Android开发过程中，我们需要的很多代码都是重复多次使用的，写成工具类是一个比较好的做法，下面是我常用的几个工具类，也希望对你有所帮助。分别是：日期格式化工具、转换图片颜色工具、app启动引导页控制工具、Intent 工具、手机信息采集工具、存储和访问SharedPreferences工具、正则表达式工具、SD卡片工具、Toast信息工具、app版本工具、错误信息反馈工具、类型转换工具。

大家可到github上下载代码AndroidUtils。

日期格式化工具

package cn.studyou.baselibrary.utils;

import java.text.DecimalFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 基本功能：日期格式化工具
 * 创建：王杰
 * 创建时间：13/3/14
 * 邮箱：w489657152@gmail.com
 */
public class DateFormatUtil {
    private static SimpleDateFormat second = new SimpleDateFormat(
            "yy-MM-dd hh:mm:ss");

    private static SimpleDateFormat day = new SimpleDateFormat("yyyy-MM-dd");
    private static SimpleDateFormat detailDay = new SimpleDateFormat("yyyy年MM月dd日");
    private static SimpleDateFormat fileName = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
    private static SimpleDateFormat tempTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    private static SimpleDateFormat excelDate = new SimpleDateFormat("yyyy/MM/dd");

    /**
     * 格式化excel中的时间
     * @param date
     * @return
     */
    public static String formatDateForExcelDate(Date date) {
        return excelDate.format(date);
    }

    /**
     * 将日期格式化作为文件名
     * @param date
     * @return
     */
    public static String formatDateForFileName(Date date) {
        return fileName.format(date);
    }

    /**
     * 格式化日期(精确到秒)
     *
     * @param date
     * @return
     */
    public static String formatDateSecond(Date date) {
        return second.format(date);
    }

    /**
     * 格式化日期(精确到秒)
     *
     * @param date
     * @return
     */
    public static String tempDateSecond(Date date) {
        return tempTime.format(date);
    }

    public static Date tempDateSecond(String str) {
        try {
            return tempTime.parse(str);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return new Date();
    }
    /**
     * 格式化日期(精确到天)
     *
     * @param date
     * @return
     */
    public static String formatDateDay(Date date) {
        return day.format(date);
    }

    /**
     * 格式化日期(精确到天)
     *
     * @param date
     * @return
     */
    public static String formatDateDetailDay(Date date) {
        return detailDay.format(date);
    }

    /**
     * 将double类型的数字保留两位小数（四舍五入）
     *
     * @param number
     * @return
     */
    public static String formatNumber(double number) {
        DecimalFormat df = new DecimalFormat();
        df.applyPattern("#0.00");
        return df.format(number);
    }

    /**
     * 将字符串转换成日期
     *
     * @param date
     * @return
     * @throws Exception
     */
    public static Date formateDate(String date) throws Exception {
        return day.parse(date);
    }

    /**
     * 将字符日期转换成Date
     * @param date
     * @return
     * @throws Exception
     */
    public static Date parseStringToDate(String date) throws Exception {
        return day.parse(date);
    }

    public static String formatDoubleNumber(double number) {
        DecimalFormat df = new DecimalFormat("#");
        return df.format(number);
    }
}

转换图片颜色工具

package cn.studyou.baselibrary.utils;

import android.app.Activity;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;

/**
 * 基本功能：转换图片颜色工具
 * 创建：王杰
 * 创建时间：15/1/23
 * 邮箱：w489657152@gmail.com
 */
public class ConvertImageColor {
    Activity activity;

    public ConvertImageColor(Activity activity) {
        this.activity = activity;
    }

    // 改变图标的颜色
    public  Drawable changeImageColor(int drawable,int color){
        Drawable myIcon = activity.getResources().getDrawable(drawable);
        myIcon.setColorFilter(activity.getResources().getColor(color), PorterDuff.Mode.SRC_ATOP);
        return  myIcon;
    }
}

app启动引导页控制工具

package cn.studyou.baselibrary.utils;

import android.content.Context;
import android.text.TextUtils;

/**
 * 基本功能：app启动引导页控制
 * 创建：王杰
 * 创建时间：16/3/7
 * 邮箱：w489657152@gmail.com
 */
public class AppIntroUtil {
    public static final int LMODE_NEW_INSTALL = 1; //再次启动
    public static final int LMODE_UPDATE = 2;//更新后第一次启动
    public static final int LMODE_AGAIN = 3;//首次安装启动
    public static final String SHARENAME= "lastVersion";
    private boolean isOpenMarked = false;
    private int launchMode = LMODE_AGAIN; //启动-模式
    private static AppIntroUtil instance;
    public static AppIntroUtil getThis() {
        if (instance == null)
            instance = new AppIntroUtil();
        return instance;
    }

    /**
     * 标记-打开app,用于产生-是否首次打开
     * @param context
     */
    public void markOpenApp(Context context) {
        // 防止-重复调用
        if (isOpenMarked)
            return;
        isOpenMarked = true;
        String lastVersion = OperatingSharedPreferences.getString(context,SHARENAME,SHARENAME);
        String thisVersion = VersionUtil.getVersion(context);
        // 首次启动
        if (TextUtils.isEmpty(lastVersion)) {
            launchMode = LMODE_NEW_INSTALL;
            OperatingSharedPreferences.setString(context,SHARENAME,SHARENAME,thisVersion);
        }
        // 更新
        else if (VersionUtil.compareVersion(lastVersion,thisVersion)) {
            launchMode = LMODE_UPDATE;
            OperatingSharedPreferences.setString(context, SHARENAME, SHARENAME, thisVersion);
        }
        // 二次启动(版本未变)
        else
            launchMode = LMODE_AGAIN;
    }
    public int getLaunchMode() {
        return launchMode;
    }
    /**
     * 首次打开,新安装、覆盖(版本号不同)
     * @return
     */
    public boolean isFirstOpen() {
        return launchMode != LMODE_AGAIN;
    }
}

