我的应用程序使用应用内搜索，针对每个请求动态构建搜索建议，将它们放入 aMatrixCursor并返回要显示的建议。此处有关搜索建议的信息：http:
//developer.android.com/guide/topics/search/adding-custom-suggestions.html
这在 2.1-update1 中工作得非常好，但是当我在 2.2 手机上加载它时，我在尝试搜索时遇到了一个致命错误。以下是相关日志：
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): error changing cursor and caching columns
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): java.lang.NumberFormatException: My String Message
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at java.lang.Long.parse(Long.java:364)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at java.lang.Long.parseLong(Long.java:354)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at java.lang.Long.parseLong(Long.java:320)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.database.MatrixCursor.getLong(MatrixCursor.java:255)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.database.CursorWrapper.getLong(CursorWrapper.java:127)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.widget.CursorAdapter.getItemId(CursorAdapter.java:156)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.widget.AutoCompleteTextView.buildDropDown(AutoCompleteTextView.java:1248)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.widget.AutoCompleteTextView.showDropDown(AutoCompleteTextView.java:1137)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.widget.AutoCompleteTextView.updateDropDownForFilter(AutoCompleteTextView.java:1019)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.widget.AutoCompleteTextView.onFilterComplete(AutoCompleteTextView.java:1002)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.app.SearchDialog.onDataSetChanged(SearchDialog.java:612)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.app.SuggestionsAdapter.notifyDataSetChanged(SuggestionsAdapter.java:193)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.widget.CursorAdapter.changeCursor(CursorAdapter.java:260)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.app.SuggestionsAdapter.changeCursor(SuggestionsAdapter.java:238)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.widget.CursorFilter.publishResults(CursorFilter.java:67)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.widget.Filter$ResultsHandler.handleMessage(Filter.java:282)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.os.Handler.dispatchMessage(Handler.java:99)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.os.Looper.loop(Looper.java:123)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at android.app.ActivityThread.main(ActivityThread.java:4627)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at java.lang.reflect.Method.invokeNative(Native Method)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at java.lang.reflect.Method.invoke(Method.java:521)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
07-22 12:13:05.935: ERROR/SuggestionsAdapter(1028): at dalvik.system.NativeStart.main(Native Method)
07-22 12:13:05.935: DEBUG/AndroidRuntime(1028): Shutting down VM
07-22 12:13:05.935: WARN/dalvikvm(1028): threadid=1: thread exiting with uncaught exception (group=0x4001d7f0)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): FATAL EXCEPTION: main
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): java.lang.NumberFormatException: My String Message
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at java.lang.Long.parse(Long.java:364)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at java.lang.Long.parseLong(Long.java:354)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at java.lang.Long.parseLong(Long.java:320)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.database.MatrixCursor.getLong(MatrixCursor.java:255)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.database.CursorWrapper.getLong(CursorWrapper.java:127)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.widget.CursorAdapter.getItemId(CursorAdapter.java:156)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.widget.AutoCompleteTextView.buildDropDown(AutoCompleteTextView.java:1248)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.widget.AutoCompleteTextView.showDropDown(AutoCompleteTextView.java:1137)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.widget.AutoCompleteTextView.updateDropDownForFilter(AutoCompleteTextView.java:1019)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.widget.AutoCompleteTextView.onFilterComplete(AutoCompleteTextView.java:1002)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.widget.Filter$ResultsHandler.handleMessage(Filter.java:285)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.os.Handler.dispatchMessage(Handler.java:99)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.os.Looper.loop(Looper.java:123)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at android.app.ActivityThread.main(ActivityThread.java:4627)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at java.lang.reflect.Method.invokeNative(Native Method)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at java.lang.reflect.Method.invoke(Method.java:521)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
07-22 12:13:05.945: ERROR/AndroidRuntime(1028): at dalvik.system.NativeStart.main(Native Method)
其中“我的字符串消息”是作为游标中的建议返回的第一行（仅在这种情况下）的 SUGGEST_COLUMN_TEXT_1 字段的值。堆栈跟踪根本没有触及我的代码，并且在调试器中跟踪它显示错误发生在我在搜索建议内容提供程序中返回建议光标后的一段时间。
为什么他们的适配器突然试图将 String 解释为 Long？有人遇到过这种情况么？
谢谢！