此案例主要讲的是Android控件Gridview（九宫格）完美实现仿支付宝首页，包含添加和删除功能；Fragment底部按钮切换的效果，包含四个模块，登录页面圆形头像等，一个小项目的初始布局。

效果图：

自定义GridView

首页代码

/** * 首页 */public class HomeFragment extends Fragment implements  View.OnClickListener {    private View view;    private TextView tv_sign;    private Intent intent;    private ZQScrollGridView gridView;    private static HomeAdapter adapter;    public static List
    
      listPosition;    public static List
     
       list;    private static ACache aCache;    private Context context;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        return inflater.inflate(R.layout.fragment_home, container, false);    }    @Override    public void onActivityCreated(@Nullable Bundle savedInstanceState) {        // TODO Auto-generated method stub        super.onActivityCreated(savedInstanceState);        view = getView();        aCache = ACache.get(getActivity());        context = getActivity();        initView();    }    public void initView() {        tv_sign = (TextView) view.findViewById(R.id.home_sign);        tv_sign.setOnClickListener(this);        gridView = (ZQScrollGridView) view.findViewById(R.id.home_gridview);        onLoad();    }    public void onLoad() {        adapter = new HomeAdapter(getActivity());        gridView.setAdapter(adapter);        gridView.setOnItemClickListener(onItemClickListener);        gridView.setOnItemLongClickListener(onItemLongClickListener);        showData();    }    /*****     * 刷新数据     */    private void notifyData() {        adapter.notifyDataSetChanged();    }    @Override    public void onClick(View v) {        switch (v.getId()) {        }    }    public Handler handler = new Handler() {        public void handleMessage(Message msg) {            if (msg.what == 1) {                showLongClick(false);            } else if (msg.what == 2)//删除            {                showDelete();            }        }    };    AdapterView.OnItemClickListener onItemClickListener = new AdapterView.OnItemClickListener() {        @Override        public void onItemClick(AdapterView
       parent, View view, int position, long id) {            if (position == (listPosition.size() - 1)) {                intent = new Intent(getActivity(), SearchActivity.class);                intent.putExtra("list", (Serializable) listPosition);                startActivityForResult(intent, 1);            }            else {            }        }    };    AdapterView.OnItemLongClickListener onItemLongClickListener = new AdapterView.OnItemLongClickListener() {        @Override        public boolean onItemLongClick(AdapterView
       parent, View view, int position, long id) {            if (position == (listPosition.size() - 1)) {                return false;            }            showLongClick(true);            Message msg = new Message();            msg.what = 1;// 删除            msg.obj = 1;            LoginFragmentActivity.handler.sendMessage(msg);            return false;        }    };    @Override    public void onActivityResult(int requestCode, int resultCode, Intent data) {        super.onActivityResult(requestCode, resultCode, data);        if (requestCode == 1) {            if (resultCode == 1) {                if (data.getStringExtra("key").equals("2")) {                    listPosition.clear();                    listPosition = HomeData.POSITION(aCache);                    notifyData();                }            }        }    }    private void showData() {        listPosition = HomeData.POSITION(aCache);        list = new ArrayList
      
       ();        for (int i = 0; i < 34; i++) {            UserBean user = new UserBean(HomeData.IMG[i], HomeData.TITLE[i], false, false);            list.add(user);        }        notifyData();    }    /***     * 删除     */    private void showDelete() {        //删除缓存        String home = "";        for (int i = 0; i < listPosition.size() - 1; i++) {            UserBean userBean = list.get(listPosition.get(i));            if (!userBean.isCheck()) {                home += listPosition.get(i) + ",";            }        }        aCache.remove("home");        listPosition.clear();        try {            UtilFileDB.ADDFile(aCache, "home", home.substring(0, (home.length() - 1)));            if (listPosition == null || listPosition.size() <= 1) {                listPosition = HomeData.POSITION(aCache);            }        } catch (Exception e) {            listPosition.add((list.size()-1));//只留加号        }        showLongClick(false);    }    /****     * 重新刷新数据     *     * @param isvisibility     */    private void showLongClick(boolean isvisibility) {        list.clear();        for (int i = 0; i < 34; i++) {            UserBean user = new UserBean(HomeData.IMG[i], HomeData.TITLE[i], false, isvisibility);            list.add(user);        }        HomeFragment.list.get(33).setIsvisibility(false);        notifyData();    }}
      
     
    

由于代码太多未完全给出，源码直接下载即可（点击下载）

源码点击下载：