Live app development to determine whether the user is logging in to the platform for the first time

live broadcast app Development , Determine whether the user is the relevant code implemented by the platform for the first time

@Override protected void onCreate(Bundle savedInstanceState) {
    
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        firstRun();
    }

private void firstRun() {
    
    SharedPreferences sharedPreferences = getSharedPreferences("FirstRun",0);
    Boolean firstrun = sharedPreferences.getBoolean("First",true); if (firstrun){
    
        sharedPreferences.edit().putBoolean("First",false).commit();
        Toast.makeText(this," for the first time ",Toast.LENGTH_LONG).show();
    }
    else {
    
        Toast.makeText(this," Not for the first time ",Toast.LENGTH_LONG).show();
    }
}

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