Intent 工具

package cn.studyou.baselibrary.utils;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

/**
 * 基本功能：Intent工具
 * 创建：王杰
 * 创建时间：16/3/7
 * 邮箱：w489657152@gmail.com
 */
public class IntentUtil {
    private static final String TAG = IntentUtil.class.getSimpleName();

    public static Intent getLauncherIntent() {
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.addCategory(Intent.CATEGORY_HOME);
        return intent;
    }
    public static void logIntent(String tag, Intent intent) {
        if (intent == null) {
            return;
        }
        StringBuffer sb = new StringBuffer();
        sb.append("\nAction:" + intent.getAction());
        sb.append("\nData:" + intent.getData());
        sb.append("\nDataStr:" + intent.getDataString());
        sb.append("\nScheme:" + intent.getScheme());
        sb.append("\nType:" + intent.getType());
        Bundle extras = intent.getExtras();
        if (extras != null && !extras.isEmpty()) {
            for (String key : extras.keySet()) {
                Object value = extras.get(key);
                sb.append("\nEXTRA: {" + key + "::" + value + "}");
            }
        } else {
            sb.append("\nNO EXTRAS");
        }
        Log.i(tag, sb.toString());
    }

    public static int sdkVersion() {
        return new Integer(Build.VERSION.SDK).intValue();
    }

    public static void startDialer(Context context, String phoneNumber) {
        try {
            Intent dial = new Intent();
            dial.setAction(Intent.ACTION_DIAL);
            dial.setData(Uri.parse("tel:" + phoneNumber));
            context.startActivity(dial);
        } catch (Exception ex) {
            Log.e(TAG, "Error starting phone dialer intent.", ex);
            Toast.makeText(context,
                    "Sorry, we couldn't find any app to place a phone call!",
                    Toast.LENGTH_SHORT).show();
        }
    }

    public static void startSmsIntent(Context context, String phoneNumber) {
        try {
            Uri uri = Uri.parse("sms:" + phoneNumber);
            Intent intent = new Intent(Intent.ACTION_VIEW, uri);
            intent.putExtra("address", phoneNumber);
            intent.setType("vnd.android-dir/mms-sms");
            context.startActivity(intent);
        } catch (Exception ex) {
            Log.e(TAG, "Error starting sms intent.", ex);
            Toast.makeText(context,
                    "Sorry, we couldn't find any app to send an SMS!",
                    Toast.LENGTH_SHORT).show();
        }
    }

    public static void startEmailIntent(Context context, String emailAddress) {
        try {
            Intent intent = new Intent(Intent.ACTION_SEND);
            intent.setType("plain/text");
            intent.putExtra(Intent.EXTRA_EMAIL,
                    new String[]{emailAddress});
            context.startActivity(intent);
        } catch (Exception ex) {
            Log.e(TAG, "Error starting email intent.", ex);
            Toast.makeText(context,
                    "Sorry, we couldn't find any app for sending emails!",
                    Toast.LENGTH_SHORT).show();
        }
    }

    public static void startWebIntent(Context context, String url) {
        try {
            Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
            context.startActivity(intent);
        } catch (Exception ex) {
            Log.e(TAG, "Error starting url intent.", ex);
            Toast.makeText(context,
                    "Sorry, we couldn't find any app for viewing this url!",
                    Toast.LENGTH_SHORT).show();
        }
    }
}

手机信息采集工具

package cn.studyou.filedwork.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.SystemClock;
import android.telephony.TelephonyManager;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 基本功能：手机信息采集工具
 * 创建：王杰
 * 创建时间：14/1/1
 * 邮箱：w489657152@gmail.com
 */
public class MobileUtil {

    /**
     * Print telephone info.
     */
    public static String printMobileInfo(Context context) {
        Date date = new Date(System.currentTimeMillis());
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String time = dateFormat.format(date);
        StringBuilder sb = new StringBuilder();
        sb.append("系统时间：").append(time).append("\n");
        TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        String IMSI = tm.getSubscriberId();
        //IMSI前面三位460是国家号码，其次的两位是运营商代号，00、02是中国移动，01是联通，03是电信。
        String providerName = null;
        if (IMSI != null) {
            if (IMSI.startsWith("46000") || IMSI.startsWith("46002")) {
                providerName = "中国移动";
            } else if (IMSI.startsWith("46001")) {
                providerName = "中国联通";
            } else if (IMSI.startsWith("46003")) {
                providerName = "中国电信";
            }
        }
        sb.append(providerName).append("\n").append(getNativePhoneNumber(context)).append("\n网络模式：").append(getNetType(context)).append("\nIMSI是：").append(IMSI);
        sb.append("\nDeviceID(IMEI)       :").append(tm.getDeviceId());
        sb.append("\nDeviceSoftwareVersion:").append(tm.getDeviceSoftwareVersion());
        sb.append("\ngetLine1Number       :").append(tm.getLine1Number());
        sb.append("\nNetworkCountryIso    :").append(tm.getNetworkCountryIso());
        sb.append("\nNetworkOperator      :").append(tm.getNetworkOperator());
        sb.append("\nNetworkOperatorName  :").append(tm.getNetworkOperatorName());
        sb.append("\nNetworkType          :").append(tm.getNetworkType());
        sb.append("\nPhoneType            :").append(tm.getPhoneType());
        sb.append("\nSimCountryIso        :").append(tm.getSimCountryIso());
        sb.append("\nSimOperator          :").append(tm.getSimOperator());
        sb.append("\nSimOperatorName      :").append(tm.getSimOperatorName());
        sb.append("\nSimSerialNumber      :").append(tm.getSimSerialNumber());
        sb.append("\ngetSimState          :").append(tm.getSimState());
        sb.append("\nSubscriberId         :").append(tm.getSubscriberId());
        sb.append("\nVoiceMailNumber      :").append(tm.getVoiceMailNumber());

