Android(安卓)工具类大全java文件

package com.clw.cosmax.utils;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.math.BigDecimal;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import java.text.DateFormat;import java.text.DecimalFormat;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;import java.util.Set;import java.util.regex.Matcher;import java.util.regex.Pattern;import javax.security.auth.Subject;import me.maxwin.view.XListView;import com.clw.cosmax.R;import com.clw.cosmax.activity.ProductDetailsAc;import android.app.Activity;import android.app.Dialog;import android.content.Context;import android.content.Intent;import android.content.pm.PackageInfo;import android.content.pm.PackageManager.NameNotFoundException;import android.graphics.Bitmap;import android.graphics.Bitmap.CompressFormat;import android.graphics.BitmapFactory;import android.graphics.Color;import android.graphics.Matrix;import android.graphics.Typeface;import android.net.ConnectivityManager;import android.net.NetworkInfo;import android.net.Uri;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.os.Environment;import android.os.Handler;import android.os.StatFs;import android.telephony.TelephonyManager;import android.text.format.Formatter;import android.util.Base64;import android.util.DisplayMetrics;import android.util.Log;import android.view.Display;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.Window;import android.view.WindowManager;import android.view.View.MeasureSpec;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.webkit.WebSettings;import android.webkit.WebView;import android.webkit.WebViewClient;import android.widget.Button;import android.widget.FrameLayout;import android.widget.ListAdapter;import android.widget.ListView;import android.widget.RelativeLayout;import android.widget.TextView;import android.widget.LinearLayout.LayoutParams;/** * 工具类 *  * @author bkw *  */public class Tools {  private static final String TAG = "Tools";  /**   * webview 设置html文本   *    * @param webview   * @param content   */  public static void setWebView(final WebView webview, String content) {    // webview.getSettings().setBlockNetworkImage(true);    // webview.getSettings().setUseWideViewPort(false);    // webview.getSettings()    // .setLayoutAlgorithm(LayoutAlgorithm.NARROW_COLUMNS);    webview.setWebViewClient(new WebViewClient() {      @Override      public void onPageFinished(WebView view, String url) {        webview.getSettings().setBlockNetworkImage(false);      }    });    webview.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);    webview.loadDataWithBaseURL(null, content, "text/html", "utf-8", null);    webview.setBackgroundColor(Color.parseColor("#00000000"));    webview.setBackgroundResource(R.color.white);  }  /**   * 根据年 月 获取对应的月份 天数   * */  public static int getDaysByYearMonth(int year, int month) {    Calendar a = Calendar.getInstance();    a.set(Calendar.YEAR, year);    a.set(Calendar.MONTH, month - 1);    a.set(Calendar.DATE, 1);    a.roll(Calendar.DATE, -1);    int daynum = a.get(Calendar.DATE);    return daynum;  }  /**   * 将dp类型的尺寸转换成px类型的尺寸   *    * @param size   * @param context   * @return   */  public static int dip2px(Context context, int dipValue) {    float scale = context.getResources().getDisplayMetrics().density;    return (int) (dipValue * scale + 0.5f);  }  /**   * 获取加密签名   *    * @param timestamp   * @return   */  // public static String getSign(String timestamp) {  // String sign = "";  // String key = timestamp + StaticField.VERSION + StaticField.SECURITY_KEY;  // sign = Tools.MD5(key.toLowerCase());  // return sign;  // }  /**   * MD5加密   *    * @param plainText   * @return   */  public static String MD5(String plainText) {    try {      MessageDigest md = MessageDigest.getInstance("MD5");      md.update(plainText.getBytes());      byte b[] = md.digest();      int i;      StringBuffer buf = new StringBuffer("");      for (int offset = 0; offset < b.length; offset++) {        i = b[offset];        if (i < 0) {          i += 256;        }        if (i < 16) {          buf.append("0");        }        buf.append(Integer.toHexString(i));      }      return buf.toString();    } catch (NoSuchAlgorithmException e) {      e.printStackTrace();    }    return null;  }  /**   * 获取手机唯一设备号   */  private static TelephonyManager telephonyManager;  public static String getDeviceId(Activity activity) {    String imei = "";    telephonyManager = (TelephonyManager) activity.getSystemService(Context.TELEPHONY_SERVICE);    imei = telephonyManager.getDeviceId();    return imei;  }  /**   *    *    * @param activity   * @return   */  // public static String