安卓常用到的几个工具类(不定期更新)

安卓常用到的几个工具类（不定期更新）自己做项目，用到的几个工具类，这里记一下，以后找到方便1.一个double类型数据精准四则运算类Arith.Java[java] view plain copy 在CODE上查看代码片派生到我的代码片import java.math.BigDecimal;public class Arith{//默认除法运算精度private static final int DEF_DIV_SCALE = 10;//这个类不能实例化private Arith(){}/*** 提供精确的加法运算。

* @param v1 被加数* @param v2 加数* @return 两个参数的和*/public static double add(double v1,double v2){BigDecimal b1 = new BigDecimal(Double.toString(v1));BigDecimal b2 = new BigDecimal(Double.toString(v2));return b1.add(b2).doubleValue();}/*** 提供精确的减法运算。

* @param v1 被减数* @param v2 减数* @return 两个参数的差*/public static double sub(double v1,double v2){BigDecimal b1 = new BigDecimal(Double.toString(v1));BigDecimal b2 = new BigDecimal(Double.toString(v2));return b1.subtract(b2).doubleValue();}/*** 提供精确的乘法运算。

* @param v1 被乘数* @param v2 乘数* @return 两个参数的积*/public static double mul(double v1,double v2){BigDecimal b1 = new BigDecimal(Double.toString(v1));BigDecimal b2 = new BigDecimal(Double.toString(v2));return b1.multiply(b2).doubleValue();}/*** 提供（相对）精确的除法运算，当发生除不尽的情况时，精确到* 小数点以后10位，以后的数字四舍五入。

* @param v1 被除数* @param v2 除数* @return 两个参数的商*/public static double div(double v1,double v2){return div(v1,v2,DEF_DIV_SCALE);}/*** 提供（相对）精确的除法运算。

当发生除不尽的情况时，由scale参数指* 定精度，以后的数字四舍五入。

* @param v1 被除数* @param v2 除数* @param scale 表示表示需要精确到小数点以后几位。

* @return 两个参数的商*/public static double div(double v1,double v2,int scale){if(scale<0){throw new IllegalArgumentException("The scale must be a positive integer or zero");}BigDecimal b1 = new BigDecimal(Double.toString(v1));BigDecimal b2 = new BigDecimal(Double.toString(v2));return b1.divide(b2,scale,BigDecimal.ROUND_HALF_UP).doubleV alue(); }/*** 提供精确的小数位四舍五入处理。

* @param v 需要四舍五入的数字* @param scale 小数点后保留几位* @return 四舍五入后的结果*/public static double round(double v,int scale){if(scale<0){throw new IllegalArgumentException("The scale must be a positive integer or zero");}BigDecimal b = new BigDecimal(Double.toString(v));BigDecimal one = new BigDecimal("1");return b.divide(one,scale,BigDecimal.ROUND_HALF_UP).doubleValue();}}2.PrefUtils.java[java] view plain copy 在CODE上查看代码片派生到我的代码片import android.content.Context;import android.content.SharedPreferences;public class PrefUtils {public static boolean getBoolean(Context context,String key,boolean defalt){ SharedPreferencessp=context.getSharedPreferences("config",Context.MODE_PRIV ATE);Boolean b=sp.getBoolean(key, defalt);return b;}public static void setBoolean(Context context,String key,Boolean value) { SharedPreferencessp=context.getSharedPreferences("config",Context.MODE_PRIV ATE);sp.edit().putBoolean(key, value).commit();}public static String getString(Context context,String key,String defalt){ SharedPreferencessp=context.getSharedPreferences("config",Context.MODE_PRIVATE);String s=sp.getString(key, defalt);return s;}public static void SetString(Context context,String key,String value){ SharedPreferencessp=context.getSharedPreferences("config",Context.MODE_PRIV ATE);sp.edit().putString(key, value).commit();}public static int getInt(Context context,String key,int defalt){SharedPreferencessp=context.getSharedPreferences("config",Context.MODE_PRIV ATE);int l=sp.getInt(key, defalt);return l;}public static void SetInt(Context context,String key,int value){SharedPreferencessp=context.getSharedPreferences("config",Context.MODE_PRIV A TE);sp.edit().putInt(key, value).commit();}public static long getLong(Context context,String key,long defalt){SharedPreferencessp=context.getSharedPreferences("config",Context.MODE_PRIV A TE);long l=sp.getLong(key, defalt);return l;}public static void SetLong(Context context,String key,long value){SharedPreferencessp=context.getSharedPreferences("config",Context.MODE_PRIV A TE);sp.edit().putLong(key, value).commit();}}3.log日志打印L.java[java] view plain copy 在CODE上查看代码片派生到我的代码片public class L{private L(){/* cannot be instantiated */throw new