Android记录程序崩溃Log写入文件 Android, import, 程序, 记录

520503

将导致程序崩溃的堆栈调用Log写入文件，便于收集bug。在调试安卓程序，由于某些原因调试时手机不能连接PC端，无法通过IDE查看程序崩溃的Log，希望log能够写入文件中，对于已经发布的App可以通过该功能收集Bug。

01	import java.io.FileNotFoundException;

02	import java.io.FileOutputStream;

03	import java.io.IOException;

04	import java.io.PrintStream;

05	import java.lang.Thread.UncaughtExceptionHandler;

06

07	public class MyCrashHandler implements UncaughtExceptionHandler{

08

09	private static MyCrashHandler crashHandler;

10

11

@Override

12	public void uncaughtException(Thread thread, Throwable ex) {

13	// TODO Auto-generated method stub

14	if (crashHandler != null) {

15

try {

16	//将crash log写入文件

17	FileOutputStream fileOutputStream = new FileOutputStream("/mnt/sdcard/crash_log.txt", true);

18	PrintStream printStream = new PrintStream(fileOutputStream);

19	ex.printStackTrace(printStream);

20	printStream.flush();

21	printStream.close();

22	fileOutputStream.close();

23	} catch (FileNotFoundException e) {

24	// TODO Auto-generated catch block

25	e.printStackTrace();

26	} catch (IOException e) {

27	// TODO Auto-generated catch block

28	e.printStackTrace();

29

}

30

}

31

}

32

33

//设置默认处理器

34	public void init() {

35	Thread.setDefaultUncaughtExceptionHandler(this);

36

}

37

38	private MyCrashHandler() {}

39

40

//单例

41	public static MyCrashHandler instance() {

42	if (crashHandler == null) {

43	synchronized (crashHandler) {

44	crashHandler = new MyCrashHandler();

45

}

46

}

47	return crashHandler;

48

}

49

}