getRegId(Activity activity) {  // PushBean pushBean = (PushBean) FileUtil.getInstance().getObject("push");  // if(null != pushBean && !Tools.isNull(pushBean.getUserId())){  // return pushBean.getUserId();  // }  // String imei = "";  // telephonyManager = (TelephonyManager)  // activity.getSystemService(Context.TELEPHONY_SERVICE);  // imei = telephonyManager.getDeviceId();  // FileUtil.getInstance().saveObject(pushBean, "push");  // return imei;  // }  /**   * 根据时间戳返回时分秒 --- 倒计时   *    * @param time   * @return   */  public static String getMSTime(long time1) {    long time = time1 / 1000;    long a, b, c = 0;    a = time % 60;    b = time / 60;    if (b > 60) {      c = b / 60;      b = b % 60;    }    return c + ":" + b + ":" + a;  }  /**   * 判断当前是够有网络   *    * @param context   * @return   */  public static boolean checkIsOnLine(Context context) {    ConnectivityManager connectivity = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);    if (connectivity != null) {      // 获取网络连接管理的对象      NetworkInfo info = connectivity.getActiveNetworkInfo();      if (info != null) {        // 判断当前网络是否已经连接        if (info.isConnected()) {          return true;        }      }    }    return false;  }  /**   * 将Bitmap转换base64加密的字符串   */  public static String bitmaptoString(Bitmap bitmap) {    String string = null;    ByteArrayOutputStream bStream = new ByteArrayOutputStream();    bitmap.compress(CompressFormat.PNG, 100, bStream);    byte[] bytes = bStream.toByteArray();    string = Base64.encodeToString(bytes, Base64.DEFAULT);    return string;  }  /** 获取字符串 */  public static String getString(Context context, int stringid) {    String content;    if (context == null || stringid == 0) {      content = "error";    } else {      content = context.getString(stringid);    }    return content;  }  /** 把字符串转成数字 */  public static int stringToInt(String num) {    if (isNull(num)) {      num = "0";    }    return Integer.parseInt(num);  }  /**   * 地图初始位置定位   */  @SuppressWarnings("unused")  private static double LONGITUDE = 0;  @SuppressWarnings("unused")  private static double LATITUDE = 0;  // // 存入当前定位城市  // public static void setCurrLocationCity(Context c, String city) {  // SharedPreferences sp = c.getSharedPreferences("curr_location_city",  // Context.MODE_PRIVATE);  // sp.edit().putString("city", city).commit();  // }  //  // // 取出当前定位城市  // public static String getCurrLocationCity(Context c) {  // String str = "";  // SharedPreferences sp = c.getSharedPreferences("curr_location_city",  // Context.MODE_PRIVATE);  // if (sp != null) {  // str = sp.getString("city", "");  // }  // return str;  // }  //  // // 存入当前选择城市  // public static void setCurrChoisedCity(Context c, String city) {  // SharedPreferences sp = c.getSharedPreferences("curr_choised_city",  // Context.MODE_PRIVATE);  // sp.edit().putString("city", city).commit();  // }  //  // // 取出当前选择城市  // public static String getCurrChoisedCity(Context c) {  // String str = "";  // SharedPreferences sp = c.getSharedPreferences("curr_choised_city",  // Context.MODE_PRIVATE);  // if (sp != null) {  // str = sp.getString("city", "");  // }  // return str;  // }  // public static double getLongitude(Context c) {// 经度  // if (LONGITUDE == 0) {  // SharedPreferences sp = c.getSharedPreferences("longitude",  // Context.MODE_PRIVATE);  // LONGITUDE = Double.parseDouble(sp.getString("num", "-1"));  // }  // return LONGITUDE;  // }  //  // public static double getLatitude(Context c) {// 纬度  // if (LATITUDE == 0) {  // SharedPreferences sp = c.getSharedPreferences("latitude",  // Context.MODE_PRIVATE);  // LATITUDE = Double.parseDouble(sp.getString("num", "-1"));  // }  // return LATITUDE;  // }  //  // public static void setLongitude(Context c, double longitude) {  // LONGITUDE = longitude;  // SharedPreferences sp = c.getSharedPreferences("longitude",  // Context.MODE_PRIVATE);  // sp.edit().putString("num", String.valueOf(longitude)).commit();  // }  //  // public static void setLatitude(Context c, double latitude) {  // LATITUDE = latitude;  // SharedPreferences sp = c.getSharedPreferences("latitude",  // Context.MODE_PRIVATE);  // sp.edit().putString("num", String.valueOf(latitude)).commit();  // }  /**   * 获取屏幕信息 宽,高   *    * @author Michael.Zhang 2013-10-31 下午5:16:01   */  public static void getScreenWidth(Activity activity) {    DisplayMetrics dm = new DisplayMetrics();    activity.getWindowManager().getDefaultDisplay().getMetrics(dm);    StaticField.SCREEN_HEIGHT = dm.heightPixels;    StaticField.SCREEN_WIDHT = dm.widthPixels;  }  public static int[] getScreenSize(Activity activity) {    DisplayMetrics dm = new DisplayMetrics();    