1 /* 2 * Copyright (C) 2010 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.camerabrowser; 18 19 import android.app.Activity; 20 import android.content.BroadcastReceiver; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.IntentFilter; 24 import android.hardware.usb.UsbDevice; 25 import android.hardware.usb.UsbManager; 26 import android.util.Log; 27 28 public class DeviceDisconnectedReceiver extends BroadcastReceiver { 29 30 private static final String TAG = "DeviceDisconnectedReceiver"; 31 32 private final Activity mActivity; 33 private final String mDeviceName; 34 35 public DeviceDisconnectedReceiver(Activity activity, String deviceName) { 36 mActivity = activity; 37 mDeviceName = deviceName; 38 39 IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_DEVICE_DETACHED); 40 activity.registerReceiver(this, filter); 41 } 42 43 @Override 44 public void onReceive(Context context, Intent intent) { 45 UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE); 46 String deviceName = device.getDeviceName(); 47 Log.d(TAG, "ACTION_USB_DEVICE_DETACHED " + deviceName); 48 49 // close our activity if the device it is displaying is disconnected 50 if (deviceName.equals(mDeviceName)) { 51 mActivity.finish(); 52 } 53 } 54 }
