/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.cts.verifier.audio; import android.content.Context; import android.hardware.usb.UsbAccessory; import android.hardware.usb.UsbConstants; import android.hardware.usb.UsbDevice; import android.hardware.usb.UsbInterface; import android.hardware.usb.UsbManager; import java.util.HashMap; import java.util.Iterator; public class UsbMicrophoneTester { public static String getUSBDeviceListString(Context context) { UsbManager manager = (UsbManager) context.getSystemService(Context.USB_SERVICE); StringBuilder sb = new StringBuilder(); HashMap devicelist = manager.getDeviceList(); for(UsbDevice usbDevice : devicelist.values()) { sb.append("Model : " + usbDevice.getDeviceName() + "\n"); sb.append(" Id : " + usbDevice.getDeviceId() + "\n"); sb.append(" Class : " + usbDevice.getDeviceClass() + "\n"); sb.append(" Prod.Id : " + usbDevice.getProductId() + "\n"); sb.append(" Vendor.Id : " + usbDevice.getVendorId() + "\n"); int iCount = usbDevice.getInterfaceCount(); for (int i = 0; i < iCount; i++) { UsbInterface usbInterface = usbDevice.getInterface(i); sb.append(" Interface " + i + " :\n"); sb.append(" Class: " + usbInterface.getInterfaceClass() + "\n"); } } return sb.toString(); } public static boolean getIsMicrophoneConnected(Context context) { UsbManager manager = (UsbManager) context.getSystemService(Context.USB_SERVICE); StringBuilder sb = new StringBuilder(); HashMap devicelist = manager.getDeviceList(); for(UsbDevice usbDevice : devicelist.values()) { int iCount = usbDevice.getInterfaceCount(); for (int i = 0; i < iCount; i++) { UsbInterface usbInterface = usbDevice.getInterface(i); if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_AUDIO) { return true; } } } return false; } }