android - SQLite keeps returning error from CursorWindow (failed to read row) -
i've been trying solve night long , can't find solution. keep getting following error:
05-15 02:02:39.685 8757-8757/com.financeiro.coolkey.financeiro_2 e/cursorwindow﹕ failed read row 0, column -1 cursorwindow has 4 rows, 7 columns. 05-15 02:02:39.686 8757-8757/com.financeiro.coolkey.financeiro_2 d/androidruntime﹕ shutting down vm 05-15 02:02:39.687 8757-8757/com.financeiro.coolkey.financeiro_2 e/androidruntime﹕ fatal exception: main process: com.financeiro.coolkey.financeiro_2, pid: 8757 java.lang.illegalstateexception: couldn't read row 0, col -1 cursorwindow. make sure cursor initialized correctly before accessing data it. @ android.database.cursorwindow.nativegetstring(native method) @ android.database.cursorwindow.getstring(cursorwindow.java:438) @ android.database.abstractwindowedcursor.getstring(abstractwindowedcursor.java:51) @ dao.calculosdao.criarcalculadora(calculosdao.java:46) @ dao.calculosdao.exibirprodutosporid(calculosdao.java:170) @ tabs.detalhesclientecalculos.onactivitycreated(detalhesclientecalculos.java:65) @ android.support.v4.app.fragment.performactivitycreated(fragment.java:1512) @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:962) @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:1121) @ android.support.v4.app.backstackrecord.run(backstackrecord.java:682) @ android.support.v4.app.fragmentmanagerimpl.execpendingactions(fragmentmanager.java:1484) @ android.support.v4.app.fragmentmanagerimpl.executependingtransactions(fragmentmanager.java:482) @ android.support.v4.app.fragmentpageradapter.finishupdate(fragmentpageradapter.java:141) @ android.support.v4.view.viewpager.populate(viewpager.java:1073) @ android.support.v4.view.viewpager.setcurrentiteminternal(viewpager.java:555) @ android.support.v4.view.viewpager.setcurrentiteminternal(viewpager.java:514) @ android.support.v4.view.viewpager.setcurrentitem(viewpager.java:495) @ com.financeiro.coolkey.view.detalhesclientetabbed.ontabselected(detalhesclientetabbed.java:78) @ android.support.v7.app.actionbarimplics$tabwrapper.ontabselected(actionbarimplics.java:558) @ com.android.internal.app.windowdecoractionbar.selecttab(windowdecoractionbar.java:624) @ com.android.internal.app.windowdecoractionbar$tabimpl.select(windowdecoractionbar.java:1200) @ com.android.internal.widget.scrollingtabcontainerview$tabclicklistener.onclick(scrollingtabcontainerview.java:546) @ android.view.view.performclick(view.java:4756) @ android.view.view$performclick.run(view.java:19749) @ android.os.handler.handlecallback(handler.java:739) @ android.os.handler.dispatchmessage(handler.java:95) @ android.os.looper.loop(looper.java:135) @ android.app.activitythread.main(activitythread.java:5221) @ java.lang.reflect.method.invoke(native method) @ java.lang.reflect.method.invoke(method.java:372) @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:899) @ com.android.internal.os.zygoteinit.main(zygoteinit.java:694) i have no clue going on! have reinstalled app, checked database, looked on questions on stackoverflow , still can't find solution. please help! more code analysis:
calculosdao.java
package dao; import android.content.contentvalues; import android.content.context; import android.database.cursor; import android.database.sqlite.sqlitedatabase; import android.util.log; import java.util.arraylist; import java.util.list; import model.calculos; /** * created diego on 24/04/2015. */ public class calculosdao { private databasehelper databasehelper; private sqlitedatabase database; public calculosdao(context context) { //abre o banco de dados, evita o erro nullpointerexpection. databasehelper = new databasehelper(context); database = databasehelper.getwritabledatabase(); } private sqlitedatabase getdatabase() { if (database == null) database = databasehelper.getwritabledatabase(); return database; } //fecha o banco de dados. public void fechar() { databasehelper.close(); database = null; } private calculos criarcalculadora(cursor cursor) { calculos model = new calculos ( cursor.getint(cursor.getcolumnindex(databasehelper.calculos._id)), cursor.getstring(cursor.getcolumnindex(databasehelper.calculos.id_cliente)), cursor.getstring(cursor.getcolumnindex(databasehelper.calculos.id_produto)), cursor.getstring(cursor.getcolumnindex(databasehelper.calculos.equacao)), cursor.getstring(cursor.getcolumnindex(databasehelper.calculos.resultado)), cursor.getstring(cursor.getcolumnindex(databasehelper.calculos.obs)), cursor.getstring(cursor.getcolumnindex(databasehelper.calculos.tipo)), cursor.getstring(cursor.getcolumnindex(databasehelper.calculos.dt_criacao)) ); return model; } public list<calculos> listarcalculadora() { cursor cursor = getdatabase().query(databasehelper.calculos.tabela, databasehelper.calculos.colunas, null, null, null, null, null); list<calculos> calculos = new arraylist<calculos>(); while(cursor.movetonext()) { log.d("check__me_listar", "ch: "+calculos +"\\"+cursor); calculos model = criarcalculadora(cursor); calculos.add(model); } cursor.close(); return calculos; } /* code */ //procua todos os ids public list<calculos> exibirprodutosporid(int id) { cursor cursor = getdatabase().query(databasehelper.calculos.tabela, databasehelper.calculos.colunas, "id_produto = ?", new string[]{ integer.tostring(id) }, null, null, null); list<calculos> calculos = new arraylist<calculos>(); while(cursor.movetonext()) { log.d("check__me_exibirprod", "checking: "+calculos); calculos model = criarcalculadora(cursor); calculos.add(model); } cursor.close(); return calculos; } } detalhesclientecalculos.java
package tabs; import android.content.context; import android.os.bundle; import android.support.v4.app.listfragment; import android.util.log; import android.view.layoutinflater; import android.view.view; import android.view.viewgroup; import android.widget.listview; import com.financeiro.coolkey.view.detalhesclientetabbed; import com.financeiro.coolkey.view.r; import java.util.arraylist; import java.util.list; import adapter.detalhesclientescalculosadapter; import dao.calculosdao; import dao.produtodao; import model.calculos; import model.produto; /** * created diego on 30/04/2015. */ public class detalhesclientecalculos extends listfragment { private produtodao produtodao; private listview lista; //private detalhesclientecalculosadapter dccadapter; private detalhesclientescalculosadapter dccadapter; private list<produto> produtoitems; private calculosdao calculosdao; private list<calculos> calculositems; @override public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) { return inflater.inflate(r.layout.activity_detalhes_cliente_calculos, null, false); //view rootview = inflater.inflate(r.layout.activity_detalhes_cliente_calculos, null, false); // //return rootview; } @override public void onactivitycreated(bundle savedinstancestate) { super.onactivitycreated(savedinstancestate); context context = getactivity(); calculosdao = new calculosdao(context); calculositems = new arraylist<calculos>(); calculositems = calculosdao.exibirprodutosporid(detalhesclientetabbed.cliente_id); dccadapter = new detalhesclientescalculosadapter(getactivity(),calculositems); setlistadapter(dccadapter); } } databasehelper.java
db.execsql("create table calculos (_id integer primary key autoincrement, " + "id_cliente text, " + "id_produto text, " + "equacao text, " + "resultado text, " + "obs text, " + "tipo text, " + "dt_criacao text not null" + ")"); public static class calculos { public static final string tabela = "calculos"; public static final string _id = "_id"; public static final string id_cliente = "id_cliente"; public static final string id_produto = "id_produto"; public static final string equacao = "equacao"; public static final string resultado = "resultado"; public static final string obs = "obs"; public static final string tipo = "tipo"; public static final string dt_criacao = "dt_criacao"; public static final string[] colunas = { _id, id_cliente, id_produto, equacao, resultado, obs, dt_criacao, }; } thank :)
you reading 1 column less , trying value cursor.
public static final string[] colunas = { _id, id_cliente, id_produto, equacao, resultado, obs, dt_criacao, }; in above array column public static final string tipo = "tipo"; missing. add array should work.
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