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package com.richerpay.ryshop.util;
import com.richerpay.ryshop.activity.RYApplication;
import com.richerpay.ryshop.log.KLog;
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.provider.Settings;
/**
* 基于静态内部类实现的单例，保证线程安全的网络信息工具类 <per> 使用该工具类之前，记得在AndroidManifest.xml添加权限许可 <xmp>
* <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
* </xmp> </per>
*
* 安卓判断网络状态，只需要在相应的Activity的相关方法（onCreat/onResum）调用一行代码即可
* NetWorkUtils.getInstance(getActivity()).validateNetWork();
*
* @version 1.0
*/
public class ToolNetwork {
public final static String NETWORK_CMNET = "CMNET";
public final static String NETWORK_CMWAP = "CMWAP";
public final static String NETWORK_WIFI = "WIFI";
public final static String TAG = "ToolNetwork";
private NetworkInfo networkInfo = null;
private Context mContext = null;
private ToolNetwork() {
}
public static ToolNetwork getInstance() {
return SingletonHolder.instance;
}
public ToolNetwork init(Context context) {
this.mContext = context;
return this;
}
/**
* 判断网络是否可用
*
* @return 是/否
*/
public boolean isAvailable() {
ConnectivityManager manager = (ConnectivityManager) mContext
.getApplicationContext().getSystemService(
Context.CONNECTIVITY_SERVICE);
if (null == manager) {
return false;
}
networkInfo = manager.getActiveNetworkInfo();
if (null == networkInfo || !networkInfo.isAvailable()) {
return false;
}
return true;
}
/**
* 判断网络是否已连接
*
* @return 是/否
*/
public boolean isConnected() {
if (!isAvailable()) {
return false;
}
if (!networkInfo.isConnected()) {
return false;
}
return true;
}
/**
* 检查当前环境网络是否可用，不可用跳转至开启网络界面,不设置网络强制关闭当前Activity
*/
public void validateNetWork() {
if (!isConnected()) {
Builder dialogBuilder = new AlertDialog.Builder(mContext);
dialogBuilder.setTitle("网络错误");
dialogBuilder.setMessage("网络错误,请检查手机网络设置或尝试重启手机。");
dialogBuilder.setPositiveButton("退出",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// 退出整个程序
RYApplication.getApplicationInstance().removeAll();
}
});
dialogBuilder.setNegativeButton("重试",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// 重新检查网络
ToolNetwork.getInstance().validateNetWork();
// dialog.cancel();
}
});
dialogBuilder.setNeutralButton("设置网络",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {// which不能大于2的16次方
// 去设置网络
((Activity) mContext).startActivityForResult(
new Intent(Settings.ACTION_SETTINGS), 2);// 不能用which
}
});
dialogBuilder.create();
dialogBuilder.show();
}
}
/**
* 获取网络连接信息</br> 无网络：</br> WIFI网络：WIFI</br> WAP网络：CMWAP</br>
* NET网络：CMNET</br>
*
* @return
*/
public String getNetworkType() {
if (isConnected()) {
int type = networkInfo.getType();
if (ConnectivityManager.TYPE_MOBILE == type) {
KLog.i(TAG,
"networkInfo.getExtraInfo()-->"
+ networkInfo.getExtraInfo());
if (NETWORK_CMWAP.equals(networkInfo.getExtraInfo()
.toLowerCase())) {
return NETWORK_CMWAP;
} else {
return NETWORK_CMNET;
}
} else if (ConnectivityManager.TYPE_WIFI == type) {
return NETWORK_WIFI;
}
}
return "";
}
private static class SingletonHolder {
private static ToolNetwork instance = new ToolNetwork();
}
}