Make sure the Cursor is initialized correctly before accessing data from it 详细错误是:java.lang.IllegalStateException: Couldn't read row 0, col 2 from CursorWindow.  Make sure the Cursor is initialized correctly before accessing data from it.出现这个原因是因为我在获…

Android中操作Sqlite遇到的错误:java.lang.IllegalStateException: Couldn't read row 1, col 0 from CursorWindow.  Make sure the Cursor is initialized correctly before accessing data from it. 常见的错误原因解决: 错误1:请求的字段在数据库的表中不存在,一般是大小写没写对. 错误2:编程的中途改变表的字段,实际字段并没有改变,解决方…

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…

Transferring Data Using Sync Adapters GET STARTED DEPENDENCIES AND PREREQUISITES Android 2.1 (API Level 7) or higher YOU SHOULD ALSO READ Bound Services Content Providers Creating a Custom Account Type TRY IT OUT Download the sample BasicSyncAdapter.…

先看一个实例: String[] projection = { MediaStore.Images.Thumbnails._ID ,MediaStore.Images.Thumbnails.DATA}; Cursor cursor = mActivity.getContentResolver().query( MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI,//指定缩略图数据库的Uri projection,//指定所要查询的字段 MediaS…

解决此问题 以下方法每次都需要执行命令2才能更新 1.创建assets目录 mkdir android/app/src/main/assets 2.执行命令 react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/mai…

curl -k 'http://localhost:8081/index.android.bundle?platform=android' > android/app/src/main/assets/index.android.bundle      在项目根目录中(即index.js)所在位置,输入前面的指令,得到以下有值的就成功了,…

我的收藏 他山之石,可以攻玉 转载请注明出处:https://ahangchen.gitbooks.io/windy-afternoon/content/ 开发过程中收藏在Chrome书签栏里的技术文章,与自己的文章分开. 主要涉及python,android,ubuntu等内容,我自己常常在这里面找回忘了的知识. Chrome书签导出markdown的方法可以在这里查看 python What's New In Python 3.0 - Python v3.1.5 documentation…

异常:Java.Lang.IllegalStateException: Couldn't read row 0, col -1 from CursorWindow.  Make sure the Cursor is initialized correctly before accessing data from it. 出现该问题一般分为两种情况: 1.请求的字段不在表中,可能是大小写没写对.(我就是Id写成id出现的错误) 2.字段类型不匹配.…

java.lang.IllegalStateException: Couldn't read row 0, col -1 from CursorWindow.  Make sure the Cursor is initialized correctly before accessing data from it. c.getString(c.getColumnIndex("_ID")//字段名称不正确…