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dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/util/CommonUtil.java@45:2aa9f933c8d2, 2017-07-18 (annotated)

Committer:
TMBOY
Date:
Tue Jul 18 16:34:48 2017 +0800
Revision:
45:2aa9f933c8d2
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Who changed what in which revision?

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TMBOY 45:2aa9f933c8d2 1 /*
TMBOY 45:2aa9f933c8d2 2 * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
TMBOY 45:2aa9f933c8d2 3 *
TMBOY 45:2aa9f933c8d2 4 * Licensed under the Apache License, Version 2.0 (the "License");
TMBOY 45:2aa9f933c8d2 5 * you may not use this file except in compliance with the License.
TMBOY 45:2aa9f933c8d2 6 * You may obtain a copy of the License at
TMBOY 45:2aa9f933c8d2 7 *
TMBOY 45:2aa9f933c8d2 8 * http://www.apache.org/licenses/LICENSE-2.0
TMBOY 45:2aa9f933c8d2 9 *
TMBOY 45:2aa9f933c8d2 10 * Unless required by applicable law or agreed to in writing, software
TMBOY 45:2aa9f933c8d2 11 * distributed under the License is distributed on an "AS IS" BASIS,
TMBOY 45:2aa9f933c8d2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
TMBOY 45:2aa9f933c8d2 13 * See the License for the specific language governing permissions and
TMBOY 45:2aa9f933c8d2 14 * limitations under the License.
TMBOY 45:2aa9f933c8d2 15 */
TMBOY 45:2aa9f933c8d2 16 package com.baidu.duer.dcs.util;
TMBOY 45:2aa9f933c8d2 17
TMBOY 45:2aa9f933c8d2 18 import android.app.AlertDialog;
TMBOY 45:2aa9f933c8d2 19 import android.app.AlertDialog.Builder;
TMBOY 45:2aa9f933c8d2 20 import android.content.Context;
TMBOY 45:2aa9f933c8d2 21 import android.os.Build;
TMBOY 45:2aa9f933c8d2 22 import android.os.Bundle;
TMBOY 45:2aa9f933c8d2 23 import android.text.TextUtils;
TMBOY 45:2aa9f933c8d2 24
TMBOY 45:2aa9f933c8d2 25 import org.json.JSONArray;
TMBOY 45:2aa9f933c8d2 26 import org.json.JSONObject;
TMBOY 45:2aa9f933c8d2 27
TMBOY 45:2aa9f933c8d2 28 import java.io.Closeable;
TMBOY 45:2aa9f933c8d2 29 import java.io.IOException;
TMBOY 45:2aa9f933c8d2 30 import java.net.URLDecoder;
TMBOY 45:2aa9f933c8d2 31 import java.net.URLEncoder;
TMBOY 45:2aa9f933c8d2 32 import java.text.SimpleDateFormat;
TMBOY 45:2aa9f933c8d2 33 import java.util.Date;
TMBOY 45:2aa9f933c8d2 34 import java.util.Locale;
TMBOY 45:2aa9f933c8d2 35 import java.util.UUID;
TMBOY 45:2aa9f933c8d2 36
TMBOY 45:2aa9f933c8d2 37 /**
TMBOY 45:2aa9f933c8d2 38 * 辅助工具类
TMBOY 45:2aa9f933c8d2 39 * <p>
TMBOY 45:2aa9f933c8d2 40 * Created by guxiuzhong@baidu.com on 2017/5/17.