UnsupportedOperationException("cannot be instantiated");}public static boolean isDebug = true;// 是否需要打印bug，可以在application的onCreate 函数里面初始化private static final String TAG = "way";// 下面四个是默认tag的函数public static void i(String msg){if (isDebug)Log.i(TAG, msg);}public static void d(String msg){if (isDebug)Log.d(TAG, msg);}public static void e(String msg){if (isDebug)Log.e(TAG, msg);}public static void v(String msg){if (isDebug)Log.v(TAG, msg);}// 下面是传入自定义tag的函数public static void i(String tag, String msg) {if (isDebug)Log.i(tag, msg);}public static void d(String tag, String msg) {if (isDebug)Log.i(tag, msg);}public static void e(String tag, String msg) {if (isDebug)Log.i(tag, msg);}public static void v(String tag, String msg) {if (isDebug)Log.i(tag, msg);}}4.单位转换的工具类DensityUtils[java] view plain copy 在CODE上查看代码片派生到我的代码片public class DensityUtils{private DensityUtils(){/* cannot be instantiated */throw new UnsupportedOperationException("cannot be instantiated");}/*** dp转px** @param context* @param val* @return*/public static int dp2px(Context context, float dpV al){return (int) TypedValue.applyDimension(PLEX_UNIT_DIP, dpVal, context.getResources().getDisplayMetrics());}/*** sp转px** @param context* @param val* @return*/public static int sp2px(Context context, float spVal){return (int) TypedValue.applyDimension(PLEX_UNIT_SP, spVal, context.getResources().getDisplayMetrics());}/*** px转dp** @param context* @param pxVal* @return*/public static float px2dp(Context context, float pxVal){final float scale = context.getResources().getDisplayMetrics().density;return (pxVal / scale);}/*** px转sp** @param fontScale* @param pxVal* @return*/public static float px2sp(Context context, float pxVal){return (pxVal / context.getResources().getDisplayMetrics().scaledDensity);}}5.屏幕读取类ScreenUtils[java] view plain copy 在CODE上查看代码片派生到我的代码片public class ScreenUtils{private ScreenUtils(){/* cannot be instantiated */throw new UnsupportedOperationException("cannot be instantiated");}/*** 获得屏幕高度** @param context* @return*/public static int getScreenWidth(Context context){WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);DisplayMetrics outMetrics = new DisplayMetrics();wm.getDefaultDisplay().getMetrics(outMetrics);return outMetrics.widthPixels;}/*** 获得屏幕宽度** @param context* @return*/public static int getScreenHeight(Context context){WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);DisplayMetrics outMetrics = new DisplayMetrics();wm.getDefaultDisplay().getMetrics(outMetrics);return outMetrics.heightPixels;}/*** 获得状态栏的高度** @param context* @return*/public static int getStatusHeight(Context context){int statusHeight = -1;try{Class<?> clazz = Class.forName("com.android.internal.R$dimen");Object object = clazz.newInstance();int height = Integer.parseInt(clazz.getField("status_bar_height").get(object).toString());statusHeight = context.getResources().getDimensionPixelSize(height);} catch (Exception e){e.printStackTrace();}return statusHeight;}/*** 获取当前屏幕截图，包含状态栏** @param activity* @return*/public static Bitmap snapShotWithStatusBar(Activity activity){View view = activity.getWindow().getDecorView();view.setDrawingCacheEnabled(true);view.buildDrawingCache();Bitmap bmp = view.getDrawingCache();int width = getScreenWidth(activity);int height = getScreenHeight(activity);Bitmap bp = null;bp = Bitmap.createBitmap(bmp, 0, 0, width, height);view.destroyDrawingCache();return bp;}/*** 获取当前屏幕截图，不包含状态栏** @param activity* @return*/public static Bitmap snapShotWithoutStatusBar(Activity activity){View view = activity.getWindow().getDecorView();view.setDrawingCacheEnabled(true);view.buildDrawingCache();Bitmap bmp = view.getDrawingCache();Rect frame = new Rect();activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);int statusBarHeight = frame.top;int width = getScreenWidth(activity);int height = getScreenHeight(activity);Bitmap bp = null;bp = Bitmap.createBitmap(bmp, 0, statusBarHeight, width, height- statusBarHeight);view.destroyDrawingCache();return bp;}}6.