package com.youai.aistore;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.security.KeyFactory;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.sql.Date;
import java.text.SimpleDateFormat;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Environment;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.Toast;
/**
* 公用工具类
*
* @author Qzr
*
*/
public class Util {
private static final String ALGORITHM = "RSA";
private static final String SIGN_ALGORITHMS = "SHA1WithRSA";
private static final String DEFAULT_CHARSET = "UTF-8";
private static CustomProgressDialog progressDialog = null;
/**
* 判断是否是电话号码
*
* @param mobiles
* @return true是电话号码
*/
public static boolean isMobileNO(String mobiles) {
String telRegex = "[1][3578]\\d{9}";// "[1]"代表第1位为数字1，"[358]"代表第二位可以为3、5、8中的一个，"\\d{9}"代表后面是可以是0～9的数字，有9位。
if (TextUtils.isEmpty(mobiles))
return false;
else
return mobiles.matches(telRegex);
}
/**
* 判断email格式是否正确
*
* @param email
* @return
*/
public static boolean isEmail(String email) {
String str = "^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
Pattern p = Pattern.compile(str);
Matcher m = p.matcher(email);
return m.matches();
}
/**
* 密码位数限制，大于4位，小于10位
*
* @param password
* @return
*/
public static boolean ispassword(String password) {
String str = "[0-9A-Za-z]{4,10}";
Pattern p = Pattern.compile(str);
Matcher m = p.matcher(password);
return m.matches();
}
/**
* 检查开头或结尾是否有空格
*
* @param password
* @return
*/
public static boolean isnullstring(String password) {
String str = "\\s+";
Pattern p = Pattern.compile(str);
Matcher m = p.matcher(password);
return m.matches();
}
/**
* 判断字符串是否为空
*
* @param text
* @return true 不为空
*/
public static boolean IsNull(String text) {
if (text != null && !text.equals("")) {
return true;
}
return false;
}
/**
* 获取图片宽度和高度
*
* @param id
* @param resources
* @return
*/
public static int[] getBitmapWidth(int id, Resources resources) {
BitmapFactory.Options opts = new BitmapFactory.Options();
// 设置为ture只获取图片大小
opts.inJustDecodeBounds = true;
opts.inPreferredConfig = Bitmap.Config.ARGB_8888;
BitmapFactory.decodeResource(resources, id, opts);
return new int[] { opts.outWidth, opts.outHeight };
}
/**
* 判断网络是否可用
*
* @param act
* @return ture可用
*/
public static boolean detect(Context act) {
ConnectivityManager manager = (ConnectivityManager) act
.getApplicationContext().getSystemService(
Context.CONNECTIVITY_SERVICE);
if (manager == null) {
return false;
}
NetworkInfo networkinfo = manager.getActiveNetworkInfo();
if (networkinfo == null || !networkinfo.isAvailable()) {
return false;
}
return true;
}
/**
* 把时间戳转化成时间类型
*
* @param str
* 时间类型格式
* @param time
* 时间戳 单位毫秒
* @return
*/
public static String getData(String str, long time) {
// yyyy-MM-dd hh:mm:ss
SimpleDateFormat sdf = new SimpleDateFormat(str);
String date = sdf.format(new Date(time));
return date;
}
/**
* 获取当前时间
*
* @param str
* 时间类型格式
* @return
*/
public static String getdata(String str) {
Date date = new Date(System.currentTimeMillis());
SimpleDateFormat sdf = new SimpleDateFormat(str);
return sdf.format(date);
}
/**
* 启动Loding...
*
* @param context
*/
public static void startProgressDialog(Context context) {
if (progressDialog == null) {
progressDialog = CustomProgressDialog.createDialog(context);
}
progressDialog.show();
}
/**
* 关闭Loding...
