我有一台Alcatel One Touch 7040,当我测试我的osmdroid样本时,地图不会渲染.我已经在其他设备上进行了测试,地图正确地渲染,只有在这个设备上它们不是.我以为我的设备内存很低,所以我从我的设备中删除了一些应用程序,仍然没有任何改进,有人可以告诉我可能是什么原因？
以下是我的logcat(由于超出了字数限制,它的某些部分已被删除):
10-17 23:03:27.688 26424-26424/marine.com.osmsample I/OsmDroid: Using tile source: Mapnik
10-17 23:03:27.702 26424-26424/marine.com.osmsample E/OsmDroid: unable to create a nomedia file. downloaded tiles may be visible to the gallery. open failed: ENOENT (No such file or directory)
10-17 23:03:27.715 26424-26424/marine.com.osmsample E/SQLiteLog: (14) cannot open file at line 30202 of [00bb9c9ce4]
10-17 23:03:27.715 26424-26424/marine.com.osmsample E/SQLiteLog: (14) os_unix.c:30202: (2) open(/storage/sdcard0/osmdroid/tiles/cache.db) -
10-17 23:03:27.729 26424-26424/marine.com.osmsample E/SQLiteDatabase: Failed to open database '/storage/sdcard0/osmdroid/tiles/cache.db'.
android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database
at …