非常标准的类，获得和展示listview或gridview数据。并且点击获得详情页面。

1、

获得和展示listview或gridview

 

package com.anzi.jmsht.ui;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.json.JSONArray;
import org.json.JSONObject;

import com.anzi.jmsht.AppException;
import com.anzi.jmsht.AppManager;
import com.anzi.jmsht.Constant;
import com.anzi.jmsht.net.xml.api.Net;
import com.anzi.jmsht.ui.ImgActivity.ImgGridViewAdapter;
import com.anzi.jmsht.util.AsyncLoader;
import com.anzi.jmsht.util.Constants;
import com.anzi.jmsht.util.PreferencesHelper;

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.GridView;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;

/**
 * 应用
 * 
 * @author tf
 * 
 */
public class PicListActivity extends Activity {

	private GridView picgrid;
	private List<Map<String, Object>> list;
	SharedPreferences sp;
	private ExecutorService fixedThreadPool;
	private PreferencesHelper ph;
	private HashMap<String, Object> map;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		getWindow().requestFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.activity_pic_list);
		// 注册默认的未捕捉异常处理类
		Thread.setDefaultUncaughtExceptionHandler(AppException
				.getAppExceptionHandler());
		// 创建一个定长线程池，可控制线程最大并发数，超出的线程会在队列中等待：
		fixedThreadPool = Executors.newFixedThreadPool(3);
		AppManager.getAppManager().addActivity(this);
		ph = new PreferencesHelper(getApplicationContext(), Constants.ANZIDate);
		initView();
		getData();
	/*	VideoListAdapter adapter = new VideoListAdapter(this, list);
		picgrid.setAdapter(adapter);*/
		setListener();
	}

	private void getData() {
		list = new ArrayList<Map<String, Object>>();
		// 获得线程消息
		final Handler handler = new Handler() {
			@Override
			public void handleMessage(Message msg) {
				String s = (String) msg.obj;
				if ("ok".equals(s)) {
					// 显示余额
					/*ImgGridViewAdapter adapter = new ImgGridViewAdapter(
							PicListActivity.this, list);
					imgGridView.setAdapter(adapter);*/
					VideoListAdapter adapter = new VideoListAdapter(PicListActivity.this, list);
					picgrid.setAdapter(adapter);
				} else if ("no".equals(s)) {
					Toast.makeText(getApplicationContext(), "系统问题", 1)
							.show();
				}
			}
		};
                //线程池执行线程任务
		fixedThreadPool.execute(new Runnable() {
			@Override
			public void run() {
				// TODO Auto-generated method stub
				try {
					map = new HashMap<String, Object>();
					String result = Net.taojin(Constant.taojinUrl
							+ "/querydata.shtml", "type", "images", "userId",
							ph.getValue("uid"), "currentPageNo", "1",
							"pageSize", "100");
					// 解析json字符串
					// result = result.substring(1, result.length()-1);
					Log.i("图片结果", result);
					JSONObject jsonObject = new JSONObject(result);
					map.put("code", jsonObject.getString("code"));// 状态0异常 1正常
					JSONArray jsonArray = jsonObject.getJSONArray("data");
					JSONObject jsonObject2;
					for (int i = 0; i < jsonArray.length(); i++) {
						Map<String, Object> map = new HashMap<String, Object>();
						jsonObject2 = (JSONObject) jsonArray.opt(i);
						map.put("id", jsonObject2.getInt("id"));// 视频id
						map.put("name", jsonObject2.getString("name"));// 图片名字
						map.put("path", jsonObject2.getString("path"));// 图片地址
						map.put("integral", jsonObject2.getString("integral"));// 积分
						map.put("pic_collect_number", "10人收藏");
						map.put("pic_seen_number", "1人观看");
						map.put("collect", "0");
						map.put("get", "0");
						// map.put("bitmap",
						// Net.getBitmap(jsonObject2.getString("path")));//图片
						//map.put("path", jsonObject2.getString("path"));
						list.add(map);
					}
                                          //发送消息，通知Handler
					Message msg = new Message();
					msg.obj = "ok";
					handler.sendMessage(msg);
				} catch (Exception e) {
					e.printStackTrace();
					// 通知UI
					Message msg = new Message();
					msg.obj = "no";
					handler.sendMessage(msg);
				}
			}
		});
	}
	
	private void initView() {
		picgrid = (GridView) findViewById(R.id.picgrid);
	}
	private void setListener() {
                     //点击详情，进入详情页面
		picgrid.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, int position,
					long arg3) {
				// TODO Auto-generated method stub

                                        //传值id ,img,integral到BigImgActivity

				Intent i = new Intent(PicListActivity.this, BigImgActivity.class);
				i.putExtra("img", (String) list.get(position).get("path"));
				i.putExtra("integral",
						(String) list.get(position).get("integral"));
				i.putExtra("id", (Integer) list.get(position).get("id"));
				startActivity(i);
			}
		});
		
