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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.android.cts.verifier.audio;
     18 
     19 import android.content.Context;
     20 
     21 import android.hardware.usb.UsbAccessory;
     22 import android.hardware.usb.UsbConstants;
     23 import android.hardware.usb.UsbDevice;
     24 import android.hardware.usb.UsbInterface;
     25 import android.hardware.usb.UsbManager;
     26 
     27 import java.util.HashMap;
     28 import java.util.Iterator;
     29 
     30 public class UsbMicrophoneTester {
     31 
     32     public static String getUSBDeviceListString(Context context) {
     33         UsbManager manager = (UsbManager) context.getSystemService(Context.USB_SERVICE);
     34         StringBuilder sb = new StringBuilder();
     35         HashMap<String, UsbDevice> devicelist = manager.getDeviceList();
     36         for(UsbDevice usbDevice : devicelist.values()) {
     37             sb.append("Model    : " + usbDevice.getDeviceName() + "\n");
     38             sb.append(" Id      : " + usbDevice.getDeviceId() + "\n");
     39             sb.append(" Class   : " + usbDevice.getDeviceClass() + "\n");
     40             sb.append(" Prod.Id : " + usbDevice.getProductId() + "\n");
     41             sb.append(" Vendor.Id : " + usbDevice.getVendorId() + "\n");
     42             int iCount = usbDevice.getInterfaceCount();
     43             for (int i = 0; i < iCount; i++) {
     44                 UsbInterface usbInterface = usbDevice.getInterface(i);
     45                 sb.append("    Interface " + i + " :\n");
     46                 sb.append("     Class: " + usbInterface.getInterfaceClass() + "\n");
     47             }
     48         }
     49         return sb.toString();
     50     }
     51 
     52     public static boolean getIsMicrophoneConnected(Context context) {
     53         UsbManager manager = (UsbManager) context.getSystemService(Context.USB_SERVICE);
     54         StringBuilder sb = new StringBuilder();
     55         HashMap<String, UsbDevice> devicelist = manager.getDeviceList();
     56         for(UsbDevice usbDevice : devicelist.values()) {
     57             int iCount = usbDevice.getInterfaceCount();
     58             for (int i = 0; i < iCount; i++) {
     59                 UsbInterface usbInterface = usbDevice.getInterface(i);
     60                 if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_AUDIO) {
     61                     return true;
     62                 }
     63             }
     64         }
     65         return false;
     66     }
     67 }