Technical Blog of Android

The android activity provides 7 call backs which will be invoked based on the states of the activity For better undersatnding,The Activity A and Activity B with the all the call backs overridden. ActivityA :  public class ActivityA extends Activity {     @Override    protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         Log.e("A-OnCreate", "Object Creation");     }     public void next(View v) {         Intent i = new Intent(this, Main2Activity.class);         startActivity(i);     }     @Override    protected void onStart() {         super.onStart();         Log.e("A-onStart", "View is visible but will not be able to interact");     } ...