百度地图添加overlay出现问题

Question

有个对象的实例是null，一个一个去找。

Answer 1

10-28 05:41:22.594: E/SQLiteDatabase(15213): android.database.sqlite.SQLiteCantOpenDatabaseException: unable to open database file
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at android.database.sqlite.SQLiteDatabase.dbopen(Native Method)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1013)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:986)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:962)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:1043)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at com.baidu.location.av$b.a(Unknown Source)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at com.baidu.location.av$b.doInBackground(Unknown Source)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at android.os.AsyncTask$2.call(AsyncTask.java:264)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at java.util.concurrent.FutureTask.run(FutureTask.java:137)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:208)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
10-28 05:41:22.594: E/SQLiteDatabase(15213):  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
那这个呢，我并没有用到数据库啊