Starting an activity from a service after HOME button pressed without the 5 seconds delay

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Here is a solution I found.

Put your intent that you want to start immediately in a PendingIntent, then call the send() Method on it.

So instead of this

Intent intent = new Intent(context, A.class);
                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                context.startActivity(intent);

just do this

Intent intent = new Intent(context, A.class);
                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                PendingIntent pendingIntent =
                        PendingIntent.getActivity(context, 0, intent, 0);
                try {
                    pendingIntent.send();
                } catch (PendingIntent.CanceledException e) {
                    e.printStackTrace();
                }

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