We want User A to be able to receive a signal or message from User B while User A’s phone is not in use (off/sleep).
We need an app that listens in the background for a message from either another app or server when the users phone is off (user pushes power button to put phone to sleep). We will refer to the first user as User A. Another user (User B) using the same app will send a message either directly to User A or to an intermediate server (node.js / signalR). That message will then be received by User A. User A’s phone will vibrate and notify them, that they have a message from User B. User A turns phone on or unlocks their screen, and the app opens (or the user brings the app into the foreground) to view the message.
Preferred solution or app should be native java app, supporting the lowest possible Android version. So if your solution can only support Lollipop, please note so in your documentation.
We will also accept Apache Cordova solutions with source code for plugin.
Any combination of native or bridge solution will be accepted as long as the goal is met.
Bu iş için 24 freelancer ortalamada $1090 teklif veriyor
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