出现Could not allocate CursorWindow of size due to error -12.错误的解决方案

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E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.
E/CursorWindow( 2703): Could not allocate CursorWindow ‘/data/data/com.navitag/databases/navitel_tracker_db’ of size 2097152 due to error -12.

Sqlite查询操作使用完的Cursor未关闭导致的问题。
解决办法：把项目中所有查询用到的Cursor在用完后设置cursor.close();

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