本文介绍了柱_id不存在的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

在我的logcat错误就是这样

logcat的

  8月8号至29号:20:57.961:ERROR / AndroidRuntime(1766):java.lang.RuntimeException的:无法启动的活动ComponentInfo {one.two / one.two.Booking} :java.lang.IllegalArgumentException:如果列'_id'不存在
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2268)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2284)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.app.ActivityThread.access $ 1800(ActivityThread.java:112)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1692)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.os.Handler.dispatchMessage(Handler.java:99)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.os.Looper.loop(Looper.java:123)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.app.ActivityThread.main(ActivityThread.java:3948)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在java.lang.reflect.Method.invokeNative(本机方法)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在java.lang.reflect.Method.invoke(Method.java:521)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:782)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在dalvik.system.NativeStart.main(本机方法)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):java.lang.IllegalArgumentException异常:产生的原因列'_id'不存在
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.database.AbstractCursor.getColumnIndexOrThrow(AbstractCursor.java:314)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.widget.CursorAdapter.init(CursorAdapter.java:111)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.widget.CursorAdapter< INIT>(CursorAdapter.java:90)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.widget.ResourceCursorAdapter< INIT>(ResourceCursorAdapter.java:47)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.widget.SimpleCursorAdapter< INIT>(SimpleCursorAdapter.java:85)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在one.two.Booking.onCreate(Booking.java:34)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)
八月八日至29日:20:57.961:ERROR / AndroidRuntime(1766):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2231)
 

我DBAdapter.java的一部分

 公共无效的onCreate(包savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        DB =新DBAdapter(本);
        db.open();
        的setContentView(R.layout.booking);
        / *长的ID;
        ID = db.insertTime(
        新的String(08:00)); * /
        光标s​​pinnerCursor = db.getSpinnerData();
        startManagingCursor(spinnerCursor);
        微调colourSpinner =(微调)findViewById(R.id.spinner);
 

创建数据库的

 包one.two;


进口java.io.IOException异常;

进口android.content.ContentValues​​;
进口android.content.Context;
进口android.database.Cursor;
进口android.database.SQLException;
进口android.database.sqlite.SQLiteDatabase;
进口android.database.sqlite.SQLiteException;
进口android.database.sqlite.SQLiteOpenHelper;
进口android.util.Log;

公共类DBAdapter
{
    私有静态字符串DB_PATH =/data/data/one.two/databases/;
    私有静态字符串DB_NAME =irsyad;

    //值登录表
    公共静态最后弦乐KEY_ROWID =_id;
    公共静态最后弦乐KEY_USERNAME =用户名;
    公共静态最后弦乐KEY_PASSWORD =密码;
    公共静态最后弦乐KEY_LNAME =姓;
    公共静态最后弦乐KEY_FNAME =姓;

    公共静态最后弦乐KEY_ROWID2 =_id;
    公共静态最后弦乐KEY_STATUS =状态;
    公共静态最后弦乐KEY_DESTINATION =目的地;
    公共静态最后弦乐KEY_ARRIVAL =到来;
    公共静态最后弦乐KEY_FERRY =摆渡

    私有静态最后字符串变量=DBAdapter;

    //声明数据库名,表名
    私有静态最后弦乐DATABASE_NAME =irsyad;
    私有静态最后弦乐DATABASE_TABLE =用户;
    私有静态最后弦乐DATABASE_TABLE_2 =口;
    私有静态最终诠释DATABASE_VERSION = 1;

    //声明了数据库表中的规则
    私有静态最后弦乐DATABASE_CREATE =
        创建表的用户(_id整数主键自动增量,
        +用户名文本不为空,密码文本不为空,
        +姓氏文字不为空,名字文本不为空);;

    私有静态最后弦乐DATABASE_CREATE_2 =
        创建表的端口(_id整数主键自动增量,
        +状态文本空,目标文本空,
        +的到来文字空,轮渡文本NULL);;

    私人最终上下文的背景下;

    私人DatabaseHelper DBHelper;
    私人SQLiteDatabase分贝;

    公共DBAdapter(上下文CTX)
    {
        this.context = CTX;
        DBHelper =新DatabaseHelper(上下文);
    }

    私有静态类DatabaseHelper扩展SQLiteOpenHelper
    {
        DatabaseHelper(上下文的背景下)
        {
            超(背景下,DATABASE_NAME,空,DATABASE_VERSION);
        }

