import android.content.Context;

 import android.os.Looper;

 import android.util.Log;

 import android.widget.Toast;

 import java.text.DateFormat;

 import java.text.SimpleDateFormat;

 import java.util.Locale;

 /**

  * author: Created by zzl on 15/11/3.

  */

 public class CrashHandler implements Thread.UncaughtExceptionHandler {

     private static final String TAG = CrashHandler.class.getSimpleName();

     private static CrashHandler instance; // 单例模式

     private Context context; // 程序Context对象

     private Thread.UncaughtExceptionHandler defalutHandler; // 系统默认的UncaughtException处理类

     private DateFormat formatter = new SimpleDateFormat(

             "yyyy-MM-dd_HH-mm-ss.SSS", Locale.CHINA);

     private CrashHandler() {

     }

     /**

      * 获取CrashHandler实例

      *

      * @return CrashHandler

      */

     public static CrashHandler getInstance() {

         if (instance == null) {

             synchronized (CrashHandler.class) {

                 if (instance == null) {

                     instance = new CrashHandler();

                 }

             }

         }

         return instance;

     }

     /**

      * 异常处理初始化

      *

      * @param context

      */

     public void init(Context context) {

         this.context = context;

         // 获取系统默认的UncaughtException处理器

         defalutHandler = Thread.getDefaultUncaughtExceptionHandler();

         // 设置该CrashHandler为程序的默认处理器

         Thread.setDefaultUncaughtExceptionHandler(this);

     }

     /**

      * 当UncaughtException发生时会转入该函数来处理

      */

     @Override

     public void uncaughtException(Thread thread, Throwable ex) {

         // 自定义错误处理

         boolean res = handleException(ex);

         if (!res && defalutHandler != null) {

             // 如果用户没有处理则让系统默认的异常处理器来处理

             defalutHandler.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(final Throwable ex) {

         if (ex == null) {

             return false;

         }

         new Thread() {

             @Override

             public void run() {

                 Looper.prepare();

                 ex.printStackTrace();

                 String err = "[" + ex.getMessage() + "]";

                 Toast.makeText(context, "程序出现异常." + err, Toast.LENGTH_LONG)

                         .show();

                 Looper.loop();

             }

         }.start();

         // 收集设备参数信息 \日志信息

         return true;                                                                                                                }

 }

     @Override

     public void onCreate() {

         super.onCreate();

         initInformData();

         mContext = getApplicationContext();

         CrashHandler crashHandler = CrashHandler.getInstance();

         crashHandler.init(mContext);

     }