文件操作类FileUtil.java[java] view plain copy 在CODE上查看代码片派生到我的代码片public class FileUtil {private static FileUtil util;public static FileUtil init() { // 单例，个人习惯用Init,标准是getInstance if (util == null)util = new FileUtil();return util;}private FileUtil() {}private Context context = null;public void setContext(Context c){this.context = c;}public Context getContext(){return context;}/**** @param path传入路径字符串* @return File*/public File creatFileIfNotExist(String path) {System.out.println("cr");File file = new File(path);if (!file.exists()) {try {new File(path.substring(0, stIndexOf(File.separator))).mkdirs();file.createNewFile();} catch (IOException e) {e.printStackTrace();}}return file;}/**** @param path传入路径字符串* @return File*/public File creatDirIfNotExist(String path) {File file = new File(path);if (!file.exists()) {try {file.mkdirs();} catch (Exception e) {e.printStackTrace();}}return file;}/**** @param path* @return*/public boolean IsExist(String path) {File file = new File(path);if (!file.exists())return false;elsereturn true;}/*** 创建新的文件，如果有旧文件，先删除再创建** @param path* @return*/public File creatNewFile(String path) {File file = new File(path);if (IsExist(path))file.delete();creatFileIfNotExist(path);return file;}/*** 删除文件** @param path* @return*/public boolean deleteFile(String path) {File file = new File(path);if (IsExist(path))file.delete();return true;}// 删除一个目录public boolean deleteFileDir(String path) {boolean flag = false;File file = new File(path);if (!IsExist(path)) {return flag;}if (!file.isDirectory()) {file.delete();return true;}String[] filelist = file.list();File temp = null;for (int i = 0; i < filelist.length; i++) {if (path.endsWith(File.separator)) {temp = new File(path + filelist[i]);} else {temp = new File(path + File.separator + filelist[i]);}if (temp.isFile()) {temp.delete();}if (temp.isDirectory()) {deleteFileDir(path + "/" + filelist[i]);// 先删除文件夹里面的文件}}file.delete();flag = true;return flag;}// 删除文件夹// param folderPath 文件夹完整绝对路径public void delFolder(String folderPath) {try {delAllFile(folderPath); // 删除完里面所有内容String filePath = folderPath;filePath = filePath.toString();java.io.File myFilePath = new java.io.File(filePath);myFilePath.delete(); // 删除空文件夹} catch (Exception e) {e.printStackTrace();}}// 删除指定文件夹下所有文件// param path 文件夹完整绝对路径public boolean delAllFile(String path) {boolean flag = false;File file = new File(path);if (!file.exists()) {return flag;}if (!file.isDirectory()) {return flag;}String[] tempList = file.list();File temp = null;for (int i = 0; i < tempList.length; i++) {if (path.endsWith(File.separator)) {temp = new File(path + tempList[i]);} else {temp = new File(path + File.separator + tempList[i]);}if (temp.isFile()) {temp.delete();}if (temp.isDirectory()) {delAllFile(path + "/" + tempList[i]);// 先删除文件夹里面的文件delFolder(path + "/" + tempList[i]);// 再删除空文件夹flag = true;}}return flag;}public String[] getFlieName(String rootpath) {File root = new File(rootpath);File[] filesOrDirs = root.listFiles();if (filesOrDirs != null) {String[] dir = new String[filesOrDirs.length];int num = 0;for (int i = 0; i < filesOrDirs.length; i++) {if (filesOrDirs[i].isDirectory()) {dir[i] = filesOrDirs[i].getName();num++;}}String[] dir_r = new String[num];num = 0;for (int i = 0; i < dir.length; i++) {if (dir[i] != null && !dir[i].equals("")) {dir_r[num] = dir[i];num++;}}return dir_r;} elsereturn null;}/*** //获得流** @param path* @return* @throws FileNotFoundException* @throws UnsupportedEncodingException*/public BufferedWriter getWriter(String path) throws FileNotFoundException, UnsupportedEncodingException {FileOutputStream fileout = null;fileout = new FileOutputStream(new File(path));OutputStreamWriter writer = null;writer = new OutputStreamWriter(fileout, "UTF-8");BufferedWriter w = new BufferedWriter(writer); // 