android获取及监听手机网络状态

一、获取当前手机联网方式是wifi还是手机4g数据

private boolean getnetworktype(){
        connectivitymanager mconnectivity = (connectivitymanager)getsystemservice(context.connectivity_service);
        //检查网络链接
        networkinfo info = mconnectivity.getactivenetworkinfo();
        int nettype = mconnectivity.getactivenetworkinfo().gettype();
        if (nettype == connectivitymanager.type_wifi) {  //wifi
            changyoulog.i(tag,"当前是wifi连接 isconnected = "+info.isconnected());
            return info.isconnected();
        } else if (nettype == connectivitymanager.type_mobile) {   //mobile
            changyoulog.i(tag,"当前是手机网络连接 isconnected = "+info.isconnected());
            return info.isconnected();
        } else {
            changyoulog.i(tag,"当前没有网络连接 isconnected = "+info.isconnected());
            return false;
        }
    }

二、监听手机网络变化

private class mybroadcastreceiver extends broadcastreceiver{
        @override
        public void onreceive(context context, intent intent) {
            if (intent.getaction().equals(connectivitymanager.connectivity_action)) {//监听网络连接
                //获取联网状态的networkinfo对象
                networkinfo info = intent.getparcelableextra(connectivitymanager.extra_network_info);
                if (info != null) {
                    //如果当前的网络连接成功并且网络连接可用
                    if (networkinfo.state.connected == info.getstate() && info.isavailable()) {
                        if (info.gettype() == connectivitymanager.type_wifi){
                            changyoulog.i(tag,"连接上wifi");
                        }else if (info.gettype() == connectivitymanager.type_mobile){
                            changyoulog.i(tag,"连接上移动网络数据");
                            cyoulbymicroclient.getinstance().gameevent("network_4g_reminder");
                        }
                    } else {
                        changyoulog.i(tag,"网络断开");
                    }
                }
            }
        }
    }

注：需要添加网络状态权限

<uses-permission android:name="android.permission.access_network_state" />
<uses-permission android:name="android.permission.access_wifi_state" />

总结

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