自定义WIFI列表需要使用的广播简介使用

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我是靠谱客的博主有魅力雨，最近开发中收集的这篇文章主要介绍自定义WIFI列表需要使用的广播简介使用，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

简介

此处列出自定义wifi列表常用的广播，需要注意wifi广播会出现发送多次的现象，需要自己过滤

WifiManager.NETWORK_STATE_CHANGED_ACTION
用于wifi连接过程中的事件监听，连接中、连接成功、未连接

WifiManager.SUPPLICANT_STATE_CHANGED_ACTION
用于监听密码输入错误的事件

WifiManager.RSSI_CHANGED_ACTION
用于监听wifi 信号强度变化

ConnectivityManager.CONNECTIVITY_ACTION
用于网络变动的监听

使用

public class NetworkChangeReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
    if (intent.getAction() == null) {
        return;
    }
    switch (intent.getAction()) {
        case WifiManager.RSSI_CHANGED_ACTION://wifi 信号强度变化:
            Log.d("NetworkChangeReceiver", "strength: "+getWifiStrength());
            break;
        case ConnectivityManager.CONNECTIVITY_ACTION://网络类型
            Log.d("NetworkChangeReceiver", "type: " + getNetworkType());
            break;

        case WifiManager.NETWORK_STATE_CHANGED_ACTION://连接过程
            NetworkInfo info = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
            if (info.getState().equals(NetworkInfo.State.DISCONNECTED)) {
                Log.d(TAG, "onReceive: DISCONNECTED");
            } else if (info.getState().equals(NetworkInfo.State.CONNECTING)) {
                Log.d(TAG, "onReceive: CONNECTING");
            } else if (info.getState().equals(NetworkInfo.State.CONNECTED)) {
                Log.d(TAG, "onReceive: CONNECTED");
            }
            break;

        case WifiManager.SUPPLICANT_STATE_CHANGED_ACTION://密码监听
            int error = intent.getIntExtra(WifiManager.EXTRA_SUPPLICANT_ERROR, -1);
            if (error == WifiManager.ERROR_AUTHENTICATING) {
                Log.d(TAG, "onReceive: 密码错误");
            }
            break;
        default:
            break;
    }
}


/**
 * 获取当前wifi强度
 */
public static final int WIFI_SIGNAL_STRONG = 3; // wifi信号强/满格
public static final int WIFI_SIGNAL_NORMAL = 2; // 信号偏差
public static final int WIFI_SIGNAL_WEAK = 1; // 信号弱
public static final int WIFI_SIGNAL_NONE = 0; // 无信号

public int getWifiStrength() {
    wifiManager = (WifiManager) AppContext.get().getApplicationContext().getSystemService(WIFI_SERVICE);
    if (wifiManager == null || !wifiManager.isWifiEnabled()) {
        return WIFI_SIGNAL_NONE;
    }
    WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    int rssi = wifiInfo.getRssi();
    LogUtil.d(rssi+"");
    return WifiManager.calculateSignalLevel(rssi, 4);
}



/**
 * 获取当前网络类型
 */
public static final int NET_ETHERNET = 1;// 有线连接
public static final int NET_WIFI = 2; // wifi连接
public static final int NET_MOBILE = 3;//移动
public static final int NET_NO_CONNECT = 0; // 没有网络连接

public int getNetworkType() {
    ConnectivityManager connectMgr = (ConnectivityManager) AppContext.get().getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo ethNetInfo = connectMgr.getNetworkInfo(ConnectivityManager.TYPE_ETHERNET);
    NetworkInfo wifiNetInfo = connectMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
    NetworkInfo mobileNetInfo = connectMgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
    
    if (ethNetInfo != null && ethNetInfo.isConnected()) {
        return NET_ETHERNET;
    } else if (wifiNetInfo != null && wifiNetInfo.isConnected()) {
        return NET_WIFI;
    } else if (mobileNetInfo != null && mobileNetInfo.isConnected()) {
        return NET_MOBILE;
    } else {
        return NET_NO_CONNECT;
    }
}
}