close
The Wayback Machine - https://web.archive.org/web/20160330031909/https://developer.android.com/samples/MidiScope/src/com.example.android.common.midi/MidiTools.html
Show navigation Hide navigation
MidiScope / src / com.example.android.common.midi /

MidiTools.java

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
}