课工场 “微服私访”项目学习（六）

本身上周五，就应该写好了，磨磨唧唧到了这周一才把这个闹完，

今天的内容呢，首页的fragment中加入两个recycyleView
其实挺简单的，就是recycleView的是简单使用（我也不知道任务list为什么没有显示内容，但是debug的时候数据获取到了，先不纠结了）。

源码地址

http://www.kgc.cn/bbs/post/154701.shtml

HomeFragment

public class HomeFragment extends BaseFragment implements View.OnClickListener {private View view;//根布局private RelativeLayout progress, home_fragment_task;private TextView task_more, info_more;private TextView sort_shop, sort_visit, sort_train;private ViewPager vp;private LinearLayout rl_http_failed;private RecyclerView task_lv, info_lv;private InfoListBaseAdapter info_adapter;private TaskListBaseAdapter task_adapter;private MainActivity mainActivity;private List<View> views;//轮播图展示图片viewprivate MViewpager vp_adapter;//viewpager适配器private Timer timer;//计时器private LinearLayout layout;//轮播图下标集合private int count = 0;//轮播图当前下标public final int GetImags = 1014;//获取广告图返回码private final int AnnFaild = 1011;//获取广告图失败返回码private String userid;//用户idprivate Boolean isLoad;//是否登录private List<InfoResultBody> info_list;private List<TaskBody> task_list;private int mShowSize = 3;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);}@Overridepublic View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {view = inflater.inflate(R.layout.fragment_home, container, false);LogUtils.i(TAG, "首页界面加载..........");initView();//初始化UI组件initdata();//初始化数据return view;}/*** 初始化控件加载*/private void initView() {vp = (ViewPager) view.findViewById(R.id.fragment_img_viewpager);home_fragment_task = (RelativeLayout) view.findViewById(R.id.home_fragment_task);layout = (LinearLayout) view.findViewById(R.id.fragment_point_subscript);rl_http_failed = (LinearLayout) view.findViewById(R.id.rl_http_failed);rl_http_failed.setOnClickListener(this);progress = (RelativeLayout) view.findViewById(R.id.message_fregment_progress);task_more = (TextView) view.findViewById(R.id.fragment_home_task_more);task_more.setOnClickListener(this);info_more = (TextView) view.findViewById(R.id.fragment_home_info_more);info_more.setOnClickListener(this);sort_shop = (TextView) view.findViewById(R.id.fragment_sort_shop);sort_shop.setOnClickListener(this);sort_visit = (TextView) view.findViewById(R.id.fragment_sort_visit);sort_visit.setOnClickListener(this);sort_train = (TextView) view.findViewById(R.id.fragment_sort_train);sort_train.setOnClickListener(this);layout = (LinearLayout) view.findViewById(R.id.fragment_point_subscript);task_lv = (RecyclerView) view.findViewById(R.id.fragment_home_task_list);info_lv = (RecyclerView) view.findViewById(R.id.fragment_home_info_list);task_lv.setLayoutManager(new LinearLayoutManager(mContext, LinearLayoutManager.VERTICAL, false));info_lv.setLayoutManager(new LinearLayoutManager(mContext, LinearLayoutManager.VERTICAL, false));task_lv.setNestedScrollingEnabled(false);info_lv.setNestedScrollingEnabled(false);}/*** 初始化数据展示*/private void initdata() {if (views == null) {views = new ArrayList<View>();}vp_adapter = new MViewpager();vp.setAdapter(vp_adapter);//添加界面滚动监听vp.addOnPageChangeListener(vp_adapter);//首页轮播图获取OkHttpManager.getInstance().getNet(Constant.Announcement, new OkHttpManager.ResultCallback() {@Overridepublic void onFailed(Request request, IOException e) {getAnnFailure();}@Overridepublic void onSuccess(String response) {getAnnSuccess(response);}});//请求资讯OkHttpManager.getInstance().getNet(Constant.Info + "?pagenum=" + 1 + "&type=" + 0, new OkHttpManager.ResultCallback() {@Overridepublic void onFailed(Request request, IOException e) {getInfoFailed();}@Overridepublic void onSuccess(String response) {getInfoSuccess(response);}});
//        if (isLoad) {home_fragment_task.setVisibility(View.VISIBLE);//登录后请求任务OkHttpManager.getInstance().getNet(Constant.Task + "?pagenum=" + 1, new OkHttpManager.ResultCallback() {@Overridepublic void onFailed(Request request, IOException e) {getTaskFailed();}@Overridepublic void onSuccess(String response) {getTaskSuccess(response);}});
