- ExpandableListView does not appear when Activity starts
- public class BrowseActivity extends ExpandableListActivity {
- final private String[] asColumnsToReturn = {
- Items.ITEMS_TABLE_NAME + "." + Items.ITEMS_ITEM,
- Items.ITEMS_TABLE_NAME + "." + Items.ITEMS_DESC,
- Items.ITEMS_TABLE_NAME + "." + Items.ITEMS_ID };
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.browse);
- DbHelper dbh = new DbHelper(this.getApplicationContext());
- SQLiteDatabase db = dbh.getWritableDatabase();
- SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
- queryBuilder.setTables(Items.ITEMS_TABLE_NAME);
- ExpandableListView browseView = (ExpandableListView)findViewById(android.R.id.list);
- Cursor mCursor = queryBuilder.query(db, asColumnsToReturn, null, null,
- null, null, Items.DEFAULT_SORT_ORDER);
- startManagingCursor(mCursor);
- SimpleCursorTreeAdapter mAdapter = new SimpleCursorTreeAdapter(this,
- mCursor, R.layout.row, R.layout.exprow,
- new String[] { Items.ITEMS_ITEM }, new int[] { R.id.txtItem },
- R.layout.exprow, R.layout.exprow, new String[] { Items.ITEMS_DESC },
- new int[] { R.id.dscItem }) {
- @Override
- protected Cursor getChildrenCursor(Cursor groupCursor) {
- return groupCursor;
- }
- };
- browseView.setAdapter(mAdapter);
- }
- }
- ***START NEW OF NEW CLASS FILE***
- public class DbHelper extends SQLiteOpenHelper {
- private static final int DATABASE_VERSION = 1;
- private static final String DB_NAME = "itemList.db";
- DbHelper(Context context) {
- super(context, DB_NAME, null, DATABASE_VERSION);
- }
- @Override
- public void onCreate(SQLiteDatabase db){
- db.execSQL("CREATE TABLE " + Items.ITEMS_TABLE_NAME + " ("
- + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT ,"
- + Items.ITEMS_ITEM + " TEXT," + Items.ITEMS_DESC + " TEXT,"
- + Items.ITEMS_MANU + " TEXT," + Items.ITEMS_UPC + " TEXT," +
- Items.ITEMS_NWEIGHT + " TEXT," + Items.ITEMS_AWEIGHT + " TEXT)");
- }
- @Override
- public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
- }
- @Override
- public void onOpen(SQLiteDatabase db){
- super.onOpen(db);
- }
- }
- ***START OF NEW CLASS FILE***
- public class ItemDatabase {
- private ItemDatabase() {
- }
- public static final class Items implements BaseColumns {
- private Items() {
- }
- public static final String ITEMS_TABLE_NAME = "table_itemList";
- public static final String ITEMS_ID = "_id";
- public static final String ITEMS_ITEM = "item";
- public static final String ITEMS_DESC = "description";
- public static final String ITEMS_MANU = "manufacturer";
- public static final String ITEMS_UPC = "upc";
- public static final String ITEMS_NWEIGHT = "netweight";
- public static final String ITEMS_AWEIGHT = "actualweight";
- public static final String DEFAULT_SORT_ORDER = "item ASC";
- }
- <?xml version="1.0" encoding="utf-8"?>
- <LinearLayout
- xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent" android:orientation="vertical">
- <ExpandableListView
- android:id = "@android:id/list"
- android:layout_height="fill_parent"
- android:layout_width="fill_parent"
- android:clickable="true"
- ></ExpandableListView>
- </LinearLayout>
- @Override
- protected Cursor getChildrenCursor(Cursor groupCursor) {
- String tempGroup = groupCursor.getString(groupCursor
- .getColumnIndex(Items.ITEMS_ITEM));
- DbHelper dbh = new DbHelper(BrowseActivity.this);
- SQLiteDatabase db = dbh.getWritableDatabase();
- String sqlString = "SELECT " + Items.ITEMS_ID + ", "
- + Items.ITEMS_DESC + ", " + Items.ITEMS_MANU + ", "
- + Items.ITEMS_NWEIGHT + ", " + Items.ITEMS_AWEIGHT + ", "
- + Items.ITEMS_UPC + " FROM " + Items.ITEMS_TABLE_NAME
- + " WHERE " + Items.ITEMS_ITEM + "=" + "'" + tempGroup
- + "'";
- Cursor mCursor = db.rawQuery(sqlString, null);
- return mCursor;
- }
- <?xml version="1.0" encoding="utf-8"?>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:id="@+id/LinearLayout1"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:orientation="vertical">
- <TextView
- android:layout_gravity="center_vertical|right"
- android:id="@+id/txtItem"
- android:text="Item"
- android:layout_height="wrap_content"
- android:layout_width="fill_parent"
- android:textSize="15dip"
- ></TextView>
- <TextView
- android:layout_gravity="center_vertical|right"
- android:id="@+id/dscItemTwo"
- android:text="Desciption"
- android:layout_height="wrap_content"
