Magicindicator——一个好用的的可以结合Viewpager指示器 可以参考我的上一篇关于Magicindicator
BRAVH——一个好用的RecyclerView第三方类（强烈建议使用）！BRAVH官方介绍链接 点击打开链接
先上效果图：
这个Demo中用到的其他框架：
代码体系：
ok上代码：
/**
* _ooOoo_
* o8888888o
* 88" . "88
* (| -_- |)
* O\ = /O
* ____/`---'\____
* .' \\| |// `.
* / \\||| : |||// \
* / _||||| -:- |||||- \
* | | \\\ - /// | |
* | \_| ''\---/'' | |
* \ .-\__ `-` ___/-. /
* ___`. .' /--.--\ `. . __
* ."" '< `.___\_<|>_/___.' >'"".
* | | : `- \`.;`\ _ /`;.`/ - ` : | |
* \ \ `-. \_ __\ /__ _/ .-` / /
* ======`-.____`-.___\_____/___.-`____.-'======
* `=---='
* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
* 佛祖保佑 永无BUG
* 佛曰:
* 写字楼里写字间，写字间里程序员；
* 程序人员写程序，又拿程序换酒钱。
* 酒醒只在网上坐，酒醉还来网下眠；
* 酒醉酒醒日复日，网上网下年复年。
* 但愿老死电脑间，不愿鞠躬老板前；
* 奔驰宝马贵者趣，公交自行程序员。
* 别人笑我忒疯癫，我笑自己命太贱；
* 不见满街漂亮妹，哪个归得程序员？
*/
public class MainActivity extends AppCompatActivity {
private List<Fragment> fragmentList;
private List<IdBean> idBeans;
MagicIndicator magicindicator;
ViewPager viewpager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
viewpager = findViewById(R.id.viewpager);
magicindicator = findViewById(R.id.Magicindicator);
idBeans = new ArrayList<>();
initdata();
// viewPgerAdapter = new ViewPgerAdapter(getSupportFragmentManager(),fragmentList);
// initMagicindicator(idBeans);
}
private void initdata() {
//联网获取数据，获取Magicindicator的头部标签和 下文中获取咨询信息的id
OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder().url("").build();
okHttpClient.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
String responceText = response.body().string();
if (!responceText.isEmpty()) {
JSONArray jsonArray = null;
idBeans.clear();
try {
jsonArray = new JSONArray(responceText);
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject jsonObject = jsonArray.getJSONObject(i);
int id = jsonObject.getInt("id");
String title = jsonObject.getString("title");
IdBean idBean = new IdBean(id, title);
idBeans.add(idBean);
}
runOnUiThread(new Runnable() {
@Override
public void run() {
//将数据放入Magicindicator中
initMagicindicator(idBeans);
}
});
} catch (JSONException e) {
e.printStackTrace();
}
}
}
});
}
private void initMagicindicator(final List<IdBean> idBeans) {
//创建Fragment集合用来存放获取到每一个头部标签所对应的fragment
fragmentList = new ArrayList<>(idBeans.size());
for (int i = 0; i < idBeans.size(); i++) {
NewsFragment newsFragment = new NewsFragment();
Bundle bundle = new Bundle();
//将数据传入Fragment
bundle.putInt("id", idBeans.get(i).getId());
newsFragment.setArguments(bundle);
fragmentList.add(newsFragment);
}
viewpager.setAdapter(new ViewPgerAdapter(getSupportFragmentManager(), fragmentList));
magicindicator.setBackgroundColor(Color.WHITE);
CommonNavigator commonNavigator = new CommonNavigator(this);
//设置头部标签的滑动焦点位置
commonNavigator.setScrollPivotX(0.2f);
commonNavigator.setAdapter(new CommonNavigatorAdapter() {
@Override
public int getCount() {
return idBeans == null ? 0 : idBeans.size();
}
@Override
public IPagerTitleView getTitleView(Context context, final int index) {
//设置头部标签类型
SimplePagerTitleView simplePagerTitleView = new SimplePagerTitleView(context);
simplePagerTitleView.setPadding(Dp2PxUtil.Dp2Px(context, 20),
Dp2PxUtil.Dp2Px(context, 6),
Dp2PxUtil.Dp2Px(context, 20),
Dp2PxUtil.Dp2Px(context, 6));
simplePagerTitleView.setNormalColor(R.color.colorPrimaryDark);
simplePagerTitleView.setSelectedColor(
R.color.colorPrimary);
simplePagerTitleView.setText(MainActivity.this.idBeans.get(index).getContent());
simplePagerTitleView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
viewpager.setCurrentItem(index);
}
});
return simplePagerTitleView;
}
@Override
public IPagerIndicator getIndicator(Context context) {
//设置头部标签指示器
WrapPagerIndicator indicator = new WrapPagerIndicator(context);
indicator.setFillColor(Color.parseColor("#DEE6F9"));
indicator.setHorizontalPadding(Dp2PxUtil.Dp2Px(context, 10));
indicator.setRoundRadius(Dp2PxUtil.Dp2Px(context, 5));
return indicator;
}
});
magicindicator.setNavigator(commonNavigator);
ViewPagerHelper.bind(magicindicator, viewpager);
}
NewsFragment代码
public class NewsFragment extends Fragment {
private int id;
@BindView(R.id.recyclerview)
RecyclerView recyclerview;
Unbinder unbinder;
private List<NewsFragmentBean> beans;
private RecyclerViewAdapter recyclerViewAdapter;
private boolean isMore = true;
private int typeid;
private int mPage;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.news_fragment_layout, container, false);
// //设置滑动RecyclerView 的页数为2，
