Diff: dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/util/CommonUtil.java

Revision:

45:2aa9f933c8d2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/util/CommonUtil.java	Tue Jul 18 16:34:48 2017 +0800
@@ -0,0 +1,209 @@
+/*
+ * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
+ * 
+ * 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.baidu.duer.dcs.util;
+
+import android.app.AlertDialog;
+import android.app.AlertDialog.Builder;
+import android.content.Context;
+import android.os.Build;
+import android.os.Bundle;
+import android.text.TextUtils;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+import java.util.UUID;
+
+/**
+ * 辅助工具类
+ * <p>
+ * Created by guxiuzhong@baidu.com on 2017/5/17.
+ */
+public class CommonUtil {
+    private static final int JSON_INDENT = 4;
+
+    public static String getCurrentTime() {
+        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss",
+                Locale.CHINESE);
+        return format.format(new Date());
+    }
+
+    /**
+     * 将毫秒格式转化为yyyy-MM-dd HH:mm:ss
+     *
+     * @param milliSeconds 毫秒
+     * @return 格式化后的字符串结果
+     */
+    public static String formatToDataTime(long milliSeconds) {
+        SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());
+        return sd.format(milliSeconds);
+    }
+
+    /**
+     * 将key1=value1&key2=value2格式的query转换成key-value形式的参数串
+     *
+     * @param query key1=value1&key2=value2格式的query
+     * @return key-value形式的bundle
+     */
+    public static Bundle decodeUrl(String query) {
+        Bundle ret = new Bundle();
+        if (query != null) {
+            String[] pairs = query.split("&");
+            for (String pair : pairs) {
+                String[] keyAndValues = pair.split("=");
+                if (keyAndValues != null && keyAndValues.length == 2) {
+                    String key = keyAndValues[0];
+                    String value = keyAndValues[1];
+                    if (!TextUtils.isEmpty(key) && !TextUtils.isEmpty(value)) {
+                        ret.putString(URLDecoder.decode(key), URLDecoder.decode(value));
+                    }
+                }
+            }
+        }
+        return ret;
+    }
+
+    /**
+     * 将key-value形式的参数串，转换成key1=value1&key2=value2格式的query
+     *
+     * @param params key-value参数
+     * @return key1=value1&key2=value2格式的query
+     */
+    public static String encodeUrl(Bundle params) {
+        if (params == null || params.isEmpty()) {
+            return null;
+        }
+        boolean first = true;
+        StringBuilder sb = new StringBuilder();
+        for (String key : params.keySet()) {
+            String paramValue = params.getString(key);
+            if (paramValue == null) {
+                continue;
+            }
+            if (first) {
+                first = false;
+            } else {
+                sb.append("&");
+            }
+            sb.append(URLEncoder.encode(key)).append("=").append(URLEncoder.encode(paramValue));
+        }
+        return sb.toString();
+    }
+
+    /**
+     * 展示一个通用的弹出框UI
+     *
+     * @param context 展示弹出框的上下文环境
+     * @param title   警告的title信息
+     * @param text    警告信息
+     */
+    public static void showAlert(Context context, String title, String text) {
+        AlertDialog alertDialog = new Builder(context).create();
+        alertDialog.setTitle(title);
+        alertDialog.setMessage(text);
+        alertDialog.setCanceledOnTouchOutside(true);
+        alertDialog.show();
+    }
+
+    private static long lastClickTime;
+
+    /**
+     * 是否是双击
+     *
+     * @return true 是，false 否
+     */
+    public static boolean isFastDoubleClick() {
+        long time = System.currentTimeMillis();
+        if (time - lastClickTime < 500) {
+            return true;
+        }
+        lastClickTime = time;
+        return false;
+    }
+
+    /**
+     * json 格式化输出
+     *
+     * @param json json字符串
+     * @return 用四个空格缩进后的json字符串结果
+     */
+    public static String formatJson(String json) {
+        String formatted = "";
+        if (json == null || json.length() == 0) {
+            return formatted;
+        }
+        try {
+            if (json.startsWith("{")) {
+                JSONObject jo = new JSONObject(json);
+                formatted = jo.toString(JSON_INDENT);
+            } else if (json.startsWith("[")) {
+                JSONArray ja = new JSONArray(json);
+                formatted = ja.toString(JSON_INDENT);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return formatted;
+    }
+
+    /**
+     * 关闭流
+     *
+     * @param closeables closeables
+     */
+    public static void closeQuietly(Closeable... closeables) {
+        for (Closeable c : closeables) {
+            try {
+                if (c != null) {
+                    c.close();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    /**
+     * Android设备物理唯一标识符
+     *
+     * @return String 设备唯一标识
+     */
+    public static String getDeviceUniqueID() {
+        String devIDShort = "35" + (Build.BOARD.length() % 10) + (Build.BRAND.length() % 10);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            devIDShort += (Build.SUPPORTED_ABIS[0].length() % 10);
+        } else {
+            devIDShort += (Build.CPU_ABI.length() % 10);
+        }
+        devIDShort += (Build.DEVICE.length() % 10) + (Build.MANUFACTURER.length() % 10)
+                + (Build.MODEL.length() % 10) + (Build.PRODUCT.length() % 10);
+        String serial;
+        try {
+            serial = Build.class.getField("SERIAL").get(null).toString();
+            return new UUID(devIDShort.hashCode(), serial.hashCode()).toString();
+        } catch (Exception e) {
+            serial = "Dueros000";
+        }
+        return new UUID(devIDShort.hashCode(), serial.hashCode()).toString();
+    }
+}
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