您能帮您解决缺少列的问题吗?在我看来,我所做的一切都正确,但是我收到一个错误,即一栏有问题。
错误
E / SQLiteLog:(1)没有这样的列:Stezenie D / AndroidRuntime:正在关闭VM E / AndroidRuntime:FATAL EXCEPTION:main 流程:com.example.apkadlapacjenta,PID:11261 java.lang.RuntimeException:无法启动活动ComponentInfo {com.example.apkadlapacjenta / com.example.apkadlapacjenta.HistoriaPomiarow}: android.database.sqlite.SQLiteException:无此类列:Stezenie (代码1 SQLITE_ERROR):,而在编译时:SELECT ID,Stezenie,Zegar, 来自项的数据,Posilek,Stres,Samopoczucie,Hiperglikemia 在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270) 在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409) 在android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83) 在android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 在android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:2016) 在android.os.Handler.dispatchMessage(Handler.java:107) 在android.os.Looper.loop(Looper.java:214) 在android.app.ActivityThread.main(ActivityThread.java:7356) 在java.lang.reflect.Method.invoke(本机方法) 在com.android.internal.os.RuntimeInit $ MethodAndArgsCaller.run(RuntimeInit.java:492) 在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930) 引起原因:android.database.sqlite.SQLiteException:无此类列:Stezenie(代码1 SQLITE_ERROR):,而编译时:SELECT ID, Stezenie,Zegar,数据,Posilek,Stres,Samopoczucie,Hiperglikemia 从Pomiary 在android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native 方法) 在android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:986) 在android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:593) 在android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:590) 在android.database.sqlite.SQLiteProgram。(SQLiteProgram.java:61) 在android.database.sqlite.SQLiteQuery。(SQLiteQuery.java:37) 在android.database.sqlite.SQLiteDirectCursorDriver.query(SQLiteDirectCursorDriver.java:46) 在android.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1443) 在android.database.sqlite.SQLiteQueryBuilder.query(SQLiteQueryBuilder.java:515) 在android.database.sqlite.SQLiteQueryBuilder.query(SQLiteQueryBuilder.java:392) at com.example.apkadlapacjenta.DbMenager.Query(DbMenager.kt:65) 在com.example.apkadlapacjenta.HistoriaPomiarow.LoadQuery(HistoriaPomiarow.kt:55) 在com.example.apkadlapacjenta.HistoriaPomiarow.onCreate(HistoriaPomiarow.kt:33) 在android.app.Activity.performCreate(Activity.java:7802) 在android.app.Activity.performCreate(Activity.java:7791) 在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1299) 在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245) 在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409) 在android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83) 在android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 在android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:2016) 在android.os.Handler.dispatchMessage(Handler.java:107) 在android.os.Looper.loop(Looper.java:214) 在android.app.ActivityThread.main(ActivityThread.java:7356) 在java.lang.reflect.Method.invoke(本机方法) 在com.android.internal.os.RuntimeInit $ MethodAndArgsCaller.run(RuntimeInit.java:492) 在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930) I / Process:正在发送信号。 PID:11261 SIG:9与 目标VM,地址:“ localhost:8630”,传输:“ socket”
主要活动
package com.example.apkadlapacjenta
import android.annotation.SuppressLint
import android.app.AlertDialog
import android.app.SearchManager
import android.content.Context
import android.content.Intent
import android.os.Bundle
import android.view.Menu
import android.view.MenuItem
import android.view.View
import android.view.ViewGroup
import android.widget.BaseAdapter
import android.widget.SearchView
import androidx.appcompat.app.AppCompatActivity
import kotlinx.android.synthetic.main.activity_historia_pomiarow.*
import kotlinx.android.synthetic.main.content_historia_pomiarow.*
