 26 27 /** 28 * @return a device that matches the manufacturer and product or null 29 */ findDevice(MidiManager midiManager, String manufacturer, String product)30 public static MidiDeviceInfo findDevice(MidiManager midiManager, 31 String manufacturer, String product) { 32 for (MidiDeviceInfo info : midiManager.getDevices()) { 33 String deviceManufacturer = info.getProperties() 34 .getString(MidiDeviceInfo.PROPERTY_MANUFACTURER); 35 if ((manufacturer != null) 36 && manufacturer.equals(deviceManufacturer)) { 37 String deviceProduct = info.getProperties() 38 .getString(MidiDeviceInfo.PROPERTY_PRODUCT); 39 if ((product != null) && product.equals(deviceProduct)) { 40 return info; 41 } 42 } 43 } 44 return null; 45 } 46 } 47