TMBOY 45:2aa9f933c8d2 41 */
TMBOY 45:2aa9f933c8d2 42 public class CommonUtil {
TMBOY 45:2aa9f933c8d2 43 private static final int JSON_INDENT = 4;
TMBOY 45:2aa9f933c8d2 44
TMBOY 45:2aa9f933c8d2 45 public static String getCurrentTime() {
TMBOY 45:2aa9f933c8d2 46 SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss",
TMBOY 45:2aa9f933c8d2 47 Locale.CHINESE);
TMBOY 45:2aa9f933c8d2 48 return format.format(new Date());
TMBOY 45:2aa9f933c8d2 49 }
TMBOY 45:2aa9f933c8d2 50
TMBOY 45:2aa9f933c8d2 51 /**
TMBOY 45:2aa9f933c8d2 52 * 将毫秒格式转化为yyyy-MM-dd HH:mm:ss
TMBOY 45:2aa9f933c8d2 53 *
TMBOY 45:2aa9f933c8d2 54 * @param milliSeconds 毫秒
TMBOY 45:2aa9f933c8d2 55 * @return 格式化后的字符串结果
TMBOY 45:2aa9f933c8d2 56 */
TMBOY 45:2aa9f933c8d2 57 public static String formatToDataTime(long milliSeconds) {
TMBOY 45:2aa9f933c8d2 58 SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());
TMBOY 45:2aa9f933c8d2 59 return sd.format(milliSeconds);
TMBOY 45:2aa9f933c8d2 60 }
TMBOY 45:2aa9f933c8d2 61
TMBOY 45:2aa9f933c8d2 62 /**
TMBOY 45:2aa9f933c8d2 63 * 将key1=value1&key2=value2格式的query转换成key-value形式的参数串
TMBOY 45:2aa9f933c8d2 64 *
TMBOY 45:2aa9f933c8d2 65 * @param query key1=value1&key2=value2格式的query
TMBOY 45:2aa9f933c8d2 66 * @return key-value形式的bundle
TMBOY 45:2aa9f933c8d2 67 */
TMBOY 45:2aa9f933c8d2 68 public static Bundle decodeUrl(String query) {
TMBOY 45:2aa9f933c8d2 69 Bundle ret = new Bundle();
TMBOY 45:2aa9f933c8d2 70 if (query != null) {
TMBOY 45:2aa9f933c8d2 71 String[] pairs = query.split("&");
TMBOY 45:2aa9f933c8d2 72 for (String pair : pairs) {
TMBOY 45:2aa9f933c8d2 73 String[] keyAndValues = pair.split("=");
TMBOY 45:2aa9f933c8d2 74 if (keyAndValues != null && keyAndValues.length == 2) {
TMBOY 45:2aa9f933c8d2 75 String key = keyAndValues[0];
TMBOY 45:2aa9f933c8d2 76 String value = keyAndValues[1];
TMBOY 45:2aa9f933c8d2 77 if (!TextUtils.isEmpty(key) && !TextUtils.isEmpty(value)) {
TMBOY 45:2aa9f933c8d2 78 ret.putString(URLDecoder.decode(key), URLDecoder.decode(value));
TMBOY 45:2aa9f933c8d2 79 }
TMBOY 45:2aa9f933c8d2 80 }
TMBOY 45:2aa9f933c8d2 81 }
TMBOY 45:2aa9f933c8d2 82 }
TMBOY 45:2aa9f933c8d2 83 return ret;
TMBOY 45:2aa9f933c8d2 84 }
TMBOY 45:2aa9f933c8d2 85
TMBOY 45:2aa9f933c8d2 86 /**
TMBOY 45:2aa9f933c8d2 87 * 将key-value形式的参数串，转换成key1=value1&key2=value2格式的query
TMBOY 45:2aa9f933c8d2 88 *
TMBOY 45:2aa9f933c8d2 89 * @param params key-value参数
TMBOY 45:2aa9f933c8d2 90 * @return key1=value1&key2=value2格式的query
TMBOY 45:2aa9f933c8d2 91 */
TMBOY 45:2aa9f933c8d2 92 public static String encodeUrl(Bundle params) {
TMBOY 45:2aa9f933c8d2 93 if (params == null || params.isEmpty()) {
TMBOY 45:2aa9f933c8d2 94 return null;
TMBOY 45:2aa9f933c8d2 95 }
