package com.jiuqi.njt.data;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.Thread.UncaughtExceptionHandler;
import java.lang.reflect.Field;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
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;
import com.jiuqi.njt.util.DateUtil;
/**
* UncaughtException处理类,当程序发生Uncaught异常的时候,有该类来接管程序,并记录发送错误报告.
*
* @author user
*
*/
public class CrashHandler implements UncaughtExceptionHandler {
String fileName;
public static final String TAG = "CrashHandler";
//系统默认的UncaughtException处理类
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>();
/** 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;
}
/**
* 初始化
*
* @param context
*/
public void init(Context context) {
mContext = context;
//获取系统默认的UncaughtException处理器
mDefaultHandler = 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) {
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理
mDefaultHandler.uncaughtException(thread, ex);
} else {
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
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(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,即将退出.", Toast.LENGTH_LONG).show();
Looper.loop();
}
}.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 + "";
String fileTime = DateUtil.getTimeStamp(new Date(), DateUtil.YYYY_MM_DD_HH_MM);
infos.put("\r\ntime", fileTime);
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器
*/
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 + "\r\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 {
SharedPreferences sp = mContext.getSharedPreferences("logName", Context.MODE_PRIVATE);
fileName = sp.getString("fileName", "");
fileName= "";
if(fileName != ""){
String time = DateUtil.getTimeStamp(new Date(), DateUtil.YYYYMMDDHHMMSS);
String strtime = time.substring(0,8);
String strfile = fileName.substring(6, 14);
if(!strtime.equals(strfile)){
// fileName = "crash-" + DateUtil.getTimeStamp(new Date(), DateUtil.YYYYMMDDHHMMSS)+ new Random().nextInt(1000) + ".log";
fileName = "crash-" + DateUtil.getTimeStamp(new Date(), DateUtil.YYYY_MM_DD)+ ".log";
SharedPreferences mSharedPreferences = mContext.getSharedPreferences("logName", Context.MODE_PRIVATE);
Editor editor = mSharedPreferences.edit();
editor.putString("fileName",fileName);
editor.commit();
}
}
if(fileName == ""){
// fileName = "crash-" + DateUtil.getTimeStamp(new Date(), DateUtil.YYYYMMDDHHMMSS)+ new Random().nextInt(1000) + ".log";
fileName = "crash-" + DateUtil.getTimeStamp(new Date(), DateUtil.YYYY_MM_DD)+ ".log";
SharedPreferences mSharedPreferences = mContext.getSharedPreferences("logName", Context.MODE_PRIVATE);
Editor editor = mSharedPreferences.edit();
editor.putString("fileName",fileName);
editor.commit();
}
String path = "";
//sd卡
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
path = Environment.getExternalStorageDirectory().getPath() + File.separator + "njt";
}else{
//内存
path = mContext.getFilesDir().getAbsolutePath() + File.separator + "njt";
}
File dir = new File(path);
if (!dir.exists()) {
dir.mkdirs();
}
/*FileOutputStream fos = new FileOutputStream(path + File.separator + fileName);
fos.write(sb.toString().getBytes());
fos.close();*/
DateUtil.deleteMoreFile(mContext, "", "crash-", 7);
FileWriter fw;
boolean isAdditional =true;
File file = new File(path + File.separator + fileName);
if(file.exists()&&file.length()>1*1024*1024){
isAdditional = false;
}
try {
fw = new FileWriter(path + File.separator + fileName,isAdditional);
fw.write(sb.toString(), 0, sb.toString().length());
fw.flush();
fw.close();
} catch (IOException e) {
e.printStackTrace();
}
return fileName;
} catch (Exception e) {
Log.e(TAG, "an error occured while writing file...", e);
}
return null;
}
}