asf
package com.bwei.test;
import java.util.List;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.location.LocationClientOption.LocationMode;
import com.example.vo.Bean;
import com.example.vo.Bean.Item;
import com.example.xmlandjsonpull.R;
import com.lidroid.xutils.HttpUtils;
import com.lidroid.xutils.exception.HttpException;
import com.lidroid.xutils.http.ResponseInfo;
import com.lidroid.xutils.http.callback.RequestCallBack;
import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;
import com.thoughtworks.xstream.XStream;
public class MainActivity extends Activity {
private LocationClient mLocationClient = null;
private BDLocationListener myListener = new MyLocationListener();
private String url = "http://apis.juhe.cn/goodbook/catalog?key=9d6ef8c31647a206e05fcaff70527182&dtype=xml";
private long firstTime = 0;
private ListView lv;
private List<Item> list;
private ArrayAdapter arrayAdapter;
private TextView tv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lv = (ListView) findViewById(R.id.lv);
tv = (TextView) findViewById(R.id.tv);
// LocationClient类是定位SDK的核心类
mLocationClient = new LocationClient(getApplicationContext()); // 声明LocationClient类
mLocationClient.registerLocationListener(myListener); // 注册监听函数
XUtils();
initLocation();
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// TODO Auto-generated method stub
Intent intent = new Intent(MainActivity.this,
ItemActivity.class);
intent.putExtra("lv", list.get(position));
startActivity(intent);
}
});
}
private void XUtils() {
// TODO Auto-generated method stub
HttpUtils httpUtils = new HttpUtils();
httpUtils.send(HttpMethod.GET, url, new RequestCallBack<String>() {
@Override
public void onFailure(HttpException arg0, String arg1) {
// TODO Auto-generated method stub
}
@SuppressWarnings("unchecked")
@Override
public void onSuccess(ResponseInfo<String> arg0) {
// TODO Auto-generated method stub
XStream xStream = new XStream();
xStream.processAnnotations(Bean.class);
Bean bean = (Bean) xStream.fromXML(arg0.result);
list = bean.result.item;
arrayAdapter = new ArrayAdapter(MainActivity.this,
android.R.layout.simple_list_item_1, list);
lv.setAdapter(arrayAdapter);
}
});
}
private void initLocation() {
LocationClientOption option = new LocationClientOption();
option.setLocationMode(LocationMode.Hight_Accuracy);// 可选，默认高精度，设置定位模式，高精度，低功耗，仅设备
option.setCoorType("bd09ll");// 可选，默认gcj02，设置返回的定位结果坐标系
int span = 1000;
option.setScanSpan(span);// 可选，默认0，即仅定位一次，设置发起定位请求的间隔需要大于等于1000ms才是有效的
option.setIsNeedAddress(true);// 可选，设置是否需要地址信息，默认不需要
option.setOpenGps(true);// 可选，默认false,设置是否使用gps
option.setLocationNotify(true);// 可选，默认false，设置是否当gps有效时按照1S1次频率输出GPS结果
option.setIsNeedLocationDescribe(true);// 可选，默认false，设置是否需要位置语义化结果，可以在BDLocation.getLocationDescribe里得到，结果类似于“在北京天安门附近”
option.setIsNeedLocationPoiList(true);// 可选，默认false，设置是否需要POI结果，可以在BDLocation.getPoiList里得到
option.setIgnoreKillProcess(false);// 可选，默认true，定位SDK内部是一个SERVICE，并放到了独立进程，设置是否在stop的时候杀死这个进程，默认不杀死
option.SetIgnoreCacheException(false);// 可选，默认false，设置是否收集CRASH信息，默认收集
option.setEnableSimulateGps(false);// 可选，默认false，设置是否需要过滤gps仿真结果，默认需要
mLocationClient.setLocOption(option);
mLocationClient.start();
}
public class MyLocationListener implements BDLocationListener {
@Override
public void onReceiveLocation(BDLocation location) {
String city = location.getCity();
String street = location.getStreet();
tv.setText("定位城市：" + city + "," + street);
}
}
// 监听back按键,实现连续按两次退出功能
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
