package com.example.myapplication; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; public class MainActivity extends AppCompatActivity { private int a = 5; private TextView text; private Handler handler = new Handler(); private Runnable runnable = new Runnable() { @Override public void run() { a--; text.setText(a+""); if(a==0){ Intent intent = new Intent(MainActivity.this,HomeActivity.class); startActivity(intent); }else{ handler.postDelayed(runnable,1000); } } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); text = (TextView) findViewById(R.id.tv_text); handler.postDelayed(runnable,1000); } }