activity.getWindowManager().getDefaultDisplay().getMetrics(dm);    return new int[] { dm.widthPixels, dm.heightPixels };  }  /**   * 压缩图片   *    * @param bm   * @param newWidth   * @param newHeight   * @return   */  public static Bitmap scaleImg(Bitmap bm, int newWidth, int newHeight) {    // 获得图片的宽高    int width = bm.getWidth();    int height = bm.getHeight();    // 设置想要的大小    int newWidth1 = newWidth;    int newHeight1 = newHeight;    // 计算缩放比例    float scaleWidth = ((float) newWidth1) / width;    float scaleHeight = ((float) newHeight1) / height;    // 取得想要缩放的matrix参数    Matrix matrix = new Matrix();    matrix.postScale(scaleWidth, scaleHeight);    matrix.postRotate(0);    return Bitmap.createScaledBitmap(bm, newWidth, newHeight, false);  }  /**   * 存图片到sdcard   *    * @author Michael.Zhang   * @param bitmap1   */  public static void storeInSD(Bitmap bitmap, String img_name) {    File file = new File(StaticField.SDCARD_PATH);    File imageFile = new File(file, img_name);    try {      imageFile.createNewFile();      FileOutputStream fos = new FileOutputStream(imageFile);      bitmap.compress(CompressFormat.JPEG, 80, fos);      fos.flush();      fos.close();    } catch (Exception e) {      e.printStackTrace();    }  }  /**   * 将图片存入sd卡中缓存目录   *    * @param bitmap   *          图片   * @param img_name   *          图片名字   */  public static String cacheImgToSd(Bitmap bitmap, String img_name) {    File file = new File(StaticField.SDCARD_IMG_TEMP);    if (!file.exists()) {      file.mkdirs();    }    File imageFile = new File(file, img_name);    try {      imageFile.createNewFile();      FileOutputStream fos = new FileOutputStream(imageFile);      bitmap.compress(CompressFormat.JPEG, 80, fos);      fos.flush();      fos.close();      return imageFile.getAbsolutePath();    } catch (Exception e) {      e.printStackTrace();      return "";    }  }  public static void Log(Object s) {    if (s == null) {      s = "传进来的是null";    }    Log.i("info", s.toString());  }  public static void Toast(Context context, String s) {    if (context != null && s != null) {      android.widget.Toast.makeText(context, s, android.widget.Toast.LENGTH_SHORT).show();    }  }  /**   * 判断 多个字段的值否为空   *    * @return true为null或空; false不null或空   */  public static boolean isNull(String... ss) {    for (int i = 0; i < ss.length; i++) {      if (null == ss[i] || ss[i].equals("") || ss[i].equalsIgnoreCase("null")) {        return true;      }    }    return false;  }  /**   * 判断 一个字段的值否为空   *    * @param s   * @return   */  public static boolean isNull(String s) {    if (null == s || s.equals("") || s.equalsIgnoreCase("null")) {      return true;    }    return false;  }  /**   * 判断两个字段是否一样   *    */  public static boolean judgeStringEquals(String s0, String s1) {    return s0 != null && null != s1 && s0.equals(s1);  }  /**   * 根据给定的格式化参数，将给定的字符串时间转换为需要的字符串   *    * @param dateString   * @param dateFormat   * @return java.util.Date   */  public static String parse(String dateString, String dateFormat) {    if ("".equals(dateString.trim()) || dateString == null) {      return null;    }    long da = Long.parseLong(dateString);    DateFormat sdf = new SimpleDateFormat(dateFormat);    Date date = new Date(da);    return sdf.format(date);  }  /**   *    * 将时间戳转为字符串 到秒   *    *    * @param cc_time   * @return   */  public static String getStrTime(String cc_time) {    String re_StrTime = null;    if (cc_time == null) {      cc_time = System.currentTimeMillis() + "";    }    if (cc_time.length() == 10) { // 单位 秒      cc_time += "000";    }    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");    long lcc_time = Long.valueOf(cc_time);    re_StrTime = sdf.format(new Date(lcc_time));    return re_StrTime;  }  /**   *    * 将时间戳转为字符串 到日   *    *    * @param cc_time   * @return   */  public static String getStrDate(String cc_time) {    String re_StrTime = "";    if (cc_time == null) {      cc_time = System.currentTimeMillis() + "";    }    if (cc_time.length() == 10) {      cc_time += "000";    }    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");    long lcc_time = Long.valueOf(cc_time);    re_StrTime = sdf.format(new Date(lcc_time));    return re_StrTime;  }  /**   * 将字符串到分 转换为时间戳   *    * @param user_time   * @return   */  public static String getTime(String user_time) {    String re_time = null;    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");    Date d;    try {      d = sdf.parse(user_time);      long l = d.getTime();      String str = String.valueOf(l);      re_time = str.substring(0, 13);    } catch (ParseException e) {      e.printStackTrace();    }    return re_time;  }  /**   * 将字符串到日 转化为时间戳   *    * @param time   * @return   */  public static String getTimeMillisByDate(String time) {    String re_time = null;    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");    Date d;    try {      d = sdf.parse(time);      long l = d.getTime();      String str = String.valueOf(l);      re_time = str.substring(0, 10);    } catch (ParseException e) {      e.printStackTrace();    }    return re_time;  }  /**   * 获取空格前面的字符串   *    *    * @param time   * @return   */  public static String getDate(String time) {    String date = "";    date = time.substring(0, time.indexOf(' '));    return date;  }  /**   * 获取当前系统时间   *    */  public static String getCurrentTime() {    SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss ");    Date curDate = new Date(System.currentTimeMillis());    String str = formatter.format(curDate);    return str;  }  /**   * @Title: getCutMinute   * @Description: TODO(计算两个时间差，换算出分钟数量)   * @param time1   *          小的时间   * @param time2   *          大的时间   * @date 2014-6-10 上午11:55:09   * @return long 返回类型   */  public static long getCutMinute(String time1, String time2) {    // 这个是在创建足迹的时候，调用的getCurrentTime方法里面，给date设置的format格式，这里通过这个相同的格式将时间转换回date格式    String formateString = "yyyy-MM-dd HH:mm:ss ";    SimpleDateFormat formatter = new SimpleDateFormat(formateString);    long min = 0;    try {      Date date1 = formatter.parse(time1);      Date date2 = formatter.parse(time2);      long l = date2.getTime() - date1.getTime();      min = l / (1000 * 60);    } catch (ParseException e) {    }    return min;  }  // 计算两点距离  public static final double EARTH_RADIUS = 6378137.0;  /**   * @Title: gps2m   * @Description: TODO(根据两个经纬度，计算两点之间的距离，得到的单位是米)   * @author windy   * @date 2014-6-10 下午12:02:53   * @return double 返回类型   */  public static double getMileFromTwoLocation(double lat1, double lng1, double lat2, double lng2) {    double radLat1 = (lat1 * Math.PI / 180.0);    double radLat2 = (lat2 * Math.PI / 180.0);    double a = radLat1 - radLat2;    double b = (lng1 - lng2) * Math.PI / 180.0;    double s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) + Math.cos(radLat1) * Math.cos(radLat2)        * Math.pow(Math.sin(b / 2), 2)));    s = s * EARTH_RADIUS;    s = Math.round(s * 10000) / 10000;    return s;  }  /**   * 将分转为元   *    * @return   */  public static double getMoney(String money) {    if (money != null && !money.equals("") && !money.equals("null")) {      return Double.parseDouble(money) / 100.0;    }    return 0.00;  }  /**   * 验证身份证号码   *    * @param idCard   * @return   */  public static boolean isIdCard(String idCard) {    if (isNull(idCard))      return false;    String pattern = "^[0-9]{17}[0-9|xX]{1}$";    return idCard.matches(pattern);  }  /**   * 验证手机号码   *    * @param phone   * @return   */  public static boolean isPhone(String phone) {    if (isNull(phone))      return false;    // String pattern =    // "^((13[0-9])|(147)|(177)|(15[^4,\\D])|(183)|(18[0-9]))\\d{8}$";    String pattern = "^1\\d{10}";    return phone.matches(pattern);  }  /**   * 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})(\\]?)$";    Pattern p = Pattern.compile(str);    Matcher m = p.matcher(email);    return m.matches();  }  /**   * 简单的验证一下银行卡号   *    * @param bankCard   *          信用卡是16位，其他的是13-19位   * @return   */  public static boolean isBankCard(String bankCard) {    if (isNull(bankCard))      return false;    String pattern = "^\\d{13,19}$";    return bankCard.matches(pattern);  }  /**   * 将px类型的尺寸转换成dp类型的尺寸   *    * @param size   * @param context   * @return   */  public static int PXtoDP(Context context, int pxValue) {    final float scale = context.getResources().getDisplayMetrics().density;    return (int) (pxValue / scale + 0.5f);  }  /**   * 将dp类型的尺寸转换成px类型的尺寸   *    * @param size   * @param context   * @return   */  public static int DPtoPX(Context context, int dipValue) {    final float scale = context.getResources().getDisplayMetrics().density;    return (int) (dipValue * scale + 0.5f);  }  /**   * double 整理   *    * @return   */  public static Double roundDouble(double val, int scale) {    if (scale < 0) {      throw new IllegalArgumentException("The scale must be a positive integer or zero");    }    BigDecimal b = ((0 == val) ? new BigDecimal("0.0") : new BigDecimal(Double.toString(val)));    BigDecimal one = new BigDecimal("1");    return b.divide(one, scale, BigDecimal.ROUND_HALF_UP).doubleValue();  }  /**   * 判断 列表是否为空   *    * @return true为null或空; false不null或空   */  public static boolean isEmptyList(List<?