获取手机联系人

最新推荐文章于 2024-11-16 16:32:25 发布

zhouxiaohe666

最新推荐文章于 2024-11-16 16:32:25 发布

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本文链接：https://blog.youkuaiyun.com/zhouxiaohe666/article/details/79426761

本文介绍了一个基于Android平台的地址簿Fragment实现方式，通过查询联系人数据并将其展示在一个ListView中。利用ContentResolver从系统中获取联系人信息，并使用Fresco进行图片加载优化。

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public class AddressBookFragment extends Fragment {
    private ListView my_address_book_listview;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        Fresco.initialize(getContext());
        View view = inflater.inflate(R.layout.address_booklayout, container, false);
        initView(view);
//        ArrayList<HashMap<String, String>> readContact = readContact();
        // System.out.println(readContact);

        ArrayList<String> readContact = getReadContact();
        my_address_book_listview.setAdapter(new ArrayAdapter<String>(getContext(),android.R.layout.simple_expandable_list_item_1,readContact));
        return view;
    }

    Uri uri= ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
    private ArrayList<String> getReadContact() {
        ContentResolver resolver = getContext().getContentResolver();
        Cursor query = resolver.query(uri, null, null, null, null);
        ArrayList<String> arr = new ArrayList<String>();
        while(query.moveToNext()){
            String name = query.getString(query.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
            String num = query.getString(query.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
            arr.add(name+","+num);
        }
    return arr;
    }

    private void initView(View view) {
        my_address_book_listview = (ListView) view.findViewById(R.id.my_address_book_listview);
    }
    /**
     *得到联系人
     **/
    private ArrayList<HashMap<String, String>> readContact() {
        // 首先,从raw_contacts中读取联系人的id("contact_id")
        // 其次, 根据contact_id从data表中查询出相应的电话号码和联系人名称
        // 然后,根据mimetype来区分哪个是联系人,哪个是电话号码

        Uri rawContactsUri = Uri.parse("content://com.android.contacts/raw_contacts");
        Uri dataUri = Uri.parse("content://com.android.contacts/data");

        ArrayList<HashMap<String, String>> list = new ArrayList<HashMap<String, String>>();

        // 从raw_contacts中读取所有联系人的id("contact_id")
        Cursor rawContactsCursor = getContext().getContentResolver().query(rawContactsUri,
                new String[] { "contact_id" }, null, null, null);
        if (rawContactsCursor != null) {
            while (rawContactsCursor.moveToNext()) {
                String contactId = rawContactsCursor.getString(0);
                // System.out.println("得到的contact_id="+contactId);

                // 根据contact_id从data表中查询出相应的电话号码和联系人名称, 实际上查询的是视图view_data
                Cursor dataCursor = getContext().getContentResolver().query(dataUri,
                        new String[] { "data1", "mimetype" }, "contact_id=?",
                        new String[] { contactId }, null);

                if (dataCursor != null) {
                    HashMap<String, String> map = new HashMap<String, String>();
                    while (dataCursor.moveToNext()) {
                        String data1 = dataCursor.getString(0);
                        String mimetype = dataCursor.getString(1);
                        // System.out.println(contactId + ";" + data1 + ";"
                        // + mimetype);
                        if ("vnd.android.cursor.item/phone_v2".equals(mimetype)) {//手机号码
                            map.put("phone", data1);
                        } else if ("vnd.android.cursor.item/name".equals(mimetype)) {//联系人名字
                            map.put("name", data1);
                        }
                    }
                    list.add(map);
                    dataCursor.close();
                }
            }
            rawContactsCursor.close();
        }
        return list;
    }
}