hi: I‘m reslove this problem, the code is right always, but the log cheat me.
2010/7/14 Jeruliu <[email protected]> > 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 <[email protected]> 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 <[email protected]> > > > > > 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 <[email protected]> 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 [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- /*******************************************/ 苗忠良(Miao Zhong-liang) MSN:[email protected] <msn%[email protected]> BLOG:http://miaozl.spaces.live.com /*******************************************/ -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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