Listview mostra un solo item, baseadapter

[Caco85]

Ciao a tutti, non riesco proprio a risolvere questo problema, magari voi potete aiutarmi:
per mostrare gli item di una list view ho creato una classe che estende BaseAdapter:
<br /> public class SpeechBubbleAdapter exten<span class="forTooltip">ds</span> BaseAdapter {<br /> <br /> private Context context;<br /> private ArrayList<HashMap<String,String>> msgMap_al = new ArrayList<HashMap<String,String>>();<br /> private String msg;<br /> private String sender;<br /> private final String KEY_MSG = "message";<br /> private final String KEY_SENDER = "sender";<br /> private final String KEY_DATETIME = "datetime";<br /> <br /> <br /> public SpeechBubbleAdapter(Context context,ArrayList<HashMap<String,String>> messages){<br /> this.context=context;<br /> msgMap_al = messages;<br /> <br /> }<br /> <br /> @Override<br /> public int getCount() {<br /> return msgMap_al.size();<br /> }<br /> <br /> @Override<br /> public Object getItem(int position) {<br /> return msgMap_al.get(position).get(KEY_MSG);<br /> }<br /> <br /> @Override<br /> public long getItemId(int position) {<br /> return position;<br /> }<br /> <br /> class ViewHolder {<br /> TextView speech_text_view;<br /> TextView datetime_text_view;<br /> }<br /> <br /> @Override<br /> public View getView(int position, View convertView, ViewGroup parent) {<br /> <br /> <br /> <br /> ViewHolder holder;<br /> if(convertView == null)<br /> {<br /> LayoutInflater inflater = (LayoutInflater)context.getSystemService<br /> (Context.LAYOUT_INFLATER_SERVICE);<br /> convertView = inflater.inflate(R.layout.speech_bubble, parent, false);<br /> }<br /> <br /> holder = new ViewHolder();<br /> <br /> holder.speech_text_view = (TextView) convertView.findViewById(R.id.message_text_view);<br /> holder.datetime_text_view = (TextView) convertView.findViewById(R.id.datetime_text_view);<br /> <br /> Log.d("SpeechBubbleAdapter: ","Message: "+msgMap_al.get(position).get(KEY_MSG)+" | Datetime: "+msgMap_al.get(position).get(KEY_DATETIME)+" | Position: "+position);<br /> holder.speech_text_view.setText(msgMap_al.get(position).get(KEY_MSG));<br /> holder.datetime_text_view.setText(msgMap_al.get(position).get(KEY_DATETIME));<br /> <br /> LayoutParams lp = (LayoutParams) holder.speech_text_view.getLayoutParams();<br /> <br /> if(msgMap_al.get(position).get(KEY_SENDER)=="a******@live.it")<br /> {<br /> lp.gravity = Gravity.RIGHT;<br /> }<br /> <br /> else<br /> {<br /> lp.gravity = Gravity.LEFT;<br /> }<br /> holder.speech_text_view.setLayoutParams(lp);<br /> <br /> return convertView;<br /> }<br /> }

​x

 

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​

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public class SpeechBubbleAdapter extends BaseAdapter {

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​

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    private Context context;

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    private ArrayList<HashMap<String,String>> msgMap_al = new ArrayList<HashMap<String,String>>();

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    private String msg;

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    private String sender;

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    private final String KEY_MSG = "message";

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    private final String KEY_SENDER = "sender";

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    private final String KEY_DATETIME = "datetime";

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​

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​

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    public SpeechBubbleAdapter(Context context,ArrayList<HashMap<String,String>> messages){

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        this.context=context;

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        msgMap_al = messages;

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​

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    }

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​

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    @Override

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    public int getCount() {

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        return msgMap_al.size();

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    }

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​

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    @Override

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    public Object getItem(int position) {

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        return msgMap_al.get(position).get(KEY_MSG);

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    }

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​

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    @Override

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    public long getItemId(int position) {

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        return position;

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    }

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​

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    class ViewHolder {

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        TextView speech_text_view;

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        TextView datetime_text_view;

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    }

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​

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    @Override

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    public View getView(int position, View convertView, ViewGroup parent) {

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​

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​

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​

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        ViewHolder holder;

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        if(convertView == null)

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        {

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            LayoutInflater inflater = (LayoutInflater)context.getSystemService

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                    (Context.LAYOUT_INFLATER_SERVICE);

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            convertView = inflater.inflate(R.layout.speech_bubble, parent, false);

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        }

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​

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        holder = new ViewHolder();