		
	/*	picgrid.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> parent, View view,
					int position, long id) {
				// ByteArrayOutputStream bs = new ByteArrayOutputStream();
				// Bitmap bitmap = (Bitmap)list.get(position).get("bitmap");
				// bitmap.compress(Bitmap.CompressFormat.JPEG,100,bs);
				Intent i = new Intent(PicListActivity.this, BigImgActivity.class);
				i.putExtra("img", (String) list.get(position).get("path"));
				i.putExtra("integral",
						(String) list.get(position).get("integral"));
				i.putExtra("id", (Integer) list.get(position).get("id"));
				Toast.makeText(PicListActivity.this, "点击了"+position, 0).show();
				startActivity(i);
			}
		});*/
	}
	

	class VideoListAdapter extends BaseAdapter {
		private AsyncLoader loader;
		private Context context;
		private List<Map<String, Object>> data;
		private LayoutInflater inflater;

		public VideoListAdapter(Context context, List<Map<String, Object>> data) {
			this.context = context;
			this.data = data;
			inflater = LayoutInflater.from(context);
			loader = new AsyncLoader(context);
		}

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

		@Override
		public Object getItem(int position) {
			// TODO Auto-generated method stub
			return data.get(position);
		}

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

		@SuppressLint("ResourceAsColor")
		@Override
		public View getView(final int position, View convertView,
				ViewGroup parent) {
			final ViewHolder holder;
			if (null == convertView) {
				convertView = inflater.inflate(R.layout.pic_grid_item, null);
				holder = new ViewHolder();
				holder.pic_name = (TextView) convertView
						.findViewById(R.id.pic_name);
				holder.pic_collect_number = (TextView) convertView
						.findViewById(R.id.pic_collect_number);
				holder.pic_seen_number = (TextView) convertView
						.findViewById(R.id.pic_seen_number);
				holder.pic_integral = (TextView) convertView
						.findViewById(R.id.pic_integral);
				holder.pic_integral_get = (TextView) convertView
						.findViewById(R.id.pic_integral_get);
				holder.pic_btn_collect = (ImageButton) convertView
						.findViewById(R.id.pic_btn_collect);
				holder.re_pic_collected = (RelativeLayout) convertView
						.findViewById(R.id.re_pic_collected);
				holder.re_pic_collect = (RelativeLayout) convertView
						.findViewById(R.id.re_pic_collect);
				holder.pic_iamge_icon = (ImageView) convertView
						.findViewById(R.id.pic_iamge_icon);

				convertView.setTag(holder);

			} else {
				holder = (ViewHolder) convertView.getTag();
			}

			if ("1".equals(data.get(position).get("collect"))) {// 已收藏
				holder.re_pic_collected.setVisibility(View.VISIBLE);
				holder.re_pic_collect.setVisibility(View.GONE);
			} else {// 未收藏
				holder.re_pic_collected.setVisibility(View.GONE);
				holder.re_pic_collect.setVisibility(View.VISIBLE);
			}
			if ("1".equals(data.get(position).get("get"))) {// 已获得积分
				holder.pic_integral.setVisibility(View.GONE);
				holder.pic_integral_get.setVisibility(View.VISIBLE);
			} else {// 未获得积分
				holder.pic_integral.setVisibility(View.VISIBLE);
				holder.pic_integral.setText((CharSequence) data.get(position).get("integral"));
				holder.pic_integral_get.setVisibility(View.GONE);
			}
			holder.pic_btn_collect.setOnClickListener(new OnClickListener() {

				@Override
				public void onClick(View arg0) {
					// TODO Auto-generated method stub
					holder.re_pic_collected.setVisibility(View.VISIBLE);
					holder.re_pic_collect.setVisibility(View.GONE);
					list.get(position).put("collect", "1");
				}
			});
			holder.pic_name.setText((CharSequence) data.get(position).get("name"));
			holder.pic_collect_number.setText((CharSequence) data.get(position).get(
					"pic_collect_number"));
			holder.pic_seen_number.setText((CharSequence) data.get(position).get(
					"pic_seen_number"));
			holder.pic_integral.setText("赠送积分："+(CharSequence) data.get(position).get("integral"));

                        //异步加载图片

			loader.displayImage((String) data.get(position).get("path"),
					holder.pic_iamge_icon);
			// holder.ll_bg_video_pic.setBackgroundDrawable(background)
			return convertView;
		}

		// 视图容器类,属性对应布局文件元素
		private class ViewHolder {
			TextView pic_name, pic_collect_number;
			TextView pic_seen_number, pic_integral, pic_integral_get;
			RelativeLayout re_pic_collected, re_pic_collect;
			ImageButton pic_btn_collect;
            ImageView pic_iamge_icon;
		}

	}
}

 

 

 

2.BigImgActivity.class

 

