package com.example;

import org.apache.http.HttpVersion;

import org.apache.http.client.HttpClient;

import org.apache.http.conn.ClientConnectionManager;

import org.apache.http.conn.scheme.PlainSocketFactory;

import org.apache.http.conn.scheme.Scheme;

import org.apache.http.conn.scheme.SchemeRegistry;

import org.apache.http.conn.ssl.SSLSocketFactory;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;

import org.apache.http.params.BasicHttpParams;

import org.apache.http.params.HttpConnectionParams;

import org.apache.http.params.HttpParams;

import org.apache.http.params.HttpProtocolParams;

import org.apache.http.protocol.HTTP;

import android.app.Application;

public class MyApplication extends Application {

private HttpClient httpClient;

public boolean isLogin = false;

@Override

public void onCreate() {

super.onCreate();

httpClient = this.createHttpClient();

}

@Override

public void onLowMemory() {

super.onLowMemory();

this.shutdownHttpClient();

}

@Override

public void onTerminate() {

super.onTerminate();

this.shutdownHttpClient();

}

// 创建HttpClient实例

private HttpClient createHttpClient() {

HttpParams params = new BasicHttpParams();

HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);

HttpProtocolParams.setContentCharset(params,

HTTP.DEFAULT_CONTENT_CHARSET);

HttpProtocolParams.setUseExpectContinue(params, true);

HttpConnectionParams.setConnectionTimeout(params, 20 * 1000);

HttpConnectionParams.setSoTimeout(params, 20 * 1000);

HttpConnectionParams.setSocketBufferSize(params, 8192);

SchemeRegistry schReg = new SchemeRegistry();

schReg.register(new Scheme("http", PlainSocketFactory

.getSocketFactory(), 80));

schReg.register(new Scheme("https",

SSLSocketFactory.getSocketFactory(), 443));

ClientConnectionManager connMgr = new ThreadSafeClientConnManager(

params, schReg);

return new DefaultHttpClient(connMgr, params);

}

// 关闭连接管理器并释放资源

private void shutdownHttpClient() {

if (httpClient != null && httpClient.getConnectionManager() != null) {

httpClient.getConnectionManager().shutdown();

}

}

// 对外提供HttpClient实例

public HttpClient getHttpClient() {

return httpClient;

}

}