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package cn.hackcoder.beautyreader.broadcast;
import android.content.broadcastreceiver;
import android.content.context;
import android.content.intent;
import android.net.connectivitymanager;
import android.util.log;
import android.widget.toast;
import cn.hackcoder.beautyreader.activity.base.baseactivity;
import cn.hackcoder.beautyreader.utils.networkutils;
public class networkstatusreceiver extends broadcastreceiver {
public networkstatusreceiver() {
}
@override
public void onreceive(context context, intent intent) {
string action = intent.getaction();
if (action.equals(connectivitymanager.connectivity_action)) {
toast.maketext(context, "network changed", toast.length_long).show();
baseactivity.isnetworkconnected = networkutils.getapntype(context)>0;
}
}
}
package cn.hackcoder.beautyreader.utils;
import android.content.context;
import android.net.connectivitymanager;
import android.net.networkinfo;
import android.telephony.telephonymanager;
/**
* created by hackcoder on 15-1-25.
*/
public class networkutils {
/**
* 判断是否有网络连接
* @param context
* @return
*/
public static boolean isnetworkconnected(context context) {
if (context != null) {
connectivitymanager mconnectivitymanager = (connectivitymanager) context
.getsystemservice(context.connectivity_service);
networkinfo mnetworkinfo = mconnectivitymanager.getactivenetworkinfo();
if (mnetworkinfo != null) {
return mnetworkinfo.isavailable();
}
}
return false;
}
/**
* 判断wifi网络是否可用
* @param context
* @return
*/
public static boolean iswificonnected(context context) {
if (context != null) {
connectivitymanager mconnectivitymanager = (connectivitymanager) context
.getsystemservice(context.connectivity_service);
networkinfo mwifinetworkinfo = mconnectivitymanager
.getnetworkinfo(connectivitymanager.type_wifi);
if (mwifinetworkinfo != null) {
return mwifinetworkinfo.isavailable();
}
}
return false;
}
/**
* 判断mobile网络是否可用
* @param context
* @return
*/
public static boolean ismobileconnected(context context) {
if (context != null) {
connectivitymanager mconnectivitymanager = (connectivitymanager) context
.getsystemservice(context.connectivity_service);
networkinfo mmobilenetworkinfo = mconnectivitymanager
.getnetworkinfo(connectivitymanager.type_mobile);
if (mmobilenetworkinfo != null) {
return mmobilenetworkinfo.isavailable();
}
}
return false;
}
/**
* 获取当前网络连接的类型信息
* @param context
* @return
*/
public static int getconnectedtype(context context) {
if (context != null) {
connectivitymanager mconnectivitymanager = (connectivitymanager) context
.getsystemservice(context.connectivity_service);
networkinfo mnetworkinfo = mconnectivitymanager.getactivenetworkinfo();
if (mnetworkinfo != null && mnetworkinfo.isavailable()) {
return mnetworkinfo.gettype();
}
}
return -1;
}
/**
* 获取当前的网络状态 ：没有网络0：wifi网络1：3g网络2：2g网络3
*
* @param context
* @return
*/
public static int getapntype(context context) {
int nettype = 0;
connectivitymanager connmgr = (connectivitymanager) context
.getsystemservice(context.connectivity_service);
networkinfo networkinfo = connmgr.getactivenetworkinfo();
if (networkinfo == null) {
return nettype;
}
int ntype = networkinfo.gettype();
if (ntype == connectivitymanager.type_wifi) {
nettype = 1;// wifi
} else if (ntype == connectivitymanager.type_mobile) {
int nsubtype = networkinfo.getsubtype();
telephonymanager mtelephony = (telephonymanager) context
.getsystemservice(context.telephony_service);
if (nsubtype == telephonymanager.network_type_umts
&& !mtelephony.isnetworkroaming()) {
nettype = 2;// 3g
} else {
nettype = 3;// 2g
}
}
return nettype;
}
}
注册：
<receiver
android:name=".broadcast.networkstatusreceiver"
android:enabled="true"
android:exported="true">
<intent-filter>
<action android:name="android.net.conn.connectivity_change" />
</intent-filter>
</receiver>
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