TextFragment extends BaseFragment

TextFragment.java

public class TextFragment extends BaseFragment {

    private TextView mTextView;
    private ArrayList<String> mTexts;

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mTexts = new ArrayList<>();
    }

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        @SuppressLint("InflateParams")
        View view = LayoutInflater.from(context).inflate(R.layout.f_text, null);

        mTextView = (TextView) view.findViewById(R.id.f_text_textview);

        addText();

        return view;
    }

    private void addText() {
        for (int i = 1; i <= 10; i++) {
            mTexts.add(String.valueOf(i));
        }
    }

    @Override
    public void change() {
        if (mTexts.size() > 0) {
            int randomPosition = RandomUtils.getInt(mTexts.size());

            mTextView.setText(mTexts.get(randomPosition));
        }
    }
}