public class HKBaseApplication extends Application {
// activity对象列表,用于activity统一管理 private List<Activity> activityList;
// 异常捕获 protected boolean isNeedCaughtExeption = true;
// 是否捕获未知异常 private PendingIntent restartIntent;
private MyUncaughtExceptionHandler uncaughtExceptionHandler;
private String packgeName;
@Override public void onCreate() {
super.onCreate();
activityList = new ArrayList<Activity>();
packgeName = getPackageName();
if (isNeedCaughtExeption) {
cauchException();
}
}
// -------------------异常捕获-----捕获异常后重启系统-----------------// private void cauchException() {
Intent intent = new Intent();
// 参数1：包名，参数2：程序入口的activity intent.setClassName(packgeName, packgeName + ".LoginActivity");
restartIntent = PendingIntent.getActivity(getApplicationContext(), -1, intent, Intent.FLAG_ACTIVITY_NEW_TASK);
// 程序崩溃时触发线程 uncaughtExceptionHandler = new MyUncaughtExceptionHandler();
Thread.setDefaultUncaughtExceptionHandler(uncaughtExceptionHandler);
}
// 创建服务用于捕获崩溃异常 private class MyUncaughtExceptionHandler implements UncaughtExceptionHandler {
@Override public void uncaughtException(Thread thread, Throwable ex) {
// 保存错误日志 saveCatchInfo2File(ex);
// 1秒钟后重启应用 AlarmManager mgr = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 1000, restartIntent);
// 关闭当前应用 finishAllActivity();
finishProgram();
}
}
;
/** * 保存错误信息到文件中 * * @return 返回文件名称 */ private String saveCatchInfo2File(Throwable ex) {
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 sb = writer.toString();
try {
DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
String time = formatter.format(new Date());
String fileName = time + ".txt";
System.out.println("fileName:" + fileName);
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
String filePath = Environment.getExternalStorageDirectory() + "/HKDownload/" + packgeName + "/crash/";
File dir = new File(filePath);
if (!dir.exists()) {
if (!dir.mkdirs()) {
// 创建目录失败: 一般是因为SD卡被拔出了 return "";
}
}
System.out.println("filePath + fileName:" + filePath + fileName);
FileOutputStream fos = new FileOutputStream(filePath + fileName);
fos.write(sb.getBytes());
fos.close();
//文件保存完了之后,在应用下次启动的时候去检查错误日志,发现新的错误日志,就发送给开发者 }
return fileName;
}
catch (Exception e) {
System.out.println("an error occured while writing file..." + e.getMessage());
}
return null;
}
// ------------------------------activity管理-----------------------// // activity管理：从列表中移除activity public void removeActivity(Activity activity) {
activityList.remove(activity);
}
// activity管理：添加activity到列表 public void addActivity(Activity activity) {
activityList.add(activity);
}
// activity管理：结束所有activity public void finishAllActivity() {
for (Activity activity : activityList) {
if (null != activity) {
activity.finish();
}
}
}
// 结束线程,一般与finishAllActivity()一起使用 // 例如: finishAllActivity;
finishProgram();
public void finishProgram() {
android.os.Process.killProcess(android.os.Process.myPid());
}
}