Cómo establecer el enfoque predeterminado en EditText en Android

 etSearch.requestFocus();
 public void showSoftKeyboard(View view) {
        if (view.requestFocus()) {
            InputMethodManager imm = (InputMethodManager)
                  getSystemService(Context.INPUT_METHOD_SERVICE);
           imm.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT);
     }
  }
  
  menifest:
 android:windowSoftInputMode="stateVisible"
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