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​

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        holder.speech_text_view = (TextView) convertView.findViewById(R.id.message_text_view);

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        holder.datetime_text_view = (TextView) convertView.findViewById(R.id.datetime_text_view);

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​

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        Log.d("SpeechBubbleAdapter: ","Message: "+msgMap_al.get(position).get(KEY_MSG)+"  |  Datetime: "+msgMap_al.get(position).get(KEY_DATETIME)+"   |   Position: "+position);

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        holder.speech_text_view.setText(msgMap_al.get(position).get(KEY_MSG));

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        holder.datetime_text_view.setText(msgMap_al.get(position).get(KEY_DATETIME));

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​

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        LayoutParams lp = (LayoutParams) holder.speech_text_view.getLayoutParams();

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​

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        if(msgMap_al.get(position).get(KEY_SENDER)=="a******@live.it")

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        {

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            lp.gravity = Gravity.RIGHT;

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        }

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​

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        else

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        {

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            lp.gravity = Gravity.LEFT;

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        }

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        holder.speech_text_view.setLayoutParams(lp);

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​

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        return convertView;

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    }

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}

Questo adapter viene utilizzato da questa activity:
public class ChatActivity extends Activity implements LoaderManager.LoaderCallbacks<Cursor>{<br /> <br /> EditText msg_et;<br /> private String recipient;<br /> private EditText ed;<br /> private final String KEY_MSG = "message";<br /> private final String KEY_SENDER = "sender";<br /> private final String KEY_RECIPIENT = "recipient";<br /> private final String KEY_DATETIME= "datetime";<br /> private SpeechBubbleAdapter sb;<br /> private ListView lv;<br /> <br /> @Override<br /> pr<span class="forTooltip">ot</span>ected void onCreate(Bundle savedInstanceState) {<br /> super.onCreate(savedInstanceState);<br /> setContentView(R.layout.chat_activity);<br /> ed = (EditText) findViewById(R.id.edit_text);<br /> msg_et = (EditText) findViewById(R.id.edit_text);<br /> recipient = getIntent().getExtras().getString(new ContactsListFragment().KEY_EMAIL);<br /> lv =(ListView) findViewById(R.id.chat_list_view);<br /> Bundle b = new Bundle();<br /> b.putString(KEY_RECIPIENT,recipient);<br /> LoaderManager lm = getLoaderManager();<br /> lm.initLoader(0, b, this);<br /> }<br /> <br /> <br /> @Override<br /> public boolean onCreate<span class="forTooltip">Op</span>tionsMenu(Menu menu) {<br /> // Inflate the menu; this adds items to the action bar if it is present.<br /> getMenuInflater().inflate(R.menu.chat, menu);<br /> return true;<br /> }<br /> <br /> @Override<br /> public boolean on<span class="forTooltip">Op</span>tionsItemSelected(MenuItem item) {<br /> // Handle action bar item clicks here. The action bar will<br /> // automatically handle clicks on the Home/Up button, so long<br /> // as you specify a parent activity in AndroidManifest.xml.<br /> int id = item.getItemId();<br /> if (id == R.id.action_settings) {<br /> return true;<br /> }<br /> return super.onOptionsItemSelected(item);<br /> <br /> }<br /> <br /> <br /> public void onClickSendButton(View v) {<br /> ContentValues cv = new ContentValues();<br /> cv.put(SandMessagesProvider.KEY_SENDER, "Caco@caco.it"); // sender = variabile globale<br /> cv.put(SandMessagesProvider.KEY_RECIPIENT, recipient);<br /> cv.put(SandMessagesProvider.KEY_DATETIME, FormattedDateTime.getDateTime());<br /> cv.put(SandMessagesProvider.KEY_TEXT, ed.getText().toString());<br /> ed.setText("");<br /> ContentResolver cr = getContentResolver();<br /> Uri rowUri = cr.insert(SandMessagesProvider.CONTENT_URI, cv);<br /> <br /> <br /> <br /> <br /> }<br /> <br /> <br /> <br /> @Override<br /> public Loader<Cursor> onCreateLoader(int id, Bundle args) {<br /> String[] projection = {SandMessagesProvider.KEY_SENDER,SandMessagesProvider.KEY_DATETIME,SandMessagesProvider.KEY_TEXT};<br /> String where = SandMessagesProvider.KEY_SENDER+"=?"+" OR " + SandMessagesProvider.KEY_RECIPIENT+"=?";<br /> String[] whereArgs ={args.getString(KEY_RECIPIENT),args.getString(KEY_RECIPIENT)};<br /> String sortOrder = SandMessagesProvider.KEY_ID;<br /> <br /> Uri queryUri = SandMessagesProvider.CONTENT_URI;<br /> CursorLoader cl = new CursorLoader(this, queryUri, projection, where, whereArgs, sortOrder);<br /> <br /> return cl;<br /> }<br /> <br /> @Override<br /> public void onLoadFinished(Loader<Cursor> loader, Cursor data) {<br /> if (data.getCount()>0){<br /> ArrayList<HashMap<String,String>> al = new ArrayList<HashMap<String, String>>();<br /> <br /> int i=0;<br /> while (data.moveToNext()){<br /> //Log.d("ChatActivity","New hashmap "+i);<br /> HashMap<String,String> hm=new HashMap<String, String>();;<br /> <br /> hm.put(KEY_SENDER,data.getString(0));<br /> hm.put(KEY_DATETIME,data.getString(1));<br /> hm.put(KEY_MSG,data.getString(2));<br /> Log.d("ChatActivity: ","Message: "+hm.get(KEY_MSG)+" | Datetime: "+hm.get(KEY_DATETIME));<br /> al.add(hm);<br /> <br /> i++;<br /> <br /> }<br /> <br /> <br /> sb = new SpeechBubbleAdapter(this,al);<br /> lv.setAdapter(sb);<br /> <br /> }<br /> <br /> }<br /> <br /> @Override<br /> public void onLoaderReset(Loader<Cursor> loader) {<br /> <br /> }<br /> }