> list) {    return list == null || list.size() == 0;  }  /**   * 判断sd卡是否存在   *    * @return   */  public static boolean judgeSDCard() {    String status = Environment.getExternalStorageState();    return status.equals(Environment.MEDIA_MOUNTED);  }  /**   * 判断 http 链接   *    * @param url   * @return   */  public static boolean isUrl(String url) {    return null != url && url.startsWith("http://");  }  /**   * 判断图品路径   *    * @return   */  public static boolean isImgUrl(String imgUrl) {    return isUrl(imgUrl) && imgUrl.endsWith(".jpg");  }  /**   * 获得hashmap中value的值,以List 返回   *    * @param hashMap   * @return   */  @SuppressWarnings({ "rawtypes", "unused" })  public static List<String> getListByHashMap(HashMap<String, String> hashMap) {    List<String> list = new ArrayList<String>();    Iterator iter = hashMap.entrySet().iterator();    while (iter.hasNext()) {      Map.Entry entry = (Map.Entry) iter.next();      Object key = entry.getKey();      Object val = entry.getValue();      list.add((String) val);    }    return list;  }  /**   * 获取版本号 给用户看的   *    * @return   */  public static String getVersionName(Activity activity) {    String versionName = "0";    if (getPackageInfo(activity) != null) {      versionName = getPackageInfo(activity).versionName;    }    return versionName;  }  /**   * 获取版本号 系统识别用的   *    * @return   */  public static int getVersionCode(Activity activity) {    int versionCode = 0;    if (getPackageInfo(activity) != null) {      versionCode = getPackageInfo(activity).versionCode;    }    return versionCode;  }  private static PackageInfo getPackageInfo(Activity activity) {    String packageName = activity.getPackageName();    try {      return activity.getPackageManager().getPackageInfo(packageName, 0);    } catch (NameNotFoundException e) {      e.printStackTrace();    }    return null;  }  /**   * 获取保存到View的Tag中的字符串   *    * @param v   * @return   */  public static String getViewTagString(View v) {    try {      return v.getTag().toString();    } catch (Exception e) {      return "0";    }  }  /**   * 格式化价格 支付宝用   *    * @return   */  public static String FormatPrice(double price) {    DecimalFormat format = new DecimalFormat("0.00");    String totalprice = format.format(price);    return totalprice;  }  /**   * 判断是否有网络   *    * @param context   * @return   */  public static boolean isNetworkConnected(Context context) {    ConnectivityManager mConnectivityManager = (ConnectivityManager) context        .getSystemService(Context.CONNECTIVITY_SERVICE);    NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();    return (mNetworkInfo != null && mNetworkInfo.isAvailable());  }  /**   * XlistView停止刷新动作   */  public static void onLoad(XListView listView) {    listView.stopRefresh();    listView.stopLoadMore();  }  /**   * 批量设置是否允许上拉或者下拉 setPullLoadEnable 设置上拉获取更多 setPullRefreshEnable 设置下拉刷新   */  public static void canGetmore(XListView listView, boolean bol) {    listView.setPullLoadEnable(bol);    listView.setPullRefreshEnable(bol);  }  /**   * 缩放图片布局高度为宽度的4分之3   * */  public static void setLayoutWandH(View view, Activity mActivity) {    LayoutParams lp = (LayoutParams) view.getLayoutParams();    Tools.getScreenWidth(mActivity);    lp.width = StaticField.SCREEN_WIDHT;    lp.height = StaticField.SCREEN_WIDHT - (StaticField.SCREEN_WIDHT / 4);    view.setLayoutParams(lp);  }  /**   * 缩放图片布局1比1   *    * */  public static void setLayout1to1(View view, Activity mActivity) {    LayoutParams lp = (LayoutParams) view.getLayoutParams();    Tools.getScreenWidth(mActivity);    lp.width = StaticField.SCREEN_WIDHT;    lp.height = StaticField.SCREEN_WIDHT;    view.setLayoutParams(lp);  }  /**   * 缩放图片布局1比1   *    * */  public static void setFrameLayout1to1(View view, Activity mActivity) {    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) view.getLayoutParams();    Tools.getScreenWidth(mActivity);    lp.width = StaticField.SCREEN_WIDHT;    lp.height = StaticField.SCREEN_WIDHT;    view.setLayoutParams(lp);  }  /**   * 缩放图片布局2比1   *    * */  public static void setFrameLayout2to1(View view, Activity mActivity) {    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) view.getLayoutParams();    Tools.getScreenWidth(mActivity);    lp.width = StaticField.SCREEN_WIDHT;    lp.height = StaticField.SCREEN_WIDHT / 2;    view.setLayoutParams(lp);  }  /**   * 缩放图片布局2比1   *    * */  public static void setFrameLayout2to1Add(View view, Activity mActivity) {    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) view.getLayoutParams();    Tools.getScreenWidth(mActivity);    lp.width = StaticField.SCREEN_WIDHT;    lp.height = (StaticField.SCREEN_WIDHT / 2) + 50;    view.setLayoutParams(lp);  }  /**   * 缩放图片布局2比1   *    * */  