TMBOY 45:2aa9f933c8d2 96 boolean first = true;
TMBOY 45:2aa9f933c8d2 97 StringBuilder sb = new StringBuilder();
TMBOY 45:2aa9f933c8d2 98 for (String key : params.keySet()) {
TMBOY 45:2aa9f933c8d2 99 String paramValue = params.getString(key);
TMBOY 45:2aa9f933c8d2 100 if (paramValue == null) {
TMBOY 45:2aa9f933c8d2 101 continue;
TMBOY 45:2aa9f933c8d2 102 }
TMBOY 45:2aa9f933c8d2 103 if (first) {
TMBOY 45:2aa9f933c8d2 104 first = false;
TMBOY 45:2aa9f933c8d2 105 } else {
TMBOY 45:2aa9f933c8d2 106 sb.append("&");
TMBOY 45:2aa9f933c8d2 107 }
TMBOY 45:2aa9f933c8d2 108 sb.append(URLEncoder.encode(key)).append("=").append(URLEncoder.encode(paramValue));
TMBOY 45:2aa9f933c8d2 109 }
TMBOY 45:2aa9f933c8d2 110 return sb.toString();
TMBOY 45:2aa9f933c8d2 111 }
TMBOY 45:2aa9f933c8d2 112
TMBOY 45:2aa9f933c8d2 113 /**
TMBOY 45:2aa9f933c8d2 114 * 展示一个通用的弹出框UI
TMBOY 45:2aa9f933c8d2 115 *
TMBOY 45:2aa9f933c8d2 116 * @param context 展示弹出框的上下文环境
TMBOY 45:2aa9f933c8d2 117 * @param title 警告的title信息
TMBOY 45:2aa9f933c8d2 118 * @param text 警告信息
TMBOY 45:2aa9f933c8d2 119 */
TMBOY 45:2aa9f933c8d2 120 public static void showAlert(Context context, String title, String text) {
TMBOY 45:2aa9f933c8d2 121 AlertDialog alertDialog = new Builder(context).create();
TMBOY 45:2aa9f933c8d2 122 alertDialog.setTitle(title);
TMBOY 45:2aa9f933c8d2 123 alertDialog.setMessage(text);
TMBOY 45:2aa9f933c8d2 124 alertDialog.setCanceledOnTouchOutside(true);
TMBOY 45:2aa9f933c8d2 125 alertDialog.show();
TMBOY 45:2aa9f933c8d2 126 }
TMBOY 45:2aa9f933c8d2 127
TMBOY 45:2aa9f933c8d2 128 private static long lastClickTime;
TMBOY 45:2aa9f933c8d2 129
TMBOY 45:2aa9f933c8d2 130 /**
TMBOY 45:2aa9f933c8d2 131 * 是否是双击
TMBOY 45:2aa9f933c8d2 132 *
TMBOY 45:2aa9f933c8d2 133 * @return true 是，false 否
TMBOY 45:2aa9f933c8d2 134 */
TMBOY 45:2aa9f933c8d2 135 public static boolean isFastDoubleClick() {
TMBOY 45:2aa9f933c8d2 136 long time = System.currentTimeMillis();
TMBOY 45:2aa9f933c8d2 137 if (time - lastClickTime < 500) {
TMBOY 45:2aa9f933c8d2 138 return true;
TMBOY 45:2aa9f933c8d2 139 }
TMBOY 45:2aa9f933c8d2 140 lastClickTime = time;
TMBOY 45:2aa9f933c8d2 141 return false;
TMBOY 45:2aa9f933c8d2 142 }
TMBOY 45:2aa9f933c8d2 143
TMBOY 45:2aa9f933c8d2 144 /**
TMBOY 45:2aa9f933c8d2 145 * json 格式化输出
TMBOY 45:2aa9f933c8d2 146 *
TMBOY 45:2aa9f933c8d2 147 * @param json json字符串
TMBOY 45:2aa9f933c8d2 148 * @return 用四个空格缩进后的json字符串结果
TMBOY 45:2aa9f933c8d2 149 */
TMBOY 45:2aa9f933c8d2 150 public static String formatJson(String json) {
TMBOY 45:2aa9f933c8d2 151 String formatted = "";
TMBOY 45:2aa9f933c8d2 152 if (json == null || json.length() == 0) {
TMBOY 45:2aa9f933c8d2 153 return formatted;
TMBOY 45:2aa9f933c8d2 154 }
TMBOY 45:2aa9f933c8d2 155 try {
