/packages/SystemUI/src/com/android/systemui/usb/UsbDisconnectedReceiver.java
https://github.com/aizuzi/platform_frameworks_base · Java · 67 lines · 42 code · 8 blank · 17 comment · 9 complexity · 58e8137451803033f2385d499724d6e5 MD5 · raw file
- /*
- * Copyright (C) 2010 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.systemui.usb;
- import android.app.Activity;
- import android.content.BroadcastReceiver;
- import android.content.Context;
- import android.content.Intent;
- import android.content.IntentFilter;
- import android.hardware.usb.UsbAccessory;
- import android.hardware.usb.UsbDevice;
- import android.hardware.usb.UsbManager;
- // This class is used to close UsbPermissionsActivity and UsbResolverActivity
- // if their device/accessory is disconnected while the dialog is still open
- class UsbDisconnectedReceiver extends BroadcastReceiver {
- private final Activity mActivity;
- private UsbDevice mDevice;
- private UsbAccessory mAccessory;
- public UsbDisconnectedReceiver(Activity activity, UsbDevice device) {
- mActivity = activity;
- mDevice = device;
- IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_DEVICE_DETACHED);
- activity.registerReceiver(this, filter);
- }
- public UsbDisconnectedReceiver(Activity activity, UsbAccessory accessory) {
- mActivity = activity;
- mAccessory = accessory;
- IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_ACCESSORY_DETACHED);
- activity.registerReceiver(this, filter);
- }
- @Override
- public void onReceive(Context context, Intent intent) {
- String action = intent.getAction();
- if (UsbManager.ACTION_USB_DEVICE_DETACHED.equals(action)) {
- UsbDevice device = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
- if (device != null && device.equals(mDevice)) {
- mActivity.finish();
- }
- } else if (UsbManager.ACTION_USB_ACCESSORY_DETACHED.equals(action)) {
- UsbAccessory accessory =
- (UsbAccessory)intent.getParcelableExtra(UsbManager.EXTRA_ACCESSORY);
- if (accessory != null && accessory.equals(mAccessory)) {
- mActivity.finish();
- }
- }
- }
- }