Android_BaseFragment的定义

最新推荐文章于 2024-02-07 16:20:19 发布

原创最新推荐文章于 2024-02-07 16:20:19 发布 · 695 阅读

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本文介绍了一个抽象基类BaseFragment的设计，该基类继承自Fragment，用于简化Fragment的创建过程。文章详细展示了BaseFragment中关键方法的实现，包括onAttach、onDetach、onCreateView、onViewCreated和onActivityCreated等。

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/**
 * Author:DoctorWei
 * Time:2018/11/3 11:16
 * Description:基类Fragment
 * email:1348172474@qq.com
 */

public abstract class BaseFragment extends Fragment {
    private BaseActivity mActivity;

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        mActivity= (BaseActivity) context;
    }
    @Override
    public void onDetach() {
        super.onDetach();
        mActivity=null;
    }
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view=inflater.inflate(getLayoutId(),container,false);
        return view;
    }

    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        init(view);
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        initData(savedInstanceState);
    }
    protected abstract int getLayoutId();

    protected abstract void init(View view);

    protected abstract void initData(Bundle savedInstanceState);