add wifi register

app/src/main/java/com/mogo/cloud/wifi/IWifiStateListener.java

@@ -0,0 +1,9 @@
+package com.mogo.cloud.wifi;
+
+import android.net.wifi.WifiInfo;
+
+public interface IWifiStateListener {
+
+    void onWifiState(WifiInfo wifiInfo);
+
+}

app/src/main/java/com/mogo/cloud/wifi/WifiBroadCastReceiver.java

@@ -0,0 +1,49 @@
+package com.mogo.cloud.wifi;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.net.wifi.WifiInfo;
+import android.net.wifi.WifiManager;
+
+import com.mogo.cloud.utils.logger.Logger;
+
+public class WifiBroadCastReceiver extends BroadcastReceiver {
+
+    private static final String TAG = "WifiBroadCastReceiver";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        int wifiState = intent.getIntExtra("wifi_state", 0);
+        WifiManager wifiManager = ((WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE));
+        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
+        if (wifiInfo != null) {
+            Logger.d(TAG, "onReceive wifiInfo, update wifiState");
+            WifiStateManager.getInstance().updateWifiState(wifiInfo);
+
+            int linkSpeed = wifiInfo.getLinkSpeed();
+            Logger.d(TAG, "wifi linkSpeed : " + linkSpeed); //wifi连接速度
+            //0到-50表示信号最好，-50到-70表示信号偏差，小于-70表示最差，有可能连接不上或者掉线
+            int level = Math.abs(wifiInfo.getRssi());
+            Logger.d(TAG, "wifi level : " + level); //wifi信号强度
+
+            switch (wifiState) {
+                case WifiManager.WIFI_STATE_DISABLING:
+                    Logger.d(TAG, "WIFI State : DISABLING");
+                    break;
+                case WifiManager.WIFI_STATE_DISABLED:
+                    Logger.d(TAG, "WIFI State : DISABLED");
+                    break;
+                case WifiManager.WIFI_STATE_ENABLING:
+                    Logger.d(TAG, "WIFI State : ENABLING");
+                    break;
+                case WifiManager.WIFI_STATE_ENABLED:
+                    Logger.d(TAG, "WIFI State : ENABLED");
+                    break;
+                case WifiManager.WIFI_STATE_UNKNOWN:
+                    Logger.d(TAG, "WIFI State : UNKNOWN");
+                    break;
+            }
+        }
+    }
+}

app/src/main/java/com/mogo/cloud/wifi/WifiStateManager.java

@@ -0,0 +1,46 @@
+package com.mogo.cloud.wifi;
+
+import android.net.wifi.WifiInfo;
+
+import com.zhidao.manager.system.wifi.WifiState;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class WifiStateManager {
+
+    private WifiStateManager() {
+
+    }
+
+    public static WifiStateManager getInstance() {
+        return Holder.wifiStateManager;
+    }
+
+    private static final class Holder {
+        private static final WifiStateManager wifiStateManager = new WifiStateManager();
+    }
+
+    private final List<IWifiStateListener> wifiStateListeners = new ArrayList<>();
+
+    public void registerWifiStateListener(IWifiStateListener listener) {
+        if (listener != null && !wifiStateListeners.contains(listener)) {
+            wifiStateListeners.add(listener);
+        }
+    }
+
+    public void unRegisterWifiStateListener(IWifiStateListener listener) {
+        if (listener != null) {
+            wifiStateListeners.remove(listener);
+        }
+    }
+
+    public void updateWifiState(WifiInfo wifiInfo) {
+        if (wifiStateListeners.size() > 0) {
+            for (IWifiStateListener listener : wifiStateListeners) {
+                listener.onWifiState(wifiInfo);
+            }
+        }
+    }
+
+}