package ml.puredark.hviewer.core; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.os.Build; import android.os.Environment; import android.os.Looper; import android.util.Log; import android.widget.Toast; import com.umeng.analytics.MobclickAgent; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.io.StringWriter; import java.io.Writer; import java.lang.reflect.Field; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.Map; import ml.puredark.hviewer.HViewerApplication; import ml.puredark.hviewer.helpers.Logger; import ml.puredark.hviewer.utils.EmailUtil; import ml.puredark.hviewer.utils.SharedPreferencesUtil; import ml.puredark.hviewer.utils.SimpleFileUtil; /** * @author Stay * 在Application中统一捕获异常,保存到文件中下次再打开时上传 */ public class CrashHandler implements Thread.UncaughtExceptionHandler { /** * CrashHandler实例 */ private static CrashHandler INSTANCE; /** * 系统默认的UncaughtException处理类 */ private Thread.UncaughtExceptionHandler mDefaultHandler; /** * 程序的Context对象 */ private Context mContext; private Map<String, String> infos = new HashMap<>(); /** * 保证只有一个CrashHandler实例 */ private CrashHandler() { } /** * 获取CrashHandler实例 ,单例模式 */ public static CrashHandler getInstance() { if (INSTANCE == null) { INSTANCE = new CrashHandler(); } return 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 * * @param ctx */ public void init(Context ctx) { mContext = ctx; mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler(); Thread.setDefaultUncaughtExceptionHandler(this); boolean unuploadedLog = (boolean) SharedPreferencesUtil.getData(mContext, "unupload_log", false); final String filePath = (String) SharedPreferencesUtil.getData(mContext, "unupload_log_file_path", ""); if (unuploadedLog) { final File file = new File(filePath); if (file.exists()) { new Thread(new Runnable() { @Override public void run() { if (!HViewerApplication.DEBUG) { EmailUtil.sendEmail(EmailUtil.fromEmail, "v" + HViewerApplication.getVersionName() + " " + file.getName(), SimpleFileUtil.readString(filePath, "utf-8")); } else SharedPreferencesUtil.saveData(mContext, "unupload_log", false); } }).start(); } else { SharedPreferencesUtil.saveData(mContext, "unupload_log", false); } } } /** * 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 { //如果自己处理了异常,则不会弹出错误对话框,则需要手动退出app if (!(ex instanceof OutOfMemoryError)) { try { Thread.sleep(3000); } catch (InterruptedException e) { } if (!HViewerApplication.DEBUG) { MobclickAgent.onKillProcess(mContext); android.os.Process.killProcess(android.os.Process.myPid()); System.exit(10); } else mDefaultHandler.uncaughtException(thread, ex); } } } /** * 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代表处理该异常,不再向上抛异常, * false代表不处理该异常(可以将该log信息存储起来)然后交给上层(这里就到了系统的异常处理)去处理, * 简单来说就是true不会弹出那个错误提示框,false就会弹出 */ private boolean handleException(final Throwable ex) { if (ex == null) { return false; } if (ex instanceof OutOfMemoryError) { // OOM一般是解码Bitmap造成的,不影响程序继续运行 return true; } //使用Toast来显示异常信息 new Thread() { @Override public void run() { Looper.prepare(); Toast.makeText(mContext, "程序出错,即将退出,报告已发送", Toast.LENGTH_LONG).show(); //添加信息发送或本地保存 getMobileInfo();//获取手机信息 getVersionInfo();//获取版本信息 getErrorInfo(ex);//获取错误信息 saveInfo2File(); Looper.loop(); } }.start(); if (HViewerApplication.DEBUG) ex.printStackTrace(); Logger.d("CrashHandler", "catched"); MobclickAgent.reportError(mContext, ex); return true; } /** * 获取异常信息 * * @param e * @return 异常信息 */ private void getErrorInfo(Throwable e) { Writer writer = new StringWriter(); PrintWriter pw = new PrintWriter(writer); e.printStackTrace(pw); pw.flush(); String error = writer.toString(); infos.put("error information", error); try { pw.close(); writer.close(); } catch (IOException e1) { e1.printStackTrace(); } } /** * 获取设备信息 * * @return */ private String getMobileInfo() { StringBuffer sb = new StringBuffer(); //通过反射获取设备信息 try { Field[] fields = Build.class.getDeclaredFields(); for (Field field : fields) { field.setAccessible(true); infos.put(field.getName(), field.get(null).toString()); } } catch (IllegalArgumentException e) { e.printStackTrace(); Log.e("UncaughtHandler", "has IllegalArgument error at method 'getMobileInfo()'"); } catch (IllegalAccessException e) { e.printStackTrace(); Log.e("UncaughtHandler", "has IllegalAccess error at method 'getMobileInfo()'"); } return sb.toString(); } /** * 获取手机 * * @return */ private void getVersionInfo() { try { PackageManager pm = mContext.getPackageManager(); PackageInfo pi = pm.getPackageInfo(mContext.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 (Exception e) { e.printStackTrace(); Log.e("UncaughtHandler", "has error at method 'getVersionInfo()'"); } } private void saveInfo2File() { StringBuffer buffer = new StringBuffer(); for (Map.Entry<String, String> entry : infos.entrySet()) { buffer.append(entry.getKey() + " = " + entry.getValue()); buffer.append("\n"); } String time = new SimpleDateFormat("yyyy-MM-dd-hh-mm-ss").format(new Date(System.currentTimeMillis())); if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { String path = mContext.getCacheDir().getAbsolutePath(); String name = "crash-" + time + ".log"; String filePath = path + File.separator + name; SimpleFileUtil.createIfNotExist(filePath); try { SimpleFileUtil.writeString(filePath, buffer.toString(), "utf-8"); SharedPreferencesUtil.saveData(mContext, "unupload_log", true); SharedPreferencesUtil.saveData(mContext, "unupload_log_file_path", filePath); Logger.d("CrashHandler", "get"); } catch (Exception e) { e.printStackTrace(); Logger.e("UncaughtHandler", "an error occured while writing file...", e); } } } }