有很多关于同一主题的讨论,但在这里花了 4 个小时后,我找不到有效的描述或链接来制作带有复选框的联系人选择器。
我有一个带有DONE按钮listview
和checkbox
. 我设法正确显示了联系人。现在我想以 a bundle
(我认为最好的方式)返回选定的联系电话号码,以便我可以在onActivityResult()
. 我不确定我遵循的方式是否正确。
这是我的代码:
public class ContactPickerMulti extends ListActivity implements OnClickListener {
// List variables
public String[] Contacts = {};
public int[] to = {};
public ListView myListView;
Button save_button;
private TextView phone;
private String phoneNumber;
private Cursor cursor;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.contacts_multi);
// Initializing the buttons according to their ID
save_button = (Button) findViewById(R.id.contact_done);
// Defines listeners for the buttons
save_button.setOnClickListener(this);
Cursor mCursor = getContacts();
startManagingCursor(mCursor);
ListAdapter adapter = new SimpleCursorAdapter(
this,
android.R.layout.simple_list_item_multiple_choice,
mCursor,
Contacts = new String[] { ContactsContract.Contacts.DISPLAY_NAME },
to = new int[] { android.R.id.text1 });
setListAdapter(adapter);
myListView = getListView();
myListView.setItemsCanFocus(false);
myListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
}
private Cursor getContacts() {
// Run query
Uri uri = ContactsContract.Contacts.CONTENT_URI;
String[] projection = new String[] { ContactsContract.Contacts._ID,
ContactsContract.Contacts.DISPLAY_NAME };
String selection = ContactsContract.Contacts.HAS_PHONE_NUMBER + " = '"
+ ("1") + "'";
String[] selectionArgs = null;
String sortOrder = ContactsContract.Contacts.DISPLAY_NAME
+ " COLLATE LOCALIZED ASC";
return managedQuery(uri, projection, selection, selectionArgs,
sortOrder);
}
public void onClick(View src) {
Intent i;
switch (src.getId()) {
case R.id.contact_done:
SparseBooleanArray selectedPositions = myListView
.getCheckedItemPositions();
SparseBooleanArray checkedPositions = myListView
.getCheckedItemPositions();
if (checkedPositions != null) {
for (int k = 0; k < checkedPositions.size(); k++) {
if (checkedPositions.valueAt(k)) {
String name =
((Cursor)myListView.getAdapter().getItem(k)).getString(1);
Log.i("XXXX",name + " was selected");
}
}
}
break;
}
}
}
我想将数字作为数组或列表发送。做这个的最好方式是什么?任何帮助或导致正确的道路都受到高度赞赏。