ViewPager+Fragment
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package com.wzq.zhoutkao2_demo;
import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.bwie.xlistviewlibrary.View.XListView;
import com.bwie.xlistviewlibrary.utils.NetWordUtils;
import com.google.gson.Gson;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.util.ArrayList;
import java.util.List;
/**
* 一定要注册xListview的监听回调
*/
public class BlankFragment extends Fragment implements XListView.IXListViewListener {
private String url;
private XListView xListView;
ArrayList<Product.ResultsBean> list = new ArrayList<Product.ResultsBean>();
int page = 1;
private MAdapter mAdapter;
private ImageLoader imageLoaderInstance;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = View.inflate(getActivity(), R.layout.frag1, null);
xListView = view.findViewById(R.id.xlv);
return view;
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
Bundle bundle = getArguments();
url = bundle.getString("url");
imageLoaderInstance = ImageLoader.getInstance();
mAdapter = new MAdapter();
xListView.setAdapter(mAdapter);//设置listview的适配器;
getNetData(1);//获取网络数据
xListView.setXListViewListener(this);
xListView.setPullLoadEnable(true);//设置可以加载更多;
}
public static BlankFragment getInstances(String url) {
BlankFragment blankFragment = new BlankFragment();
Bundle bundle = new Bundle();
bundle.putString("url", url);
blankFragment.setArguments(bundle);
return blankFragment;
}
private void getNetData(int pagerTemp) {
new MAsyncTask().execute(url + "/10/" + pagerTemp);
}
@Override
public void onRefresh() {
list.clear();
getNetData(1);
UiComplete();
}
@Override
public void onLoadMore() {
getNetData(page++);
UiComplete();
}
public void UiComplete() {
xListView.stopRefresh();
xListView.stopLoadMore();
xListView.setRefreshTime("刚刚");
}
/**
* 创建异步任务类
* 第一个泛型---是传递过来的接口地址
* 第二个参数是 请求接口的进度
* 第三个参数是 异步任务处理完返回的数据
*/
class MAsyncTask extends AsyncTask<String, Void, String> {
public MAsyncTask() {
super();
}
/**
* String... strings 这个参数是可变参数;
* 这个方法运行在子线程,去请求网络;
*/
@Override
protected String doInBackground(String... strings) {
String url = strings[0];
String netjson = NetWordUtils.getNetjson(url);
//把从网络请求的json返回回去;
Log.e("wzq", "doInBackground: " + netjson);
return netjson;
}
/**
* 这个方法接收的参数s, 就是doInBackground返回的值;
* 这个方法是在主线程运行,可以更新ui;
*
* @param s
*/
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
Gson gson = new Gson();
Product product = gson.fromJson(s, Product.class);
List<Product.ResultsBean> results = product.getResults();
list.addAll(results);
mAdapter.notifyDataSetChanged();
}
}
class MAdapter extends BaseAdapter {
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int i) {
return list.get(i);
}
@Override
public long getItemId(int i) {
return i;
}
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
View viewItem = View.inflate(getActivity(), R.layout.listview, null);
TextView textView = (TextView) viewItem.findViewById(R.id.textView);
ImageView imageView = (ImageView) viewItem.findViewById(R.id.imageView);
textView.setText(list.get(i).getDesc());
DisplayImageOptions options = new DisplayImageOptions.Builder()
.bitmapConfig(Bitmap.Config.RGB_565) // default 设置图片的解码类型
.build();
imageLoaderInstance.displayImage(list.get(i).getUrl(), imageView,options);
return viewItem;
}
}
}
import android.graphics.Bitmap;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.bwie.xlistviewlibrary.View.XListView;
import com.bwie.xlistviewlibrary.utils.NetWordUtils;
import com.google.gson.Gson;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.util.ArrayList;
import java.util.List;
/**
* 一定要注册xListview的监听回调
*/
public class BlankFragment extends Fragment implements XListView.IXListViewListener {
private String url;
private XListView xListView;
ArrayList<Product.ResultsBean> list = new ArrayList<Product.ResultsBean>();
int page = 1;
private MAdapter mAdapter;
private ImageLoader imageLoaderInstance;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = View.inflate(getActivity(), R.layout.frag1, null);
xListView = view.findViewById(R.id.xlv);
return view;
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
Bundle bundle = getArguments();
url = bundle.getString("url");
imageLoaderInstance = ImageLoader.getInstance();
mAdapter = new MAdapter();
xListView.setAdapter(mAdapter);//设置listview的适配器;
getNetData(1);//获取网络数据
xListView.setXListViewListener(this);
xListView.setPullLoadEnable(true);//设置可以加载更多;
}
public static BlankFragment getInstances(String url) {
BlankFragment blankFragment = new BlankFragment();
Bundle bundle = new Bundle();
bundle.putString("url", url);
blankFragment.setArguments(bundle);
return blankFragment;
}
private void getNetData(int pagerTemp) {
new MAsyncTask().execute(url + "/10/" + pagerTemp);
}
@Override
public void onRefresh() {
list.clear();
getNetData(1);
UiComplete();
}
@Override
public void onLoadMore() {
getNetData(page++);
UiComplete();
}
public void UiComplete() {
xListView.stopRefresh();
xListView.stopLoadMore();
xListView.setRefreshTime("刚刚");
}
/**
* 创建异步任务类
* 第一个泛型---是传递过来的接口地址
* 第二个参数是 请求接口的进度
* 第三个参数是 异步任务处理完返回的数据
*/
class MAsyncTask extends AsyncTask<String, Void, String> {
public MAsyncTask() {
super();
}
/**
* String... strings 这个参数是可变参数;
* 这个方法运行在子线程,去请求网络;
*/
@Override
protected String doInBackground(String... strings) {
String url = strings[0];
String netjson = NetWordUtils.getNetjson(url);
//把从网络请求的json返回回去;
Log.e("wzq", "doInBackground: " + netjson);
return netjson;
}
/**
* 这个方法接收的参数s, 就是doInBackground返回的值;
* 这个方法是在主线程运行,可以更新ui;
*
* @param s
*/
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
Gson gson = new Gson();
Product product = gson.fromJson(s, Product.class);
List<Product.ResultsBean> results = product.getResults();
list.addAll(results);
mAdapter.notifyDataSetChanged();
}
}
class MAdapter extends BaseAdapter {
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int i) {
return list.get(i);
}
@Override
public long getItemId(int i) {
return i;
}
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
View viewItem = View.inflate(getActivity(), R.layout.listview, null);
TextView textView = (TextView) viewItem.findViewById(R.id.textView);
ImageView imageView = (ImageView) viewItem.findViewById(R.id.imageView);
textView.setText(list.get(i).getDesc());
DisplayImageOptions options = new DisplayImageOptions.Builder()
.bitmapConfig(Bitmap.Config.RGB_565) // default 设置图片的解码类型
.build();
imageLoaderInstance.displayImage(list.get(i).getUrl(), imageView,options);
return viewItem;
}
}
}
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