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2014/10/16 ¤W¤È 08:12:06
android Programming Glossary: datahelpercannot retrieve the information from sqlite http://stackoverflow.com/questions/10714122/cannot-retrieve-the-information-from-sqlite improve this question check this one it may use public DataHelper Context context String pagetype this.context context OpenHelper..
Easy database access methods in Android http://stackoverflow.com/questions/17234451/easy-database-access-methods-in-android this question This method works well for me. Create a DataHelper class that opens your database and maintains a reference to.. object and which exposes the database. public class CustomDataHelper private static final int DATABASE_VERSION 30 public SQLiteDatabase.. 30 public SQLiteDatabase db null public CustomDataHelper SQLiteOpenHelper o new MyOpenHelper CustomApp.app MyData.db..
How to disable items in a List View? http://stackoverflow.com/questions/2662358/how-to-disable-items-in-a-list-view ListActivity private static List String products private DataHelper dh public void onCreate Bundle savedInstanceState dh new DataHelper.. dh public void onCreate Bundle savedInstanceState dh new DataHelper this products dh.GetMyProducts Returns a List String super.onCreate..
App Crashes On Startup Due To java.lang.IllegalArgumentException: column '_id' does not exist http://stackoverflow.com/questions/4974816/app-crashes-on-startup-due-to-java-lang-illegalargumentexception-column-id-d public class ShoppingList extends ListActivity private DataHelper DataHelper Called when the activity is first created. @Override.. class ShoppingList extends ListActivity private DataHelper DataHelper Called when the activity is first created. @Override protected.. savedInstanceState setContentView R.layout.main DataHelper new DataHelper this Cursor c Cursor DataHelper.selectAll long..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application Keep the Database in assets folder then follow below DataHelper class import java.io.File import java.io.FileOutputStream import.. context.getApplicationInfo .dataDir databases in the DataHelper class this code will work on JB 4.2 multi users. share improve..
cannot retrieve the information from sqlite http://stackoverflow.com/questions/10714122/cannot-retrieve-the-information-from-sqlite java.lang.Thread.run Thread.java 856 android sqlite share improve this question check this one it may use public DataHelper Context context String pagetype this.context context OpenHelper openHelper new OpenHelper this.context this.db openHelper.getWritableDatabase..
Easy database access methods in Android http://stackoverflow.com/questions/17234451/easy-database-access-methods-in-android Could anyone give me any ideas android sqlite share improve this question This method works well for me. Create a DataHelper class that opens your database and maintains a reference to the database object and which exposes the database. public class.. your database and maintains a reference to the database object and which exposes the database. public class CustomDataHelper private static final int DATABASE_VERSION 30 public SQLiteDatabase db null public CustomDataHelper SQLiteOpenHelper o new.. public class CustomDataHelper private static final int DATABASE_VERSION 30 public SQLiteDatabase db null public CustomDataHelper SQLiteOpenHelper o new MyOpenHelper CustomApp.app MyData.db this.db o.getWritableDatabase Rest of standard DataHelper class..
How to disable items in a List View? http://stackoverflow.com/questions/2662358/how-to-disable-items-in-a-list-view i achieve that here's my code public class SomeClass extends ListActivity private static List String products private DataHelper dh public void onCreate Bundle savedInstanceState dh new DataHelper this products dh.GetMyProducts Returns a List String.. private static List String products private DataHelper dh public void onCreate Bundle savedInstanceState dh new DataHelper this products dh.GetMyProducts Returns a List String super.onCreate savedInstanceState setListAdapter new ArrayAdapter String..
App Crashes On Startup Due To java.lang.IllegalArgumentException: column '_id' does not exist http://stackoverflow.com/questions/4974816/app-crashes-on-startup-due-to-java-lang-illegalargumentexception-column-id-d import android.widget.SimpleCursorAdapter public class ShoppingList extends ListActivity private DataHelper DataHelper Called when the activity is first created. @Override protected void onCreate Bundle savedInstanceState super.onCreate.. import android.widget.SimpleCursorAdapter public class ShoppingList extends ListActivity private DataHelper DataHelper Called when the activity is first created. @Override protected void onCreate Bundle savedInstanceState super.onCreate savedInstanceState.. protected void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main DataHelper new DataHelper this Cursor c Cursor DataHelper.selectAll long id c.getLong c.getColumnIndex _id startManagingCursor c ListView..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application DB_NAME will be ordersDB private static String DB_NAME ordersDB Keep the Database in assets folder then follow below DataHelper class import java.io.File import java.io.FileOutputStream import java.io.IOException import java.io.InputStream import java.io.OutputStream..
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