//        }}/*** 从服务端获取任务信息失败* 此时展示数据库缓存数据*/private void getTaskFailed() {progress.setVisibility(View.GONE);rl_http_failed.setVisibility(View.VISIBLE);//展示保存数据task_list = DataSupport.findAll(TaskBody.class);if (task_list != null) {task_adapter = new TaskListBaseAdapter(mContext, task_list, mShowSize);task_lv.setAdapter(task_adapter);}}/*** 从服务端获取任务信息成功*/private void getTaskSuccess(String response) {Log.i("getTaskSuccess",response);progress.setVisibility(View.GONE);Gson gson = new Gson();Task task = gson.fromJson(response, Task.class);//适配资讯列表if (task.getBody() != null) {task_list = task.getBody();task_adapter = new TaskListBaseAdapter(mContext, task_list, mShowSize);task_lv.setAdapter(task_adapter);//从数据库清除数据保存DataSupport.deleteAll(TaskBody.class);//添加新数据到数据库DataSupport.saveAll(task.getBody());}}/*** 从服务端获取资讯信息失败* 此时展示数据库缓存数据*/private void getInfoFailed() {progress.setVisibility(View.GONE);rl_http_failed.setVisibility(View.VISIBLE);//展示保存数据info_list = DataSupport.findAll(InfoResultBody.class);if (info_list != null) {info_adapter = new InfoListBaseAdapter(mContext, info_list, mShowSize);info_lv.setAdapter(info_adapter);}}/*** 从服务端获取资讯信息成功*/private void getInfoSuccess(String response) {progress.setVisibility(View.GONE);Gson gson1 = new Gson();InfoResult info = gson1.fromJson(response, InfoResult.class);//适配资讯列表if (info.getBody() != null) {info_list = info.getBody();info_adapter = new InfoListBaseAdapter(mContext, info_list, mShowSize);info_lv.setAdapter(info_adapter);//从数据库清除数据保存DataSupport.deleteAll(InfoResultBody.class);//添加新数据到数据库DataSupport.saveAll(info.getBody());}}/*** 从服务端获取公告信息失败* 此时展示数据库缓存数据*/private void getAnnFailure() {//从数据库中获取数据List<AnnImgs> imgs_dblist = DataSupport.findAll(AnnImgs.class);if (imgs_dblist != null) {updateAnnShow(imgs_dblist);}}/*** 从服务端获取公告信息成功*/private void getAnnSuccess(String resultImgs) {//服务端返回有效数据则展示，没有不做处理if (resultImgs != null && !"".equals(resultImgs)) {Gson gson = new Gson();AnnImageResult air = gson.fromJson(resultImgs, AnnImageResult.class);List<AnnImgs> imgs_list = air.getBody();if (imgs_list == null) {imgs_list = new ArrayList<AnnImgs>();}updateAnnShow(imgs_list);//更新缓存if (imgs_list.size() > 0) {//从数据库清除数据保存DataSupport.deleteAll(AnnImgs.class);//添加新数据到数据库DataSupport.saveAll(imgs_list);}}}/*** 根据公告图片地址动态更新界面** @param imgs_dblist*/private void updateAnnShow(List<AnnImgs> imgs_dblist) {views.clear();//动态创建轮播展示viewfor (int i = 0; i < imgs_dblist.size(); i++) {ImageView img = new ImageView(mActivity);img.setScaleType(ImageView.ScaleType.CENTER_CROP);//通过网络地址显示图片Picasso.with(mActivity).load(Constant.BaseUrl + imgs_dblist.get(i).getImgUrl()).into(img);views.add(img);}//更新界面显示vp_adapter.notifyDataSetChanged();//添加指示器下标点initPoint();//开启任务计时器if (timer == null) {timer = new Timer();timer.schedule(task, 0, 3000);}}/*** Called when a view has been clicked.** @param v The view that was clicked.*/@Overridepublic void onClick(View v) {}//创建viewpager适配器class MViewpager extends PagerAdapter implements ViewPager.OnPageChangeListener {@Overridepublic boolean isViewFromObject(View arg0, Object arg1) {return arg0 == arg1;}@Overridepublic int getCount() {return views.size();}@Overridepublic void destroyItem(ViewGroup container, int position, Object object) {container.removeView(views.get(position));}@Overridepublic Object instantiateItem(ViewGroup container, int position) {container.addView(views.get(position));return views.get(position);}/*** viewpager滑动监听，动态更改指示下标的选中状态* @param position*/@Overridepublic void onPageSelected(int position) {for (int i = 0; i < layout.getChildCount(); i++) {ImageView image = (ImageView) layout.getChildAt(i);if (i == position) {image.setSelected(true);} else {image.setSelected(false);}}}@Overridepublic void onPageScrollStateChanged(int arg0) {}@Overridepublic void onPageScrolled(int arg0, float arg1, int arg2) {}}Handler mHandler = new Handler() {@Overridepublic void handleMessage(android.os.Message msg) {switch (msg.what) {case Constant.Scroll://接收滚动消息，并执行vp.setCurrentItem(count);break;default:break;}}};/*** 创建图片变化下标图标*/public void initPoint() {//清除所有指示下标layout.removeAllViews();for (int i = 0; i < views.size(); i++) {ImageView img = new ImageView(mActivity);//添加下标圆点参数LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);params.leftMargin = 5;params.rightMargin = 5;img.setLayoutParams(params);img.setImageResource(R.drawable.sns_v2_page_point);if (i == 0) {img.setSelected(true);}layout.addView(img);}}// 创建记时器发送图片轮播消息TimerTask task = new TimerTask() {@Overridepublic void run() {if (count == views.size()) {count = 0;} else {count = count + 1;}mHandler.sendEmptyMessage(Constant.Scroll);}};
}