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public class ChatActivity extends Activity implements LoaderManager.LoaderCallbacks<Cursor>{

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​

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    EditText msg_et;

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    private String recipient;

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    private EditText ed;

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    private final String KEY_MSG = "message";

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    private final String KEY_SENDER = "sender";

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    private final String KEY_RECIPIENT = "recipient";

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    private final String KEY_DATETIME= "datetime";

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    private SpeechBubbleAdapter sb;

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    private ListView lv;

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​

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    @Override

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    protected void onCreate(Bundle savedInstanceState) {

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        super.onCreate(savedInstanceState);

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        setContentView(R.layout.chat_activity);

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        ed = (EditText) findViewById(R.id.edit_text);

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        msg_et = (EditText) findViewById(R.id.edit_text);

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        recipient = getIntent().getExtras().getString(new ContactsListFragment().KEY_EMAIL);

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        lv =(ListView) findViewById(R.id.chat_list_view);

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        Bundle b = new Bundle();

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        b.putString(KEY_RECIPIENT,recipient);

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        LoaderManager lm = getLoaderManager();

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        lm.initLoader(0, b, this);

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    }

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​

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​

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    @Override

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    public boolean onCreateOptionsMenu(Menu menu) {

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        // Inflate the menu; this adds items to the action bar if it is present.

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        getMenuInflater().inflate(R.menu.chat, menu);

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        return true;

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    }

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​

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    @Override

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    public boolean onOptionsItemSelected(MenuItem item) {

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        // Handle action bar item clicks here. The action bar will

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        // automatically handle clicks on the Home/Up button, so long

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        // as you specify a parent activity in AndroidManifest.xml.

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        int id = item.getItemId();

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        if (id == R.id.action_settings) {

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            return true;

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        }

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        return super.onOptionsItemSelected(item);

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​

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    }

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​

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​

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    public void onClickSendButton(View v) {

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        ContentValues cv = new ContentValues();

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        cv.put(SandMessagesProvider.KEY_SENDER, "Caco@caco.it");  // sender = variabile globale

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        cv.put(SandMessagesProvider.KEY_RECIPIENT, recipient);

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        cv.put(SandMessagesProvider.KEY_DATETIME, FormattedDateTime.getDateTime());

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        cv.put(SandMessagesProvider.KEY_TEXT, ed.getText().toString());

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        ed.setText("");

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        ContentResolver cr = getContentResolver();

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        Uri rowUri = cr.insert(SandMessagesProvider.CONTENT_URI, cv);

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​

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​

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​

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​

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    }

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​

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​

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​

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    @Override

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    public Loader<Cursor> onCreateLoader(int id, Bundle args) {

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        String[] projection = {SandMessagesProvider.KEY_SENDER,SandMessagesProvider.KEY_DATETIME,SandMessagesProvider.KEY_TEXT};

