android app崩溃log抓取，打印在本地

不算原创了，一直在项目中使用 ，亲测好用 。 好东西就要拿出来分享

崩溃的时候会在根目录crashlog新建文件，便于查看

注意 ：

    初始化要在Application中

    

crashHandler = CrashExceptionHandler.getCrashInstance();
crashHandler.init();

package com.reemanye.reemanlauncher.util;

import android.os.Environment;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.lang.Thread.UncaughtExceptionHandler;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

public class CrashExceptionHandler implements UncaughtExceptionHandler {
   private static CrashExceptionHandler carshInstance;

   @Override
   public void uncaughtException(Thread td, Throwable tb) {
      writeToSDCard(td, tb);
      if (td.getId() == 1) {// UI异常

      } else {

      }
      android.os.Process.killProcess(android.os.Process.myPid());
      System.exit(1);
   }

   public void init() {
      Thread.setDefaultUncaughtExceptionHandler(this);
   }

   public void writeToSDCard(Thread td, Throwable tb) {
      boolean sdCardExist = Environment.getExternalStorageState().equals(
            android.os.Environment.MEDIA_MOUNTED);
      if (sdCardExist) {
         File logFile = new File(Environment.getExternalStorageDirectory()
               .getPath() + "/crashlog");
         if (!logFile.exists()) {
            if (!logFile.mkdirs()) {
               System.out.println("create crash file fail");
            }
         }
         String logPath = Environment.getExternalStorageDirectory()
               .getPath()
               + "/crashlog/"
               + new SimpleDateFormat("yyMMdd_HHmmss", Locale.getDefault())
                     .format(new Date()) + ".log";
         FileOutputStream fos = null;
         try {
            fos = new FileOutputStream(logPath);
            PrintStream ps = new PrintStream(fos);
            tb.printStackTrace(ps);
            ps.flush();
            ps.close();
         } catch (FileNotFoundException e) {
            e.printStackTrace();
         } finally {
            if (fos != null) {
               try {
                  fos.close();
               } catch (IOException e) {
                  e.printStackTrace();
               }
            }
         }
      }
   }

   public CrashExceptionHandler() {

   }

   public static CrashExceptionHandler getCrashInstance() {
      if (carshInstance == null) {
         // synchronized (carshInstance) {
         // carshInstance = new MyCrashHandler();
         // }
         carshInstance = new CrashExceptionHandler();
      }
      return carshInstance;
   }
}