[Android]记录程序崩溃Log

package com.zxl.crash;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.lang.Thread.UncaughtExceptionHandler;

public class MyCrashHandler implements UncaughtExceptionHandler{

private static MyCrashHandler crashHandler;

@Override
public void uncaughtException(Thread thread, Throwable ex) {
// TODO Auto-generated method stub
if (crashHandler != null) {
try {
//将crash log写入文件
FileOutputStream fileOutputStream = new FileOutputStream("/mnt/sdcard/crash_log.txt", true);
PrintStream printStream = new PrintStream(fileOutputStream);
ex.printStackTrace(printStream);
printStream.flush();
printStream.close();
fileOutputStream.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}

//设置默认处理器
public void init() {
Thread.setDefaultUncaughtExceptionHandler(this);
}

private MyCrashHandler() {}

//单例
public static MyCrashHandler instance() {
if (crashHandler == null) {
synchronized (crashHandler) {
crashHandler = new MyCrashHandler();
}
}
return crashHandler;
}
}