        //创建表与我们设定的规则。
        @覆盖
        公共无效的onCreate(SQLiteDatabase DB)
        {
            db.execSQL(DATABASE_CREATE);
            db.execSQL(DATABASE_CREATE_2);
        }

        // OnUpgrade仅用于当u改变数据库的版本2等。
        @覆盖
        公共无效onUpgrade(SQLiteDatabase分贝,INT oldVersion,
        INT动态网页)
        {
            Log.w(TAG,从版本升级数据库+ oldVersion
                    +来
                    +动态网页+,这将销毁所有旧数据);
            db.execSQL(DROP TABLE IF EXISTS端口);
            的onCreate(DB);
        }
    }

    // ---打开数据库---
    公共DBAdapter的open()抛出的SQLException
    {
        DB = DBHelper.getWritableDatabase();
        回到这一点;
    }

    // ---关闭数据库---
    公共无效的close()
    {
        DBHelper.close();
    }

    //方法插入登录信息,可用于其他Java文件时DBAdapter是
    //在java文件中声明。例如DBAdapter DB =新DBAdapter(本);
    众长insertUser(用户名字符串,字符串密码,串名字,字符串姓)
    {
        ContentValues​​ initialValues​​ =新ContentValues​​();
        initialValues​​.put(KEY_USERNAME,用户名);
        initialValues​​.put(KEY_PASSWORD,密码);
        initialValues​​.put(KEY_LNAME,姓氏);
        initialValues​​.put(KEY_FNAME,名字);
        返回db.insert(DATABASE_TABLE,空,initialValues​​);
    }
   / *众长insertTime(字符串到达​​)
    {
    ContentValues​​初值=新ContentValues​​();
    initialValue.put(KEY_ARRIVAL,到达);
    返回db.insert(DATABASE_TABLE_2,KEY_ARRIVAL,初值);
    } * /

    // ---删除特定的标题---
    公共布尔deleteUser(长ROWID)
    {
        返回db.delete(DATABASE_TABLE,KEY_ROWID +
                =+ ROWID,NULL)> 0;
    }

    //方法从数据库中检索所有的投入
    公共光标getAllUser()
    {
        返回db.query(DATABASE_TABLE,新的String [] {
                KEY_ROWID,
                KEY_USERNAME,
                KEY_PASSWORD,
                KEY_LNAME,
                KEY_FNAME,},
                空值,
                空值,
                空值,
                空值,
                空值);
    }

    公共光标getAllData()
    {
        返回db.query(DATABASE_TABLE_2,新的String [] {
                KEY_ROWID2,
                KEY_STATUS,
                KEY_DESTINATION,
                KEY_ARRIVAL,
                KEY_FERRY,},
                空值,
                空值,
                空值,
                空值,
                空值);
    }

    // ---检索特定的标题---
    公共光标的getUser(长ROWID)抛出的SQLException
    {
        光标mCursor =
                db.query(真,DATABASE_TABLE,新的String [] {
                        KEY_ROWID,
                        KEY_USERNAME,
                        KEY_PASSWORD,
                        KEY_LNAME,
                        KEY_FNAME,},
                        KEY_ROWID +=+ ROWID,
                        空值,
                        空值,
                        空值,
                        空值,
                        空值);
        如果(mCursor!= NULL){
            mCursor.moveToFirst();
        }
        返回mCursor;
    }

    公共光标getSpinnerData()抛出的SQLException
    {
        光标mCursor =
                db.query(DATABASE_TABLE_2,新的String [] {
                        KEY_ARRIVAL,},
                        空值,
                        空值,
                        空值,
                        空值,
                        空值);
        如果(mCursor!= NULL){
            mCursor.moveToFirst();
        }
        返回mCursor;
    }

    // ---更新一个标题---
    公共布尔UpdateUser两个(长ROWID,字符串用户名,密码字符串,字符串姓氏,字符串姓)
    {
        ContentValues​​的args =新ContentValues​​();
        args.put(KEY_USERNAME,用户名);
        args.put(KEY_PASSWORD,密码);
        args.put(KEY_LNAME,姓氏);
        args.put(KEY_FNAME,名字);
        返回db.update(DATABASE_TABLE,指定参数时,
                         KEY_ROWID +=+ ROWID,NULL)> 0;
    }

    私人布尔checkDataBase()
    {

        SQLiteDatabase CHECKDB = NULL;

        尝试
        {
            字符串mypath中= DB_PATH + DB_NAME;
            CHECKDB = SQLiteDatabase.openDatabase(mypath中,空,SQLiteDatabase.OPEN_READWRITE);