public static void setLayout2to1(View view, Activity mActivity) {    LayoutParams lp = (LayoutParams) view.getLayoutParams();    Tools.getScreenWidth(mActivity);    lp.width = StaticField.SCREEN_WIDHT;    lp.height = StaticField.SCREEN_WIDHT / 2;    view.setLayoutParams(lp);  }  /**   * 缩放图片布局2比1   *    * */  public static void setLayout2to1Add(View view, Activity mActivity) {    LayoutParams lp = (LayoutParams) view.getLayoutParams();    Tools.getScreenWidth(mActivity);    lp.width = StaticField.SCREEN_WIDHT;    lp.height = (StaticField.SCREEN_WIDHT / 2) + 50;    view.setLayoutParams(lp);  }  public static void setRelaLayout2to1Add(View view, Activity mActivity) {    RelativeLayout.LayoutParams lp = (RelativeLayout.LayoutParams) view.getLayoutParams();    Tools.getScreenWidth(mActivity);    lp.width = StaticField.SCREEN_WIDHT;    lp.height = (StaticField.SCREEN_WIDHT / 2) + 50;    view.setLayoutParams(lp);  }  /**   * 缩放图片布局3比1   *    * */  public static void setLayout3to1(View view, Activity mActivity) {    LayoutParams lp = (LayoutParams) view.getLayoutParams();    Tools.getScreenWidth(mActivity);    lp.width = StaticField.SCREEN_WIDHT;    lp.height = StaticField.SCREEN_WIDHT - (StaticField.SCREEN_WIDHT / 3);    view.setLayoutParams(lp);  }  public static void canGetmoreX(com.clw.cosmax.ui.XListView listView, boolean bol) {    listView.setPullLoadEnable(bol);    listView.setPullRefreshEnable(bol);  }  public static void onLoadX(com.clw.cosmax.ui.XListView listView) {    listView.stopRefresh();    listView.stopLoadMore();  }  @SuppressWarnings("unused")  public static int doImage(String url) {    BitmapFactory.Options options = new BitmapFactory.Options();    /**     * 最关键在此，把options.inJustDecodeBounds = true;     * 这里再decodeFile()，返回的bitmap为空，但此时调用options.outHeight时，已经包含了图片的高了     */    options.inJustDecodeBounds = true;    Bitmap bitmap = BitmapFactory.decodeFile(url, options); // 此时返回的bitmap为null    Log.i("Test", "Bitmap Height == " + options.outHeight);    return options.outWidth;  }  /**   * 设置方正字体 传入TextView控件   * */  public static void setFontStyle(Context mContext, TextView... tv) {    Typeface typeface = Typeface.createFromAsset(mContext.getAssets(), StaticField.FANGZHENG);    for (int i = 0; i < tv.length; i++) {      tv[i].setTypeface(typeface);    }  }  /**   * 判断输入的是汉字还是数字   *    * @return 1为数字,2为字母,3为汉字   * */  public static int judgeText(String text) {    Pattern p = Pattern.compile("[0-9]*");    Matcher m = p.matcher(text);    if (m.matches()) {      return 1;    }    p = Pattern.compile("[a-zA-Z]");    m = p.matcher(text);    if (m.matches()) {      return 2;    }    p = Pattern.compile("[\u4e00-\u9fa5]");    m = p.matcher(text);    if (m.matches()) {      return 3;    }    return 0;  }  /**   * 把字符串数组转为一个字符串,之间添加","逗号   *    * @return 返回字符串   * */  public static String arrayAsString(String[] array) {    /* 拼接字符 */    List<String> b = new ArrayList<String>();    for (String str : array) {      b.add("" + str + ",");    }    /* 把字符串数组转为一个字符串 */    StringBuffer sbf = new StringBuffer();    for (int i = 0; i < b.size(); i++) {      sbf.append(b.get(i));    }    /* 去掉最后一个逗号, */    String newStr = sbf.toString();    Log.i(TAG, "标签字符串:" + newStr);    String productStr = newStr.substring(0, newStr.length() - 1);    return productStr;  }  /**   * 把list转为一个字符串,之间添加","逗号   *    * @return 返回字符串   * */  public static String listAsString(List<?> array) {    /* 拼接字符 */    List<String> b = new ArrayList<String>();    for (int i = 0; i < array.size(); i++) {      b.add("" + array.get(i).toString() + ",");    }    /* 把字符串数组转为一个字符串 */    StringBuffer sbf = new StringBuffer();    for (int i = 0; i < b.size(); i++) {      sbf.append(b.get(i));    }    /* 去掉最后一个逗号, */    String newStr = sbf.toString();    Log.i(TAG, "标签字符串:" + newStr);    String productStr = newStr.substring(0, newStr.length() - 1);    return productStr;  }  /**   * 把字符串转为数组   *    * @return 返回数组   * */  public static String[] StringAsArray(String text) {    String[] stringArr = text.split(","); // 注意分隔符是需要转译滴...    return stringArr;  }  /**   * 将分为单位的转换为元并返回金额格式的字符串 （除100）   *    * @param amount   * @return   * @throws Exception   */  /** 金额为分的格式 */  public static final String CURRENCY_FEN_REGEX = "\\-?