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Android 自动完成 textview 和 Cursoradapter

转载 作者:塔克拉玛干 更新时间:2023-11-02 20:13:51 25 4
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嗨 我需要创建一个自动完成 TextView ,其中建议应该是联系人姓名和组织名称的组合,我使用的是 2.1 操作系统。我可以显示联系人姓名,但不能显示组织名称,我该怎么做。

public class myactivity extends Activity {
/** Called when the activity is first created. */
public static EditText ed;
private String id;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
AutoCompleteTextView act=(AutoCompleteTextView)findViewById(R.id.AutoCompleteTextView01);
ed=(EditText)findViewById(R.id.EditText01);
ContentResolver content = getContentResolver();
Cursor cursor = content.query(ContactsContract.Contacts.CONTENT_URI,PEOPLE_PROJECTION, null, null, null);
ContactListAdapter adapter = new ContactListAdapter(this, cursor);
act.setThreshold(0);
act.setAdapter(adapter);

}


public static final String[] PEOPLE_PROJECTION = new String[] {
ContactsContract.Contacts._ID,
Contacts.DISPLAY_NAME,

ContactsContract.Contacts.HAS_PHONE_NUMBER
};

}
class ContactListAdapter extends CursorAdapter implements Filterable {
private ContentResolver mCR;

public ContactListAdapter(Context context, Cursor c) {
super(context, c);
mCR = context.getContentResolver();
}


@Override
public void bindView(View view, Context context, Cursor cursor) {


((TextView) view).setText(cursor.getString(1));
}


@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
final LayoutInflater inflater = LayoutInflater.from(context);
final TextView view = (TextView) inflater.inflate( android.R.layout.simple_dropdown_item_1line, parent, false);


view.setText(cursor.getString(1));

return view;

}
@Override
public String convertToString(Cursor cursor) {



return cursor.getString(1);
}
public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
if (getFilterQueryProvider() != null) {
return getFilterQueryProvider().runQuery(constraint);
}

StringBuilder buffer = null;
String[] args = null;
if (constraint != null) {
buffer = new StringBuilder();
buffer.append("UPPER(");
buffer.append(Contacts.DISPLAY_NAME);
buffer.append(") GLOB ?");
args = new String[] { constraint.toString().toUpperCase() + "*" };
}

return mCR.query(ContactsContract.Contacts.CONTENT_URI,myactivity.PEOPLE_PROJECTION , buffer == null ? null : buffer.toString(), args,
Contacts.DISPLAY_NAME);
}

}

最佳答案

要检索组织名称,您应该按以下方式搜索数据表:

private static final String ORGANIZATION_PROJECTION = new String[] {     
ContactsContract.CommonDataKinds.Organization.COMPANY
}

public String getOrganizationForContact ( int contact_id ) {
Cursor c;
String org = null;

c = getContentResolver().query ( ContactsContract.Data.CONTENT_URI,
ORGANIZATION_PROJECTION,
ContactsContract.Data.MIMETYPE + "=? AND " + ContactsContract.Data.CONTACT_ID + " =?",
new String[] { ContactsContract.CommonDataKinds.Organization.CONTENT_ITEM_TYPE, "" + contact_id },
null
);

if ( c != null && c.moveToFirst() ) {
org = c.getString ( 0 );
}

c.close();
return org;
}

PS:我没有试过这段代码,但是非常相似。我希望这也能奏效,或者至少能有所帮助

关于Android 自动完成 textview 和 Cursoradapter,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/4758107/

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