HotsSpotReceiver 热点

package com.android.demo.lileidemo.listener;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Handler;

import com.android.demo.lileidemo.MyApplication;
import com.android.demo.lileidemo.constant.AppConstants;

/**
 * date: 04/08/2020.
 * author: lilei.
 * Android8.0 should dynamic registration monitoring.
 */
public class HotsSpotReceiver extends BroadcastReceiver {
    public static String TAG = AppConstants.APP_TAG + "HotsSpotReceiver";
    private Handler mWorker;
    private static volatile HotsSpotReceiver mInstance;
    public static final int WIFI_AP_CLOSEING = 10;  //wifi hot is closeing
    public static final int WIFI_AP_CLOSE_SUCCESS = 11;  //wifi hot close success
    public static final int WIFI_AP_OPENING = 12;  //WiFi hot is opening
    public static final int WIFI_AP_OPEN_SUCCESS = 13;  //WiFi hot open success

    public HotsSpotReceiver() {
        mWorker = new Handler();
    }

    /**
     * get Instance.
     *
     * @return instance.
     */
    public static HotsSpotReceiver getInstance() {
        if (mInstance == null) {
            synchronized (HotsSpotReceiver.class) {
                if (mInstance == null) {
                    mInstance = new HotsSpotReceiver();
                }
            }
        }
        return mInstance;
    }

    /**
     * Register Ivi State Change Listener and start HotsSpot monitor.
     */
    public void registerIviStateChangeListener() {
        //LogUtil.d(TAG + "registerIviStateChangeListener()");
        registerReceiver();
    }

    /**
     * registerReceiver.
     */
    private void registerReceiver() {
        //LogUtil.d(TAG + "registerReceiver private");
        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction("android.net.wifi.WIFI_AP_STATE_CHANGED");
        MyApplication.getAppContext().registerReceiver(HotsSpotReceiver.getInstance(),
            intentFilter);
    }

    /**
     * unregisterReceiver.
     */
    public void unregisterReceiver() {
        MyApplication.getAppContext().unregisterReceiver(HotsSpotReceiver.getInstance());
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        if (action.equals("android.net.wifi.WIFI_AP_STATE_CHANGED")) {
            int state = intent.getIntExtra("wifi_state", 0);
            if (state == WIFI_AP_CLOSEING) {
                //LogUtil.d(TAG + "wifi hot is closeing");
            } else if (state == WIFI_AP_CLOSE_SUCCESS) {
                //LogUtil.d(TAG + "wifi hot close success");
            } else if (state == WIFI_AP_OPENING) {
                //LogUtil.d(TAG + "WiFi hot is opening");
            } else if (state == WIFI_AP_OPEN_SUCCESS) {
                //LogUtil.d(TAG + "WiFi hot open success");
            }
        }
    }
}