        }
        赶上(SQLiteException E)
        {
            //数据库的简化版,存在。
        }

        如果(CHECKDB!= NULL)
        {
            checkDB.close();
        }

        返回CHECKDB!= NULL?真假;
    }

    公共无效的CreateDatabase()抛出IOException异常
    {

        布尔dbExist = checkDataBase();

        如果(dbExist)
        {
            //什么也不做 - 数据库中已存在
        }
        其他
        {
             db.execSQL(DATABASE_CREATE);
             db.execSQL(DATABASE_CREATE_2);

        }
    }
}
 

解决方案

您不包括 _id 在列列表,你在做查询 getSpinnerData()

the error in my logcat is such

Logcat

08-29 08:20:57.961: ERROR/AndroidRuntime(1766): java.lang.RuntimeException: Unable to start activity ComponentInfo{one.two/one.two.Booking}: java.lang.IllegalArgumentException: column '_id' does not exist
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2268)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2284)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.app.ActivityThread.access$1800(ActivityThread.java:112)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1692)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.os.Handler.dispatchMessage(Handler.java:99)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.os.Looper.loop(Looper.java:123)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.app.ActivityThread.main(ActivityThread.java:3948)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at java.lang.reflect.Method.invokeNative(Native Method)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at java.lang.reflect.Method.invoke(Method.java:521)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at dalvik.system.NativeStart.main(Native Method)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766): Caused by: java.lang.IllegalArgumentException: column '_id' does not exist
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.database.AbstractCursor.getColumnIndexOrThrow(AbstractCursor.java:314)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.widget.CursorAdapter.init(CursorAdapter.java:111)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.widget.CursorAdapter.<init>(CursorAdapter.java:90)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.widget.ResourceCursorAdapter.<init>(ResourceCursorAdapter.java:47)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.widget.SimpleCursorAdapter.<init>(SimpleCursorAdapter.java:85)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at one.two.Booking.onCreate(Booking.java:34)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)
08-29 08:20:57.961: ERROR/AndroidRuntime(1766):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2231)

Part of my DBAdapter.java

public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        db = new DBAdapter(this);
        db.open();
        setContentView(R.layout.booking);
        /*long id;
        id = db.insertTime(
        new String("08:00")); */
        Cursor spinnerCursor = db.getSpinnerData();
        startManagingCursor(spinnerCursor);
        Spinner colourSpinner = (Spinner) findViewById(R.id.spinner);

Creation of DB

package one.two;


import java.io.IOException;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;

public class DBAdapter
{
    private static String DB_PATH = "/data/data/one.two/databases/";
    private static String DB_NAME = "irsyad";

    //values for the login table
    public static final String KEY_ROWID = "_id";
    public static final String KEY_USERNAME = "Username";
    public static final String KEY_PASSWORD = "Password";
    public static final String KEY_LNAME = "LastName";
    public static final String KEY_FNAME ="FirstName";

    public static final String KEY_ROWID2 = "_id";
    public static final String KEY_STATUS = "status";
    public static final String KEY_DESTINATION = "destination";
    public static final String KEY_ARRIVAL = "arrival";
    public static final String KEY_FERRY ="ferry";

    private static final String TAG = "DBAdapter";

    //declare Database name, tables names
    private static final String DATABASE_NAME = "irsyad";
    private static final String DATABASE_TABLE = "User";
    private static final String DATABASE_TABLE_2 = "port";
    private static final int DATABASE_VERSION = 1;

    //declares the rules for the database tables
    private static final String DATABASE_CREATE =
        "create table user (_id integer primary key autoincrement, "
        + "Username text not null, Password text not null,"
        + "LastName text not null, FirstName text not null);";

    private static final String DATABASE_CREATE_2 =
        "create table port (_id integer primary key autoincrement, "
        + "status text null, destination text null,"
        + "arrival text null, ferry text null);";

    private final Context context;

    private DatabaseHelper DBHelper;
    private SQLiteDatabase db;

    public DBAdapter(Context ctx)
    {
        this.context = ctx;
        DBHelper = new DatabaseHelper(context);
    }

    private static class DatabaseHelper extends SQLiteOpenHelper
    {
        DatabaseHelper(Context context)
        {
            super(context, DATABASE_NAME, null, DATABASE_VERSION);
        }

        //Create the tables with the rules we set.
        @Override
        public void onCreate(SQLiteDatabase db)
        {
            db.execSQL(DATABASE_CREATE);
            db.execSQL(DATABASE_CREATE_2);
        }

