从查找 URI 获取电话号码

Question

我一直在尝试使用联系人的查找 URI 获取联系人的电话号码，但没有成功。

Cursor myC = getContentResolver().query(lookupURI, null, null,
                        null, null);
                String phoneNumber;
                if (myC.moveToFirst()) {
                    while (myC.moveToNext()) {
                        phoneNumber = myC.getString(myC
                                .getColumnIndex(Phone.NUMBER));
                        Log.v("t", "phone number is: " + phoneNumber);
                    }
                }

其中 lookupURI.toString() 是这个 URI：content://com.android.contacts/contacts/lookup/0r1-304846522C3052482C4A3442423C3248/1

任何人都知道我在做什么错误的？

Answer 1

不能保证这适用于 4.0，因为我有一段时间没有使用它了，但在 2.3.3 上运行良好：

为了获取 contactId，我首先让用户选择一个联系人：

public void clickSelectContact(View v) {
    Intent i = new Intent(Intent.ACTION_PICK, ContactsContract.CommonDataKinds.Phone.CONTENT_URI);
    startActivityForResult(i, CONTACTS_REQUEST_CODE);
}

当用户选择了一个联系人时它回到这个方法：

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if(requestCode == CONTACTS_REQUEST_CODE){
        if(resultCode == RESULT_OK){
             Uri uri = data.getData();
             System.out.println("uri: "+uri);
             System.out.println("PHONE NUMBER: " +  PhoneUtils.getContactPhoneNumber(this, uri.getLastPathSegment()));
        }
    }
}

它调用我的静态 util 类：

private static final String TAG = "PhoneUtils";

public static String getContactPhoneNumber(Context context, String contactId) {
   int type = ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE;
   String phoneNumber = null;

   String[] whereArgs = new String[] { String.valueOf(contactId), String.valueOf(type) };

   Log.d(TAG, "Got contact id: "+contactId);

   Cursor cursor = context.getContentResolver().query(
                            ContactsContract.CommonDataKinds.Phone.CONTENT_URI, 
                            null,
                            ContactsContract.CommonDataKinds.Phone._ID + " = ? and " + ContactsContract.CommonDataKinds.Phone.TYPE + " = ?", 
                            whereArgs, 
                            null);

  int phoneNumberIndex = cursor.getColumnIndexOrThrow(ContactsContract.CommonDataKinds.Phone.NUMBER);

  if (cursor != null) {
       Log.d(TAG, "Returned contact count: "+cursor.getCount());
       try {
             if (cursor.moveToFirst()) {
                 phoneNumber = cursor.getString(phoneNumberIndex);
             }
            } finally {
               cursor.close();
            }
   }

  Log.d(TAG, "Returning phone number: "+phoneNumber);
  return phoneNumber;
}

其中 contactId = LookupURI.getLastPathSegment();

这么简单的事情竟然这么复杂！ :-(

Ps，您可能需要在清单中获得此许可：

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