ImageLoader和MyAsyncTask

来源：互联网发布：淘宝巴巴爸爸是正品吗编辑：程序博客网时间：2024/06/05 21:01

//ImageLoader需要导包，需要组册；
public class MyApplicationextends Application {
   @Override
   public void onCreate() {
       ImageLoaderConfiguration configuration = ImageLoaderConfiguration.createDefault(this);
       ImageLoader.getInstance().init(configuration);

   }
}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

public class MyAdapter extends BaseAdapter {
   public Context context;
   public List<Info> list;
   public MyAdapter(Context context,List<Info> list){
       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 arg0) {
       // TODO Auto-generated method stub
       return 0;
   }

   @Override
   public View getView(int arg0, View v, ViewGroup arg2) {
       // TODO Auto-generated method stub
       v=View.inflate(context, R.layout.item, null);
       ImageView image = (ImageView)v.findViewById(R.id.image);
       TextView text = (TextView)v.findViewById(R.id.text);
       TextView time = (TextView)v.findViewById(R.id.time);
       ImageLoader.getInstance().displayImage(list.get(arg0).picurl, image);
       text.setText(list.get(arg0).title);
       time.setText(list.get(arg0).uptime);
       return v;
   }

}
//////////////////////////////////////////////////////////////////////////////////////////////////////////

public class MyAsyncTaskextends AsyncTask<String,String,String>{

   private String json;

   protected String doInBackground(String...path) {
       // TODO Auto-generated method stub
       try {
           HttpClient http=new DefaultHttpClient();
           HttpGet get=new HttpGet(path[0]);
           HttpResponse execute = http.execute(get);
           HttpEntity entity = execute.getEntity();
           json = EntityUtils.toString(entity, "gbk");
       } catch (ClientProtocolException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       } catch (IOException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }
       return json;
   }

}
/////////////////////////////////////////////////////////////////////////////////////////////////////////

public class F2 extends Fragment{
   String path="http://172.17.29.120/localuser/ljy/ndhx/peixundongtai.json";
   private ListView list_id;
   @Override
   public View onCreateView(LayoutInflater inflater, ViewGroup container,
           Bundle savedInstanceState) {
       // TODO Auto-generated method stub
       View v = View.inflate(getActivity(),R.layout.f1, null);
       list_id = (ListView)v.findViewById(R.id.list_id);
       getJson();
       return v;
   }

   private void getJson() {
       try {
           MyAsyncTask my=new MyAsyncTask();
           String json = my.execute(path).get();
           Gson gson=new Gson();
           Bean bean = gson.fromJson(json, Bean.class);
           List<Info> list = bean.info;
           list_id.setAdapter(new MyAdapter(getActivity(), list));
       } catch (InterruptedException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       } catch (ExecutionException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }
   }
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

public class MainActivity extends FragmentActivity implements OnClickListener{
   List<Fragment> list=new ArrayList<Fragment>();
   List<Button> list1;
   private ViewPager page;
   private Button but1_id;
   private Button but3_id;
   private Button but2_id;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
       //获得控件
       getDText();
       //注册监听
       getonclic();
       //添加Fragment到集合中
       getAddFragment();
       getButoon();
       //适配器
       getFragment();
       //添加Butoon到集合中
       getpagechange();
   }

   private void getDText() {
       // TODO Auto-generated method stub
       page = (ViewPager)findViewById(R.id.page);
       but1_id=(Button)findViewById(R.id.but1_id);
       but2_id = (Button)findViewById(R.id.but2_id);
       but3_id = (Button)findViewById(R.id.but3_id);
   }

    private void getonclic() {
       // TODO Auto-generated method stub
       but1_id.setOnClickListener(this);
       but2_id.setOnClickListener(this);
       but3_id.setOnClickListener(this);
   }

   private void getAddFragment() {
       // TODO Auto-generated method stub
       list.add(new MyFragment());
       list.add(new F2());
       list.add(new F3());
   }

   private void getFragment() {
       // TODO Auto-generated method stub
       page.setAdapter(new MyAdapter(getSupportFragmentManager(),list));
   }

   private void getButoon() {
       // TODO Auto-generated method stub
       list1=new ArrayList<Button>();
       list1.add(but1_id);
       list1.add(but2_id);
       list1.add(but3_id);
   }
   private void getpagechange() {
       // TODO Auto-generated method stub
       page.setOnPageChangeListener(new OnPageChangeListener() {

           @Override
           public void onPageSelected(int arg0) {
               // TODO Auto-generated method stub


               for (int i = 0; i < list1.size(); i++) {
                   if(i==arg0){
                       list1.get(i).setTextColor(Color.RED);
                   }else{
                       list1.get(i).setTextColor(Color.BLACK);
                   }
               }
           }
           @Override
           public void onPageScrolled(int arg0, float arg1, int arg2) {
               // TODO Auto-generated method stub
           }

           @Override
           public void onPageScrollStateChanged(int arg0) {
               // TODO Auto-generated method stub
           }
       });
   }
   @Override
   public void onClick(View arg0) {
       // TODO Auto-generated method stub
       switch (arg0.getId()) {
       case R.id.but1_id:

           page.setCurrentItem(0);
           break;
       case R.id.but2_id:
           page.setCurrentItem(1);
           break;
       case R.id.but3_id:
           page.setCurrentItem(2);
           break;
       default:
           break;
       }
   }


}

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