// TODO Auto-generated method stub
switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
long secondTime = System.currentTimeMillis();
if (secondTime - firstTime > 2000) { // 如果两次按键时间间隔大于2秒，则不退出
Toast.makeText(this, "再按一次退出程序", Toast.LENGTH_SHORT).show();
firstTime = secondTime;// 更新firstTime
return true;
} else { // 两次按键小于2秒时，退出应用
System.exit(0);
}
break;
}
return super.onKeyUp(keyCode, event);
}
}
<!-- 这个权限用于进行网络定位 -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" >
</uses-permission>
<!-- 这个权限用于访问GPS定位 -->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" >
</uses-permission>
<!-- 用于访问wifi网络信息，wifi信息会用于进行网络定位 -->
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" >
</uses-permission>
<!-- 获取运营商信息，用于支持提供运营商信息相关的接口 -->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" >
</uses-permission>
<!-- 这个权限用于获取wifi的获取权限，wifi信息会用来进行网络定位 -->
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" >
</uses-permission>
<!-- 用于读取手机当前的状态 -->
<uses-permission android:name="android.permission.READ_PHONE_STATE" >
</uses-permission>
<!-- 写入扩展存储，向扩展卡写入数据，用于写入离线定位数据 -->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >
</uses-permission>
<!-- 访问网络，网络定位需要上网 -->
<uses-permission android:name="android.permission.INTERNET" />
<!-- SD卡读取权限，用户写入离线定位数据 -->
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" >
</uses-permission>
<meta-data
android:name="com.baidu.lbsapi.API_KEY"
android:value="hdK3IkF0igS2nQnCIV8MKjRWVnnzyg3A" />
<service
android:name="com.baidu.location.f"
android:enabled="true"
android:process=":remote" >
</service>
vo包
package com.example.vo;
import java.io.Serializable;
import java.util.List;
import com.thoughtworks.xstream.annotations.XStreamAlias;
import com.thoughtworks.xstream.annotations.XStreamImplicit;
@XStreamAlias("root")
public class Bean implements Serializable {
public String resultcode;
public String reason;
public String error_code;
public Result result;
@XStreamAlias("result")
public class Result implements Serializable {
@XStreamImplicit(itemFieldName = "item")
public List<Item> item;
}
public class Item implements Serializable {
public String id;
public String catalog;
@Override
public String toString() {
return catalog;
}
}
}
package com.bwei.test;
import java.util.List;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.text.format.DateUtils;
import android.util.Log;
import android.widget.GridView;
import android.widget.Toast;
import com.bwei.adapter.MyAdapter;
import com.example.vo.All;
import com.example.vo.Bean.Item;
import com.example.vo.Data;
import com.example.xmlandjsonpull.R;
import com.google.gson.Gson;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshBase.OnLastItemVisibleListener;
import com.handmark.pulltorefresh.library.PullToRefreshBase.OnRefreshListener;
import com.handmark.pulltorefresh.library.PullToRefreshBase.OnRefreshListener2;
import com.handmark.pulltorefresh.library.PullToRefreshGridView;
import com.lidroid.xutils.HttpUtils;
import com.lidroid.xutils.exception.HttpException;
import com.lidroid.xutils.http.ResponseInfo;
import com.lidroid.xutils.http.callback.RequestCallBack;
import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;
public class ItemActivity extends Activity {
private String id;
private int index = 0;
private Item item;
private List<Data> data;
private List<Data> datas;
private MyAdapter adapter;
private String str;
private Handler handler;
private PullToRefreshGridView mPullRefreshGridView;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_item);
