Json解析网络数据+listview展示跳转

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >

<HorizontalScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/tv_recommend"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="30dp"
android:layout_weight="1"
android:text="推荐"
android:textSize="20sp" />

<TextView
android:id="@+id/tv_history"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="30dp"
android:layout_weight="1"
android:text="野史"
android:textSize="20sp" />

<TextView
android:id="@+id/tv_seraglio"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="30dp"
android:layout_weight="1"
android:text="后宫"
android:textSize="20sp" />

<TextView
android:id="@+id/tv_decode"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="30dp"
android:layout_weight="1"
android:text="解密"
android:textSize="20sp" />
</LinearLayout>
</HorizontalScrollView>

<android.support.v4.view.ViewPager
android:id="@+id/vp_main"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</android.support.v4.view.ViewPager>

</LinearLayout>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>

<TextView
android:id="@+id/title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="30sp" />

<LinearLayout
android:id="@+id/sourceandtime"
android:layout_width="match_parent"
android:layout_height="wrap_content" >

<TextView
android:id="@+id/source"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<TextView
android:id="@+id/time"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>

<TextView
android:id="@+id/content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/sourceandtime"
android:textSize="18sp" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >

<TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="5"
android:textSize="22sp" />

<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/ic_launcher" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ListView
android:id="@+id/lv"
android:layout_width="match_parent"
android:layout_height="match_parent"
></ListView>

</LinearLayout>

public class Data {
public List<News> array;
public class News implements Serializable{

public String title;
public String content;
public String type;
public String source;
public String time;

}
}

public abstract class BaseFragment extends Fragment {

private ListView lv;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.base_fragment, null);
lv = (ListView) view.findViewById(R.id.lv);
return view;
}

@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
String path = "http://172.17.29.120/localuser/ljy/xuanxuan/datas.json";
MyAsyncTask asyncTask = new MyAsyncTask();
// 请求网络数据
asyncTask.execute(path);
}

// 自定义异步类
class MyAsyncTask extends AsyncTask<String, String, Data> {

@Override
protected Data doInBackground(String... params) {
Data data = getData(params[0]);
return data;
}

private Data getData(String string) {
try {
DefaultHttpClient client = new DefaultHttpClient();
HttpGet get = new HttpGet(string);
System.out.println("2=========");
HttpResponse response = client.execute(get);
if (response.getStatusLine().getStatusCode() == 200) {
HttpEntity entity = response.getEntity();
InputStream is = entity.getContent();
InputStreamReader isr = new InputStreamReader(is);

Gson gson = new Gson();
Data data = gson.fromJson(isr, Data.class);
System.out.println("data===" + data.toString());
System.out.println(data.array.get(0).time
+ data.array.get(0).title + data.array.get(0).type);
return data;
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}

@Override
protected void onPostExecute(Data data) {
super.onPostExecute(data);

List<News> array = data.array;
final List<News> list = new ArrayList<Data.News>();
int type = getType();
switch (type) {
case 0:
list.clear();
for (News news : array) {
if (news.type.equals("推荐")) {
list.add(news);
}
}
break;
case 1:
list.clear();
for (News news : array) {
if (news.type.equals("野史")) {
list.add(news);
}
}
break;
case 2:
list.clear();
for (News news : array) {
if (news.type.equals("后宫")) {
list.add(news);
}
}
break;
case 3:
list.clear();
for (News news : array) {
if (news.type.equals("解密")) {
list.add(news);
}
}
break;

default:
break;
}
lv.setAdapter(new MyAdapter(getActivity(), list));
//为listview设置监听
lv.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
Intent intent=new Intent(getActivity(),DetailActivity.class);
intent.putExtra("news", list.get(arg2));
startActivity(intent);
}

});
}

}

public abstract int getType();
}

public class MyFragment extends BaseFragment{

private int type;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
type=getArguments().getInt("type",0);
}
public static Fragment getInstance(int type){
MyFragment frag = new MyFragment();
Bundle bd = new Bundle();
bd.putInt("type", type);
frag.setArguments(bd);
return frag;
}
@Override
public int getType() {
return type;
}

}

public class MyAdapter extends BaseAdapter {
Context context;
List<News> list;

public MyAdapter(Context context, List<News> list) {
super();
this.context = context;
this.list = list;
}

@Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
}

@Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return null;
}

@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder=null;
if(convertView==null){
holder=new ViewHolder();
convertView=View.inflate(context,R.layout.lv_item,null);
TextView title = (TextView) convertView.findViewById(R.id.title);
holder.title=title;
convertView.setTag(holder);
}else{
holder = (ViewHolder) convertView.getTag();
}
holder.title.setText(list.get(position).title);
return convertView;
}

class ViewHolder{
TextView title;
}
}

public class MainActivity extends FragmentActivity implements OnClickListener {

private ViewPager vp;
private TextView tv_recommend;
private TextView tv_history;
private TextView tv_seraglio;
private TextView tv_decode;
private List<TextView> tvList;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

vp = (ViewPager) findViewById(R.id.vp_main);
tv_recommend = (TextView) findViewById(R.id.tv_recommend);
tv_history = (TextView) findViewById(R.id.tv_history);
tv_seraglio = (TextView) findViewById(R.id.tv_seraglio);
tv_decode = (TextView) findViewById(R.id.tv_decode);

tvList = new ArrayList<TextView>();
tv_recommend.setTextColor(Color.RED);
tvList.add(tv_recommend);
tvList.add(tv_history);
tvList.add(tv_seraglio);
tvList.add(tv_decode);
for (TextView tv : tvList) {
tv.setOnClickListener(this);
}
vp.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {

@Override
public int getCount() {
return 4;
}

@Override
public Fragment getItem(int arg0) {
Fragment fragment = MyFragment.getInstance(arg0);
return fragment;
}

});
vp.setOnPageChangeListener(new OnPageChangeListener() {

@Override
public void onPageSelected(int arg0) {
for (int i = 0; i < tvList.size(); i++) {
if (arg0==i) {
tvList.get(i).setTextColor(Color.RED);
}else{
tvList.get(i).setTextColor(Color.BLUE);
}
}
}

@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {

}

@Override
public void onPageScrollStateChanged(int arg0) {

}
});

}

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.tv_recommend:
vp.setCurrentItem(0);
break;
case R.id.tv_history:
vp.setCurrentItem(1);
break;
case R.id.tv_seraglio:
vp.setCurrentItem(2);
break;
case R.id.tv_decode:
vp.setCurrentItem(3);
break;

}
}
}

public class DetailActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_detail);

// 找控件

TextView title = (TextView) findViewById(R.id.title);
TextView source = (TextView) findViewById(R.id.source);
TextView time = (TextView) findViewById(R.id.time);
TextView content = (TextView) findViewById(R.id.content);

// 得到意图对象
Intent intent = getIntent();
News news = (News) intent.getSerializableExtra("news");
// 为控件赋值
title.setText(news.title);
source.setText(news.source);
time.setText(news.time);
content.setText(news.content);
}

}