        return sb.toString();
    }


    /**
     * 打印系统信息
     * @return
     */
    public static String printSystemInfo() {
        Date date = new Date(System.currentTimeMillis());
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String time = dateFormat.format(date);
        StringBuilder sb = new StringBuilder();
        sb.append("_______  系统信息  ").append(time).append(" ______________");
        sb.append("\nID                 :").append(Build.ID);
        sb.append("\nBRAND              :").append(Build.BRAND);
        sb.append("\nMODEL              :").append(Build.MODEL);
        sb.append("\nRELEASE            :").append(Build.VERSION.RELEASE);
        sb.append("\nSDK                :").append(Build.VERSION.SDK);

        sb.append("\n_______ OTHER _______");
        sb.append("\nBOARD              :").append(Build.BOARD);
        sb.append("\nPRODUCT            :").append(Build.PRODUCT);
        sb.append("\nDEVICE             :").append(Build.DEVICE);
        sb.append("\nFINGERPRINT        :").append(Build.FINGERPRINT);
        sb.append("\nHOST               :").append(Build.HOST);
        sb.append("\nTAGS               :").append(Build.TAGS);
        sb.append("\nTYPE               :").append(Build.TYPE);
        sb.append("\nTIME               :").append(Build.TIME);
        sb.append("\nINCREMENTAL        :").append(Build.VERSION.INCREMENTAL);

        sb.append("\n_______ CUPCAKE-3 _______");
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.CUPCAKE) {
            sb.append("\nDISPLAY            :").append(Build.DISPLAY);
        }

        sb.append("\n_______ DONUT-4 _______");
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.DONUT) {
            sb.append("\nSDK_INT            :").append(Build.VERSION.SDK_INT);
            sb.append("\nMANUFACTURER       :").append(Build.MANUFACTURER);
            sb.append("\nBOOTLOADER         :").append(Build.BOOTLOADER);
            sb.append("\nCPU_ABI            :").append(Build.CPU_ABI);
            sb.append("\nCPU_ABI2           :").append(Build.CPU_ABI2);
            sb.append("\nHARDWARE           :").append(Build.HARDWARE);
            sb.append("\nUNKNOWN            :").append(Build.UNKNOWN);
            sb.append("\nCODENAME           :").append(Build.VERSION.CODENAME);
        }

        sb.append("\n_______ GINGERBREAD-9 _______");
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
            sb.append("\nSERIAL             :").append(Build.SERIAL);
        }
        return sb.toString();
    }

    /****
     * 获取网络类型
     *
     * @param context
     * @return
     */
    public static String getNetType(Context context) {
        try {
            ConnectivityManager connectMgr = (ConnectivityManager) context
                    .getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo info = connectMgr.getActiveNetworkInfo();
            if (info == null) {
                return "";
            }
            if (info.getType() == ConnectivityManager.TYPE_WIFI) {
                return "WIFI";
            } else if (info.getType() == ConnectivityManager.TYPE_MOBILE) {
                if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_CDMA) {
                    return "CDMA";
                } else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_EDGE) {
                    return "EDGE";
                } else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_EVDO_0) {
                    return "EVDO0";
                } else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_EVDO_A) {
                    return "EVDOA";
                } else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_GPRS) {
                    return "GPRS";
                }
                /*
                 * else if(info.getSubtype() ==
                 * TelephonyManager.NETWORK_TYPE_HSDPA){ return "HSDPA"; }else
                 * if(info.getSubtype() == TelephonyManager.NETWORK_TYPE_HSPA){
                 * return "HSPA"; }else if(info.getSubtype() ==
                 * TelephonyManager.NETWORK_TYPE_HSUPA){ return "HSUPA"; }
                 */
                else if (info.getSubtype() == TelephonyManager.NETWORK_TYPE_UMTS) {
                    return "UMTS";
                } else {
                    return "3G";
                }
            } else {
                return "";
            }
        } catch (Exception e) {
            return "";
        }
    }
    /**
     * 获取当前设置的电话号码
     */
    public static String getNativePhoneNumber(Context context) {
        TelephonyManager telephonyManager = (TelephonyManager) context
                .getSystemService(Context.TELEPHONY_SERVICE);
        String NativePhoneNumber = null;
        NativePhoneNumber = telephonyManager.getLine1Number();
        return String.format("手机号: %s", NativePhoneNumber);
    }
    /**
     * IMSI是国际移动用户识别码的简称(International Mobile Subscriber Identity)
     * IMSI共有15位，其结构如下：
     * MCC+MNC+MIN
     * MCC：Mobile Country Code，移动国家码，共3位，中国为460;
     * MNC:Mobile NetworkCode，移动网络码，共2位
     * 在中国，移动的代码为电00和02，联通的代码为01，电信的代码为03
     * 合起来就是（也是Android手机中APN配置文件中的代码）：
     * 中国移动：46000 46002
     * 中国联通：46001
     * 中国电信：46003
     * 举例，一个典型的IMSI号码为460030912121001
     */
    public static String getIMSI(Context context) {
        TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        String IMSI = telephonyManager.getSubscriberId();
        return IMSI;
    }

