5b336b1bd9
Bug: 146815553 Test: make Change-Id: I9911d2d565a60dbf4a6af47cc25c8345ac2c6355 Merged-In: I9911d2d565a60dbf4a6af47cc25c8345ac2c6355
77 lines
2.4 KiB
Java
77 lines
2.4 KiB
Java
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.network;
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import android.content.Context;
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import android.database.ContentObserver;
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import android.net.Uri;
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import android.os.Handler;
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import android.provider.Settings;
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import android.telephony.TelephonyManager;
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/**
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* {@link ContentObserver} to listen to update of mobile data change
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*/
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public class MobileDataContentObserver extends ContentObserver {
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private OnMobileDataChangedListener mListener;
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public MobileDataContentObserver(Handler handler) {
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super(handler);
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}
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/**
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* Return a URI of mobile data(ON vs OFF)
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*/
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public static Uri getObservableUri(Context context, int subId) {
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Uri uri = Settings.Global.getUriFor(Settings.Global.MOBILE_DATA);
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TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class);
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if (telephonyManager.getActiveModemCount() != 1) {
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uri = Settings.Global.getUriFor(Settings.Global.MOBILE_DATA + subId);
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}
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return uri;
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}
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public void setOnMobileDataChangedListener(OnMobileDataChangedListener lsn) {
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mListener = lsn;
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}
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@Override
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public void onChange(boolean selfChange) {
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super.onChange(selfChange);
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if (mListener != null) {
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mListener.onMobileDataChanged();
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}
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}
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public void register(Context context, int subId) {
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final Uri uri = getObservableUri(context, subId);
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context.getContentResolver().registerContentObserver(uri, false, this);
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}
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public void unRegister(Context context) {
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context.getContentResolver().unregisterContentObserver(this);
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}
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/**
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* Listener for update of mobile data(ON vs OFF)
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*/
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public interface OnMobileDataChangedListener {
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void onMobileDataChanged();
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}
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}
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