如何检查是否在android手机簿中的联系人启用了WhatsApp的？ [英] How to Check if a contact on android phone book has whatsapp enabled?

问题描述

有关从我的通讯录给定的数字，我需要看行动如果数值WhatsApp的功能。 （这个想法是选择短信/ WhatsApp的发起文本意图）

For a given number from my address book, I need to look-up if the number has whatsapp enabled. (The idea is to choose SMS/WhatsApp for initiating a text intent)

可以说，我有两个号码下的接触，我需要知道哪一个使WhatsApp的。

Lets say, I have two numbers under a contact, And I need to know which one has whatsapp enabled.

上的Nexus 4人的应用程序，同时显示联系人号码， 而且也略低于有一个连接部分，它只显示WhatsApp的可能联系。

The "People" app on the Nexus 4 shows both contact numbers, And also a little below has a CONNECTIONS section, which shows only the WhatsApp possible contact.

有没有一种方法来查找（像人们如何应用程序做）？

Is there a way to look up(like how People app does) ?

推荐答案

如果你想知道，如果这种接触有WhatsApp的：

If you want to know if this contact has WhatsApp:

String[] projection = new String[] { RawContacts._ID };
String selection = ContactsContract.Data.CONTACT_ID + " = ? AND account_type IN (?)";
String[] selectionArgs = new String[] { "THE_CONTACT_DEVICE_ID", "com.whatsapp" };
Cursor cursor = activity.getContentResolver().query(RawContacts.CONTENT_URI, projection, selection, selectionArgs, null);
boolean hasWhatsApp = cursor.moveToNext());
if (hasWhatsApp){
    String rowContactId = cursor.getString(0)
}

和寻找到该联系人的数量已经WhatsApp的

And to find to which number of this contact has WhatsApp

projection = new String[] { ContactsContract.Data.DATA3 };
selection = ContactsContract.Data.MIMETYPE + " = ? AND " + ContactsContract.Data.RAW_CONTACT_ID + " = ? ";
selectionArgs = new String[] { "vnd.android.cursor.item/vnd.com.whatsapp.profile", rawContactId };
cursor = CallAppApplication.get().getContentResolver().query(ContactsContract.Data.CONTENT_URI, projection, selection, selectionArgs, "1 LIMIT 1");
String phoneNumber = null;
if (cursor.moveToNext()) {
    phoneNumber = cursor.getString(0);
}

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