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SplashScreen.java import android.content.Intent; import android.content.SharedPreferences; import android.os.Handler; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class SplashScreen extends AppCompatActivity { SharedPreferences sharedPreferences; Boolean firstTime; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_splash_screen); sharedPreferences = getSharedPreferences("MyPrefs",MODE_PRIVATE); firstTime = sharedPreferences.getBoolean("firstTime",true); if (firstTime){ new Handler().postDelayed(new Runnable() { @Override public void run() { SharedPreferences.Editor editor = sharedPreferences.edit(); firstTime = false; editor.putBoolean("firstTime",