当我开发一个Android应用程序时,我遇到了一个我没有任何线索的异常; 我搜索了相关主题,但没有一个帮助.
Fatal Exception: java.util.ConcurrentModificationException
java.util.HashMap$HashIterator.nextEntry (HashMap.java:806)
java.util.HashMap$KeyIterator.next (HashMap.java:833)
com.android.internal.util.XmlUtils.writeSetXml (XmlUtils.java:298)
com.android.internal.util.XmlUtils.writeValueXml (XmlUtils.java:447)
com.android.internal.util.XmlUtils.writeMapXml (XmlUtils.java:241)
com.android.internal.util.XmlUtils.writeMapXml (XmlUtils.java:181)
android.app.SharedPreferencesImpl.writeToFile (SharedPreferencesImpl.java:596)
android.app.SharedPreferencesImpl.access$800 (SharedPreferencesImpl.java:52)
android.app.SharedPreferencesImpl$2.run (SharedPreferencesImpl.java:511)
java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1112)
java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:587)
java.lang.Thread.run (Thread.java:841)