    /**
     * IMEI是International Mobile Equipment Identity （国际移动设备标识）的简称
     * IMEI由15位数字组成的”电子串号”，它与每台手机一一对应，而且该码是全世界唯一的
     * 其组成为：
     * 1. 前6位数(TAC)是”型号核准号码”，一般代表机型
     * 2. 接着的2位数(FAC)是”最后装配号”，一般代表产地
     * 3. 之后的6位数(SNR)是”串号”，一般代表生产顺序号
     * 4. 最后1位数(SP)通常是”0″，为检验码，目前暂备用
     */
    public static String getIMEI(Context context) {
        TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        String IMEI = telephonyManager.getDeviceId();
        return IMEI;
    }



    /////_________________ 双卡双待系统IMEI和IMSI方案（see more on http://benson37.iteye.com/blog/1923946）

    /**
     * 双卡双待神机IMSI、IMSI、PhoneType信息
     * <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
     */
    public static class TeleInfo {
        public String imsi_1;
        public String imsi_2;
        public String imei_1;
        public String imei_2;
        public int phoneType_1;
        public int phoneType_2;

        @Override
        public String toString() {
            return "TeleInfo{" +
                    "imsi_1='" + imsi_1 + '\'' +
                    ", imsi_2='" + imsi_2 + '\'' +
                    ", imei_1='" + imei_1 + '\'' +
                    ", imei_2='" + imei_2 + '\'' +
                    ", phoneType_1=" + phoneType_1 +
                    ", phoneType_2=" + phoneType_2 +
                    '}';
        }
    }

    /**
     * MTK Phone.
     *
     * 获取 MTK 神机的双卡 IMSI、IMSI 信息
     */
    public static TeleInfo getMtkTeleInfo(Context context) {
        TeleInfo teleInfo = new TeleInfo();
        try {
            Class<?> phone = Class.forName("com.android.internal.telephony.Phone");

            Field fields1 = phone.getField("GEMINI_SIM_1");
            fields1.setAccessible(true);
            int simId_1 = (Integer) fields1.get(null);

            Field fields2 = phone.getField("GEMINI_SIM_2");
            fields2.setAccessible(true);
            int simId_2 = (Integer) fields2.get(null);

            TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
            Method getSubscriberIdGemini = TelephonyManager.class.getDeclaredMethod("getSubscriberIdGemini", int.class);
            String imsi_1 = (String) getSubscriberIdGemini.invoke(tm, simId_1);
            String imsi_2 = (String) getSubscriberIdGemini.invoke(tm, simId_2);
            teleInfo.imsi_1 = imsi_1;
            teleInfo.imsi_2 = imsi_2;

            Method getDeviceIdGemini = TelephonyManager.class.getDeclaredMethod("getDeviceIdGemini", int.class);
            String imei_1 = (String) getDeviceIdGemini.invoke(tm, simId_1);
            String imei_2 = (String) getDeviceIdGemini.invoke(tm, simId_2);

            teleInfo.imei_1 = imei_1;
            teleInfo.imei_2 = imei_2;

            Method getPhoneTypeGemini = TelephonyManager.class.getDeclaredMethod("getPhoneTypeGemini", int.class);
            int phoneType_1 = (Integer) getPhoneTypeGemini.invoke(tm, simId_1);
            int phoneType_2 = (Integer) getPhoneTypeGemini.invoke(tm, simId_2);
            teleInfo.phoneType_1 = phoneType_1;
            teleInfo.phoneType_2 = phoneType_2;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return teleInfo;
    }

    /**
     * MTK Phone.
     *
     * 获取 MTK 神机的双卡 IMSI、IMSI 信息
     */
    public static TeleInfo getMtkTeleInfo2(Context context) {
        TeleInfo teleInfo = new TeleInfo();
        try {
            TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
            Class<?> phone = Class.forName("com.android.internal.telephony.Phone");
            Field fields1 = phone.getField("GEMINI_SIM_1");
            fields1.setAccessible(true);
            int simId_1 = (Integer) fields1.get(null);
            Field fields2 = phone.getField("GEMINI_SIM_2");
            fields2.setAccessible(true);
            int simId_2 = (Integer) fields2.get(null);

            Method getDefault = TelephonyManager.class.getMethod("getDefault", int.class);
            TelephonyManager tm1 = (TelephonyManager) getDefault.invoke(tm, simId_1);
            TelephonyManager tm2 = (TelephonyManager) getDefault.invoke(tm, simId_2);

            String imsi_1 = tm1.getSubscriberId();
            String imsi_2 = tm2.getSubscriberId();
            teleInfo.imsi_1 = imsi_1;
            teleInfo.imsi_2 = imsi_2;

            String imei_1 = tm1.getDeviceId();
            String imei_2 = tm2.getDeviceId();
            teleInfo.imei_1 = imei_1;
            teleInfo.imei_2 = imei_2;

            int phoneType_1 = tm1.getPhoneType();
            int phoneType_2 = tm2.getPhoneType();
            teleInfo.phoneType_1 = phoneType_1;
            teleInfo.phoneType_2 = phoneType_2;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return teleInfo;
    }

