Finish activity from Another activity onBackPressed

OnKeyPreImeListener onKeyPreImeListener;

public void setOnKeyPreImeListener(OnKeyPreImeListener onKeyPreImeListener) {
    this.onKeyPreImeListener = onKeyPreImeListener;
}

@Override
public boolean onKeyPreIme(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_UP) {
        if(onKeyPreImeListener != null)
            onKeyPreImeListener.onBackPressed();
        Log.d(TAG, "HIDING KEYBOARD");
        return false;
    }
    return super.dispatchKeyEvent(event);
}

public interface OnKeyPreImeListener {
    void onBackPressed();
}

EditTextGraphee.OnKeyPreImeListener onKeyPreImeListener = 
        new EditTextGraphee.OnKeyPreImeListener() {
        @Override
        public void onBackPressed() {
            Log.d(TAG, "CALL BACK RECEIVED");
            MyActivity.this.onBackPressed();
        }
    };
editText.setOnKeyPreImeListener(onKeyPreImeListener);

@Override
public void onBackPressed() {
    super.onBackPressed();
  Intent i=new Intent(this,MainActivity.class);
  i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); 
  i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  finish();
}