package cm.android.util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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 java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.Thread.UncaughtExceptionHandler;
import java.lang.reflect.Field;
import java.nio.charset.Charset;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Properties;
import java.util.TreeSet;
/**
* 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.
*/
@Deprecated
public class CrashHandler implements UncaughtExceptionHandler {
private static final boolean isSavedSdcard = true;
private static final String VERSION_NAME = "versionName";
private static final String VERSION_CODE = "versionCode";
private static final String STACK_TRACE = "STACK_TRACE";
private static final Logger logger = LoggerFactory.getLogger(CrashHandler.class);
/**
* 错误报告文件的扩展名
*/
private static final String CRASH_REPORTER_EXTENSION = ".cr";
private static final String CRASH_FILE_NAME = "crash-";
/**
* 系统默认的UncaughtException处理类
*/
private Thread.UncaughtExceptionHandler mDefaultHandler;
/**
* 程序的Context对象
*/
private Context mContext;
/**
* 使用Properties来保存设备的信息和错误堆栈信息
*/
private Properties mDeviceCrashInfo = new Properties();
/**
* 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 CrashHandlerHolder.INSTANCE;
}
/**
* 初始化,注册Context对象, 获取系统默认的UncaughtException处理器, 设置该CrashHandler为程序的默认处理器
*/
public void init(Context ctx) {
mContext = ctx;
mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
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) {
handleException(ex);
if (mDefaultHandler != null) {
// 让系统默认的异常处理器来处理
mDefaultHandler.uncaughtException(thread, 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 {
// // Sleep一会后结束程序
// try {
// Thread.sleep(3000);
// } catch (InterruptedException e) {
// Log.e(TAG, "Error : ", e);
// }
// android.os.Process.killProcess(android.os.Process.myPid());
// System.exit(10);
// }
}
/**
* 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. 开发者可以根据自己的情况来自定义异常处理逻辑
*
* @return true:如果处理了该异常信息;否则返回false
*/
private boolean handleException(final Throwable ex) {
if (ex == null) {
return true;
}
// final String msg = ex.getLocalizedMessage();
// 使用Toast来显示异常信息
new Thread() {
@Override
public void run() {
Looper.prepare();
if (null == mContext) {
return;
}
// Toast.makeText(mContext, "程序出错啦:" + msg, Toast.LENGTH_LONG)
// .show();
// 收集设备信息
collectCrashDeviceInfo(mContext);
// 保存错误报告文件
// String crashFileName = saveCrashInfoToFile(ex);
// saveCrashInfo(ex);
// 发送错误报告到服务器
sendCrashReportsToServer(mContext);
Looper.loop();
}
}.start();
// // 收集设备信息
// collectCrashDeviceInfo(mContext);
// // 保存错误报告文件
// String crashFileName = saveCrashInfoToFile(ex);
// // 发送错误报告到服务器
// sendCrashReportsToServer(mContext);
return true;
}
/**
* 在程序启动时候, 可以调用该函数来发送以前没有发送的报告
*/
public void sendPreviousReportsToServer() {
new Thread() {
@Override
public void run() {
if (null == mContext) {
return;
}
// 发送错误报告到服务器
sendCrashReportsToServer(mContext);
}
}.start();
}
/**
* 把错误报告发送给服务器,包含新产生的和以前没发送的.
*/
private void sendCrashReportsToServer(Context ctx) {
String[] crFiles = getCrashReportFiles(ctx);
if (crFiles != null && crFiles.length > 0) {
TreeSet<String> sortedFiles = new TreeSet<String>();
sortedFiles.addAll(Arrays.asList(crFiles));
for (String fileName : sortedFiles) {
File cr = new File(ctx.getFilesDir(), fileName);
postReport(cr);
boolean delete = cr.delete();// 删除已发送的报告
if (!delete) {
logger.debug("delete failed:cr = {}", cr.getAbsoluteFile());
}
}
}
}
private void postReport(File file) {
// TODO 使用HTTP Post 发送错误报告到服务器
}
/**
* 获取错误报告文件名
*/
private String[] getCrashReportFiles(Context ctx) {
File filesDir = ctx.getFilesDir();
FilenameFilter filter = new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.endsWith(CRASH_REPORTER_EXTENSION);
}
};
return filesDir.list(filter);
}
/**
* 保存错误信息到文件中
*/
private String saveCrashInfoToFile(Throwable ex) {
Writer info = new StringWriter();
PrintWriter printWriter = new PrintWriter(info);
ex.printStackTrace(printWriter);
Throwable cause = ex.getCause();
while (cause != null) {
cause.printStackTrace(printWriter);
cause = cause.getCause();
}
String result = info.toString();
printWriter.close();
mDeviceCrashInfo.put(STACK_TRACE, result);
String exceptionLog = getCrashInfo(ex);
try {
long timestamp = System.currentTimeMillis();
String fileName = CRASH_FILE_NAME + mContext.getPackageName() + "-"
+ MyFormatter.formatDate2(timestamp)
+ CRASH_REPORTER_EXTENSION;
OutputStream trace = null;
if (isSavedSdcard) {
File file = new File(Environment.getExternalStorageDirectory(),
fileName);
trace = new FileOutputStream(file, true);
} else {
trace = mContext.openFileOutput(fileName, Context.MODE_PRIVATE);
}
mDeviceCrashInfo.store(trace, "");
trace.write(exceptionLog.getBytes(Charset.defaultCharset()));
trace.flush();
trace.close();
return fileName;
} catch (FileNotFoundException e) {
logger.error("an error occured while writing report file...", e);
} catch (IOException e) {