InfoListBaseAdapter

public class InfoListBaseAdapter extends RecyclerView.Adapter<InfoListBaseAdapter.InfoViewHolder> {private Context mContext;private List<InfoResultBody> list;int number;public InfoListBaseAdapter(Context mContxt, List<InfoResultBody> list, int number) {this.mContext = mContxt;this.list = list;this.number = number;}@Overridepublic InfoViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {View view = View.inflate(mContext, R.layout.fragment_home_info_item, null);return new InfoViewHolder(view);}@Overridepublic void onBindViewHolder(InfoViewHolder holder, final int position) {InfoResultBody rd = list.get(position);holder.title.setText(rd.getTitle());holder.context.setText(rd.getSummary());if (!"".equals(rd.getImgurl().trim()) && rd.getImgurl() != null) {Picasso.with(mContext).load(rd.getImgurl()).into(holder.img);}holder.root.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {//跳转到资讯详情Toast.makeText(mContext, "资讯详情界面敬请期待" + position, Toast.LENGTH_SHORT).show();}});}@Overridepublic int getItemCount() {if (list.size() > 0) {return number;} else {return 0;}}class InfoViewHolder extends RecyclerView.ViewHolder {ImageView img, arrow;TextView title, context;RelativeLayout root;public InfoViewHolder(View itemView) {super(itemView);arrow = (ImageView) itemView.findViewById(R.id.fragment_home_info_item_arrow);img = (ImageView) itemView.findViewById(R.id.fragment_home_info_item_img);context = (TextView) itemView.findViewById(R.id.fragment_home_info_item_context);title = (TextView) itemView.findViewById(R.id.fragment_home_info_item_title);root = (RelativeLayout) itemView.findViewById(R.id.item_root_home);}}}

TaskListBaseAdapter

public class TaskListBaseAdapter extends RecyclerView.Adapter<TaskListBaseAdapter.TaskViewHolder> {private Context mContxt;private List<TaskBody> list;private int count;public TaskListBaseAdapter(Context mContxt, List<TaskBody> list, int count) {this.mContxt = mContxt;this.list = list;this.count = count;}@Overridepublic TaskViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {View view = View.inflate(mContxt, R.layout.fragment_home_task_item, null);return new TaskViewHolder(view);}@Overridepublic void onBindViewHolder(TaskViewHolder holder, final int position) {TaskBody rd = list.get(position);holder.title.setText(rd.getTitle());Log.i("getTitle",rd.getTitle());if (position == count - 1) {holder.view.setVisibility(View.GONE);}holder.root.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {//跳转到任务详情Toast.makeText(mContxt, "任务详情界面敬请期待", Toast.LENGTH_SHORT).show();}});}@Overridepublic int getItemCount() {if (list.size() > 0) {return count;} else {return 0;}}class TaskViewHolder extends RecyclerView.ViewHolder {ImageView arrow;TextView title;RelativeLayout root;View view;public TaskViewHolder(View itemView) {super(itemView);arrow = (ImageView) itemView.findViewById(R.id.fragment_home_task_item_arrow);title = (TextView) itemView.findViewById(R.id.fragment_home_task_item_title);root = (RelativeLayout) itemView.findViewById(R.id.item_root_home);view = itemView.findViewById(R.id.item_home_task);}}}

课程中提到的cardView，在

http://blog.csdn.net/qq_33413264/article/details/75973090

recycleView在后边的文章中会着重写一个博客

还有6节，抓紧看，感觉最近又要忙了

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