我正在制作一个应用程序,我想保存用户的联系人详细信息.但每当我尝试插入或选择一些值我得到一个错误.
DataBasae代码
public class ContactsDatabase extends SQLiteOpenHelper { private static final int dbVersion = 1; private static final String dbName = "HSsuraksha"; private static final String tableName = "contactsDetails"; private static final String contactId = "contactId"; private static final String groupId = "groupId"; private static final String groupGroupId = "groupId"; private static final String groupTable = "groupDetails"; private static final String contactName = "contactName"; private static final String contactNumber = "contactNumber"; private static final String createTable = "Create Table " + tableName + "(" + contactId + " Integer Primary Key AutoIncrement," + groupId + " Text," + contactName + " Text," + contactNumber + " Text" + ");"; public ContactsDatabase(Context context) { super(context,dbName,null,dbVersion); } @Override public void onCreate(SQLiteDatabase sqLiteDatabase) { sqLiteDatabase.execSQL(createTable); } @Override public void onUpgrade(SQLiteDatabase sqLiteDatabase,int i,int i2) { } public void insertContacts(ContactModel contactModel,String id,ArrayList<ContactModel> contactModelArrayList) { SQLiteDatabase database = getWritableDatabase(); database.beginTransaction(); ContentValues contentValues = new ContentValues(); for (int i = 0; i < contactModelArrayList.size(); i++) { contentValues.put(contactName,contactModelArrayList.get(i).getContactName()); contentValues.put(contactNumber,contactModelArrayList.get(i).getContactNumber()); contentValues.put(groupId,id); if (contentValues != null) { Long value = database.insert(tableName,id,contentValues); } } database.setTransactionSuccessful(); database.close(); } public void selectContacts(String id) { String query = "Select * From " + tableName + " where " + groupId + "=?"; SQLiteDatabase database = getWritableDatabase(); Cursor cursor = database.rawQuery(query,new String[]{id}); while (cursor.moveToNext()) { cursor.getString(cursor.getColumnIndexOrThrow(contactName)); } cursor.close(); database.close(); } }
logcat的
08-01 18:53:57.820 672-672/example.com.pocketdocs E/SQLiteLog﹕ (1) no such table: contactsDetails 08-01 18:53:57.830 672-672/example.com.pocketdocs E/SQLiteDatabase﹕ Error inserting groupId=2 contactNumber=+91 97 69 512114 contactName=Aaaaaaa android.database.sqlite.SQLiteException: no such table: contactsDetails (code 1):,while compiling: INSERT INTO contactsDetails(groupId,contactNumber,contactName) VALUES (?,?,?) at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method) at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:893) at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:504) at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:588) at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58) at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:31) at android.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1475) at android.database.sqlite.SQLiteDatabase.insert(SQLiteDatabase.java:1347) at example.com.pocketdocs.DataBase.ContactsDatabase.insertContacts(ContactsDatabase.java:54) at example.com.pocketdocs.Group.CreateNewGroup.onClick(CreateNewGroup.java:104) at android.view.View.performClick(View.java:4147) at android.view.View$PerformClick.run(View.java:17161) at android.os.Handler.handleCallback(Handler.java:615) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:213) at android.app.ActivityThread.main(ActivityThread.java:4787) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556) at dalvik.system.NativeStart.main(Native Method)
我尝试解决错误但没有成功.我的代码是什么问题???
解决方法
i have another table groupInfo with same database name,so it that the problem??
这是一个问题.这是发生的事情:
>访问具有相同数据库文件的第一个sqlite打开助手.如果数据库文件不存在,则调用onCreate()回调,以便您可以设置数据库文件.
>访问具有相同数据库文件的其他sqlite打开助手.具有给定名称的数据库文件已存在且版本正确,因此不会调用onCreate()或onUpgrade().而是刚刚打开文件.
解决方案:每个数据库文件只使用一个sqlite打开助手.将两个表的创建语句放在同一帮助器onCreate()方法中.
还要卸载您的应用程序,以便删除仅包含其他表的旧数据库文件.
请参阅链接的问题When is SQLiteOpenHelper onCreate() / onUpgrade() run?以了解有关sqlite open helper生命周期回调的更多信息.