[0-9]+";  public static String changeF2Y(Long amount) throws Exception {    if (!amount.toString().matches(CURRENCY_FEN_REGEX)) {      throw new Exception("金额格式有误");    }    int flag = 0;    String amString = amount.toString();    if (amString.charAt(0) == '-') {      flag = 1;      amString = amString.substring(1);    }    StringBuffer result = new StringBuffer();    if (amString.length() == 1) {      result.append("0.0").append(amString);    } else if (amString.length() == 2) {      result.append("0.").append(amString);    } else {      String intString = amString.substring(0, amString.length() - 2);      for (int i = 1; i <= intString.length(); i++) {        if ((i - 1) % 3 == 0 && i != 1) {          result.append(",");        }        result.append(intString.substring(intString.length() - i, intString.length() - i + 1));      }      result.reverse().append(".").append(amString.substring(amString.length() - 2));    }    if (flag == 1) {      return "-" + result.toString();    } else {      return result.toString();    }  }  /**   * 获取设备型号   *    * @return 返回设备型号   * */  public static String getModel() {    Log.i(TAG, "设备型号:" + android.os.Build.MODEL);    return android.os.Build.MODEL;  }  /**   * 获取设备mac地址   *    * */  public static String getMacAddress(Context mContext) {    WifiManager wifi = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);    WifiInfo info = wifi.getConnectionInfo();    String mac = info.getMacAddress().replace(":", "");    String[] str = polictParameterTwo(mac);    StringBuffer sb = new StringBuffer();    for (int i = 0; i < str.length; i++) {      sb.append(str[i].toUpperCase());    }    Log.i(TAG, "Mac地址:" + sb.toString());    return sb.toString();  }  public static String[] polictParameterTwo(String polictParameter) {    String[] str = new String[polictParameter.length()];    for (int i = 0; i < polictParameter.length(); i++) {      // 取得字符串中的第i个字符赋值给字符串数组      str[i] = polictParameter.substring(i, i + 1);    }    return str;  }  /**   * @category 重新设置listview高度   *    * */  public static void getTotalHeightofListView(ListView listView) {    ListAdapter mAdapter = listView.getAdapter();    if (mAdapter == null) {      return;    }    int totalHeight = 0;    for (int i = 0; i < mAdapter.getCount(); i++) {      View mView = mAdapter.getView(i, null, listView);      mView.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),          MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));      // mView.measure(0, 0);      int height = mView.getMeasuredHeight();      totalHeight += height;      Log.w("HEIGHT" + i, String.valueOf(totalHeight));    }    ViewGroup.LayoutParams params = listView.getLayoutParams();    params.height = totalHeight + (listView.getDividerHeight() * (mAdapter.getCount() - 1));    listView.setLayoutParams(params);    listView.requestLayout();  }  /**   * @category 获取下载链接文件名 1、通过UrlConnection来获取 2、通过截取url地址最后一个"/"来获取   *    *    * */  public static String getFileName(String url) {    String filename = "";    boolean isok = false;    // 从UrlConnection中获取文件名称    // try {    // URL myURL = new URL(url);    //    // URLConnection conn = myURL.openConnection();    // if (conn == null) {    // return null;    // }    // Map<String, List<String>> hf = conn.getHeaderFields();    // if (hf == null) {    // return null;    // }    // Set<String> key = hf.keySet();    // if (key == null) {    // return null;    // }    //    // for (String skey : key) {    // List<String> values = hf.get(skey);    // for (String value : values) {    // String result;    // try {    // result = new String(value.getBytes("ISO-8859-1"), "GBK");    // int location = result.indexOf("filename");    // if (location >= 0) {    // result = result.substring(location + "filename".length());    // filename = result.substring(result.indexOf("=") + 1);    // isok = true;    // }    // } catch (UnsupportedEncodingException e) {    // e.printStackTrace();    // }// ISO-8859-1 UTF-8 gb2312    // }    // if (isok) {    // break;    // }    // }    // } catch (MalformedURLException e) {    // e.printStackTrace();    // } catch (IOException e) {    // e.printStackTrace();    // }    // 2.从路径中获取    if (filename == null || "".equals(filename)) {      filename = url.substring(url.lastIndexOf("/") + 1);    }    return filename;  }  /**   * @category 获取文件名与后缀名   *    * @param 文件地址   *    * */  public static String getSuffix(String url) {    String subString = "";    String suffixes = "docx|pptx|xlsx|pdf|doc";    Pattern pat = Pattern.compile("[\\w]+[\\.](" + suffixes + ")");// 正则判断    Matcher mc = pat.matcher(url);// 条件匹配    while (mc.find()) {      subString = mc.group();// 截取文件名后缀名      Log.e("substring:", subString);    }    return subString;  }  /**   * @category 获取本地保存的文件名   *    * */  public static String getLocalFileName(String fileName) {    // 文件名    String saveFileName = null;    if (!isNull(fileName)) {      saveFileName = Environment.getExternalStorageDirectory().getPath() + "/" + fileName;    }    return saveFileName;  }  /**   * @category 下载文件   *    * @param urlStr   *          :下载链接,saveFileName:保存本地的文件名,mHnadler:处理下载状态   * */  private static boolean isCountinue = true;  public static String downloadFile(String urlStr, String fileName, Handler mHandler) {    // 文件名    String saveFileName = StaticField.SDCARD_FILE + fileName;    Log.i(TAG, "fileName:" + saveFileName);    try {      URL url = new URL(urlStr);      HttpURLConnection conn = (HttpURLConnection) url.openConnection();      conn.connect();      int length = conn.getContentLength();      InputStream is = conn.getInputStream();      File file = new File(saveFileName);      file.createNewFile();      FileOutputStream fos = new FileOutputStream(file);      int count = 0;      byte buf[] = new byte[1024];      do {        int numRead = is.read(buf);        count += numRead;        // progress = (int) (((float) count / length) * 100);        /* 更新进度 */        mHandler.sendEmptyMessage(2);        if (numRead <= 0) {          /* 下载完成通知安装 */          mHandler.sendEmptyMessage(1);          break;        }        fos.write(buf, 0, numRead);      } while (isCountinue);// 点击取消就停止下载.      fos.close();      is.close();    } catch (MalformedURLException e) {      e.printStackTrace();    } catch (FileNotFoundException e) {      e.printStackTrace();    } catch (IOException e) {      e.printStackTrace();    }    return saveFileName;  }  /**   * Get PDF file Intent   */  public static Intent getPdfFileIntent(String path) {    Intent i = new Intent(Intent.ACTION_VIEW);    i.addCategory(Intent.CATEGORY_DEFAULT);    i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);    Uri uri = Uri.fromFile(new File(path));    i.setDataAndType(uri, "application/pdf");    return i;  }  /**   * Get PDF file Intent   */  public static Intent getVideoFileIntent(String path) {    Intent intent = new Intent(Intent.ACTION_VIEW);    String type = "video/*";    Uri uri = Uri.parse(path);    intent.setDataAndType(uri, type);    return intent;  }  /**   * @category 判断文件是否存在   *    * @param filename   *          :文件路径与文件名   * @return false代表不存在,true代表已存在   * */  public static boolean fileIsExists(String fileName) {    try {      File f = new File(StaticField.SDCARD_FILE + fileName);      if (!f.exists()) {        return false;      }    } catch (Exception e) {      // TODO: handle exception      return false;    }    return true;  }  /**   * @category 截取特定某个字符最后位置后的字符串   *    * */  public static String getIndexOfStr(String str) {    int i = str.lastIndexOf(".");    String s = str.substring(i + 1, str.length());    return s;  }  /**   * 重新计算ListView的高度，解决ScrollView和ListView两个View都有滚动的效果，在嵌套使用时起冲突的问题   *    * @param listView   */  public static void setListViewHeight(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.setLayoutParams(params);  }  /**   * @category 获取Sdcard的可用存储空间   *    * @param sd卡地址   * @return   * */  public static long getSdCardBlock(Context con, String path) {    StatFs fs = new StatFs(path);    String i = Formatter.formatFileSize(con, fs.getAvailableBytes());    long space = (fs.getAvailableBytes() / 1024) / 1024;    Log.i(TAG, "可用空间:" + space);    return space;  }      /**   * @category 弹出提示框   *    * */  public static void showHD(Activity mActivity,String text, boolean c) {    final Dialog dialog = new Dialog(mActivity, R.style.MyDialog);    View view = LayoutInflater.from(mActivity).inflate(R.layout.dialog_layout, null);    Button btn_cancle = (Button) view.findViewById(R.id.btn_cancle);    Button btn_confrim = (Button) view.findViewById(R.id.btn_confrim);    TextView tv_hint = (TextView) view.findViewById(R.id.tv_msg);    tv_hint.setText(text);    dialog.setCancelable(false);    dialog.setCanceledOnTouchOutside(false);    dialog.setContentView(view);    dialog.show();    WindowManager windowManager = mActivity.getWindowManager();    Display display = windowManager.getDefaultDisplay();    WindowManager.LayoutParams lp = dialog.getWindow().getAttributes();    lp.width = (int) (display.getWidth());    dialog.getWindow().setAttributes(lp);    Window dialogWindow = dialog.getWindow();    if (c) {      btn_cancle.setVisibility(View.GONE);    } else {      btn_cancle.setVisibility(View.VISIBLE);    }    dialogWindow.setGravity(Gravity.CENTER);    btn_confrim.requestFocus();    btn_cancle.setOnClickListener(new OnClickListener() {      @Override      public void onClick(View arg0) {        dialog.dismiss();      }    });    btn_confrim.setOnClickListener(new OnClickListener() {      @Override      public void onClick(View arg0) {        dialog.dismiss();      }    });  }}
一般开发中用到的方法集成.
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