缓冲区return w;}public InputStream getInputStream(String path) throws FileNotFoundException { // if(Comments.DEBUG) System.out.println("path:"+path);FileInputStream filein = null;// if(Comments.DEBUG) System.out.println("2");// File file = creatFileIfNotExist(path);File file = new File(path);filein = new FileInputStream(file);BufferedInputStream in = null;if (filein != null)in = new BufferedInputStream(filein);return in;}public boolean StateXmlControl(String path) {File f = new File(path);if (!f.exists())return false;if (f.length() == 0)return false;return true;}/*** 将InputStream转换成byte数组** @param in* InputStream* @return byte[]* @throws IOException*/public static byte[] InputStreamTOByte(InputStream in) throws IOException { ByteArrayOutputStream outStream = new ByteArrayOutputStream();byte[] data = new byte[6 * 1024];int count = -1;while ((count = in.read(data, 0, 4 * 1024)) != -1)outStream.write(data, 0, count);data = null;return outStream.toByteArray();}/*** 将OutputStream转换成byte数组** @param in* OutputStream* @return byte[]* @throws IOException*/public static byte[] OutputStreamTOByte(OutputStream out)throws IOException {byte[] data = new byte[6 * 1024];out.write(data);return data;}/*** 将byte数组转换成InputStream** @param in* @return* @throws Exception*/public static InputStream byteTOInputStream(byte[] in) {ByteArrayInputStream is = new ByteArrayInputStream(in);return is;}/*** 将byte数组转换成OutputStream** @param in* @return* @throws IOException* @throws Exception*/public static OutputStream byteTOOutputStream(byte[] in) throws IOException { ByteArrayOutputStream out = new ByteArrayOutputStream();out.write(in);return out;}/*** 把输入流中的数据输入到Path里的文件里** @param path* @param fileName* @param inputStream* @return*/public File writeFromInputToSD(String path, InputStream inputStream) { File file = null;OutputStream output = null;try {file = creatFileIfNotExist(path);output = new FileOutputStream(file);byte[] buffer = new byte[4 * 1024];int mp;while ((temp = inputStream.read(buffer)) != -1) {output.write(buffer, 0, temp);}output.flush();} catch (Exception e) {e.printStackTrace();} finally {try {output.close();} catch (Exception e) {e.printStackTrace();}}return file;}/*** 把数据输入到Path里的文件里** @param path* @param fileName* @param inputStream* @return*/public File writeFromInputToSD(String path, byte[] b) {File file = null;OutputStream output = null;try {file = creatFileIfNotExist(path);output = new FileOutputStream(file);output.write(b);output.flush();} catch (Exception e) {e.printStackTrace();} finally {try {output.close();} catch (Exception e) {e.printStackTrace();}}return file;}/*** 方法：把一段文本保存到给定的路径中.*/public void saveTxtFile(String filePath, String text) {try {// 首先构建一个文件输出流,用于向文件中写入数据.creatFileIfNotExist(filePath);String txt = readTextLine(filePath);text = text + txt;FileOutputStream out = new FileOutputStream(filePath);// 构建一个写入器,用于向流中写入字符数据OutputStreamWriter writer = new OutputStreamWriter(out, "gb2312");writer.write(text);// 关闭Writer,关闭输出流writer.close();out.close();} catch (Exception e) {String ext = e.getLocalizedMessage();// Toast.makeText(this, ext, Toast.LENGTH_LONG).show();}}public void clearTxtFile(String filePath) {try {// 首先构建一个文件输出流,用于向文件中写入数据.String text = "";FileOutputStream out = new FileOutputStream(filePath);// 构建一个写入器,用于向流中写入字符数据OutputStreamWriter writer = new OutputStreamWriter(out, "gb2312");writer.write(text);// 关闭Writer,关闭输出流writer.close();out.close();} catch (Exception e) {String ext = e.getLocalizedMessage();// Toast.makeText(this, ext, Toast.LENGTH_LONG).show();}}// 读取一个给定的文本文件内容,并把内容以一个字符串的形式返回public String readTextLine(String textFile) {try {// 首先构建一个文件输入流,该流用于从文本文件中读取数据FileInputStream input = new FileInputStream(textFile);// 为了能够从流中读取文本数据,我们首先要构建一个特定的Reader的实例,// 因为我们是从一个输入流中读取数据,所以这里适合使用InputStreamReader.InputStreamReader streamReader = new InputStreamReader(input,"gb2312");// 