    /**
     * Qualcomm Phone.
     * 获取 高通 神机的双卡 IMSI、IMSI 信息
     */
    public static TeleInfo getQualcommTeleInfo(Context context) {
        TeleInfo teleInfo = new TeleInfo();
        try {
            TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
            Class<?> simTMclass = Class.forName("android.telephony.MSimTelephonyManager");
            // Object sim = context.getSystemService("phone_msim");
            Object sim = context.getSystemService(Context.TELEPHONY_SERVICE);
            int simId_1 = 0;
            int simId_2 = 1;

            Method getSubscriberId = simTMclass.getMethod("getSubscriberId", int.class);
            String imsi_1 = (String) getSubscriberId.invoke(sim, simId_1);
            String imsi_2 = (String) getSubscriberId.invoke(sim, simId_2);
            teleInfo.imsi_1 = imsi_1;
            teleInfo.imsi_2 = imsi_2;

            Method getDeviceId = simTMclass.getMethod("getDeviceId", int.class);
            String imei_1 = (String) getDeviceId.invoke(sim, simId_1);
            String imei_2 = (String) getDeviceId.invoke(sim, simId_2);
            teleInfo.imei_1 = imei_1;
            teleInfo.imei_2 = imei_2;

            Method getDataState = simTMclass.getMethod("getDataState");
            int phoneType_1 = tm.getDataState();
            int phoneType_2 = (Integer) getDataState.invoke(sim);
            teleInfo.phoneType_1 = phoneType_1;
            teleInfo.phoneType_2 = phoneType_2;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return teleInfo;
    }

    /**
     * Spreadtrum Phone.
     *
     * 获取 展讯 神机的双卡 IMSI、IMSI 信息
     */
    public static TeleInfo getSpreadtrumTeleInfo(Context context) {
        TeleInfo teleInfo = new TeleInfo();
        try {

            TelephonyManager tm1 = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
            String imsi_1 = tm1.getSubscriberId();
            String imei_1 = tm1.getDeviceId();
            int phoneType_1 = tm1.getPhoneType();
            teleInfo.imsi_1 = imsi_1;
            teleInfo.imei_1 = imei_1;
            teleInfo.phoneType_1 = phoneType_1;

            Class<?> phoneFactory = Class.forName("com.android.internal.telephony.PhoneFactory");
            Method getServiceName = phoneFactory.getMethod("getServiceName", String.class, int.class);
            getServiceName.setAccessible(true);
            TelephonyManager tm2 = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
            String imsi_2 = tm2.getSubscriberId();
            String imei_2 = tm2.getDeviceId();
            int phoneType_2 = tm2.getPhoneType();
            teleInfo.imsi_2 = imsi_2;
            teleInfo.imei_2 = imei_2;
            teleInfo.phoneType_2 = phoneType_2;

        } catch (Exception e) {
            e.printStackTrace();
        }
        return teleInfo;
    }

    /**
     * 获取 MAC 地址
     * <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
     */
    public static String getMacAddress(Context context) {
        //wifi mac地址
        WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        WifiInfo info = wifi.getConnectionInfo();
        String mac = info.getMacAddress();

        return mac;
    }

    /**
     * 获取 开机时间
     */
    public static String getBootTimeString() {
        long ut = SystemClock.elapsedRealtime() / 1000;
        int h = (int) ((ut / 3600));
        int m = (int) ((ut / 60) % 60);

        return h + ":" + m;
    }


}

存储和访问SharedPreferences工具

package cn.studyou.baselibrary.utils;

import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

/**
 * 基本功能：存储和访问SharedPreferences
 * 创建：王杰
 * 创建时间：16/3/7
 * 邮箱：w489657152@gmail.com
 */
public class OperatingSharedPreferences {

    /**
     * <pre>
     * 基本功能：保存String类型数据到SharedPreferences
     * 编写：王杰
     *
     * @param context
     * @param name
     * @param key
     * @param value   </pre>
     */

    public static void setString(Context context,
                                 String name, String key, String value) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        Editor editor = sharedPreferences.edit();// 获取编辑器
        editor.putString(key, value);
        editor.commit();// 提交修改
    }


    /**
     * <pre>
     * 基本功能：取得SharedPreferences中存储的String类型数据
     * 编写：王杰
     *
     * @param context
     * @param name
     * @param key
     * @return </pre>
     */
    public static String getString(Context context,
                                   String name, String key) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        String signature = sharedPreferences.getString(key, "");
        return signature;
    }

    /**
     * <pre>
     * 基本功能：存储的Int类型数据到SharedPreferences
     * 编写：王杰
     *
     * @param context
     * @param name
     * @param key
     * @return </pre>
     */
    public static void setInt(Context context,
                              String name, String key, int value) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        Editor editor = sharedPreferences.edit();// 获取编辑器
        editor.putInt(key, value);
        editor.commit();// 提交修改
    }

    /**
     * <pre>
     * 基本功能：取得SharedPreferences中存储的Int类型数据
     * 编写：王杰
     *
     * @param context
     * @param name
     * @param key
     * @return </pre>
     */
    public static int getInt(Context context,
                             String name, String key) {
        SharedPreferences sharedPreferences = context.getSharedPreferences(
                name, Context.MODE_PRIVATE);
        int signature = sharedPreferences.getInt(key, 0);
        return signature;
    }
}