import kotlinx.android.synthetic.main.row.view.deleteBtn
import kotlinx.android.synthetic.main.row1.view.*
@Suppress("DEPRECATION")
class HistoriaPomiarow : AppCompatActivity() {
var listaWynikow = ArrayList<FIrebaseVal>()
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_historia_pomiarow)
setSupportActionBar(toolbar)
//Wczytujemy baze danych
LoadQuery("%")
}
override fun onResume() {
super.onResume()
LoadQuery("%")
}
private fun LoadQuery(pomiary: String) {
val dbManager = DbMenager(this)
val projections = arrayOf(
"Id",
"Stezenie",
"Zegar",
"Data",
"Posilek",
"Stres",
"Samopoczucie",
"Hiperglikemia"
)
val selectionArgs = arrayOf(pomiary)
val cursor =
dbManager.Query(projections,null,null,null)
listaWynikow.clear()
if (cursor.moveToFirst()) {
do {
val ID = cursor.getInt(cursor.getColumnIndex("Id"))
val Stezenie = cursor.getString(cursor.getColumnIndex("Stezenie"))
val Zegar = cursor.getString(cursor.getColumnIndex("Zegar"))
val Data = cursor.getString(cursor.getColumnIndex("Data"))
val Posilek = cursor.getString(cursor.getColumnIndex("Posilek"))
val Stres = cursor.getString(cursor.getColumnIndex("Stres"))
val Samopoczucie = cursor.getString(cursor.getColumnIndex("Samopoczucie"))
val Hiperglikemia = cursor.getString(cursor.getColumnIndex("Hiperglikemia"))
listaWynikow.add(
FIrebaseVal(
ID,
Stezenie,
Zegar,
Data,
Posilek,
Stres,
Samopoczucie,
Hiperglikemia ))
} while (cursor.moveToNext())
}
//Adapter
val ListaWynikowAdapter = MylistApdater(this, listaWynikow)
//ustawienia adaptera
listapomiarow.adapter = ListaWynikowAdapter
// Wszystkie zadania
val total = listapomiarow.count
//actionbar
val mActionBar = supportActionBar
if(mActionBar !=null){
//ustawienia Action Bara
mActionBar.subtitle = "Masz $total wyników"
}
}
override fun onCreateOptionsMenu(menu: Menu?):Boolean {
menuInflater.inflate(R.menu.notemenu, menu)
//searchView
val sv: SearchView = menu!!.findItem(R.id.app_bar_search).actionView as SearchView
val sm = getSystemService(Context.SEARCH_SERVICE) as SearchManager
sv.setSearchableInfo(sm.getSearchableInfo(componentName))
sv.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
//implementujemy dwie metody
override fun onQueryTextSubmit(query: String?): Boolean {
LoadQuery("%$query%")
return false
}
override fun onQueryTextChange(newText: String?): Boolean {
LoadQuery("%$newText%")
return false
}
})
return super.onCreateOptionsMenu(menu)
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
when(item.itemId){
R.id.dodaj_notatke->{
startActivity(Intent(this,AddNote::class.java))
}
R.id.sortuj->{
showSortDialog()
}
}
return super.onOptionsItemSelected(item)
}
private fun showSortDialog() {
//lista opcji
val sortOption = arrayListOf("Najnowsze","starsze","Tytul rosnaco","Tytul malejaco")
val mBuilder = AlertDialog.Builder(this)
mBuilder.setTitle("Sort by")
mBuilder.setIcon(R.drawable.ic_sort)
}
inner class MylistApdater(
context: Context,
private var ListaWynikowAdapter: ArrayList<FIrebaseVal>
) : BaseAdapter() {
var listWynikiArray = ArrayList<FIrebaseVal>()
var context: Context? = context
@SuppressLint("ViewHolder","InflateParams")
override fun getView(position: Int, convertView: View?, parent: ViewGroup?): View {
val myView = layoutInflater.inflate(R.layout.row1, null)
val Wynik = ListaWynikowAdapter[position]
myView.stezenienumberpicker.text = Wynik.nodeNumberPicker.toString()
myView.godzina.text = Wynik.nodezegar
myView.data.text = Wynik.nodedata
myView.posilekRG.text = Wynik.nodeposilek
myView.SP1.text = Wynik.nodehiperglikemia
myView.SP2.text = Wynik.nodestres
myView.SP3.text = Wynik.nodesamopoczucie
//Przycisk kasowania
myView.deleteBtn.setOnClickListener {
val dbMenager = DbMenager(this.context!!)
