Let's Chat about WeChat... one year later

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Subscription/ Service Accounts

Subscription/ Service Accounts (cont’d)

What’s the status of my
order ORD-22746248??
(ORD)-d{8}
Hello Alessio!
Your order number
ORD-22746248 left our
warehouse yesterday at
11:45pm HKT.
You can track the shipment
using this link:
https://track.aftership.com/
1ZXF14759096815439
Your
server
Tencent
server
In-chat
SELECT *
FROM ORDERS
WHERE ID=
”ORD-22746248”

SELECT *
FROM ORDERS
WHERE ID=
”ORD-22746248”
What’s the status of my
order ORD-22746248??
Hello Alessio!
Your order number
ORD-22746248 left our
warehouse yesterday at
11:45pm HKT.
using this link:
1ZXF14759096815439
Your
server
Tencent
server
In-chat

Let me know when my order
ORD-22746248 is delivered!
Hello Alessio!
Your order number
ORD-22746248 have been
delivered today at 11:45pm
HKT.
using this link:
1ZXF14759096815439
Your
server
Tencent
server
In-chat
INSERT INTO
NOTIF (id, event)
VALUES
(“ORD-22746248”,
“delivered”);
!

Your
server
Tencent
server
In-Browser
web page
2. open
page in
embedded
web
browser
1. send
event
message
to your
server (via
Tencent)

In-Browser
IF
a. page runs inside the WeChat browser
b. page runs from an authorised domain
c. page provide valid auth token/signature
THEN
page can use the WeChat JS API (via
wx./jWeixin. object)
When the page opens, you have to wait for the browser to call:
wx.ready(function(){ // ... });
then you can start making calls to the WeChat JS API.
wx.checkJsApi({
jsApiList: ['chooseImage'] // List of JS APIs to be checked.
success: function(res) {
// Key-value pairs, false for unavailable APIs
// Example:
// { "checkResult": {"chooseImage":true},
// "errMsg":"checkJsApi:ok" }
});
Each API calls, as a result of its invocation, some callbacks:
● success: ok
● fail: ko
● complete: called no matter what
Some API have also:
● cancel: if the API displays an UI with buttons and the user tap cancel
● trigger: called when some menu items are clicked

JavaScript API
● Share on Moments/ Send to Chat
● Image Picker/ Camera/ Image Preview/ Upload/ Download
● Audio Record/Play/Upload/Download
● Voice Dictation
● Device Info and Network Status
● Location
○ View Location on a Map within WeChat
○ Get Location
● Interface Controls
● Hide/ Display Top Right Menu
● Hide/Close Current Window
● Hide/ Display menu items and item groups
● Scanning a QR Code
● Coupons picker
● Add/ View Coupons in WeChat Card Pack
● WiFi hotspot
● Request a payment (¥ amount from the user’s WeChat Wallet)
...this essentially is the “WeChat Platform” everyone’s talking about: some JS, and a web browser!
http://admin.wechat.com/wiki/

Mini-apps:
● Login
● UI widget library (animation, slides, pickers, …)
● Canvas
● Local data storage
● Requests, Websockets
● Image Picker/ Camera/ Image Preview/ Upload/ Download
● Audio Record/Play/Upload/Download
● Device Info and Network Status, Sensors (compass, accelerometer, ..)
● File upload/management
● Location
○ View Location on a Map within WeChat
○ Get Location
● Scanning a QR Code
● Coupons picker
● Add/ View Coupons in WeChat Card Pack
● Can be added to home screen
● Request a payment (¥ amount from the user’s WeChat Wallet)
( https://pay.weixin.qq.com/wiki/doc/api/index.html )
https://mp.weixin.qq.com/debug/wxadoc/dev/api/?t=20161122

Some services built on top of WeChat...
https://www.grata.co/

...beyond WeChat?
WhatsApp have no public API, and actively ban
numbers of applications that interface with their
servers directly using FunXMPP.
Line have what they call
“Business Connect”.
You can send/receive
messages, and develop
“channel web apps” similar to
the way you do in WeChat
official accounts.

...beyond WeChat?
https://developers.facebook.com/docs/messenger-plat
form/complete-guide/payments

...beyond WeChat?
https://developer.apple.com/reference/applepayjs
https://developers.google.com/web/updates/
2016/07/payment-request
https://developers.google.com/web/fundame
ntals/discovery-and-monetization/payment-re
quest/

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