        //OnUpgrade is only for use when u changed the database's version to 2 etc.
        @Override
        public void onUpgrade(SQLiteDatabase db, int oldVersion,
        int newVersion)
        {
            Log.w(TAG, "Upgrading database from version " + oldVersion
                    + " to "
                    + newVersion + ", which will destroy all old data");
            db.execSQL("DROP TABLE IF EXISTS port");
            onCreate(db);
        }
    }

    //---opens the database---
    public DBAdapter open() throws SQLException
    {
        db = DBHelper.getWritableDatabase();
        return this;
    }

    //---closes the database---
    public void close()
    {
        DBHelper.close();
    }

    //Method for inserting login details, can be used in other java files when DBAdapter is
    //declared in the java file. e.g. DBAdapter db = new DBAdapter(this);
    public long insertUser(String Username, String Password, String LastName, String FirstName)
    {
        ContentValues initialValues = new ContentValues();
        initialValues.put(KEY_USERNAME, Username);
        initialValues.put(KEY_PASSWORD, Password);
        initialValues.put(KEY_LNAME, LastName);
        initialValues.put(KEY_FNAME, FirstName);
        return db.insert(DATABASE_TABLE, null, initialValues);
    }
   /* public long insertTime(String arrival)
    {
    ContentValues initialValue = new ContentValues();
    initialValue.put(KEY_ARRIVAL, arrival);
    return db.insert(DATABASE_TABLE_2, KEY_ARRIVAL, initialValue);
    }*/

    //---deletes a particular title---
    public boolean deleteUser(long rowId)
    {
        return db.delete(DATABASE_TABLE, KEY_ROWID +
                "=" + rowId, null) > 0;
    }

    //method for retrieving all the inputs from database
    public Cursor getAllUser()
    {
        return db.query(DATABASE_TABLE, new String[] {
                KEY_ROWID,
                KEY_USERNAME,
                KEY_PASSWORD,
                KEY_LNAME,
                KEY_FNAME,},
                null,
                null,
                null,
                null,
                null);
    }

    public Cursor getAllData()
    {
        return db.query(DATABASE_TABLE_2, new String[] {
                KEY_ROWID2,
                KEY_STATUS,
                KEY_DESTINATION,
                KEY_ARRIVAL,
                KEY_FERRY,},
                null,
                null,
                null,
                null,
                null);
    }

    //---retrieves a particular title---
    public Cursor getUser(long rowId) throws SQLException
    {
        Cursor mCursor =
                db.query(true, DATABASE_TABLE, new String[] {
                        KEY_ROWID,
                        KEY_USERNAME,
                        KEY_PASSWORD,
                        KEY_LNAME,
                        KEY_FNAME,},
                        KEY_ROWID + "=" + rowId,
                        null,
                        null,
                        null,
                        null,
                        null);
        if (mCursor != null) {
            mCursor.moveToFirst();
        }
        return mCursor;
    }

    public Cursor getSpinnerData() throws SQLException
    {
        Cursor mCursor =
                db.query(DATABASE_TABLE_2, new String[] {
                        KEY_ARRIVAL,},
                        null,
                        null,
                        null,
                        null,
                        null);
        if (mCursor != null) {
            mCursor.moveToFirst();
        }
        return mCursor;
    }

    //---updates a title---
    public boolean updateUser(long rowId, String Username, String Password, String LastName, String FirstName)
    {
        ContentValues args = new ContentValues();
        args.put(KEY_USERNAME, Username);
        args.put(KEY_PASSWORD, Password);
        args.put(KEY_LNAME, LastName);
        args.put(KEY_FNAME, FirstName);
        return db.update(DATABASE_TABLE, args,
                         KEY_ROWID + "=" + rowId, null) > 0;
    }

    private boolean checkDataBase()
    {

        SQLiteDatabase checkDB = null;

        try
        {
            String myPath = DB_PATH + DB_NAME;
            checkDB = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READWRITE);

        }
        catch(SQLiteException e)
        {
            //database does't exist yet.
        }

        if(checkDB != null)
        {
            checkDB.close();
        }

        return checkDB != null ? true : false;
    }

    public void createDataBase() throws IOException
    {

        boolean dbExist = checkDataBase();

        if(dbExist)
        {
            //do nothing - database already exist
        }
        else
        {
             db.execSQL(DATABASE_CREATE);
             db.execSQL(DATABASE_CREATE_2);

        }
    }
}
解决方案

You are not including _id in your column list for the query you do in getSpinnerData().

这篇关于柱_id不存在的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

08-21 05:00