// 因为每次我们滑动Viewpager的时候都会请求网络刷新RecyclerView的adapter，//
// 如果我们一次性将所有的数据全部加载，//
// 显然这种想法可行，但不推荐，所以后台数据也是定义了相应的页数id来返回相对应的页面数据，我们在代码中滑动viewpager第一次请求数据页数默认设置为1//
// 每次滑动到最后一个item就会进行加载下面的数据，当然 BRAVH中有执行上拉刷新的代码，我们只需要调用就可以了//
mPage = 2;
beans = new ArrayList<>();
Bundle bundle = this.getArguments();
typeid = bundle.getInt("id");
// int pagerid = bundle.getInt("pager");
Log.e("typeid+pagerid", typeid + " ");
okContentHttp(typeid);
unbinder = ButterKnife.bind(this, view);
return view;
}
private void okContentHttp(int id) {
OkHttpClient okHttpClient = new OkHttpClient();
//每个fragment第一次加载数据，此处设置页面id默认设置为1
FormBody formBody = new FormBody.Builder().add("typeid", id + "").add("page", 1 + "").build();
Request request = new Request.Builder().post(formBody).url("").build();
okHttpClient.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
String responseText = response.body().string();
if (!responseText.isEmpty()) {
Log.e("reponseText", responseText);
JSONArray jsonArray = null;
try {
beans.clear();
jsonArray = new JSONArray(responseText);
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject jsonObject = jsonArray.getJSONObject(i);
String title = jsonObject.getString("title");
String titme = jsonObject.getString("time");
int comment = jsonObject.getInt("comment");
String source = jsonObject.getString("source");
String summary = jsonObject.getString("summary");
int id = jsonObject.getInt("id");
String thumbnail = jsonObject.getString("thumbnail");
Log.e("title", title + " " + titme);
final NewsFragmentBean bean = new NewsFragmentBean(id, title, comment, thumbnail, source, titme, summary);
beans.add(bean);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
recyclerViewAdapter = new RecyclerViewAdapter(R.layout.recycler_view_item_layout, beans);
recyclerViewAdapter.openLoadAnimation(BaseQuickAdapter.SLIDEIN_LEFT);//设置RecyclerView加载的动画
recyclerViewAdapter.isFirstOnly(false);//设置动画不仅仅是第一次加载显示
LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getContext(), LinearLayoutManager.VERTICAL, false);
recyclerview.setLayoutManager(linearLayoutManager);
recyclerview.setAdapter(recyclerViewAdapter);
initView(beans);
// recyclerViewAdapter.notifyDataSetChanged();
}
});
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}
});
}
private void initView(final List<NewsFragmentBean> beans) {
//adpater添加新数据
recyclerViewAdapter.setNewData(beans);
//adapter在上拉刷时进行加载数据
recyclerViewAdapter.setOnLoadMoreListener(new BaseQuickAdapter.RequestLoadMoreListener() {
@Override
public void onLoadMoreRequested() {
if (beans.size() <= 10) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
recyclerViewAdapter.loadMoreEnd();
}
});
} else if (isMore) {
onLoadokContentHttp(typeid, mPage);
}
}
});
}
private void onLoadokContentHttp(int id, final int mPagea) {
//每上加载数据一次，页面Id加一;
mPage++;
Log.e("mpageridloadok", mPagea + "");
OkHttpClient okHttpClient = new OkHttpClient();
FormBody formBody = new FormBody.Builder().add("typeid", id + "").add("page", mPagea + "").build();
Request request = new Request.Builder().post(formBody).url("").build();
okHttpClient.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
String responseText = response.body().string();
if (!responseText.equals("[]")) {
Log.e("reponseText", responseText);
JSONArray jsonArray = null;
try {
jsonArray = new JSONArray(responseText);
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject jsonObject = jsonArray.getJSONObject(i);
String title = jsonObject.getString("title");
String titme = jsonObject.getString("time");
int comment = jsonObject.getInt("comment");
String source = jsonObject.getString("source");
String summary = jsonObject.getString("summary");
int id = jsonObject.getInt("id");
String thumbnail = jsonObject.getString("thumbnail");
Log.e("title", title + " " + titme);
final NewsFragmentBean bean = new NewsFragmentBean(id, title, comment, thumbnail, source, titme, summary);
beans.add(bean);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
initView(beans);
recyclerViewAdapter.notifyDataSetChanged();
// recyclerViewAdapter.notifyItemChanged(mPagea);
}
});
}
} catch (JSONException e) {
e.printStackTrace();
}
} else {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
//如果没有数据就设置停止加载，阻止上拉刷新
recyclerViewAdapter.loadMoreEnd();
return;
}
});
}
}
});
}
@Override
public void onDestroyView() {
super.onDestroyView();
unbinder.unbind();
}
ok，其他的代码不一一列出，欢迎大家指出问题。