Stack Overflow
Stack Overflow

Questions tagged [whatsapp]

WhatsApp Messenger is a proprietary, cross-platform instant messaging application for smartphones. In addition to basic messaging and video calling, WhatsApp Messenger users can send each other images, video and audio media messages.

WhatsApp Messenger is a cross-platform mobile messenger supporting end-to-end encryption. It replaces SMS and works through the existing internet data plan of a device. Aside from supporting text messages, it also supports sharing (GIF) images, videos and audio messages.

WhatsApp is available for iPhone, Android and Windows Phone devices. It can additionally be accessed via the internet browser of desktops.

For more information, visit WhatsApp.com or read the Wikipedia entry on WhatsApp.

3065 questions
5
votes
1 answer

The Whatsapp wa.me link does not correctly display the emoji sent in the text parameter on the desktop and web

I'm using the link wa.me in a web application for open a chat with a message with emojis. With the message like "Hi " the formed link is like this: https://wa.me/XXXXXXXXXXXXX?text=Hi+%F0%9F%98%89 When the user opens this link on the smartphone…
Gustavo Fabro
  • 71
  • 1
  • 3
5
votes
2 answers

Flutter open app after receiving fcm onBackgroundMessage

I have integrated FCM with flutter and when I send data message from server its working fine. My question is how can I use onBackgroundMessage to open the app or specific screen. Actually I'm building video calling app using agora and I want to show…
Mark
  • 69
  • 5
5
votes
0 answers

When is WhatsApp Business API sending more that one element in "messages" array in inbound notifications?

As specified in WhatsApp Business API, one inbound notification message contain a messages property, that is an array of objects: https://developers.facebook.com/docs/whatsapp/api/webhooks/inbound#fields I always find only one element in this array,…
greuze
  • 4,250
  • 5
  • 43
  • 62
5
votes
2 answers

KaiOS - Share using WhatsApp

I'm trying to develop an app for KaiOS where I want to share text messages with WhatsApp. I tried with deep-links like: app://whatsapp/send whatsapp://send Both didn't work. Does anyone know how share content with WhatsApp?
julient-monisnap
  • 774
  • 2
  • 8
  • 25
5
votes
0 answers

How to "click to chat" whatsapp groups or multiple numbers

I find the click to chat function of Whatsapp extremely useful. As you all know, it is very simple. Just type: https://api.whatsapp.com/send?phone=XXXXXXXXXX&text=example (where XXXXXXXXXX stands for any number starting with country code,…
Vanni
  • 51
  • 2
5
votes
3 answers

Why doesn't an image show up in WhatsApp link sharing?

I'm trying to enrich a web site with Open Graph data, to let the page author decide which image and texts show up in a preview on social media. However, I can't get WhatsApp to show a small image in the sharing card. My current markup looks like…
Marcel Korpel
  • 21,536
  • 6
  • 60
  • 80
5
votes
0 answers

Is there a way to download WhatsApp web images from blob urls instead of clicking the download button?

I need to know if it is possible to download a WhatsApp web Image with urllib or any other library of python. The dom img gives a blob url and blob urls as protocols are not allowed by urllib as it expects only http/ftp . On looking at the network…
Raghul Roshan
  • 69
  • 5
5
votes
1 answer

Make og:video play inline whatsapp and facebook

Is it possible to add OG:video data to the head of a website so that whatsapp and facebook can play the video inline? I have currently only seen this working with youtube and instagram links. Whenever I copy the whole meta data from a working…
Matthias
  • 141
  • 3
  • 11
5
votes
1 answer

iOS Swift Image Quantization to reduce the number of colors in PNG Image

I want to reduce the number of colors in image i.e., 24-bit PNG files to smaller 8-bit indexed color images. I want to create WhatsApp stickers on the iOS device by picking from gallery, as it allowed 512 X 512 pixels size and less then 100k file…
dev
  • 87
  • 1
  • 5
5
votes
0 answers

Share image plus text via Whatsapp with React Native

I am working on a react native app and one of my needs is to be able to share via Whatsapp, a png image (created from a svg) plus some text in the message. I have achieved this on Android using react-native-share but when I try it on iOS, the…
pgzm29
  • 160
  • 1
  • 13
5
votes
2 answers

How to check if WhatsApp is installed on device?

Linking.openURL(`whatsapp://send?phone=${phoneNumber}`); The above code will navigate to WhatsApp however I'm wondering if it's possible to check existence of WhatsApp before trying to openURL
Isaac
  • 12,042
  • 16
  • 52
  • 116
5
votes
2 answers

How do people develop WhatsApp mods like GBWhatsapp, etc (with extra features) when the source code of WhatsApp is not available?

Many third party whatsapp mods are developed with so many cool features like automatic replies, notifications when a person of interest comes online, message timer, etc. When whatsapp hasn't released any source code and with reverse engineering…
Vaibhav S
  • 115
  • 1
  • 12
5
votes
2 answers

Send WhatsApp message from C#

I was trying to send a WhatsApp message using a console application and all my searches I made on the internet for the same lead me to the NuGet WhatsAppAPI. I understand that because this not being an official client WhatsApp has blocked it…
Suraj Nair
  • 561
  • 1
  • 8
  • 27
5
votes
4 answers

How to make a `text + line-break + link` for sharing on Whatsapp?

I tried many approaches online explaining the issue, but didn't find the one could fit with my need. I want to make a share to whatsapp link on my website for each product, including product name, line-break and link. Something like this: Product…
Kardo
  • 1,658
  • 4
  • 32
  • 52
5
votes
1 answer

Share image and text to whatsapp in single share in swift 4

Could anyone suggest me how to share image with text to whatsaap or any alternative for the same.I have tried it using UIActivityViewController but its possible to share image+text simultaneously on mail bt not on whatsaap . Help will be…
dev
  • 51
  • 1
  • 4
1 2 3
…
99 100