Well, that will be similar with handling the checkbox in the item.
I handled it in my customized adapter with a dirty approach.
On Jul 12, 4:55 pm, 苗忠良 <mzl...@gmail.com> wrote:
> hi,Jeruliu:
> I need not that how to handle the item, in my code, I wrote it , I want
> to know is that how to handle the button in the item.
>
> but still thank you!
>
> 2010/7/12 Jeruliu <jeru....@gmail.com>
>
> > Please find my working code snippet below:
>
> > // get a reference to the ListView
> > listView = (ListView) findViewById(android.R.id.list);
> > ...
> > // single click event
> > listView.setOnItemClickListener(new OnItemClickListener() {
> > public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
> > long arg3) {
>
> > My list view works with the customized adapter.
>
> > On Jul 11, 9:18 pm, 苗忠良 <mzl...@gmail.com> wrote:
> > > hi,all:
>
> > > I write a listactivty,the item including a textview and a button，the
> > data
> > > came from a sqlite。but in handling the clickevent , i meet some problem,
> > in
> > > the CursorAdapter's bindView() function，i cann't get the current
> > position。in
> > > log，i find position of Cursor is the position I last click the item of
> > > listview.
> > > the code as follows:
> > > package miaozl.hello;
>
> > > import android.app.ListActivity;
> > > import android.content.Context;
> > > import android.database.Cursor;
> > > import android.os.Bundle;
> > > import android.util.Log;
> > > import android.view.LayoutInflater;
> > > import android.view.View;
> > > import android.view.ViewGroup;
> > > import android.view.View.OnClickListener;
> > > import android.widget.AdapterView;
> > > import android.widget.Button;
> > > import android.widget.CursorAdapter;
> > > import android.widget.ImageButton;
> > > import android.widget.ListView;
> > > import android.widget.SimpleCursorAdapter;
> > > import android.widget.TextView;
>
> > > public class helloActivity extends ListActivity{
> > > private helloAdapter mDbHelper;
> > > private final static String TAG ="helloActivity";
> > > private static LayoutInflater mFactory;
> > > ListView lv;
> > > /** Called when the activity is first created. */
> > > @Override
> > > public void onCreate(Bundle savedInstanceState) {
> > > super.onCreate(savedInstanceState);
> > > mDbHelper = new helloAdapter(this);
> > > mDbHelper.open();
> > > mFactory = LayoutInflater.from(this);
> > > lv= getListView();
> > > lv.setChoiceMode(1);
> > > lv.setOnItemClickListener(new AdapterView.OnItemClickListener(){
>
> > > @Override
> > > public void onItemClick(AdapterView<?> arg0, View arg1, int
> > > arg2,
> > > long arg3) {
> > > // TODO Auto-generated method stub
> > > Log.d(TAG,"====onItemClick===arg3 is ==="+arg3);
> > > }
>
> > > });
> > > fillData();
> > > }
> > > private void fillData() {
> > > // TODO Auto-generated method stub
> > > Cursor c = mDbHelper.fetchAllNotes();
> > > startManagingCursor(c);
>
> > > String[] from = new String[] {
> > > helloAdapter.KEY_WORD,helloAdapter.KEY_ID};
> > > int[] to = new int[] { R.id.word,R.id.button};
> > > lv.setAdapter(new ListAdapter(this, c));
> > > }
> > > private static class ListAdapter extends CursorAdapter {
>
> > > public ListAdapter(Context context, Cursor c) {
> > > super(context, c);
> > > // TODO Auto-generated constructor stub
> > > }
>
> > > @Override
> > > public void bindView(View view, Context context, final Cursor
> > > cursor) {
> > > // TODO Auto-generated method stub
> > > Button onButton=(Button)view.findViewById(R.id.button);
> > > onButton.setOnClickListener(new OnClickListener(){
>
> > > @Override
> > > public void onClick(View arg0) {
> > > // TODO Auto-generated method stub
> > > Log.d(TAG,
> > > "=cursor.getPosition()="+cursor.getPosition());
> > > }
> > > });
>
> > > }
>
> > > @Override
> > > public View newView(Context context, Cursor cursor, ViewGroup
> > > parent) {
> > > // TODO Auto-generated method stub
> > > View ret= mFactory.inflate(R.layout.list_item,parent,false);
> > > TextView word=(TextView)ret.findViewById(R.id.word);
> > > Button onButton=(Button)ret.findViewById(R.id.button);
> > > onButton.setFocusable(false);
>
> > word.setText(cursor.getString(cursor.getColumnIndex(helloAdapter.KEY_WORD)));
> > > onButton.setBackgroundResource(R.drawable.icon);
> > > return ret;
> > > }
>
> > > }
>
> > > }
>
> > > the ListAdapter as fallows:
>
> > > package miaozl.hello;
>
> > > import android.content.ContentValues;
> > > import android.content.Context;
> > > import android.database.Cursor;
> > > import android.database.SQLException;
> > > import android.database.sqlite.SQLiteDatabase;
> > > import android.database.sqlite.SQLiteOpenHelper;
> > > import android.util.Log;
>
> > > public class helloAdapter{