正则表达式工具

package cn.studyou.baselibrary.utils;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 基本功能：正则表达式工具类
 * 创建：王杰
 * 创建时间：16/3/8
 * 邮箱：w489657152@gmail.com
 */
public class RegexUtil {
    public static boolean checkEmail(String email) {
        String regex = "\\w+@\\w+\\.[a-z]+(\\.[a-z]+)?";
        return Pattern.matches(regex, email);
    }


    public static boolean checkIdCard(String idCard) {
        String regex = "[1-9]\\d{13,16}[a-zA-Z0-9]{1}";
        return Pattern.matches(regex,idCard);
    }


    public static boolean checkMobile(String mobile) {
        String regex = "(\\+\\d+)?1[3458]\\d{9}$";
        return Pattern.matches(regex,mobile);
    }


    public static boolean checkPhone(String phone) {
        String regex = "(\\+\\d+)?(\\d{3,4}\\-?)?\\d{7,8}$";
        return Pattern.matches(regex, phone);
    }


    public static boolean checkDigit(String digit) {
        String regex = "\\-?[1-9]\\d+";
        return Pattern.matches(regex,digit);
    }


    public static boolean checkDecimals(String decimals) {
        String regex = "\\-?[1-9]\\d+(\\.\\d+)?";
        return Pattern.matches(regex, decimals);
    }


    public static boolean checkBlankSpace(String blankSpace) {
        String regex = "\\s+";
        return Pattern.matches(regex,blankSpace);
    }


    public static boolean checkChinese(String chinese) {
        String regex = "^[\u4E00-\u9FA5]+$";
        return Pattern.matches(regex,chinese);
    }


    public static boolean checkBirthday(String birthday) {
        String regex = "[1-9]{4}([-./])\\d{1,2}\\1\\d{1,2}";
        return Pattern.matches(regex,birthday);
    }


    public static boolean checkURL(String url) {
//        String regex = "(https?://(w{3}\\.)?)?\\w+\\.\\w+(\\.[a-zA-Z]+)*(:\\d{1,5})?(/\\w*)*(\\??(.+=.*)?(&.+=.*)?)?";
        String regex = "(http|https):\\/\\/[\\w\\-_]+(\\.[\\w\\-_]+)+([\\w\\-\\.,@?^=%&:/~\\+#]*[\\w\\-\\@?^=%&/~\\+#])?";
        return Pattern.matches(regex, url);
    }

    public static String getDomain(String url) {
        Pattern p = Pattern.compile("(?<=http://|\\.)[^.]*?\\.(com|cn|net|org|biz|info|cc|tv)", Pattern.CASE_INSENSITIVE);
        // 获取完整的域名
        // Pattern p=Pattern.compile("[^//]*?\\.(com|cn|net|org|biz|info|cc|tv)", Pattern.CASE_INSENSITIVE);
        Matcher matcher = p.matcher(url);
        matcher.find();
        return matcher.group();
    }

    public static boolean checkPostcode(String postcode) {
        String regex = "[1-9]\\d{5}";
        return Pattern.matches(regex, postcode);
    }


    public static boolean checkIpAddress(String ipAddress) {
        String regex = "[1-9](\\d{1,2})?\\.(0|([1-9](\\d{1,2})?))\\.(0|([1-9](\\d{1,2})?))\\.(0|([1-9](\\d{1,2})?))";
        return Pattern.matches(regex, ipAddress);
    }
}

SD卡片工具

package cn.studyou.baselibrary.utils;

import android.annotation.TargetApi;
import android.os.Build;
import android.os.Environment;
import android.os.StatFs;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;

/**
 * 基本功能：SD卡片工具
 * 创建：王杰
 * 创建时间：16/3/11
 * 邮箱：w489657152@gmail.com
 */
public class SdCardUtil {

    /**
     * is sd card available.
     * @return true if available
     */
    public boolean isSdCardAvailable() {
        return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
    }

    /**
     * Get {@link android.os.StatFs}.
     */
    public static StatFs getStatFs(String path) {
        return new StatFs(path);
    }

    /**
     * Get phone data path.
     */
    public static String getDataPath() {
        return Environment.getDataDirectory().getPath();

    }

    /**
     * Get SD card path.
     */
    public static String getNormalSDCardPath() {
        return Environment.getExternalStorageDirectory().getPath();
    }

    /**
     * Get SD card path by CMD.
     */
    public static String getSDCardPath() {
        String cmd = "cat /proc/mounts";
        String sdcard = null;
        Runtime run = Runtime.getRuntime();// 返回与当前 Java 应用程序相关的运行时对象
        BufferedReader bufferedReader = null;
        try {
            Process p = run.exec(cmd);// 启动另一个进程来执行命令
            bufferedReader = new BufferedReader(new InputStreamReader(new BufferedInputStream(p.getInputStream())));
            String lineStr;
            while ((lineStr = bufferedReader.readLine()) != null) {
                if (lineStr.contains("sdcard")
                        && lineStr.contains(".android_secure")) {
                    String[] strArray = lineStr.split(" ");
                    if (strArray.length >= 5) {
                        sdcard = strArray[1].replace("/.android_secure", "");
                        return sdcard;
                    }
                }
                if (p.waitFor() != 0 && p.exitValue() == 1) {
                    // p.exitValue()==0表示正常结束，1：非正常结束
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (bufferedReader != null) {
                    bufferedReader.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        sdcard = Environment.getExternalStorageDirectory().getPath();
        return sdcard;
    }

