Android 在复选框中显示联系人和电话号码
我尝试使用此代码在列表视图中的复选框中显示电话号码:Android 在复选框中显示联系人和电话号码,android,listview,checkbox,contactscontract,Android,Listview,Checkbox,Contactscontract,我尝试使用此代码在列表视图中的复选框中显示电话号码: @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.main1); lv = (ListView) findViewById(R.id.contactList
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main1);
lv = (ListView) findViewById(R.id.contactList);
Cursor numberCursor = null;
Cursor peopleCursor = getContentResolver().query(ContactsContract
.Contacts.CONTENT_URI,null,null
,null,null);
String [] nb = null ;
String [] Tname = null;
if(peopleCursor.getCount()>0)
{
peopleCursor.moveToFirst();
for(int i=0;i<peopleCursor.getCount();i++)
{
//get number
numberCursor=getContentResolver().query(ContactsContract
.CommonDataKinds.Phone.CONTENT_URI,
new String[]{ContactsContract.CommonDataKinds.Phone.NUMBER}
,ContactsContract.CommonDataKinds.Phone._ID+"="+peopleCursor
.getString(peopleCursor.getColumnIndex(ContactsContract.Contacts._ID)),
null,null);
numberCursor.moveToFirst();
String number=numberCursor.getString(numberCursor
.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
nb[i]=number;
//get name
String name=peopleCursor.getString(numberCursor
.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
Tname[i]=name;
peopleCursor.moveToNext();
}
SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,
R.layout.contact_entry, numberCursor,nb,
new int[] {R.id.checkBox});
lv.setAdapter(adapter);
}
}
首先,我认为在使用之前,您应该定义nb和Tname的大小:
String[] Tname = new String[peopleCursor.getCount()];
String[] nb = new String[numberCursor.getCount()];
但我认为问题在于你联系人列表中的每个人都可能有一个或多个电话号码。
因此,对于
peopleCursor
和numberCursor
应该有两个循环。并且您的索引(i
在您的代码中)应仅用于数组Tname是的,我定义了nb和Tname的大小,但总是相同的错误-->“android.database.CursorIndexOutOfBoundsException:请求索引0,大小为0”
String[] Tname = new String[peopleCursor.getCount()];
String[] nb = new String[numberCursor.getCount()];