package com.ttj;
import java.io.File;
import java.io.FileOutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.Thread.UncaughtExceptionHandler;
import java.lang.reflect.Field;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Build;
import android.os.Environment;
import android.os.Looper;
import android.util.Log;
import android.widget.Toast;
@SuppressLint("SimpleDateFormat")
public class CrashHandler implements UncaughtExceptionHandler {
public static final String TAG = "CrashHandler";
// 系统默认的UncaughtException处理
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名字
private SimpleDateFormat formatter = new SimpleDateFormat(
"yyyy-MM-dd-HH-mm-ss");
/** 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;
}
// public void setHost(String host) {
// this.host = host;
// }
//
// public void setUserName(String userName) {
// this.userName = userName;
// }
//
// public void setUserPass(String userPass) {
// this.userPass = userPass;
// }
//
// public void setAddrTo(String addrTo) {
// AddrTo = addrTo;
// }
/**
* 初始化
*
* @param context
*/
public void init(Context context) {
mContext = context;
// 获取系统默认的UncaughtException处理�?
mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
// 设置该CrashHandler为程序的默认处理�?
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) {
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�?
mDefaultHandler.uncaughtException(thread, ex);
} else {
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
Log.e(TAG, "error : ", e);
}
// �?��程序
android.os.Process.killProcess(android.os.Process.myPid());
System.exit(0);
}
}
/**
* 自定义错误处�?收集错误信息 发�?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,异常已发送,我们尽快修复。",
Toast.LENGTH_SHORT).show();
Looper.loop();
// android.os.Process.killProcess(android.os.Process.myPid());
// System.exit(0);
}
}.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) {
String versionName = pi.versionName == null ? "null"
: pi.versionName;
String versionCode = pi.versionCode + "";
infos.put("versionName", versionName);
infos.put("versionCode", versionCode);
}
} catch (NameNotFoundException e) {
Log.e(TAG, "an error occured when collect package info", e);
}
Field[] fields = Build.class.getDeclaredFields();
for (Field field : fields) {
try {
field.setAccessible(true);
infos.put(field.getName(), field.get(null).toString());
Log.d(TAG, field.getName() + " : " + field.get(null));
} catch (Exception 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�?
*/
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();
String result = writer.toString();
sb.append(result);
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 = Environment.getExternalStorageDirectory()
+ "/crash/";
File dir = new File(path);
if (!dir.exists()) {
dir.mkdirs();
}
// send(sb.toString());
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;
}
// private void send(final String cuowu) {
// new Thread(new Runnable() {
//
// @Override
// public void run() {
// Email email = new Email();
// email.setAddressTo(AddrTo);
// email.setHost(host);
// email.setPwd(userPass);
// email.setUserName(userName);
// try {
// email.send("【" + getAppName() + "】 手机厂商:"
// + android.os.Build.MANUFACTURER + "-手机型号:"
// + android.os.Build.MODEL + ",错误报告.", new String(
// cuowu.getBytes(), "UTF-8"));
// System.out.println("发送成功！");
// } catch (UnsupportedEncodingException e) {
// e.printStackTrace();
// }
// }
// }).start();
// }
// private String getAppName(){
// ApplicationInfo android = mContext.getApplicationInfo();
// return mContext.getString(android.labelRes);
// }
}