mPullRefreshGridView = (PullToRefreshGridView) findViewById(R.id.pull_refresh_grid);
handler = new Handler();
Intent intent = getIntent();
item = (Item) intent.getSerializableExtra("lv");
id = item.id;
XUtils();
/*mPullRefreshGridView
.setOnRefreshListener(new OnRefreshListener2<GridView>() {
@Override
public void onPullDownToRefresh(
PullToRefreshBase<GridView> refreshView) {
// TODO Auto-generated method stub
handler.postDelayed(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
XUtils();
onLoad();
// 必须关闭
mPullRefreshGridView.onRefreshComplete();
}
}, 2000);
}
@Override
public void onPullUpToRefresh(
PullToRefreshBase<GridView> refreshView) {
// TODO Auto-generated method stub
handler.postDelayed(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
index = index + 12;
String str = "http://apis.juhe.cn/goodbook/query?key=9d6ef8c31647a206e05fcaff70527182&catalog_id="
+ id + "&rn=12&pn=" + index;
getdataflush(str);
adapter.notifyDataSetChanged();
onLoad();
mPullRefreshGridView.onRefreshComplete();
}
}, 2000);
}
});*/
mPullRefreshGridView.setOnRefreshListener(new OnRefreshListener<GridView>() {
@Override
public void onRefresh(PullToRefreshBase<GridView> refreshView) {
handler.postDelayed(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
XUtils();//调用联网方法
onLoad();
}
}, 2000);
}
});
//5.设置上拉加载处理
mPullRefreshGridView.setOnLastItemVisibleListener(new OnLastItemVisibleListener() {
@Override
public void onLastItemVisible() {
handler.postDelayed(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
getdataflush();//调用联网方法
onLoad();
}
}, 2000);
Toast.makeText(ItemActivity.this, "正在加载", 1).show();
}
});
}
private void XUtils() {
// TODO Auto-generated method stub
String url = "http://apis.juhe.cn/goodbook/query?key=9d6ef8c31647a206e05fcaff70527182&catalog_id="
+ id + "&rn=20&pn=" + index;
HttpUtils httpUtils = new HttpUtils();
httpUtils.send(HttpMethod.GET, url, new RequestCallBack<String>() {
@Override
public void onFailure(HttpException arg0, String arg1) {
// TODO Auto-generated method stub
}
@Override
public void onSuccess(ResponseInfo<String> arg0) {
// TODO Auto-generated method stub
Gson gson = new Gson();
All all = gson.fromJson(arg0.result, All.class);
datas = all.getResult().getData();
adapter = new MyAdapter(ItemActivity.this, datas);
mPullRefreshGridView.setAdapter(adapter);
index= index+1;
mPullRefreshGridView.onRefreshComplete();
}
});
}
private void getdataflush() {
// TODO Auto-generated method stub
String url = "http://apis.juhe.cn/goodbook/query?key=9d6ef8c31647a206e05fcaff70527182&catalog_id="
+ id + "&rn=20&pn=" + index;
HttpUtils httpUtils = new HttpUtils();
httpUtils.send(HttpMethod.GET, url, new RequestCallBack<String>() {
@Override
public void onFailure(HttpException arg0, String arg1) {
// TODO Auto-generated method stub
}
@Override
public void onSuccess(ResponseInfo<String> arg0) {
// TODO Auto-generated method stub
Gson gson = new Gson();
All all = gson.fromJson(arg0.result, All.class);
List<Data> d = all.getResult().getData();
datas.addAll(d);
index= index+1;
mPullRefreshGridView.onRefreshComplete();
adapter.notifyDataSetChanged();
}
});
}
/**
* 设置时间
*/
private void onLoad() {
String label = DateUtils.formatDateTime(getApplicationContext(),
System.currentTimeMillis(), DateUtils.FORMAT_SHOW_TIME
| DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_ABBREV_ALL);
// Update the LastUpdatedLabel
mPullRefreshGridView.getLoadingLayoutProxy().setLastUpdatedLabel(label);
}
}
