java.lang.RuntimeException: Unable to start activity ComponentInfo{com.xxx...}: java.lang.IllegalStateException: Couldn't read row 0, col -1 from CursorWindow. Make sure the Cursor is initialized correctly before accessing data from it.
要检查列名拼写！列名拼写错误也是导致这个异常发生的原因之一。
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转载于:https://www.cnblogs.com/json91/p/5302984.html