/**
*
*/
package com.keju.maomao.activity.bar;
import java.util.ArrayList;
import java.util.StringTokenizer;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import com.keju.maomao.AsyncImageLoader;
import com.keju.maomao.AsyncImageLoader.ImageCallback;
import com.keju.maomao.CommonApplication;
import com.keju.maomao.Constants;
import com.keju.maomao.R;
import com.keju.maomao.SystemException;
import com.keju.maomao.activity.base.BaseActivity;
import com.keju.maomao.bean.BarBean;
import com.keju.maomao.helper.BusinessHelper;
import com.keju.maomao.util.NetUtil;
import com.keju.maomao.util.StringUtil;
/**
* 附近酒吧列表
*
* @author zhouyong
* @data 创建时间：2013-11-4 下午8:32:15
*/
public class NearbyBarListActivity extends BaseActivity implements OnClickListener {
private ImageButton ibLeft;
private TextView tvTitle;
private ListView lvNearbyBarList;
private Adapter adapter;
private ArrayList<BarBean> barList;
private int pageIndex = 1;
private View vFooter;
private ProgressBar pbFooter;
private TextView tvFooterMore;
private boolean isFilter = false;
private boolean isLoad = false;// 是否正在加载数据
private boolean isLoadMore = false;
private boolean isComplete = false;// 是否加载完了；
private CommonApplication app;
private boolean gpsIsOpen = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.nearby_bar_list);
app = (CommonApplication) getApplication();
findView();
fillData();
app.addActivity(this);
}
private void findView() {
ibLeft = (ImageButton) this.findViewById(R.id.ibLeft);
tvTitle = (TextView) this.findViewById(R.id.tvTitle);
tvTitle.setText("附近酒吧");
lvNearbyBarList = (ListView) this.findViewById(R.id.lvNearbyBar);
tvTitle = (TextView) this.findViewById(R.id.tvTitle);
// 加载更多footer
vFooter = getLayoutInflater().inflate(R.layout.footer, null);
pbFooter = (ProgressBar) vFooter.findViewById(R.id.progressBar);
tvFooterMore = (TextView) vFooter.findViewById(R.id.tvMore);
}
private void fillData() {
ibLeft.setOnClickListener(this);
ibLeft.setImageResource(R.drawable.ic_btn_left);
barList = new ArrayList<BarBean>();
adapter = new Adapter();
lvNearbyBarList.addFooterView(vFooter); //注意 此句话必须要在setAdapter前面才可以显示上拉查看更多
lvNearbyBarList.setAdapter(adapter);
lvNearbyBarList.setOnScrollListener(LoadListener);
lvNearbyBarList.setOnItemClickListener(itemListener);
lvNearbyBarList.setDivider(null);
lvNearbyBarList.setFooterDividersEnabled(false);
if (NetUtil.checkNet(NearbyBarListActivity.this)) {
gpsIsOpen = NetUtil.isOPen(NearbyBarListActivity.this);
// if (gpsIsOpen) {
app.initBMapInfo();
new GetNearbyBarListTask().execute();
// } else {
// showShortToast("请先打开定位服务");
// }
} else {
showShortToast(R.string.NoSignalException);
}
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.ibLeft:
finish();
break;
default:
break;
}
}
/**
* listview点击事件
*/
OnItemClickListener itemListener = new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
if (arg2 >= barList.size()) {
return;
}
BarBean bean = barList.get(arg2);
Bundle b = new Bundle();
b.putSerializable(Constants.EXTRA_DATA, bean);
openActivity(BarDetailActivity.class, b);
}
};
/**
* 滚动监听器
*/
OnScrollListener LoadListener = new OnScrollListener() {
@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
if (firstVisibleItem + visibleItemCount == totalItemCount) {
isLoadMore = true;
} else {
isLoadMore = false;
}
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
// 滚动到最后，默认加载下一页
if (scrollState == OnScrollListener.SCROLL_STATE_IDLE && isLoadMore) {
if (NetUtil.checkNet(NearbyBarListActivity.this)) {
if (!isLoad && !isComplete) {
new GetNearbyBarListTask().execute();
}
} else {
showShortToast(R.string.NoSignalException);
}
} else {
}
}
};
/**
* 获取附近酒吧列表
*
*/
public class GetNearbyBarListTask extends AsyncTask<Void, Void, JSONObject> {
@Override
protected void onPreExecute() {
super.onPreExecute();
if (isLoadMore) {
isLoad = true;
pbFooter.setVisibility(View.VISIBLE);
tvFooterMore.setText(R.string.loading);
} else {
showPd("正在加载...");
}
}
@Override
protected JSONObject doInBackground(Void... params) {
try {
double longitude = app.getLastLocation().getLongitude();
double latitude = app.getLastLocation().getLatitude();