为了能够实现一次读取一行文本的功能,我们使用了LineNumberReader类,// 要构建LineNumberReader的实例,必须要传一个Reader实例做参数,// 我们传入前面已经构建好的Reder.LineNumberReader reader = new LineNumberReader(streamReader);// 字符串line用来保存每次读取到的一行文本.String line = null;// 这里我们使用一个StringBuilder来存储读取到的每一行文本,// 之所以不用String,是因为它每次修改都会产生一个新的实例,// 所以浪费空间,效率低.StringBuilder allLine = new StringBuilder();// 每次读取到一行,直到读取完成while ((line = reader.readLine()) != null) {allLine.append(line);// 这里每一行后面,加上一个换行符,LINUX中换行是”\n”,// windows中换行是”\r\n”.allLine.append("\n");}// 把Reader和Stream关闭streamReader.close();reader.close();input.close();// 把读取的字符串返回return allLine.toString();} catch (Exception e) {// Toast.makeText(this, e.getLocalizedMessage(),// Toast.LENGTH_LONG).show();return "";}}// 转换dip为pxpublic int convertDipOrPx(Context context, int dip) {float scale = context.getResources().getDisplayMetrics().density;return (int) (dip * scale + 0.5f * (dip >= 0 ? 1 : -1));}// 转换px为dippublic int convertPxOrDip(Context context, int px) {float scale = context.getResources().getDisplayMetrics().density;return (int) (px / scale + 0.5f * (px >= 0 ? 1 : -1));}/*** 将px值转换为sp值，保证文字大小不变** @param pxValue* @param fontScale* （DisplayMetrics类中属性scaledDensity）* @return*/public int px2sp(Context context, float pxValue) {float fontScale = context.getResources().getDisplayMetrics().scaledDensity;return (int) (pxV alue / fontScale + 0.5f);}/*** 将sp值转换为px值，保证文字大小不变** @param spValue* @param fontScale* （DisplayMetrics类中属性scaledDensity）* @return*/public int sp2px(Context context, float spValue) {float fontScale = context.getResources().getDisplayMetrics().scaledDensity;return (int) (spValue * fontScale + 0.5f);}// 把字加长，使其可以滚动，在音乐界面public String dealString(String st, int size) {int value = size;if (st.length() >= value)return " " + st + " ";else {int t = (value - st.length()) / 2;for (int i = 0; i < t; i++) {st = " " + st + " ";}return st;}}public String getTimeByFormat(String format) {SimpleDateFormat formatter = new SimpleDateFormat(format);Date curDate = new Date(System.currentTimeMillis());// 获取当前时间String str = formatter.format(curDate);return str;}public String getDateTimeBylong(long time_data, String dateformat_batt) { java.util.Date date = new java.util.Date(time_data);SimpleDateFormat format = new SimpleDateFormat(dateformat_batt);return format.format(date);}// 取前面的名字"."public String getNameByFlag(String source, String flag) {// String[] source_spli = source.split(flag);String s = source.toLowerCase().replace(flag, "");return s.trim();}/*** 取Asset文件夹下文件* @param paramContext* @param paramString* @return* @throws IOException*/public InputStream getAssetsInputStream(Context paramContext,String paramString) ws IOException { return paramContext.getResources().getAssets().open(paramString);}//以省内存的方式读取图片public Bitmap getBitmap(InputStream is){BitmapFactory.Options opt = new BitmapFactory.Options();opt.inPreferredConfig = Bitmap.Config.RGB_565;opt.inPurgeable = true;opt.inInputShareable = true;opt.inSampleSize = 4;//获取资源图片//InputStream is = mContext.getResources().openRawResource(resId);return BitmapFactory.decodeStream(is,null,opt);}}7.软键盘操作KeyBoardUtils.java[java] view plain copy 在CODE上查看代码片派生到我的代码片public class KeyBoardUtils{/*** 打卡软键盘** @param mEditText* 输入框* @param mContext* 上下文*/public static void openKeybord(EditText mEditText, Context mContext){InputMethodManager imm = (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);imm.showSoftInput(mEditText, InputMethodManager.RESULT_SHOWN);imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,InputMethodManager.HIDE_IMPLICIT_ONL Y);}/*** 关闭软键盘** @param mEditText* 输入框* @param mContext* 上下文*/public static void closeKeybord(EditText mEditText, Context mContext) {InputMethodManager imm = (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);imm.hideSoftInputFromWindow(mEditText.getWindowToken(), 0);}}8.