Intent i = new Intent(ActivityA.this,ActivityB.class); 
StartActivity.this.startActivity(i); 
overridePendingTransition(android.R.anim.fade_in,android.R.anim.fade_out); 

  this.getParent().overridePendingTransition 

@Override 
  public void onClick(View v) { 
    // TODO Auto-generated method stub 
    switch (v.getId()) { 
    case R.id.back: 
      this.finish(); 
      overridePendingTransition(0, R.anim.push_up_out); 
      break; 
 
    default: 
      break; 
    } 
  }