android - 列出数组中的联系人

Question

我有一个包含一些电话号码的数组，我想选择并列出也在我的数组中的设备联系人。

现在我只能显示数组中的第一个电话号码。

这是我的代码:

public class Contacts extends ListActivity {
    SharedPreferences settings ;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.contacts);
        setTitle("Choose a phone");
        // Query: contacts with phone shorted by name
        settings = this.getSharedPreferences(SETTINGS, Context.MODE_PRIVATE);
        String message = settings.getString("contacts", "0,0");
        String [] contacts = message.split(",");

        String query = " IN (";
        for (int i = 1; i < contacts.length; i++) {
            query += contacts[i];
            if (i < contacts.length - 1)
                query += ",";
        }
        query += ")";


        Cursor mCursor = getContentResolver().query(
                Data.CONTENT_URI,
                new String[] { Data._ID, Data.DISPLAY_NAME, Phone.NUMBER, Phone.TYPE }, Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "' AND " + Phone.NUMBER + " IS NOT NULL AND " + Phone.NUMBER + query, null, Data.DISPLAY_NAME + " ASC");
        startManagingCursor(mCursor);

        // Setup the list
        ListAdapter adapter = new SimpleCursorAdapter(this, // context
                android.R.layout.simple_list_item_2, // Layout for the rows
                mCursor, // cursor
                new String[] { Data.DISPLAY_NAME, Phone.NUMBER }, // cursor
                // fields
                new int[] { android.R.id.text1, android.R.id.text2 } // view
        // fields
                );
        setListAdapter(adapter);
    }

Answer 1

我不确定这是否是唯一的问题。你没有在 IN statemet 中使用撇号

你可以尝试使用

String query = " IN (";
        for (int i = 1; i < contacts.length; i++) {
            query+= "'";
            query += contacts[i];
            query+= "'";
            if (i < contacts.length - 1)
                query += ",";
        }
        query += ")";