val selectionArgs = arrayOf(Wynik.nodeID.toString())
dbMenager.delete("ID=?", selectionArgs)
LoadQuery("%")
}
return myView
}
override fun getItem(position: Int): Any {
return ListaWynikowAdapter[position]
}
override fun getItemId(position: Int): Long {
return position.toLong()
}
override fun getCount(): Int {
return ListaWynikowAdapter.size
}
}
private fun GoToUpdateFun(Wyniki: FIrebaseVal) {
val intent = Intent(this,AddPomiary::class.java)
intent.putExtra("Id",Wyniki.nodeID)//wpisz Id
intent.putExtra("Stezenie",Wyniki.nodeNumberPicker)
intent.putExtra("Zegar",Wyniki.nodezegar)
intent.putExtra("Data",Wyniki.nodedata)
intent.putExtra("Posilek",Wyniki.nodeposilek)
intent.putExtra("Hiperglikemia",Wyniki.nodehiperglikemia)
intent.putExtra("Stres",Wyniki.nodestres)
intent.putExtra("Samopoczucie",Wyniki.nodesamopoczucie)
startActivity(intent)
}
}
DBMENAGER
package com.example.apkadlapacjenta
import android.content.ContentValues
import android.content.Context
import android.database.Cursor
import android.database.sqlite.SQLiteDatabase
import android.database.sqlite.SQLiteOpenHelper
import android.database.sqlite.SQLiteQueryBuilder
import android.widget.RadioGroup
import android.widget.Toast
class DatebaseMenagerPomiary(context: Context) {
//Database name
var dbName = "Historia Pomiarów"
//table name
var dbTable = "Wyniki"
//kolumny
var colID = "Id"
var colStezenie = "Stezenie"
var colZegar = "Zegar"
var colData = "Data"
var colPosilek = "Posilek"
var colStres = "Stres"
var colSamopoczucie = "Samopoczucie"
var colHiperglikemia = "Hiperglikemia"
//wersja
var dbVersion = 1
//Tworzymy tabele
val sqlCreateTable =
"CREATE TABLE$dbTable($colID INTEGER PRIMARY KEY, $colStezenie TEXT, $colZegar TEXT, $colData TEXT, $colPosilek TEXT, $colStres TEXT,$colSamopoczucie TEXT, $colHiperglikemia TEXT)"
var sqlDB: SQLiteDatabase? = null
init {
val db = DatabaseHelperWyniki(context)
sqlDB = db.writableDatabase
}
inner class DatabaseHelperWyniki : SQLiteOpenHelper {
var context: Context? = null
constructor(context: Context) : super(context, dbName, null, dbVersion) {
this.context = context
}
override fun onCreate(db: SQLiteDatabase?) {
db!!.execSQL(sqlCreateTable)
Toast.makeText(this.context,"baza danych utworzona...",Toast.LENGTH_SHORT).show()
}
override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
db!!.execSQL("zamknij tabele jeśli nie istnieje" + dbTable)
}
}
fun insert(values:ContentValues):Long{
val ID = sqlDB!!.insert(dbTable,"",values)
return ID
}
fun Query(projection:Array<String>,selection:String,selectionArgs:Array<String>,sorOrder:String): Cursor {
val qb = SQLiteQueryBuilder()
qb.tables=dbTable
val cursor = qb.query(sqlDB,projection,selection,selectionArgs,null,null,sorOrder)
return cursor
}
fun delete(selection: String,selectionArgs: Array<String>):Int{
val count = sqlDB!!.delete(dbTable,selection,selectionArgs)
return count
}
fun update(values:ContentValues,selection: String,selectionArgs: Array<String>): Int {
val count = sqlDB!!.update(dbTable,values,selection,selectionArgs)
return count
}
}
节点类看不到名称:D
package com.example.apkadlapacjenta
class FIrebaseVal(
nodeID: Int, nodeNumberPicker:String,
nodezegar:String,
nodedata:String,
nodeposilek: String,
nodehiperglikemia: String,
nodestres: String,
nodesamopoczucie: String
) {
var nodeID: Int?= nodeID
var nodeNumberPicker: String? = nodeNumberPicker
var nodezegar:String?=nodezegar
var nodedata:String?=nodedata
var nodeposilek: String? =nodeposilek
var nodehiperglikemia:String?=nodehiperglikemia
var nodestres:String?=nodestres
var nodesamopoczucie:String?=nodesamopoczucie
}
伴侣,您能解释一下我怎么了?谢谢
答案 0 :(得分:0)
可能您添加了此列,但忘记添加从旧数据库版本的迁移。您可以通过清除所有应用程序数据来检查它(或删除并安装它)。如果重新安装解决了该问题,则应创建从旧数据库版本到新版本的迁移
此外,您可以重构所有数据库以使用Room而不是丑陋的ORMLite。 它是Google友好而强大的持久性库
答案 1 :(得分:0)
我相信您的问题可能是由于以下原因:-
val sqlCreateTable =
"CREATE TABLE$dbTable($colID INTEGER PRIMARY KEY, $colStezenie TEXT, $colZegar TEXT, $colData TEXT, $colPosilek TEXT, $colStres TEXT,$colSamopoczucie TEXT, $colHiperglikemia TEXT)"
TABLE 关键字和表名之间没有空格。
尝试更改为:-
val sqlCreateTable =
"CREATE TABLE $dbTable($colID INTEGER PRIMARY KEY, $colStezenie TEXT, $colZegar TEXT, $colData TEXT, $colPosilek TEXT, $colStres TEXT,$colSamopoczucie TEXT, $colHiperglikemia TEXT)"
然后在卸载应用程序或删除应用程序的数据后,尝试重新运行。