https://github.com/AriaLyy/Aria/issues/123 ，重试失败任务添加网络状态判断，网络未连接，将会重试失败 https://github.com/AriaLyy/Aria/issues/119pull/330/head
AriaLyy
7 years ago
parent
29aba07205
commit
21594d736c
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one |
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* or more contributor license agreements. See the NOTICE file |
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* distributed with this work for additional information |
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* regarding copyright ownership. The ASF licenses this file |
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* to you under the Apache License, Version 2.0 (the |
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* "License"); you may not use this file except in compliance |
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* with the License. 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.arialyy.aria.util; |
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import android.content.Context; |
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import android.net.ConnectivityManager; |
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import android.net.NetworkInfo; |
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import android.telephony.TelephonyManager; |
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import android.text.TextUtils; |
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/** |
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* 跟网络相关的工具类 |
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*/ |
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public class NetUtils { |
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/** |
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* 没有网络 |
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*/ |
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public static final int NETWORK_TYPE_INVALID = 0; |
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/** |
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* wap网络 |
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*/ |
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public static final int NETWORK_TYPE_WAP = 1; |
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/** |
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* 2G网络 |
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*/ |
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public static final int NETWORK_TYPE_2G = 2; |
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/** |
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* 3G和3G以上网络，或统称为快速网络 |
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*/ |
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public static final int NETWORK_TYPE_3G = 3; |
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/** |
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* wifi网络 |
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*/ |
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public static final int NETWORK_TYPE_WIFI = 4; |
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/** |
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* 判断网络是否连接 |
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*/ |
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public static boolean isConnected(Context context) { |
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ConnectivityManager cm = |
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(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); |
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NetworkInfo ni = cm.getActiveNetworkInfo(); |
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return ni != null && ni.isConnectedOrConnecting(); |
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} |
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/** |
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* 判断是否是wifi连接 |
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*/ |
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public static boolean isWifi(Context context) { |
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return getNetWorkType(context) == NETWORK_TYPE_WIFI; |
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} |
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/** |
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* 获取网络状态，wifi,wap,2g,3g. |
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* |
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* @param context 上下文 |
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* @return int 网络状态 {@link #NETWORK_TYPE_2G},{@link #NETWORK_TYPE_3G}, |
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* {@link #NETWORK_TYPE_INVALID},{@link #NETWORK_TYPE_WAP},{@link #NETWORK_TYPE_WIFI} |
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*/ |
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public static int getNetWorkType(Context context) { |
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int netWorkType = -1; |
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ConnectivityManager manager = |
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(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); |
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NetworkInfo networkInfo = manager.getActiveNetworkInfo(); |
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if (networkInfo != null && networkInfo.isConnected()) { |
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String type = networkInfo.getTypeName(); |
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if (type.equalsIgnoreCase("WIFI")) { |
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netWorkType = NETWORK_TYPE_WIFI; |
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} else if (type.equalsIgnoreCase("MOBILE")) { |
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String proxyHost = android.net.Proxy.getDefaultHost(); |
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netWorkType = TextUtils.isEmpty(proxyHost) ? (isFastMobileNetwork(context) ? NETWORK_TYPE_3G |
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: NETWORK_TYPE_2G) : NETWORK_TYPE_WAP; |
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} |
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} else { |
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netWorkType = NETWORK_TYPE_INVALID; |
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} |
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return netWorkType; |
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} |
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private static boolean isFastMobileNetwork(Context context) { |
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TelephonyManager telephonyManager = |
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(TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); |
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switch (telephonyManager.getNetworkType()) { |
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case TelephonyManager.NETWORK_TYPE_1xRTT: |
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return false; // ~ 50-100 kbps
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case TelephonyManager.NETWORK_TYPE_CDMA: |
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return false; // ~ 14-64 kbps
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case TelephonyManager.NETWORK_TYPE_EDGE: |
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return false; // ~ 50-100 kbps
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case TelephonyManager.NETWORK_TYPE_EVDO_0: |
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return true; // ~ 400-1000 kbps
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case TelephonyManager.NETWORK_TYPE_EVDO_A: |
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return true; // ~ 600-1400 kbps
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case TelephonyManager.NETWORK_TYPE_GPRS: |
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return false; // ~ 100 kbps
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case TelephonyManager.NETWORK_TYPE_HSDPA: |
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return true; // ~ 2-14 Mbps
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case TelephonyManager.NETWORK_TYPE_HSPA: |
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return true; // ~ 700-1700 kbps
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case TelephonyManager.NETWORK_TYPE_HSUPA: |
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return true; // ~ 1-23 Mbps
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case TelephonyManager.NETWORK_TYPE_UMTS: |
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return true; // ~ 400-7000 kbps
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case TelephonyManager.NETWORK_TYPE_EHRPD: |
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return true; // ~ 1-2 Mbps
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case TelephonyManager.NETWORK_TYPE_EVDO_B: |
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return true; // ~ 5 Mbps
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case TelephonyManager.NETWORK_TYPE_HSPAP: |
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return true; // ~ 10-20 Mbps
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case TelephonyManager.NETWORK_TYPE_IDEN: |
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return false; // ~25 kbps
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case TelephonyManager.NETWORK_TYPE_LTE: |
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return true; // ~ 10+ Mbps
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case TelephonyManager.NETWORK_TYPE_UNKNOWN: |
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return false; |
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default: |
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return false; |
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} |
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} |
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} |
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