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2012-09-22T14:04:41.223
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The answer provided by Heejin is excellent, but it's not important to implement a custom ArrayAdaptor. What only I needed to do is to write a custom layout and send it to the <code>SimpleCursorAdaptor</code> constructor. The custom layout represent the layout of each item in the list view. I need each row to contain a <code>CheckedTextView</code> and another small <code>TextView</code> as a subitem. So I've made a layout called row_view.xml with the following content <pre><code><?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <CheckedTextView android:id="@+id/checkedTextView" android:layout_width="fill_parent" android:layout_height="wrap_content" android:checkMark="?android:attr/listChoiceIndicatorMultiple" android:text="CheckedTextView" /> <TextView android:id="@+id/textView" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Small Text" android:textAppearance="?android:attr/textAppearanceSmall" /> </LinearLayout> </code></pre> Then I've just used it in the constructor <pre><code>SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, R.layout.row_view, // Use a template // that displays a // text view c, // Give the cursor to the list adapter new String[] { ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME, ContactsContract.CommonDataKinds.Phone.NUMBER}, new int[] { R.id.checkedTextView, R.id.textView},0); setListAdapter(adapter); </code></pre> This is the full code <pre><code>public class MultipleContacts extends ListActivity implements OnItemClickListener { private static final String[] PROJECTION = new String[] { ContactsContract.CommonDataKinds.Phone._ID ,ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME ,ContactsContract.CommonDataKinds.Phone.NUMBER }; SimpleCursorAdapter adapter; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.multiple_contacts); getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); getListView().setOnItemClickListener(this); // Get a cursor with all people CursorLoader cl = new CursorLoader(this,ContactsContract.CommonDataKinds.Phone.CONTENT_URI, PROJECTION, null, null, ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME+" ASC"); Cursor c = cl.loadInBackground(); adapter = new SimpleCursorAdapter(this, R.layout.row_view, // Use a template // that displays a // text view c, // Give the cursor to the list adapter new String[] { ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME, ContactsContract.CommonDataKinds.Phone.NUMBER}, new int[] { R.id.checkedTextView, R.id.textView},0); setListAdapter(adapter); } @Override public void onItemClick(AdapterView<?> parent, View v, int position, long id) { //what to do when an item is clicked CheckedTextView checkedTextView = (CheckedTextView) v.findViewById(R.id.checkedTextView); Toast.makeText(this, checkedTextView.getText(), Toast.LENGTH_SHORT).show(); } } </code></pre> Please note that I've two layouts, one for the list view itself(called <code>multiple_contacts</code>) and the provided layout here (called <code>row_view</code>) is the layout for each item in the list view. All what I need from <code>multiple_contacts</code> is to write <code>setContentView(R.layout.multiple_contacts);</code>
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