I'm trying to find some ways to send a post notification to specific android device using its UUID , so I will do the following :
1 : login screen on android and then get UUID number from the device
2 : send this UUID to online database linked to userID
3 : I want to know how to send post notification to a specific UUID which I get from my database ?
Sending notification to android device using java is very easy.
If you want to push the notification directly from REST client, then you can refer this
If you want to send notifications from your java program, then follow these simple steps,
Create a Sender, that will send the notification
com.google.android.gcm.server.Sender sender = new Sender("pass your gcm api key here");
Then create a message object that will contain the data that you want to send
com.google.android.gcm.server.Message message = new Message.Builder().addData("key","value").build();
addData("key","value")
in above code will add the key value in json to be send.
Then you can choose any of send method provided in Sender
class
com.google.android.gcm.server.Result result = sender.send(message, device_token, no of retries);
There are total four version of send method available. You can find more detail about Sender class here
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