全局捕获错误信息，并上传至服务器

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Environment;
import android.os.Looper;
import android.util.Log;
import android.widget.Toast;
import java.io.File;
import java.io.FileOutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.reflect.Field;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

public class CrashHandler implements Thread.UncaughtExceptionHandler , IMainView.IMainShow {

    public static final String TAG = "CrashHandler";

    MainPresenter mainPresenter = new MainPresenter();

    //系统默认的UncaughtException处理类
    private Thread.UncaughtExceptionHandler mDefaultHandler;
    //CrashHandler实例
    private static CrashHandler INSTANCE = new CrashHandler();
    //程序的Context对象
    private Context mContext;
    //用来存储设备信息和异常信息
    private Map<String, String> infos = new HashMap<String, String>();
    //用于格式化日期,作为日志文件名的一部分
    private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH:mm:ss");
    private String an;
    private String pn;
    private String vn;
    private String vc;
    private String mv;
    private String sv;
    private String sys = "1";
    private String user;
    private String uid;
    private String result;
    /** 保证只有一个CrashHandler实例 */
    private CrashHandler() {

    }

    /** 获取CrashHandler实例 ,单例模式 */
    public static CrashHandler getInstance() {
        return INSTANCE;
    }

    /**
     * 初始化
     *
     * @param context
     */
    public void init(Context context) {
        mContext = context;
        //获取系统默认的UncaughtException处理器
        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
        //设置该CrashHandler为程序的默认处理器
        Thread.setDefaultUncaughtExceptionHandler(this);
        mainPresenter.setView(this);
    }

    /**
     * 当UncaughtException发生时会转入该函数来处理
     */
    @Override
    public void uncaughtException(Thread thread, Throwable ex) {
        if (!handleException(ex) && mDefaultHandler != null) {
            //如果用户没有处理则让系统默认的异常处理器来处理
            mDefaultHandler.uncaughtException(thread, ex);
        } else {
            try {
                Thread.sleep(3000);
            } catch (InterruptedException e) {
                Log.e(TAG, "error : ", e);
            }
            //退出程序
            android.os.Process.killProcess(android.os.Process.myPid());
            System.exit(1);
        }
    }

    /**
     * 自定义错误处理,收集错误信息 发送错误报告等操作均在此完成.
     *
     * @param ex
     * @return true:如果处理了该异常信息;否则返回false.
     */
    private boolean handleException(Throwable ex) {
        if (ex == null) {

            return false;
        }
        //使用Toast来显示异常信息
        new Thread() {
            @Override
            public void run() {
                Looper.prepare();
                Toast.makeText(mContext, "很抱歉,程序出现异常,即将退出.", Toast.LENGTH_LONG).show();
                Looper.loop();
            }
        }.start();
        //收集设备参数信息
        collectDeviceInfo(mContext);
        //保存日志文件
        saveCrashInfo2File(ex);
        return true;
    }

    /**
     * 收集设备参数信息
     * @param ctx
     */
    public void collectDeviceInfo(Context ctx) {
        try {
            PackageManager pm = ctx.getPackageManager();
            PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), PackageManager.GET_ACTIVITIES);
            if (pi != null) {
                SpUtil spUtil = new SpUtil(mContext , "user_account");
                //String user_account = spUtil.getString("user_account", "");
                int user_id = spUtil.getInt("user_id", 0);
                SpUtil sp = new SpUtil(mContext , "sp");
                String unit = sp.getString("unit", "");
                String versionName = pi.versionName == null ? "null" : pi.versionName;
                String versionCode = pi.versionCode + "";
                String packageName = pi.packageName + "";
                an = infos.put("应用名称：", AppUtils.getAppName(mContext));
                pn = infos.put("应用包名：", packageName);
                vn = infos.put("版本名称：", versionName);
                vc = infos.put("版本号：", versionCode);
                mv = infos.put("手机型号：", Build.BRAND);
                sv = infos.put("手机版本：", Build.VERSION.RELEASE);
                //infos.put("用户名：", user_account);
                user = infos.put("用户ID：", user_id + "");
                uid = infos.put("Uid：", unit);
                infos.put("创建时间：", formatter.format(new Date()));

            }
        } catch (PackageManager.NameNotFoundException e) {
            //Log.e(TAG, "an error occured when collect package info", e);
            //Log.d(TAG , ""+e);
        }


        Field[] fields = Build.class.getDeclaredFields();
        for (Field field : fields) {
            try {
                field.setAccessible(true);
                //infos.put(field.getName(), field.get(null).toString());
            } catch (Exception e) {
                //Log.d("yichangxinxi" , ""+e);
                //Log.e(TAG, "an error occured when collect crash info", e);
            }
        }

    }

    /**
     * 保存错误信息到文件中
     *
     * @param ex
     * @return  返回文件名称,便于将文件传送到服务器
     */
    private String saveCrashInfo2File(Throwable ex) {
        StringBuffer sb = new StringBuffer();
        for (Map.Entry<String, String> entry : infos.entrySet()) {
            String key = entry.getKey();
            String value = entry.getValue();
            sb.append(key + "=" + value + "\n");
        }

        Writer writer = new StringWriter();
        PrintWriter printWriter = new PrintWriter(writer);
        ex.printStackTrace(printWriter);
        Throwable cause = ex.getCause();
        while (cause != null) {
            cause.printStackTrace(printWriter);
            cause = cause.getCause();
        }
        printWriter.close();
        result = writer.toString();
        sb.append(result);

        String an = infos.get("应用名称：");
        String pn = infos.get("应用包名：");
        String vn = infos.get("版本名称：");
        String vc = infos.get("版本号：");
        String mv = infos.get("手机型号：");
        String sv = infos.get("手机版本：");
        String user = infos.get("用户ID：");
        String uid = infos.get("Uid：");
        mainPresenter.log(uid , user , an , pn , vn , vc , mv , sv , sys , result);//上传至服务器

        try {
            long timestamp = System.currentTimeMillis();
            String time = formatter.format(new Date());
            String fileName = "crash-" + time + "-" + timestamp + ".log";
            if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
                String path = "/sdcard/crash/";
                File dir = new File(path);
                if (!dir.exists()) {
                    dir.mkdirs();
                }
                FileOutputStream fos = new FileOutputStream(path + fileName);
                fos.write(sb.toString().getBytes());
                fos.close();
            }
            return fileName;
        } catch (Exception e) {
            //Log.e(TAG, "an error occured while writing file...", e);
        }
        return null;
    }

    @Override
    public void onSuccess(Object o) {
        LogBean logBean = (LogBean) o;
    }

    @Override
    public void onError(String err) {

    }

}

 class AppUtils {
    /**
     * 获取应用程序名称
     */
    public static synchronized String getAppName(Context context) {
        try {
            PackageManager packageManager = context.getPackageManager();
            PackageInfo packageInfo = packageManager.getPackageInfo(
                    context.getPackageName(), 0);
            int labelRes = packageInfo.applicationInfo.labelRes;
            return context.getResources().getString(labelRes);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
    }

最后在集成Application的类里onCreate()方法里面加入：

    // 异常信息初始化

    CrashHandler crashHandler = CrashHandler.getInstance();
    crashHandler.init(getApplicationContext());