    /**
     * Get SD card path list.
     */
    public static ArrayList<String> getSDCardPathEx() {
        ArrayList<String> list = new ArrayList<String>();
        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")) {
                    String columns[] = line.split(" ");
                    if (columns.length > 1) {
                        list.add("*" + columns[1]);
                    }
                } else if (line.contains("fuse")) {
                    String columns[] = line.split(" ");
                    if (columns.length > 1) {
                        list.add(columns[1]);
                    }
                }
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return list;
    }

    /**
     * Get available size of SD card.
     */
    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
    public static long getAvailableSize(String path) {
        try {
            File base = new File(path);
            StatFs stat = new StatFs(base.getPath());
            return stat.getBlockSizeLong() * stat.getAvailableBlocksLong();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return 0;
    }

    /**
     * Get SD card info detail.
     */
    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
    public static SDCardInfo getSDCardInfo() {
        SDCardInfo sd = new SDCardInfo();
        String state = Environment.getExternalStorageState();
        if (Environment.MEDIA_MOUNTED.equals(state)) {
            sd.isExist = true;
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
                File sdcardDir = Environment.getExternalStorageDirectory();
                StatFs sf = new StatFs(sdcardDir.getPath());

                sd.totalBlocks = sf.getBlockCountLong();
                sd.blockByteSize = sf.getBlockSizeLong();

                sd.availableBlocks = sf.getAvailableBlocksLong();
                sd.availableBytes = sf.getAvailableBytes();

                sd.freeBlocks = sf.getFreeBlocksLong();
                sd.freeBytes = sf.getFreeBytes();

                sd.totalBytes = sf.getTotalBytes();
            }
        }
        return sd;
    }


    /**
     * see more {@link android.os.StatFs}
     */
    public static class SDCardInfo {
        public boolean isExist;
        public long totalBlocks;
        public long freeBlocks;
        public long availableBlocks;

        public long blockByteSize;

        public long totalBytes;
        public long freeBytes;
        public long availableBytes;

        @Override
        public String toString() {
            return "SDCardInfo{" +
                    "isExist=" + isExist +
                    ", totalBlocks=" + totalBlocks +
                    ", freeBlocks=" + freeBlocks +
                    ", availableBlocks=" + availableBlocks +
                    ", blockByteSize=" + blockByteSize +
                    ", totalBytes=" + totalBytes +
                    ", freeBytes=" + freeBytes +
                    ", availableBytes=" + availableBytes +
                    '}';
        }
    }
}

Toast信息工具

package cn.studyou.baselibrary.utils;

import android.content.Context;
import android.view.Gravity;
import android.widget.Toast;

/**
 * 基本功能：Toast信息工具
 * 创建：王杰
 * 创建时间：14/3/11
 * 邮箱：w489657152@gmail.com
 */
public class ToastUtil {

    /**
     * 将最长使用的显示方法单独提出来，方便使用。
     * 屏幕中心位置短时间显示Toast。
     *
     * @param context
     * @param message
     */
    public static void show(Context context, String message) {
        ToastShortCenter(context,message);
    }

    /**
     * 屏幕底部中间位置显示短时间Toast
     *
     * @param context
     * @param message
     */
    public static void ToastShortBottomCenter(Context context, String message) {
        if (context != null) {
            Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
        }
    }

    /**
     * 屏幕底部左边位置短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastShortBottomLeft(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.BOTTOM | Gravity.LEFT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕底部右边位置短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastShortBottomRight(Context context, String message) {

        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.BOTTOM | Gravity.RIGHT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕中心位置短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastShortCenter(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.CENTER, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕中心左边位置短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastShortCenterLeft(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.CENTER | Gravity.LEFT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕中心右边位置短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastShortCenterRight(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.CENTER | Gravity.RIGHT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕顶部中心位置短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastShortTopCenter(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.TOP, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕顶部左边位置短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastShortTopLeft(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.TOP | Gravity.LEFT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕顶部右边位置短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastShortTopRight(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.TOP | Gravity.RIGHT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕底部中间位置显示长时间Toast
     *
     * @param context
     * @param message
     */
    public static void ToastLongBottomCenter(Context context, String message) {
        if (context != null) {

            Toast.makeText(context, message, Toast.LENGTH_LONG).show();
        }
    }

    /**
     * 屏幕底部左边位置长时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastLongBottomLeft(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_LONG);
            toast.setGravity(Gravity.BOTTOM | Gravity.LEFT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕底部右边位置长时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastLongBottomRight(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_LONG);
            toast.setGravity(Gravity.BOTTOM | Gravity.RIGHT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕中心位置长时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastLongCenter(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_LONG);
            toast.setGravity(Gravity.CENTER, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕中心左边位置长时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastLongCenterLeft(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_LONG);
            toast.setGravity(Gravity.CENTER | Gravity.LEFT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕中心右边位置短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastLongCenterRight(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_LONG);
            toast.setGravity(Gravity.CENTER | Gravity.RIGHT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕顶部中心位置长时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastLongTopCenter(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_LONG);
            toast.setGravity(Gravity.TOP, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕顶部左边位置长时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastLongTopLeft(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_LONG);
            toast.setGravity(Gravity.TOP | Gravity.LEFT, 0, 0);
            toast.show();
        }
    }

    /**
     * 屏幕顶部右边位置长时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void ToastLongTopRight(Context context, String message) {
        if (context != null) {

            Toast toast = Toast.makeText(context, message, Toast.LENGTH_LONG);
            toast.setGravity(Gravity.TOP | Gravity.RIGHT, 0, 0);
            toast.show();
        }
    }

}

类型转换工具

package cn.studyou.baselibrary.utils;

