实例介绍
【实例简介】
【实例截图】
【核心代码】
package com.catt.oss.service;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import org.json.JSONException;
import org.json.JSONObject;
import com.catt.oss.R;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.EditText;
import android.widget.Toast;
public class MyService extends Activity {
public static Activity activity;
public Context con;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
public void initContext(Context context) {
con = context;
}
public static String post(Context context, String url,
Map<String, Object> map) {
StringBuffer gdata = new StringBuffer();
BasicHttpParams basichttpParams = new BasicHttpParams();
List<NameValuePair> param = new ArrayList<NameValuePair>();
Set<Map.Entry<String, Object>> entries = map.entrySet();
for (Map.Entry<String, Object> entry : entries) {
Object value = entry.getValue();
String getValue = null;
if (value instanceof Integer) {
getValue = String.valueOf(value);
} else {
getValue = (String) value;
}
param.add(new BasicNameValuePair(entry.getKey(), getValue));
}
HttpPost httpPost = null;
int res = 0;
String informations = null;
try {
if (isHavingNet(context)) {
// Set the default socket timeout (SO_TIMEOUT)
HttpConnectionParams.setConnectionTimeout(basichttpParams,
30000);
// in milliseconds which is the timeout for waiting for data.
HttpConnectionParams.setSoTimeout(basichttpParams, 20000);
DefaultHttpClient httpClient = new DefaultHttpClient(
basichttpParams);
if (url != null) {
httpPost = new HttpPost(url);
httpPost.setEntity(new UrlEncodedFormEntity(param,
HTTP.UTF_8));
res = httpClient.execute(httpPost).getStatusLine()
.getStatusCode();
if (res == 200) {
/*
* 当返回码为200时，做处理 得到服务器端返回json数据，并做处理
*/
HttpResponse httpResponse = httpClient
.execute(httpPost);
StringBuilder builder = new StringBuilder();
String str2 = null;
str2 = EntityUtils.toString(httpResponse.getEntity());
if (str2.trim().length() > 0) {
builder.append(str2);
}
informations = builder.toString();
}
}
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
timeOutServer(context);
}
return informations;
}
// http://192.168.168.185:9996/oss/test.do?a=xxx&b=yyy
// http://192.168.168.185:8080/oss/test.do;jsessionid=?a=xxx&b=yyy
public static String get(Context context, String url) {
BasicHttpParams basichttpParams = new BasicHttpParams();
HttpGet httpGet = null;
String informations = null;
try {
if (isHavingNet(context)) {
// Set the default socket timeout (SO_TIMEOUT)
HttpConnectionParams.setConnectionTimeout(basichttpParams,
600000);
// in milliseconds which is the timeout for waiting for data.
HttpConnectionParams.setSoTimeout(basichttpParams, 20000);
DefaultHttpClient httpClient = new DefaultHttpClient(
basichttpParams);
if (url != null) {
httpGet = new HttpGet(url);
int res = 0;
res = httpClient.execute(httpGet).getStatusLine()
.getStatusCode();
if (res == 200) {
/*
* 当返回码为200时，做处理 得到服务器端返回json数据，并做处理
*/
HttpResponse httpResponse = httpClient.execute(httpGet);
StringBuilder builder = new StringBuilder();
String str2 = null;
str2 = EntityUtils.toString(httpResponse.getEntity());
if (str2.trim().length() > 0) {
builder.append(str2);
}
informations = builder.toString();
}
}
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
timeOutServer(context);
}
return informations;
}
public static String getBasePath(String server_ip, String server_port) {
String baseUrl = "http://";
baseUrl = baseUrl server_ip ":" server_port;
return baseUrl;
}
public static String addSessionIdUrl(Context con, String url) {
String addSessionIdurl = null;
SharePrefer shareSession = new SharePrefer(con);
String sessionId = shareSession.readSessionID();
if (url.lastIndexOf("?") > 0) {
int index = url.indexOf("?");
String firstUrl = url.substring(0, index);
String nexUrl = url.substring(index);
// String res[]=url.split("/?");
addSessionIdurl = firstUrl ";" "jsessionid=" sessionId
nexUrl;
} else {
addSessionIdurl = url ";" "jsessionid=" sessionId;
}
return addSessionIdurl;
}
public static String checkLoginTel(Context context, String url,
String action, String staffAccount) {
StringBuffer gdata = new StringBuffer();
BasicHttpParams basichttpParams = new BasicHttpParams();
List<NameValuePair> param = new ArrayList<NameValuePair>();
param.add(new BasicNameValuePair("action", action));
param.add(new BasicNameValuePair("userName", staffAccount));
HttpPost httpPost = null;
int res = 0;
String informations = null;
try {
if (isHavingNet(context)) {
// Set the default socket timeout (SO_TIMEOUT)
HttpConnectionParams.setConnectionTimeout(basichttpParams,
20000);
// in milliseconds which is the timeout for waiting for data.
