Android将应用重新带到前台

Question

I am devloping an app that has to work in the background and come back up when I get an event from some server.

For that I have a Service that runs in the background and gets messages. What I tought I could do was just start the Activity. Like this:

Intent ROA = new Intent(MainActivity.getInstance(), RouteOverviewActivity.class);
MainActivity.getInstance().startActivity(ROA);

The problem is this. The code gets executed but the app is not pushed in the foreground. When I reopen the app by hand, it opens at the activity I started in the background.

So everything works exept that the app is pushed to the foreground.

Thanks for your help.

Answer 1

You should probably use your service as the context to start the activity, ie from inside your service code:

Intent ROA = new Intent(this, RouteOverviewActivity.class);
startActivity(ROA);