/**
 * 基本功能：类型转换工具
 * 创建：王杰
 * 创建时间：14/10/11
 * 邮箱：w489657152@gmail.com
 */
public class TypeConvertUtil {

    public static String nullOfString(String str) {
        if (str == null) {
            str = "";
        }
        return str;
    }

    public static byte stringToByte(String str) {
        byte b = 0;
        if (str != null) {
            try {
                b = Byte.parseByte(str);
            } catch (Exception e) {

            }
        }
        return b;
    }

    public static boolean stringToBoolean(String str) {
        if (str == null) {
            return false;
        } else {
            if (str.equals("1")) {
                return true;
            } else if (str.equals("0")) {
                return false;
            } else {
                try {
                    return Boolean.parseBoolean(str);
                } catch (Exception e) {
                    return false;
                }
            }
        }
    }

    public static int stringToInt(String str) {
        int i = 0;
        if (str != null) {
            try {
                i = Integer.parseInt(str.trim());
            } catch (Exception e) {
                i = 0;
            }

        } else {
            i = 0;
        }
        return i;
    }

    public static short stringToShort(String str) {
        short i = 0;
        if (str != null) {
            try {
                i = Short.parseShort(str.trim());
            } catch (Exception e) {
                i = 0;
            }
        } else {
            i = 0;
        }
        return i;
    }


    public static double stringToDouble(String str) {
        double i = 0;
        if (str != null) {
            try {
                i = Double.parseDouble(str.trim());
            } catch (Exception e) {
                i = 0;
            }
        } else {
            i = 0;
        }
        return i;
    }

    public static String intToString(int i) {
        String str = "";
        try {
            str = String.valueOf(i);
        } catch (Exception e) {
            str = "";
        }
        return str;
    }


    public static long doubleToLong(double d) {
        long lo = 0;
        try {
//double转换成long前要过滤掉double类型小数点后数据
            lo = Long.parseLong(String.valueOf(d).substring(0, String.valueOf(d).lastIndexOf(".")));
        } catch (Exception e) {
            lo = 0;
        }
        return lo;
    }

    public static int doubleToInt(double d) {
        int i = 0;
        try {
//double转换成long前要过滤掉double类型小数点后数据
            i = Integer.parseInt(String.valueOf(d).substring(0, String.valueOf(d).lastIndexOf(".")));
        } catch (Exception e) {
            i = 0;
        }
        return i;
    }

    public static double longToDouble(long d) {
        double lo = 0;
        try {
            lo = Double.parseDouble(String.valueOf(d));
        } catch (Exception e) {
            lo = 0;
        }
        return lo;
    }

    public static int longToInt(long d) {
        int lo = 0;
        try {
            lo = Integer.parseInt(String.valueOf(d));
        } catch (Exception e) {
            lo = 0;
        }
        return lo;
    }

    public static long stringToLong(String str) {
        Long li = new Long(0);
        try {
            li = Long.valueOf(str);
        } catch (Exception e) {
        //li = new Long(0);
        }
        return li.longValue();
    }

    public static String longToString(long li) {
        String str = "";
        try {
            str = String.valueOf(li);
        } catch (Exception e) {

        }
        return str;
    }

}

app版本工具

package cn.studyou.baselibrary.utils;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

/**
 * 基本功能：app版本工具
 * 创建：王杰
 * 创建时间：14/6/7
 * 邮箱：w489657152@gmail.com
 */
public class VersionUtil {
    /**
     * 获取版本号
     *
     * @return 当前应用的版本号
     */
    public static String getVersion(Context context) {
        try {
            PackageManager manager = context.getPackageManager();
            PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);
            String version = info.versionName;
            return version;
        } catch (Exception e) {
            e.printStackTrace();
            return "";
        }
    }

    /**
     * 版本比较
     *
     * @param nowVersion    app版本
     * @param serverVersion 服务器版本
     * @return
     */
    public static boolean compareVersion(String nowVersion, String serverVersion) {

        if (nowVersion != null && serverVersion != null) {
            String[] nowVersions = nowVersion.split("\\.");
            String[] serverVersions = serverVersion.split("\\.");
            if (nowVersions != null && serverVersions != null && nowVersions.length > 1 && serverVersions.length > 1) {
                int nowVersionsFirst = Integer.parseInt(nowVersions[0]);
                int serverVersionFirst = Integer.parseInt(serverVersions[0]);
                int nowVersionsSecond = Integer.parseInt(nowVersions[1]);
                int serverVersionSecond = Integer.parseInt(serverVersions[1]);
                if (nowVersionsFirst < serverVersionFirst) {
                    return true;
                } else if (nowVersionsFirst == serverVersionFirst && nowVersionsSecond < serverVersionSecond) {
                    return true;
                }
            }
        }
        return false;
    }
}

错误信息反馈信息工具

package cn.studyou.baselibrary.utils;

import android.content.Context;

/**
 * 基本功能：错误信息反馈信息
 * 创建：王杰
 * 创建时间：16/3/11
 * 邮箱：w489657152@gmail.com
 */
public class ErrorMessageUtil {
    public  static String printErrorMessage(Context context,String methodName ,String errorMessage){
        return "\n############################errorMessage start ##############################\n"+MobileUtil.printMobileInfo(context)+MobileUtil.printSystemInfo()+"\n错误信息："+errorMessage+"\n方法名："+methodName+"\n当前app版本号："+VersionUtil.getVersion(context)+"\n############################errorMessage end##############################";
    }
}