TMBOY 45:2aa9f933c8d2 156 if (json.startsWith("{")) {
TMBOY 45:2aa9f933c8d2 157 JSONObject jo = new JSONObject(json);
TMBOY 45:2aa9f933c8d2 158 formatted = jo.toString(JSON_INDENT);
TMBOY 45:2aa9f933c8d2 159 } else if (json.startsWith("[")) {
TMBOY 45:2aa9f933c8d2 160 JSONArray ja = new JSONArray(json);
TMBOY 45:2aa9f933c8d2 161 formatted = ja.toString(JSON_INDENT);
TMBOY 45:2aa9f933c8d2 162 }
TMBOY 45:2aa9f933c8d2 163 } catch (Exception e) {
TMBOY 45:2aa9f933c8d2 164 e.printStackTrace();
TMBOY 45:2aa9f933c8d2 165 }
TMBOY 45:2aa9f933c8d2 166 return formatted;
TMBOY 45:2aa9f933c8d2 167 }
TMBOY 45:2aa9f933c8d2 168
TMBOY 45:2aa9f933c8d2 169 /**
TMBOY 45:2aa9f933c8d2 170 * 关闭流
TMBOY 45:2aa9f933c8d2 171 *
TMBOY 45:2aa9f933c8d2 172 * @param closeables closeables
TMBOY 45:2aa9f933c8d2 173 */
TMBOY 45:2aa9f933c8d2 174 public static void closeQuietly(Closeable... closeables) {
TMBOY 45:2aa9f933c8d2 175 for (Closeable c : closeables) {
TMBOY 45:2aa9f933c8d2 176 try {
TMBOY 45:2aa9f933c8d2 177 if (c != null) {
TMBOY 45:2aa9f933c8d2 178 c.close();
TMBOY 45:2aa9f933c8d2 179 }
TMBOY 45:2aa9f933c8d2 180 } catch (IOException e) {
TMBOY 45:2aa9f933c8d2 181 e.printStackTrace();
TMBOY 45:2aa9f933c8d2 182 }
TMBOY 45:2aa9f933c8d2 183 }
TMBOY 45:2aa9f933c8d2 184 }
TMBOY 45:2aa9f933c8d2 185
TMBOY 45:2aa9f933c8d2 186 /**
TMBOY 45:2aa9f933c8d2 187 * Android设备物理唯一标识符
TMBOY 45:2aa9f933c8d2 188 *
TMBOY 45:2aa9f933c8d2 189 * @return String 设备唯一标识
TMBOY 45:2aa9f933c8d2 190 */
TMBOY 45:2aa9f933c8d2 191 public static String getDeviceUniqueID() {
TMBOY 45:2aa9f933c8d2 192 String devIDShort = "35" + (Build.BOARD.length() % 10) + (Build.BRAND.length() % 10);
TMBOY 45:2aa9f933c8d2 193 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
TMBOY 45:2aa9f933c8d2 194 devIDShort += (Build.SUPPORTED_ABIS[0].length() % 10);
TMBOY 45:2aa9f933c8d2 195 } else {
TMBOY 45:2aa9f933c8d2 196 devIDShort += (Build.CPU_ABI.length() % 10);
TMBOY 45:2aa9f933c8d2 197 }
TMBOY 45:2aa9f933c8d2 198 devIDShort += (Build.DEVICE.length() % 10) + (Build.MANUFACTURER.length() % 10)
TMBOY 45:2aa9f933c8d2 199 + (Build.MODEL.length() % 10) + (Build.PRODUCT.length() % 10);
TMBOY 45:2aa9f933c8d2 200 String serial;
TMBOY 45:2aa9f933c8d2 201 try {
TMBOY 45:2aa9f933c8d2 202 serial = Build.class.getField("SERIAL").get(null).toString();
TMBOY 45:2aa9f933c8d2 203 return new UUID(devIDShort.hashCode(), serial.hashCode()).toString();
TMBOY 45:2aa9f933c8d2 204 } catch (Exception e) {
TMBOY 45:2aa9f933c8d2 205 serial = "Dueros000";
TMBOY 45:2aa9f933c8d2 206 }
TMBOY 45:2aa9f933c8d2 207 return new UUID(devIDShort.hashCode(), serial.hashCode()).toString();
TMBOY 45:2aa9f933c8d2 208 }
TMBOY 45:2aa9f933c8d2 209 }