Android how to programmatically hide launcher icon

Question

my app is designed to only need to be run once. As such I want to hide the icon from the launcher after the first run, but without uninstalling the app.

I have seen

Answer 1

Hide app's icon using below code

PackageManager pkg=this.getPackageManager();
pkg.setComponentEnabledSetting(new ComponentName(this,SplashActivity.class),PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
                        PackageManager.DONT_KILL_APP);

// activity which is first time open in manifiest file which is declare as

Here is how to bring back the app's icon

PackageManager p = getPackageManager();
ComponentName componentName = new ComponentName(this,SplashActivity.class);
p.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);