*/
public static void stopProgressDialog() {
if (progressDialog != null && progressDialog.isShowing()) {
progressDialog.dismiss();
progressDialog = null;
}
}
/**
* 获取外置sd卡的根路径，如果沒有外置sd卡，則返回null
*
* @return
*/
public String getSdPath() {
String sdcard_path = null;
String sd_default = Environment.getExternalStorageDirectory()
.getAbsolutePath();
if (sd_default.endsWith("/")) {
sd_default = sd_default.substring(0, sd_default.length() - 1);
}
// 得到路径
try {
Runtime runtime = Runtime.getRuntime();
Process proc = runtime.exec("mount");
InputStream is = proc.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
String line;
BufferedReader br = new BufferedReader(isr);
while ((line = br.readLine()) != null) {
if (line.contains("secure"))
continue;
if (line.contains("asec"))
continue;
if (line.contains("fat") && line.contains("/mnt/")) {
String columns[] = line.split(" ");
if (columns != null && columns.length > 1) {
if (sd_default.trim().equals(columns[1].trim())) {
continue;
}
sdcard_path = columns[1];
}
} else if (line.contains("fuse") && line.contains("/mnt/")) {
String columns[] = line.split(" ");
if (columns != null && columns.length > 1) {
if (sd_default.trim().equals(columns[1].trim())) {
continue;
}
sdcard_path = columns[1];
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return sdcard_path;
}
/**
* 呼出Toast
*
* @param context
* @param content
*/
public static void ShowToast(Context context, String content) {
Toast.makeText(context, content, 1000).show();
}
/**
* 呼出Toast
*
* @param context
* @param i
*/
public static void ShowToast(Context context, int i) {
Toast.makeText(context, i, 1000).show();
}
/**
* md5加密
*
* @param key
* @return
*/
public static String hashKeyForDisk(String key) {
String cacheKey;
try {
final MessageDigest mDigest = MessageDigest.getInstance("MD5");
mDigest.update(key.getBytes());
cacheKey = bytesToHexString(mDigest.digest());
} catch (NoSuchAlgorithmException e) {
cacheKey = String.valueOf(key.hashCode());
}
return cacheKey;
}
private static String bytesToHexString(byte[] bytes) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < bytes.length; i++) {
String hex = Integer.toHexString(0xFF & bytes[i]);
if (hex.length() == 1) {
sb.append('0');
}
sb.append(hex);
}
return sb.toString();
}
public static void setListViewHeightBasedOnChildren(ListView listView) {
// 获取ListView对应的Adapter
ListAdapter listAdapter = listView.getAdapter();
if (listAdapter == null) {
return;
}
int totalHeight = 0;
for (int i = 0, len = listAdapter.getCount(); i < len; i++) { // listAdapter.getCount()返回数据项的数目
View listItem = listAdapter.getView(i, null, listView);
listItem.measure(0, 0); // 计算子项View 的宽高
totalHeight += listItem.getMeasuredHeight(); // 统计所有子项的总高度
}
ViewGroup.LayoutParams params = listView.getLayoutParams();
params.height = totalHeight
+ (listView.getDividerHeight() * (listAdapter.getCount() - 1));
// listView.getDividerHeight()获取子项间分隔符占用的高度
// params.height最后得到整个ListView完整显示需要的高度
listView.setLayoutParams(params);
}
/**
* 把时间戳转化成时间类型
*
* @param str
* 时间类型格式
* @param time
* 时间戳 单位毫秒
* @return
*/
public static String getTimeForData(String str, long time) {
// yyyy-MM-dd hh:mm:ss
SimpleDateFormat sdf = new SimpleDateFormat(str);
String date = sdf.format(new Date(time));
return date;
}
public static String sign(String content, String privateKey) {
try {
PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec(
Base64.decode(privateKey));
KeyFactory keyf = KeyFactory.getInstance(ALGORITHM);
PrivateKey priKey = keyf.generatePrivate(priPKCS8);
java.security.Signature signature = java.security.Signature
.getInstance(SIGN_ALGORITHMS);
signature.initSign(priKey);
signature.update(content.getBytes(DEFAULT_CHARSET));
byte[] signed = signature.sign();
return Base64.encode(signed);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}