> > > public static final String KEY_WORD = "word";
> > > public static final String KEY_ID = "_id";
> > > private static final String TAG = "helloAdapter";
> > > private DatabaseHelper mDbHelper;
> > > private SQLiteDatabase mDb;
>
> > > private static final String DATABASE_CREATE =
> > > "create table notes (_id integer primary key autoincrement, "
> > > + "word text not null);";
> > > private static final String DATABASE_NAME = "list";
> > > private static final String DATABASE_TABLE = "notes";
> > > private static final int DATABASE_VERSION = 1;
> > > private final Context mCtx;
> > > private static class DatabaseHelper extends SQLiteOpenHelper {
>
> > > DatabaseHelper(Context context) {
> > > super(context, DATABASE_NAME, null, DATABASE_VERSION);
> > > }
>
> > > @Override
> > > public void onCreate(SQLiteDatabase db) {
>
> > > db.execSQL(DATABASE_CREATE);
> > > }
>
> > > @Override
> > > public void onUpgrade(SQLiteDatabase db, int oldVersion, int
> > > newVersion) {
> > > Log.w(TAG, "Upgrading database from version " + oldVersion +
> > "
> > > to "
> > > + newVersion + ", which will destroy all old data");
> > > db.execSQL("DROP TABLE IF EXISTS notes");
> > > onCreate(db);
> > > }
> > > }
>
> > > /**
> > > * Constructor - takes the context to allow the database to be
> > > * opened/created
> > > *
> > > * @param ctx the Context within which to work
> > > */
> > > public helloAdapter(Context ctx) {
> > > this.mCtx = ctx;
> > > }
>
> > > /**
> > > * Open the notes database. If it cannot be opened, try to create a
> > new
> > > * instance of the database. If it cannot be created, throw an
> > exception
> > > to
> > > * signal the failure
> > > *
> > > * @return this (self reference, allowing this to be chained in an
> > > * initialization call)
> > > * @throws SQLException if the database could be neither opened or
> > > created
> > > */
> > > public helloAdapter open() throws SQLException {
> > > mDbHelper = new DatabaseHelper(mCtx);
> > > mDb = mDbHelper.getWritableDatabase();
> > > return this;
> > > }
>
> > > public void close() {
> > > mDbHelper.close();
> > > }
>
> > > /**
> > > * Create a new note using the title and body provided. If the note
> > is
> > > * successfully created return the new rowId for that note, otherwise
> > > return
> > > * a -1 to indicate failure.
> > > *
> > > * @param title the title of the note
> > > * @param body the body of the note
> > > * @return rowId or -1 if failed
> > > */
> > > public long createNote(String word) {
> > > ContentValues initialValues = new ContentValues();
> > > initialValues.put(KEY_WORD, word);
>
> > > return mDb.insert(DATABASE_TABLE, null, initialValues);
> > > }
>
> > > /**
> > > * Delete the note with the given rowId
> > > *
> > > * @param rowId id of note to delete
> > > * @return true if deleted, false otherwise
> > > */
> > > public boolean deleteNote(long rowId) {
>
> > > return mDb.delete(DATABASE_TABLE, KEY_ID + "=" + rowId, null) >
> > 0;
> > > }
>
> > > /**
> > > * Return a Cursor over the list of all notes in the database
> > > *
> > > * @return Cursor over all notes
> > > */
> > > public Cursor fetchAllNotes() {
>
> > > return mDb.query(DATABASE_TABLE, new String[] {KEY_ID, KEY_WORD
> > > }, null, null, null, null, null);
> > > }
>
> > > /**
> > > * Return a Cursor positioned at the note that matches the given
> > rowId
> > > *
> > > * @param rowId id of note to retrieve
> > > * @return Cursor positioned to matching note, if found
> > > * @throws SQLException if note could not be found/retrieved
> > > */
> > > public Cursor fetchNote(long rowId) throws SQLException {
>
> > > Cursor mCursor =
>
> > > mDb.query(true, DATABASE_TABLE, new String[] {KEY_ID,
> > > KEY_WORD}, KEY_ID + "=" + rowId, null,
> > > null, null, null, null);
> > > if (mCursor != null) {
> > > mCursor.moveToFirst();
> > > }
> > > return mCursor;
>
> > > }
>
> > > /**
> > > * Update the note using the details provided. The note to be updated
> > is
> > > * specified using the rowId, and it is altered to use the title and
> > > body
> > > * values passed in
> > > *
> > > * @param rowId id of note to update
> > > * @param title value to set note title to
> > > * @param body value to set note body to
> > > * @return true if the note was successfully updated, false otherwise
> > > */
> > > public boolean updateNote(long rowId,String word) {
> > > ContentValues args = new ContentValues();
> > > args.put(KEY_WORD, word);
>
> > > return mDb.update(DATABASE_TABLE, args, KEY_ID + "=" + rowId,
> > null)
>
> > > > 0;
> > > }
>
> ...
>
> read more >>
--
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
android-developers+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en