logger.error("an error occured while writing report file...", e);
}
return null;
}
private String getCrashInfo(Throwable aException) {
NumberFormat theFormatter = new DecimalFormat("#0.");
// String theErrReport = "";
StringBuilder errReport = new StringBuilder();
errReport.append("\n" + mContext.getPackageName()
+ " generated the following exception:\n");
errReport.append(aException.toString() + "\n");
// theErrReport += mContext.getPackageName()
// + " generated the following exception:\n";
// theErrReport += aException.toString() + "\n\n";
// stack trace
StackTraceElement[] theStackTrace = aException.getStackTrace();
if (theStackTrace.length > 0) {
errReport.append("--------- Stack trace ---------\n");
// theErrReport += "--------- Stack trace ---------\n";
for (int i = 0; i < theStackTrace.length; i++) {
errReport.append(theFormatter.format(i + 1) + "\t"
+ theStackTrace[i].toString() + "\n");
// theErrReport += theFormatter.format(i + 1) + "\t"
// + theStackTrace[i].toString() + "\n";
}// for
// theErrReport += "-------------------------------\n\n";
errReport.append("------------------------------\n");
}
// if the exception was thrown in a background thread inside
// AsyncTask, then the actual exception can be found with getCause
Throwable theCause = aException.getCause();
if (theCause != null) {
errReport.append("----------- Cause -----------\n");
errReport.append(theCause.toString() + "\n");
// theErrReport += "----------- Cause -----------\n";
// theErrReport += theCause.toString() + "\n\n";
theStackTrace = theCause.getStackTrace();
for (int i = 0; i < theStackTrace.length; i++) {
// theErrReport += theFormatter.format(i + 1) + "\t"
// + theStackTrace[i].toString() + "\n";
errReport.append(theFormatter.format(i + 1) + "\t"
+ theStackTrace[i].toString() + "\n");
}// for
// theErrReport += "-----------------------------\n\n";
errReport.append("-----------------------------\n");
}// if
// app environment
PackageManager pm = mContext.getPackageManager();
PackageInfo pi;
try {
pi = pm.getPackageInfo(mContext.getPackageName(), 0);
} catch (NameNotFoundException eNnf) {
// doubt this will ever run since we want info about our own package
pi = new PackageInfo();
pi.versionName = "unknown";
pi.versionCode = 69;
}
Date theDate = new Date();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy.MM.dd_HH.mm.ss_zzz");
errReport.append("-------- Environment --------\n");
errReport.append("Time\t=" + sdf.format(theDate) + "\n");
errReport.append("Device\t=" + Build.FINGERPRINT + "\n");
// theErrReport += "-------- Environment --------\n";
// theErrReport += "Time\t=" + sdf.format(theDate) + "\n";
// theErrReport += "Device\t=" + Build.FINGERPRINT + "\n";
try {
Field theMfrField = Build.class.getField("MANUFACTURER");
// theErrReport += "Make\t=" + theMfrField.get(null) + "\n";
errReport.append("Make\t=" + theMfrField.get(null) + "\n");
} catch (SecurityException e) {
} catch (NoSuchFieldException e) {
} catch (IllegalArgumentException e) {
} catch (IllegalAccessException e) {
}
errReport.append("Model\t=" + Build.MODEL + "\n");
errReport.append("Product\t=" + Build.PRODUCT + "\n");
errReport.append("App\t=" + mContext.getPackageName() + ", version "
+ pi.versionName + " (build " + pi.versionCode + ")\n");
errReport.append("Locale\t="
+ mContext.getResources().getConfiguration().locale
.getDisplayName() + "\n");
errReport.append("-----------------------------\n");
errReport.append("END REPORT.");
// theErrReport += "Model\t=" + Build.MODEL + "\n";
// theErrReport += "Product\t=" + Build.PRODUCT + "\n";
// theErrReport += "App\t=" + mContext.getPackageName() + ", version "
// + pi.versionName + " (build " + pi.versionCode + ")\n";
// theErrReport += "Locale\t="
// + mContext.getResources().getConfiguration().locale
// .getDisplayName() + "\n";
// theErrReport += "-----------------------------\n\n";
//
// theErrReport += "END REPORT.";
return errReport.toString();
}
/**
* 收集程序崩溃的设备信息
*/
public void collectCrashDeviceInfo(Context ctx) {
try {
PackageManager pm = ctx.getPackageManager();
PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(),
PackageManager.GET_ACTIVITIES);
if (pi != null) {
mDeviceCrashInfo.put(VERSION_NAME,
pi.versionName == null ? "not set" : pi.versionName);
mDeviceCrashInfo.put(VERSION_CODE,
String.valueOf(pi.versionCode));
}
} catch (NameNotFoundException e) {
logger.error("Error while collect package info", e);
}
// 使用反射来收集设备信息.在Build类中包含各种设备信息,
// 例如: 系统版本号,设备生产商 等帮助调试程序的有用信息
// 具体信息请参考后面的截图
Field[] fields = Build.class.getDeclaredFields();
for (Field field : fields) {
try {
field.setAccessible(true);
mDeviceCrashInfo.put(field.getName(),
String.valueOf(field.get(null)));
logger.debug(field.getName() + " : " + field.get(null));
} catch (Exception e) {
logger.error("Error while collect crash info", e);
}
}
}
private static final class CrashHandlerHolder {
private static final CrashHandler INSTANCE = new CrashHandler();
}
}