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In an app a user can choose contacts that get sent a message on a specific event. We want to add support for instant messaging apps like WhatsApp or Threema.

Is it possible to get a list of all messaging apps the contact is known to have?

Additional question: Can I send a message through those messaging apps without additional button click by the user?

Badenlebt
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  • *Is it possible to get a list of all messaging apps the contact is known to have?* ... if messaging apps use account API and put this information to the contact's database ... *Can I send a message ...without additional button click by the user?* ... fortunately, mostly no, but it depends on messaging app (fx you can build one which just send a message if you use some Intnet) – Selvin Jun 16 '15 at 12:10
  • But some apps can for example post to facebook, without the user approving every single post. Does this mean the apps would have to provide a special API – Badenlebt Jun 16 '15 at 12:13

1 Answers1

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You can use share intent. It will enable you to share through all installed apps.
See this link for help
Android: Share plain text using intent (to all messaging apps)

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