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        String where = SandMessagesProvider.KEY_SENDER+"=?"+" OR " + SandMessagesProvider.KEY_RECIPIENT+"=?";

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        String[] whereArgs ={args.getString(KEY_RECIPIENT),args.getString(KEY_RECIPIENT)};

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        String sortOrder = SandMessagesProvider.KEY_ID;

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​

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        Uri queryUri = SandMessagesProvider.CONTENT_URI;

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        CursorLoader cl = new CursorLoader(this, queryUri, projection, where, whereArgs, sortOrder);

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​

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        return cl;

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    }

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​

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    @Override

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    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {

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        if (data.getCount()>0){

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            ArrayList<HashMap<String,String>> al = new ArrayList<HashMap<String, String>>();

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​

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            int i=0;

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        while (data.moveToNext()){

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            //Log.d("ChatActivity","New hashmap "+i);

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            HashMap<String,String> hm=new HashMap<String, String>();;

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​

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            hm.put(KEY_SENDER,data.getString(0));

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            hm.put(KEY_DATETIME,data.getString(1));

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            hm.put(KEY_MSG,data.getString(2));

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            Log.d("ChatActivity: ","Message: "+hm.get(KEY_MSG)+"  |  Datetime: "+hm.get(KEY_DATETIME));

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            al.add(hm);

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​

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            i++;

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​

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        }

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​

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​

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            sb = new SpeechBubbleAdapter(this,al);

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            lv.setAdapter(sb);

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​

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    }

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​

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    }

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​

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    @Override

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    public void onLoaderReset(Loader<Cursor> loader) {

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​

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    }

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}

Quando lancio l'applicazione nella list view viene mostrato un solo item. Questo è il logcat:

07-21 09:08:36.010      656-656/com.wix.caco85.sand I/ActivityThread﹕ Pub com.wix.caco85.sand.sandcontactsprovider: com.wix.caco85.sand.database.SandContactsProvider
07-21 09:08:36.044      656-656/com.wix.caco85.sand I/ActivityThread﹕ Pub com.wix.caco85.sand.sandmessagesprovider: com.wix.caco85.sand.database.SandMessagesProvider
07-21 09:08:36.462      656-659/com.wix.caco85.sand D/dalvikvm﹕ GC_CONCURRENT freed 200K, 2% free 14329K/14599K, paused 8ms+4ms
07-21 09:08:36.540      656-656/com.wix.caco85.sand D/gralloc_goldfish﹕ Emulator without GPU emulation detected.
07-21 09:09:00.380      656-656/com.wix.caco85.sand D/ChatActivity:﹕ Message: hey  |  Datetime: 14/7/14 9:34:23
07-21 09:09:00.380      656-656/com.wix.caco85.sand D/ChatActivity:﹕ Message: ciao caco  |  Datetime: 14/7/14 9:37:43
07-21 09:09:00.380      656-656/com.wix.caco85.sand D/ChatActivity:﹕ Message: h  |  Datetime: 15/7/14 8:2:32
07-21 09:09:00.380      656-656/com.wix.caco85.sand D/ChatActivity:﹕ Message: ciaooo  |  Datetime: 15/7/14 8:2:39
07-21 09:09:00.380      656-656/com.wix.caco85.sand D/ChatActivity:﹕ Message: heyla  |  Datetime: 15/7/14 8:6:29
07-21 09:09:00.380      656-656/com.wix.caco85.sand D/ChatActivity:﹕ Message: ciao  |  Datetime: 15/7/14 13:31
07-21 09:09:00.390      656-656/com.wix.caco85.sand D/ChatActivity:﹕ Message: hey  |  Datetime: 15/7/14 13:32
07-21 09:09:00.450      656-656/com.wix.caco85.sand D/SpeechBubbleAdapter:﹕ Message: hey  |  Datetime: 14/7/14 9:34:23   |   Position: 0
07-21 09:09:00.460      656-656/com.wix.caco85.sand D/SpeechBubbleAdapter:﹕ Message: hey  |  Datetime: 14/7/14 9:34:23   |   Position: 0
07-21 09:09:00.460      656-656/com.wix.caco85.sand D/SpeechBubbleAdapter:﹕ Message: hey  |  Datetime: 14/7/14 9:34:23   |   Position: 0
07-21 09:09:01.150      656-659/com.wix.caco85.sand D/dalvikvm﹕ GC_CONCURRENT freed 65K, 1% free 14718K/14855K, paused 5ms+114ms

[realirocco]

Ho lo stesso problema, è stata trovata una soluzione?