模拟器联系人显示在列表视图上但不在真实设备上。任何人，帮助我 我需要将我的Android手机的联系人显示在列表视图上。
这是我的活动代码
public class MainActivity extends Activity {
ListView listView;
CustomAdapter customAdapter;
ArrayList<String> nameList = new ArrayList<String>();
ArrayList<String> numberList = new ArrayList<String>();
ArrayList<String> selectedNameList = new ArrayList<String>();
ArrayList<String> selectedNumberList = new ArrayList<String>();
private LinkedHashMap<String, Contact> allContacts = new LinkedHashMap<String, Contact>();
private static ArrayList<Contact> contacts = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView =(ListView) findViewById(R.id.list);
customAdapter = new CustomAdapter();
new ContactsBackground().execute();
}
private class ContactsBackground extends AsyncTask<String ,Integer,Void>{
ProgressDialog dialog;
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
dialog = ProgressDialog.show(MainActivity.this, "", "Loading . . .", true);
}
@Override
protected Void doInBackground(String... params) {
System.out.println("=======one========");
contacts = new ArrayList<Contact>();
// Obtain contacts
getContacts();
return null;
}
@Override
protected void onPostExecute(Void result) {
// TODO Auto-generated method stub
dialog.dismiss();
customAdapter = new CustomAdapter();
listView.setAdapter(customAdapter);
customAdapter.notifyDataSetChanged();
}
}
@SuppressLint("InlinedApi")
private void getContacts() {
ContentResolver cr = getContentResolver();
Cursor cur = cr.query(Data.CONTENT_URI, new String[] { Data.CONTACT_ID, Data.MIMETYPE, Email.ADDRESS,
Contacts.DISPLAY_NAME, Phone.NUMBER,Contacts.Photo.PHOTO }, null, null, Contacts.DISPLAY_NAME);
Contact contact;
if (cur.getCount() > 0) {
while (cur.moveToNext()) {
System.out.println("heyyyyyyyyy"+cur.getCount());
String id = cur.getString(cur.getColumnIndex(Data.CONTACT_ID));
System.out.println("idddddddddd"+id);
String mimeType = cur.getString(cur.getColumnIndex(Data.MIMETYPE));
if (allContacts.containsKey(id)) {
// update contact
contact = allContacts.get(id);
} else {
contact = new Contact();
allContacts.put(id, contact);
// set photoUri
//contact.setContactPhotoUri(getContactPhotoUri(Long.parseLong(id)));
}
if (mimeType.equals(StructuredName.CONTENT_ITEM_TYPE))
// set name
contact.setContactName(cur.getString(cur.getColumnIndex(Contacts.DISPLAY_NAME)));
if (mimeType.equals(Phone.CONTENT_ITEM_TYPE))
// set phone munber
contact.setContactNumber(cur.getString(cur.getColumnIndex(Phone.NUMBER)));
if (mimeType.equals(Email.CONTENT_ITEM_TYPE))
// set email
contact.setContactEmail(cur.getString(cur.getColumnIndex(Email.ADDRESS)));
}
}
cur.close();
// get contacts from hashmap
contacts.clear();
contacts.addAll(allContacts.values());
// remove slef contact
for (Contact _contact : contacts) {
if (!(_contact.getContactNumber() == null))
{
nameList.add(_contact.getContactName());
numberList.add(_contact.getContactNumber());
}
if (_contact.getContactName() == null && _contact.getContactNumber() == null
&& _contact.getContactEmail() == null) {
contacts.remove(_contact);
break;
}
}
}
static class ViewHolder{
protected TextView userNameText;
protected TextView numberText;
protected CheckBox check;
}
public class CustomAdapter extends BaseAdapter{
@Override
public int getCount() {
// TODO Auto-generated method stub
return nameList.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return nameList.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
ViewHolder holder;
holder=new ViewHolder();
LayoutInflater inflater = MainActivity.this.getLayoutInflater();
convertView =inflater.inflate(R.layout.contact_list, null);
holder.userNameText = (TextView) convertView.findViewById(R.id.nameID);
holder.numberText = (TextView) convertView.findViewById(R.id.numberID);
holder.check = (CheckBox) convertView.findViewById(R.id.checkboxID);
holder.userNameText.setText(" "+nameList.get(position).toString());
holder.numberText.setText(" "+numberList.get(position).toString());
for(int i=0;i<selectedNumberList.size();i++){
if(numberList.get(position).toString().equals(selectedNumberList.get(i).toString())){
holder.check.setChecked(true);
}
}
holder.check.setOnCheckedChangeListener(new CheckedChangeListner());
convertView.setTag(holder);
holder.check.setTag(position);
return convertView;
}
}
class CheckedChangeListner implements OnCheckedChangeListener{
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// TODO Auto-generated method stub
int pos = (Integer) buttonView.getTag();
if(isChecked){
selectedNumberList.add(numberList.get(pos).toString());
selectedNameList.add(nameList.get(pos).toString());
System.out.println("======"+nameList.get(pos).toString()+" added");
}
else
{
selectedNumberList.remove(numberList.get(pos).toString());
selectedNameList.remove(nameList.get(pos).toString());
System.out.println("======"+nameList.get(pos).toString()+" removed");
}
}
}
}