网络连接类NetUtils.java[java] view plain copy 在CODE上查看代码片派生到我的代码片public class NetUtils{private NetUtils(){/* cannot be instantiated */throw new UnsupportedOperationException("cannot be instantiated");}/*** 判断网络是否连接** @param context* @return*/public static boolean isConnected(Context context){ConnectivityManager connectivity = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);if (null != connectivity){NetworkInfo info = connectivity.getActiveNetworkInfo();if (null != info && info.isConnected()){if (info.getState() == NetworkInfo.State.CONNECTED){return true;}}}return false;}/*** 判断是否是wifi连接*/public static boolean isWifi(Context context){ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);if (cm == null)return false;return cm.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI;}/*** 打开网络设置界面*/public static void openSetting(Activity activity){Intent intent = new Intent("/");ComponentName cm = new ComponentName("com.android.settings","com.android.settings.WirelessSettings");intent.setComponent(cm);intent.setAction("android.intent.action.VIEW");activity.startActivityForResult(intent, 0);}}9.检测某程序是否安装[java] view plain copy 在CODE上查看代码片派生到我的代码片public static boolean isInstalledApp(Context context, String packageName){Boolean flag = false;try{PackageManager pm = context.getPackageManager();List<geInfo>pkgs=pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES);for (PackageInfo pkg : pkgs){// 当找到了名字和该包名相同的时候，返回if ((pkg.packageName).equals(packageName)){return flag = true;}}}catch (Exception e){// TODO Auto-generated catch blocke.printStackTrace();}return flag;}10.安装apk文件[java] view plain copy 在CODE上查看代码片派生到我的代码片/*** 安装.apk文件** @param context*/public void install(Context context, String fileName){if (TextUtils.isEmpty(fileName) || context == null){return;}try{Intent intent = new Intent(Intent.ACTION_VIEW);intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);intent.setAction(android.content.Intent.ACTION_VIEW);intent.setDataAndType(Uri.fromFile(new File(fileName)), "application/vnd.android.package-archive");context.startActivity(intent);}catch (Exception e){e.printStackTrace();}}/*** 安装.apk文件** @param context*/public void install(Context context, File file){try{Intent intent = new Intent(Intent.ACTION_VIEW);intent.setDataAndType(Uri.fromFile(file),"application/vnd.android.package-archive");context.startActivity(intent);}catch (Exception e){e.printStackTrace();}}11.string.xml中%s的用法[java] view plain copy 在CODE上查看代码片派生到我的代码片在strings.xml中添加字符串string name="text">Hello,%s!</string>代码中使用textView.setText(String.format(getResources().getString(R.string.text),"Android"));输出结果：Hello,Android！12.根据mac地址+deviceid获取设备唯一编码[java] view plain copy 在CODE上查看代码片派生到我的代码片private static String DEVICEKEY = "";/*** 根据mac地址+deviceid* 获取设备唯一编码* @return*/public static String getDeviceKey(){if ("".equals(DEVICEKEY)){String macAddress = "";WifiManager wifiMgr = (WifiManager)MainApplication.getIns().getSystemService(MainApplication.WIFI_SERVICE);WifiInfo info = (null == wifiMgr ? null : wifiMgr.getConnectionInfo());if (null != info){macAddress = info.getMacAddress();}TelephonyManager telephonyManager =(TelephonyManager)MainApplication.getIns().getSystemService(MainApplication.TELEPHONY _SERVICE);String deviceId = telephonyManager.getDeviceId();DEVICEKEY=MD5Util.toMD5("android"+Constant.APPKEY+Constant.APPPWD + macAddress + deviceId);}return DEVICEKEY;}13.获取手机及SIM卡相关信息[java] view plain copy 在CODE上查看代码片派生到我的代码片/*** 获取手机及SIM卡相关信息* @param context* @return*/public static Map<String, String> getPhoneInfo(Context context) {Map<String, String> map = new HashMap<String, String>();TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);String imei = tm.getDeviceId();String imsi = tm.getSubscriberId();String phoneMode = android.os.Build.MODEL;String phoneSDk = android.os.Build.VERSION.RELEASE;map.put("imei", imei);map.put("imsi", imsi);map.put("phoneMode", phoneMode+"##"+phoneSDk);map.put("model", phoneMode);。