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      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      */
     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