How to prevent custom home launcher app restart activity?

Question

I am working on my own home launcher replacement and it works fine but one thing bothers me. When I press a home key, current home activity (the one defined in manifest as m

Answer 1

Add

if (!isTaskRoot()) {
    finish();
    return;
}

to the onCreate() of your first Activity (see Android application restarts when opened by clicking the application icon).

Answer 2

Add android:launchMode="singleInstance" to your <activity> element in the manifest.