Android学习之调用系统联系人页面返回联系人信息

权限：

<uses-permission android:name="android.permission.READ_CONTACTS" /><uses-permission android:name="android.permission.WRITE_CONTACTS" />

Intent intent = new Intent();
intent.setAction(Intent.ACTION_PICK);intent.addCategory(Intent.CATEGORY_DEFAULT);intent.setType(ContactsContract.CommonDataKinds.Phone.CONTENT_TYPE);
startActivityForResult(intent, 1);

    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        super.onActivityResult(requestCode, resultCode, data);        if (resultCode == Activity.RESULT_OK) {            ContentResolver contentResolver = getContentResolver();            Uri contactData = data.getData();            // 获取联系人姓名，id            Cursor cursor = getContentResolver().query(contactData, null, null, null, null);            cursor.moveToFirst();            String username = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));            String contactId = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));            cursor.close();            // 根据id获取联系人电话            Cursor phoneCursor = contentResolver.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,                    null,//                    ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = " + contactId,                    "_id = " + contactId,                    null,                    null,                    null);            String usernumber1 = null;            while (phoneCursor.moveToNext()) {                usernumber1 = phoneCursor.getString(phoneCursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));            }            phoneCursor.close();            showToast(username + "----" + usernumber1);        }    }

查询所有联系人

Uri uri = Uri.parse("content://icc/adn");Cursor phone = reContentResolverol.query(uri,        null,        null,        null,        null);while (phone.moveToNext()) {    int numberIndex = phone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);    if(numberIndex == -1){        numberIndex = phone.getColumnIndex("number"); // Android2.2    }    String phoneNumber = phone.getString(numberIndex);    showToast(username + "----" + phoneNumber);}