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Editorial Team
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Asked: 2026-05-31T05:20:00+00:00

My Android app uses its Application class (to be precise its Application subclass) to

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My Android app uses its Application class (to be precise its Application subclass) to run a thread to retrieve data from a website. Once it does it successfully it is supposed to give this data to the running Activity (there are 2 activities in my app). How could I notify the Activity about this? How can I tell the current Activity that there is new available data that should be retrieved and presented?
Thanks for your answers.

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1 Answer

  1. Editorial Team

    What about using a broadcast system.

    You can get the context in the Application class by using getApplicationContext();
    Then you can send your own custom broadcast:

    Intent i = new Intent();
i.setAction("your.package.customintent.TEST");
context.sendBroadcast(i);

    Then you can implement broadcast receiver in your activity’s to receive the broadcast.
    More info here: http://thinkandroid.wordpress.com/2010/02/02/custom-intents-and-broadcasting-with-receivers/

    You can set the data that you want to send in the Intent by using putExtra.
    But you can also store it in a database and by using the broadcasts you let the activity know that there is new data available

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