return new BusinessHelper().getNearbyBarList(longitude, latitude, pageIndex);
} catch (SystemException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(JSONObject result) {
super.onPostExecute(result);
dismissPd();
pbFooter.setVisibility(View.GONE);
if (isFilter) {
barList.clear();
}
if (result != null) {
if (result.has("status")) {
try {
int status = result.getInt("status");
if (status == Constants.REQUEST_SUCCESS) {
if (result.has("pub_list")) {
JSONArray arr = result.getJSONArray("pub_list");
if (arr != null) {
ArrayList<BarBean> nearBean = (ArrayList<BarBean>) BarBean.constractList(arr);
boolean isLastPage = false;
if (nearBean.size() > 0) {
barList.addAll(nearBean);
adapter.notifyDataSetChanged(); // 通知更新
pageIndex++;
} else {
showShortToast("您附近没有酒吧");
isLastPage = true;
}
if (isLastPage) {
pbFooter.setVisibility(View.GONE);
tvFooterMore.setText(R.string.load_all);
isComplete = true;
} else {
if (nearBean.size() > 0 && nearBean.size() <Constants.PAGE_SIZE) {
pbFooter.setVisibility(View.GONE);
tvFooterMore.setText(R.string.load_all);
isComplete = true;
} else {
pbFooter.setVisibility(View.GONE);
tvFooterMore.setText("上拉查看更多");
}
}
if (pageIndex == 1 && nearBean.size() == 0) {
tvFooterMore.setText("");
}
adapter.notifyDataSetChanged();
isLoad = false;
isFilter = false;
}
}
} else {
tvFooterMore.setText("");
}
} catch (JSONException e) {
showShortToast("您附近没有酒吧");
}
}
} else {
showShortToast("服务器连接失败");
}
}
}
/**
* 适配器
*
**/
public class Adapter extends BaseAdapter {
@Override
public int getCount() {
return barList.size();
}
@Override
public Object getItem(int position) {
return barList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
BarBean bean = barList.get(position);
if (convertView == null) {
holder = new ViewHolder();
convertView = getLayoutInflater().inflate(R.layout.bar_item, null);
holder.tvBarName = (TextView) convertView.findViewById(R.id.tvBarName);
holder.tvAddress = (TextView) convertView.findViewById(R.id.tvAddress);
holder.tvDistanceLabel = (TextView) convertView.findViewById(R.id.tvDistanceLabel);
holder.tvContent = (TextView) convertView.findViewById(R.id.tvcontent);
holder.ivImage = (ImageView) convertView.findViewById(R.id.ivImage);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
String url = bean.getImageUrl();
holder.ivImage.setTag(url);
Drawable cacheDrawble = AsyncImageLoader.getInstance().loadDrawable(url, new ImageCallback() {
@Override
public void imageLoaded(Drawable imageDrawable, String imageUrl) {
ImageView image = (ImageView) lvNearbyBarList.findViewWithTag(imageUrl);
if (image != null) {
if (imageDrawable != null) {
image.setImageDrawable(imageDrawable);
} else {
image.setImageResource(R.drawable.ic_default);
}
}
}
});
if (cacheDrawble != null) {
holder.ivImage.setImageDrawable(cacheDrawble);
} else {
holder.ivImage.setImageResource(R.drawable.ic_default);
}
holder.tvBarName.setText(bean.getBar_Name());
StringTokenizer token = new StringTokenizer(bean.getBar_Address(), "$");
String[] add = new String[3];
int i = 0;
while (token.hasMoreTokens()) {
add[i] = token.nextToken();
i++;
String address1 = add[0];
String string = bean.getBarStreet();
holder.tvAddress.setText(address1 + string);// 酒吧地址
}
holder.tvContent.setText(bean.getBar_Intro());
double latitude;
try {
latitude = Double.parseDouble(bean.getLatitude());
} catch (NumberFormatException e) {
latitude = 0;
}
double longitude;
try {
longitude = Double.parseDouble(bean.getLongitude());
} catch (NumberFormatException e) {
longitude = 0;
}
if (app.getLastLocation() != null) {
double distance = StringUtil.getDistance(app.getLastLocation().getLatitude(), app.getLastLocation()
.getLongitude(), latitude, longitude);
if (distance > 1000) {
distance = distance / 1000;
holder.tvDistanceLabel.setText(String.format("%.1f", distance) + "km");
} else {
holder.tvDistanceLabel.setText(String.format("%.0f", distance) + "m");
}
} else {
holder.tvDistanceLabel.setText("");
}
return convertView;
}
}
class ViewHolder {
private TextView tvBarName, tvDistanceLabel, tvAddress, tvContent;
private ImageView ivImage;
}
}