- android:layout_width="fill_parent"
- android:textStyle="italic"
- android:textColor="#666666"
- ></TextView>
- </LinearLayout>
- <?xml version="1.0" encoding="utf-8"?>
- <TableLayout
- xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:layout_span = "2"
- android:stretchColumns="0"
- >
- <TableRow
- android:layout_height="wrap_content"
- android:id="@+id/tableRow1"
- android:layout_gravity="right"
- android:layout_width="wrap_content"
- >
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="fill_parent"
- android:layout_weight = "1"
- android:id="@+id/tableRow10"
- android:layout_gravity="right"
- >
- <TextView
- android:layout_marginRight="1dip"
- android:textColor="#994020"
- android:layout_height="wrap_content"
- android:layout_gravity="right"
- android:layout_width="wrap_content"
- android:text="Manufacturer"
- android:id="@+id/manuItem"
- ></TextView>
- </TableRow>
- <TableRow
- android:layout_height="wrap_content"
- android:id="@+id/tableRow11"
- android:layout_width="wrap_content"
- ></TableRow>
- </TableRow>
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="fill_parent"
- android:id="@+id/tableRow2"
- >
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="fill_parent"
- android:id="@+id/tableRow9"
- android:layout_gravity="right"
- android:layout_weight="1"
- >
- <TextView
- android:layout_marginRight="1dip"
- android:textColor="#994020"
- android:layout_height="wrap_content"
- android:layout_gravity="right"
- android:layout_width="wrap_content"
- android:text="Description"
- android:id="@+id/dscItem"
- ></TextView>
- </TableRow>
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="wrap_content"
- android:id="@+id/tableRow8"
- ></TableRow>
- </TableRow>
- <TableRow
- android:layout_height="wrap_content"
- android:id="@+id/tableRow3"
- android:layout_width="fill_parent"
- >
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="wrap_content"
- android:id="@+id/tableRow6"
- android:layout_gravity="right"
- android:baselineAligned="true">
- <TextView
- android:layout_marginRight="1dip"
- android:textColor="#994020"
- android:layout_height="wrap_content"
- android:layout_gravity="right"
- android:text="Net Weight"
- android:id="@+id/nWeightItem"
- android:layout_width="wrap_content"
- ></TextView>
- </TableRow>
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="wrap_content"
- android:id="@+id/tableRow7"
- >
- <TextView
- android:layout_marginRight="1dip"
- android:layout_gravity="right"
- android:layout_height="wrap_content"
- android:layout_width="wrap_content"
- android:text="ounces"
- android:textStyle="italic"
- android:id="@+id/textView1"
- ></TextView>
- </TableRow>
- </TableRow>
- <TableRow
- android:layout_height="wrap_content"
- android:id="@+id/tableRow5"
- android:layout_width="wrap_content"
- >
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="fill_parent"
- android:id="@+id/tableRow12"
- android:layout_weight="1"
- android:layout_gravity="right"
- >
- <TextView
- android:layout_marginRight="1dip"
- android:textColor="#994020"
- android:layout_height="wrap_content"
- android:layout_gravity="right"
- android:layout_width="wrap_content"
- android:text="Actual Weight"
- android:id="@+id/aWeightItem"
- ></TextView>
- </TableRow>
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="wrap_content"
- android:id="@+id/tableRow13"
- >
- <TextView
- android:layout_marginRight="1dip"
- android:layout_gravity="right"
- android:layout_height="wrap_content"
- android:layout_width="wrap_content"
- android:text="ounces"
- android:textStyle="italic"
- android:id="@+id/textView111"
- ></TextView>
- </TableRow>
- </TableRow>
- <TableRow
- android:id="@+id/tableRow4"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- >
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="fill_parent"
- android:layout_weight="1"
- android:layout_gravity="right"
- android:id="@+id/tableRow14"
- >
- <TextView
- android:layout_marginRight="1dip"
- android:textColor="#994020"
- android:layout_height="wrap_content"
- android:layout_gravity="right"
- android:layout_width="wrap_content"
- android:text="UPC"
- android:id="@+id/upcItem"
- ></TextView>
- </TableRow>
- <TableRow
- android:layout_height="wrap_content"
- android:layout_width="wrap_content"
- android:id="@+id/tableRow15"
- ></TableRow>
- </TableRow>
- </TableLayout>