在 Project 的gradle中添加
allprojects {
repositories {
jcenter()
maven { url "https://jitpack.io" }
}
}
在 gradle中添加
compile 'com.google.code.gson:gson:2.2.4'
compile 'com.squareup.picasso:picasso:2.3.2'
compile 'com.android.support:recyclerview-v7:25.0.0'
compile 'com.github.CymChad:BaseRecyclerViewAdapterHelper:2.9.30'
compile 'com.github.bumptech.glide:glide:4.0.0'
//必须使用
compile 'com.lzy.net:okgo:3.0.4'
compile 'com.lzy.net:okserver:2.0.5'
compile 'com.elvishew:xlog:1.4.0'
//新版本预览版-发现bug请加群提出，并切换 1.0.3 版本
compile 'com.scwang.smartrefresh:SmartRefreshLayout:1.0.4-alpha-9'
compile 'com.android.support:appcompat-v7:25.3.1'//版本随意（必须）
compile 'com.android.support:design:25.3.1'
清单文件
几个类
public class MyApplication extends Application {
static {
SmartRefreshLayout.setDefaultRefreshHeaderCreater(new DefaultRefreshHeaderCreater() {
@Override
public RefreshHeader createRefreshHeader(Context context, RefreshLayout layout) {
return new ClassicsHeader(context);//指定为经典Header，默认是 贝塞尔雷达Header
}
});
//设置全局的Footer构建器
SmartRefreshLayout.setDefaultRefreshFooterCreater(new DefaultRefreshFooterCreater() {
@Override
public RefreshFooter createRefreshFooter(Context context, RefreshLayout layout) {
//指定为经典Footer，默认是 BallPulseFooter
return new ClassicsFooter(context).setDrawableSize(20);
}
});
}
@Override
public void onCreate() {
super.onCreate();
OkGo.getInstance().init(this);
XLog.init(LogLevel.ALL);
}
}
public class GsonUtils {
private static Gson gson = null;
static {
if (gson == null) {
gson = new Gson();
}
}
private GsonUtils() {
}
public static String GsonString(Object object) {
String gsonString = null;
if (gson != null) {
gsonString = gson.toJson(object);
}
return gsonString;
}
public static T GsonToBean(String gsonString, Class cls) {
T t = null;
if (gson != null) {
t = gson.fromJson(gsonString, cls);
}
return t;
}
public static List GsonToList(String gsonString, Class cls) {
List list = null;
if (gson != null) {
list = gson.fromJson(gsonString, new TypeToken>() {
}.getType());
}
return list;
}
public static List jsonToList(String json, Class cls) {
Gson gson = new Gson();
List list = new ArrayList();
JsonArray array = new JsonParser().parse(json).getAsJsonArray();
for(final JsonElement elem : array){
list.add(gson.fromJson(elem, cls));
}
return list;
}
public static List> GsonToListMaps(String gsonString) {
List> list = null;
if (gson != null) {
list = gson.fromJson(gsonString,
new TypeToken>>() {
}.getType());
}
return list;
}
public static Map GsonToMaps(String gsonString) {
Map map = null;
if (gson != null) {
map = gson.fromJson(gsonString, new TypeToken>() {
}.getType());
}
return map;
}
public static String jsonToString(String json,String key) {
JSONObject obj = null;
String name = "";
try {
obj = new JSONObject(json);
name = obj.getString(key);
} catch (JSONException e) {
e.printStackTrace();
}
return name;
}
public static int jsonToInt(String json,String key) {
JSONObject obj = null;
int code = -1000;
try {
obj = new JSONObject(json);
code = obj.getInt(key);
} catch (JSONException e) {
e.printStackTrace();
}
return code;
}
}
/**
-
Created by JsonQiu on 2017/11/3 12:01.
*/
public class FuLiAdapter extends BaseQuickAdapter
public FuLiAdapter(@LayoutRes int layoutResId, @Nullable Listdata) {
super(layoutResId, data);
}@Override
protected void convert(BaseViewHolder helper, FuLiDataBean.ResultsBean item) {helper.setText(R.id.item_tv, item.who); Glide.with(mContext).load(item.url).into((ImageView) helper.getView(R.id.item_pic));}
}
public class MainActivity extends AppCompatActivity {
private RecyclerView myRecycle;
private String url;
private MainActivity mContext;
private SmartRefreshLayout mSmartrefresh;
private int page = 1;
private FuLiAdapter adapter;
private List listDatas = new ArrayList<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mContext = this;
initView();
initData(url, page);
getData();
}
private void getData() {
}
private void initData(String url, int page) {
url = "http://gank.io/api/data/福利/10/" + page;
XLog.e(url);
OkGo.get(url)
.tag(mContext)
.cacheKey("cacheKey")
.cacheMode(CacheMode.DEFAULT)
.execute(new StringCallback() {
@Override
public void onSuccess(Response response) {
// XLog.e(response.body().toString());
FuLiDataBean fuLiDataBean = GsonUtils.GsonToBean(response.body().toString(), FuLiDataBean.class);
if (fuLiDataBean != null) {
List results = fuLiDataBean.results;
if (results != null) {
showData(results);
}
}
}
});
}
private void showData(List fuLiDataBean) {
GridLayoutManager manager = new GridLayoutManager(mContext, 3, GridLayoutManager.VERTICAL, false);
myRecycle.setLayoutManager(manager);
if (listDatas == null || listDatas.size() == 0) {
listDatas = fuLiDataBean;
} else {
listDatas.addAll(fuLiDataBean);
}
if (adapter == null) {
XLog.e("111111111111");
adapter = new FuLiAdapter(R.layout.recy_item, listDatas);
} else {
XLog.e("22222222222");
adapter.notifyDataSetChanged();
}
myRecycle.setAdapter(adapter);
}
private void initView() {
myRecycle = (RecyclerView) findViewById(R.id.recycleview);
mSmartrefresh = (SmartRefreshLayout) findViewById(R.id.smartrefresh);
mSmartrefresh.setOnRefreshListener(new OnRefreshListener() {
@Override
public void onRefresh(RefreshLayout refreshlayout) {
XLog.e("888888888888");
listDatas.clear();
adapter=null;
initData(url, 1);
refreshlayout.finishRefresh(1500);
}
});
mSmartrefresh.setOnLoadmoreListener(new OnLoadmoreListener() {
@Override
public void onLoadmore(RefreshLayout refreshlayout) {
XLog.e("99999999999");
++page;
initData(url, page);
refreshlayout.finishLoadmore(1500);
}
});
}
}