import android.app.Application;
public class LtsdkApplication extends Application
{
public void onCreate()
{
super.onCreate();
// 在Application中初始化运行异常捕获
CrashHandler.getInstance().init(this);
// 运行异常测试
int n = 0;
int m = 2 / n;
}
}
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;
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.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
/** @Description 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 Smallgan */
public class CrashHandler implements UncaughtExceptionHandler
{
public static final String TAG = "CrashHandler";
String crashPath = "/sdcard/ltsdk/crash/"; // 异常信息保存路径
// 系统默认的UncaughtException处理类
private 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,作为日志文件名的一部分
private DateFormat 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;
}
/** 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)
{
String exStr = ToString(ex);
Log.e(TAG, "游戏异常 : " + exStr);
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
{
Log.e(TAG, "待处理游戏异常! ");
// String errorInfo = "android.view.animation.AlphaAnimation cannot be cast to android.view.animation.AnimationSet";
// if (exStr.contains(errorInfo))
// {
// Log.e(TAG, "忽略游戏异常 : " + errorInfo);
// return;
// }
// else
{
try
{
Thread.sleep(3000);
}
catch (InterruptedException e)
{
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。" + "\r\n" + "异常log信息已保存至:" + crashPath, Toast.LENGTH_LONG).show();
Looper.loop();
}
}.start();
// 收集设备参数信息
collectDeviceInfo(mContext);
Log.e(TAG, " handleException() exception info = " + ex);
// 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);
}
}
}
/** 获取异常文本信息 */
private String ToString(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();
return result;
}
/** 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 + "\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 + ".txt";
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED))
{
// String path = "/sdcard/com.hm.pay.demo/crash/";
File dir = new File(crashPath);
if (!dir.exists())
{
dir.mkdirs();
}
FileOutputStream fos = new FileOutputStream(crashPath + 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;
}
}