HttpConnectionParams.setSoTimeout(basichttpParams, 60000);
DefaultHttpClient httpClient = new DefaultHttpClient(
basichttpParams);
if (url != null) {
httpPost = new HttpPost(url);
httpPost.setEntity(new UrlEncodedFormEntity(param,
HTTP.UTF_8));
res = httpClient.execute(httpPost).getStatusLine()
.getStatusCode();
if (res == 200) {
/*
* 当返回码为200时，做处理 得到服务器端返回json数据，并做处理
*/
HttpResponse httpResponse = httpClient
.execute(httpPost);
StringBuilder builder = new StringBuilder();
String str2 = null;
str2 = EntityUtils.toString(httpResponse.getEntity());
if (str2.trim().length() > 0) {
builder.append(str2);
}
informations = builder.toString();
JSONObject jsonObject = new JSONObject(informations
.toString());
String result;
String data;
result = jsonObject.getString("result");
data = jsonObject.getString("data");
gdata.append(result).append("/").append(data);
}
}
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
timeOutServer(context);
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return gdata.toString();
}
private static boolean isHavingNet(Context context) {
ConnectivityManager mgr = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
// 获取网络对象
NetworkInfo netInfo = mgr.getActiveNetworkInfo();
// 获取网络状态
boolean netSataus = false;
if (netInfo != null) {
netSataus = netInfo.isAvailable();
}
if (!netSataus) {
Builder b = new AlertDialog.Builder(context).setTitle("网络异常")
.setMessage("手机无信号！");
b.setPositiveButton("确定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
dialog.cancel();
}
}).show();
return false;
} else {
return true;
}
}
public static boolean timeOutServer(Context context) {
activity = (Activity) context;
Builder b = new AlertDialog.Builder(context).setTitle("发生错误")
.setMessage("请联系管理员！");
b.setPositiveButton("确定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
dialog.cancel();
activity.finish();
}
}).show();
return false;
}
public static boolean noMobileDataDisplay(Context context) {
activity = (Activity) context;
Builder b = new AlertDialog.Builder(context).setTitle("暂无数据")
.setMessage("返回上一级！");
b.setPositiveButton("确定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
dialog.cancel();
activity.finish();
}
}).show();
return false;
}
public static boolean isNotNewVersion(Context context, String version) {
boolean flag = false;
activity = (Activity) context;
String server_version = activity.getResources().getString(
R.string.version);
if (server_version.equals(version)) {
flag = true;
}
return flag;
}
protected File downLoadFile(Context context, String httpUrl) {
// TODO Auto-generated method stub
final String fileName = "updata.apk";
File tmpFile = new File("/sdcard/update");
if (!tmpFile.exists()) {
tmpFile.mkdir();
}
final File file = new File("/sdcard/update/" fileName);
try {
URL url = new URL(httpUrl);
try {
HttpURLConnection conn = (HttpURLConnection) url
.openConnection();
InputStream is = conn.getInputStream();
FileOutputStream fos = new FileOutputStream(file);
byte[] buf = new byte[256];
conn.connect();
double count = 0;
if (conn.getResponseCode() >= 400) {
Toast.makeText(context, "连接超时", Toast.LENGTH_SHORT).show();
} else {
while (count <= 100) {
if (is != null) {
int numRead = is.read(buf);
if (numRead <= 0) {
break;
} else {
fos.write(buf, 0, numRead);
}
} else {
break;
}
}
}
conn.disconnect();
fos.close();
is.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return file;
}
// 打开APK程序代码
private void openFile(File file) {
// TODO Auto-generated method stub
Log.e("OpenFile", file.getName());
Intent intent = new Intent();
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(android.content.Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(file),
"application/vnd.android.package-archive");
startActivity(intent);
}
public static String getUrl(Context context,String url) {
String server_ip = context.getResources().getString(R.string.server_ip);
String server_port = context.getResources().getString(R.string.server_port);
String baseUrl = getBasePath(server_ip, server_port);
url = baseUrl url;
return url;
}
}
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