For Logcat, if you use Eclipse, you can go to Window -> Show View ->
Other and find it under Android. There's also a viewer that comes with
the sdk if you don't use eclipse.
On Mar 23, 2:19 pm, MobileBen <[EMAIL PROTECTED]> wrote:
> Hello.
>
> This is my main class, which helps to displays data out of a database
> in list format. It also handles a "ADD"and a "Delete" Button:
>
> /**
> * A list view example where the
> * data for the list comes from an array of strings.
> */
> public class TeaTime extends ListActivity {
>
> private static final int ACTIVITY_CREATE=0;
> private static final int ACTIVITY_EDIT=1;
>
> private TeaDB myDBHelper;
> private Cursor myTeaCursor;
>
> private static final int ADD_ID = Menu.FIRST;
> private static final int DELETE_ID = Menu.FIRST + 1;
>
> @Override
> public void onCreate(Bundle icicle) {
> super.onCreate(icicle);
> setContentView(R.layout.main);
> myDBHelper = new TeaDB(this);
> myDBHelper.open();
> fillData();
> myDBHelper.close();
> }
>
> private String[] mStrings = {
> "Green Tea","Black Tea","Fruit Tea","Peppermint Tea"};
>
> /**
> * Get all Teas in an array to display on the screen
> */
> private void fillData() {
> // Get all of the rows from the database and create the item list
> myTeaCursor = myDBHelper.callUpAllTeas();
> startManagingCursor(myTeaCursor);
>
> // Create an array to specify the fields we want to display in
> the list (only NAME)
> String[] from = new String[]{TeaDB.KEY_NAME};
>
> // and an array of the fields we want to bind those fields to
> (in this case just text1)
> int[] to = new int[]{R.id.list};
>
> // Now create a simple cursor adapter and set it to display
> // SimpleCursorAdapter tea =
> // new SimpleCursorAdapter(this, R.layout.main,
> myTeaCursor, from, to);
> // setListAdapter(tea);
>
> ListAdapter test = new SimpleCursorAdapter(this,
> R.layout.main, myTeaCursor, from, to);
> setListAdapter(test);
> // setListAdapter(new ArrayAdapter<String>(this,
> //android.R.layout.simple_list_item_1, from));
>
> }
>
> /**
> * Create the Menu (Add + Delete)
> */
> public boolean onCreateOptionsMenu(Menu menu) {
> super.onCreateOptionsMenu(menu);
> menu.add(0, ADD_ID, R.string.menu_add);
> menu.add(0, DELETE_ID, R.string.menu_delete);
> return true;
> }
>
> /**
> * Activity Handler for the menu buttons (Add + Delete)
> */
> public boolean onMenuItemSelected(int featureId, Item item) {
> switch(item.getId()) {
> case ADD_ID:
> createTea();
> return true;
> case DELETE_ID:
> myDBHelper.deleteTea(4);
> //fillData();
> return true;
> }
>
> return super.onMenuItemSelected(featureId, item);
> }
>
> /**
> */
> private void createTea() {
> Intent i = new Intent(this, TeaEdit.class);
> startSubActivity(i, ACTIVITY_CREATE);
> }
>
> If you press the "ADD" Button you come to the following activity which
> allows you to add data. When I press the Button "CONFIRM" the saving
> of the data in the database works, but also the error message
> mentioned above shows up:
>
> public class TeaEdit extends Activity {
>
> private EditText myNameText;
> private EditText myBrewTimeText;
> private Long myRowId;
> private TeaDB myDBHelper;
>
> @Override
> protected void onCreate(Bundle icicle) {
> super.onCreate(icicle);
> setContentView(R.layout.tea_add);
>
> myNameText = (EditText) findViewById(R.id.name);
> myBrewTimeText = (EditText) findViewById(R.id.brewTime);
>
> Button confirmButton = (Button) findViewById(R.id.confirm);
>
> myDBHelper = new TeaDB(this);
> myDBHelper.open();
>
> confirmButton.setOnClickListener(new View.OnClickListener() {
>
> public void onClick(View view) {
>
> myDBHelper.createTea(myNameText.getText().toString(),
> Integer.valueOf(myBrewTimeText.getText().toString()));
> myDBHelper.close();
> setResult(RESULT_OK, null, null);
> finish();
> }
>
> });
> }
>
> }
>
> So if it helps, it would be great. Can you also please tell me where I
> can find the "stack trace in logcat"?
>
> Thank you
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