 

package com.anzi.jmsht.ui;

import java.util.ArrayList;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import com.anzi.jmsht.AppException;
import com.anzi.jmsht.AppManager;
import com.anzi.jmsht.Constant;
import com.anzi.jmsht.Info;
import com.anzi.jmsht.net.xml.api.Net;
import com.anzi.jmsht.util.AsyncLoader;
import com.anzi.jmsht.util.Constants;
import com.anzi.jmsht.util.DESCode;
import com.anzi.jmsht.util.Md5Util;
import com.anzi.jmsht.util.PreferencesHelper;
import com.anzi.jmsht.util.PullHandler;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.app.Activity;
import android.content.Intent;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.ImageView;
import android.widget.Toast;

/**
 * 大图片预览
 * 
 * @author hhh
 * 
 */
public class BigImgActivity extends Activity implements OnClickListener {

	private ExecutorService fixedThreadPool;
	// private Button back;
	private ImageView bigImg;
	private String integral;
	private PreferencesHelper ph;
	private ArrayList<Info> States;
	private int id;
	private String imgpath;
	private AsyncLoader loader;
	private Handler handler = new Handler(){
		public void handleMessage(Message msg) {
			switch (msg.what) {
			case 1:
				addIntengral();
				break;

			default:
				break;
			}
		}
	};
	private Timer timer;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		getWindow().requestFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.activity_big_img);
		// 注册默认的未捕捉异常处理类
		Thread.setDefaultUncaughtExceptionHandler(AppException
				.getAppExceptionHandler());
		// 创建一个定长线程池，可控制线程最大并发数，超出的线程会在队列中等待：
		fixedThreadPool = Executors.newFixedThreadPool(3);
		AppManager.getAppManager().addActivity(this);
		ph = new PreferencesHelper(this, Constants.ANZIDate);
		loader = new AsyncLoader(this);

		getImg();
		initView();
		//10秒后获取积分
		timer = new Timer();
		timer.schedule(new MyTask(), 10000);
	}

	@Override
	protected void onDestroy() {
		super.onDestroy();
		if (fixedThreadPool != null) {
			fixedThreadPool.shutdown();
		}
	}

	/*
	 * 执行延时任务
	 */
	private class MyTask extends TimerTask{
		@Override
		public void run() {
			Message message = new Message();
			message.what = 1;
			handler.sendMessage(message);
		}

	}

	/*
	 * 获得图片数据
	 */
	private void getImg() {
		Intent i = getIntent();
		imgpath = i.getStringExtra("img");
		integral = i.getStringExtra("integral");
		id = i.getIntExtra("id", 0);
			}

	private void initView() {
		// back = (Button) findViewById(R.id.back);
		// back.setOnClickListener(this);
		bigImg = (ImageView) findViewById(R.id.bigImg);
		bigImg.setOnClickListener(this);
		// bigImg.setImageBitmap(bmp);
		loader.displayImage(imgpath, bigImg);
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.bigImg:
			AppManager.getAppManager().finishActivity();
			break;

		default:
			break;
		}
	}

	/*
	 * 查看图片添加积分
	 */
	private void addIntengral() {
		// 获得线程消息
		final Handler handler = new Handler() {
			@Override
			public void handleMessage(Message msg) {
				String s = (String) msg.obj;
				if ("ok".equals(s)) {
					// 显示余额
					Toast.makeText(getApplicationContext(),
							(String) States.get(0).getItem("result"), 1).show();
				} else if ("no".equals(s)) {
					Toast.makeText(getApplicationContext(), "系统问题", 1)
					.show();
				}
			}
		};
		fixedThreadPool.execute(new Runnable() {
			@Override
			public void run() {
				// TODO Auto-generated method stub
				try {
					String result = Net.addIntengral(
							Constant.netcard + "/addintegralyqs.xhtml",
							"xml",
							DESCode.requestXml("<?xml version=\"1.0\" encoding=\"UTF-8\"?><root><ReCord><sigen>"
									+ DESCode.responseXml(ph.getValue("sigen"))
									.split("_")[1]
											+ "</sigen><integral>"
											+ integral
											+ "</integral><id>"
											+ id
											+ "</id><type>image</type></ReCord></root>"),
											"key", Md5Util.MD5(integral));
                                         
                                          // private ArrayList<Info> States;
					States = PullHandler.URLReadXmlByPull(result, new String[] {
							"status", "result" }, "ReCord");
					// 通知UI
					Message msg = new Message();
					msg.obj = "ok";
					handler.sendMessage(msg);
				} catch (Exception e) {
					e.printStackTrace();
					// 通知UI
					Message msg = new Message();
					msg.obj = "no";
					handler.sendMessage(msg);
				}
			}
		});
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
		if (keyCode == KeyEvent.KEYCODE_BACK
				&& event.getRepeatCount() == 0) {
			//用户点击返回键时停止观看图片,计时器关闭
			timer.cancel();
			AppManager.getAppManager().finishActivity();
			return true;
		}
		return super.onKeyDown(keyCode, event);
	}
}