Android 監聽 WiFi 開關狀態

轉載請標明出處：http://blog.csdn.net/zhaoyanjun6/article/details/70854309
本文出自【趙彥軍的博客】

• WifiSwitch_Presenter 源碼：

package com.yiba.wifi.sdk.lib.presenter;import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.net.wifi.WifiManager;/*** Created by ${zhaoyanjun} on 2017/3/29.* Wifi 開關監聽*/public class WifiSwitch_Presenter {private Context mContext ;private Receiver receiver ;private WifiSwitch_Interface mInterface ;public WifiSwitch_Presenter( Context context , WifiSwitch_Interface mInterface ){this.mContext = context ;this.mInterface = mInterface ;observeWifiSwitch();}private void observeWifiSwitch(){IntentFilter filter = new IntentFilter();filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION);receiver = new Receiver() ;mContext.registerReceiver(receiver, filter);}/*** 釋放資源*/public void onDestroy(){if ( receiver != null ){mContext.unregisterReceiver( receiver );}if (mContext!=null){mContext = null;}}class Receiver extends BroadcastReceiver {@Overridepublic void onReceive(Context context, Intent intent) {int wifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 0);switch (wifiState) {case WifiManager.WIFI_STATE_DISABLED:if (mInterface != null){mInterface.wifiSwitchState(WifiSwitch_Interface.WIFI_STATE_DISABLED);}break;case WifiManager.WIFI_STATE_DISABLING:if (mInterface != null){mInterface.wifiSwitchState(WifiSwitch_Interface.WIFI_STATE_DISABLING);}break;case WifiManager.WIFI_STATE_ENABLED:if (mInterface != null){mInterface.wifiSwitchState(WifiSwitch_Interface.WIFI_STATE_ENABLED);}break;case WifiManager.WIFI_STATE_ENABLING:if ( mInterface != null ) {mInterface.wifiSwitchState(WifiSwitch_Interface.WIFI_STATE_ENABLING);}break;case WifiManager.WIFI_STATE_UNKNOWN:if ( mInterface != null ){mInterface.wifiSwitchState( WifiSwitch_Interface.WIFI_STATE_UNKNOWN );}break;}}} }

• WifiSwitch_Interface 源碼

package com.yiba.wifi.sdk.lib.presenter;/*** Created by ${zhaoyanjun} on 2017/3/29.* Wifi 開關監聽*/public interface WifiSwitch_Interface {int WIFI_STATE_ENABLING = 0 ;int WIFI_STATE_ENABLED = 1 ;int WIFI_STATE_DISABLING = 2 ;int WIFI_STATE_DISABLED = 3 ;int WIFI_STATE_UNKNOWN = 4 ;void wifiSwitchState( int state ); }

• 使用方式 MainActivity ：

package com.yiba.core; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.Toast;public class MainActivity extends AppCompatActivity implements WifiSwitch_Interface {private WifiSwitch_Presenter wifiSwitch_presenter ;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);wifiSwitch_presenter = new WifiSwitch_Presenter( this , this ) ;}@Overridepublic void wifiSwitchState(int state) {switch ( state ){case WifiSwitch_Interface.WIFI_STATE_DISABLED :Toast.makeText(this, "WiFi 已經關閉", Toast.LENGTH_SHORT).show();break;case WifiSwitch_Interface.WIFI_STATE_DISABLING:Toast.makeText(this, "WiFi 正在關閉", Toast.LENGTH_SHORT).show();break;case WifiSwitch_Interface.WIFI_STATE_ENABLED :Toast.makeText(this, "WiFi 已經打開", Toast.LENGTH_SHORT).show();break;case WifiSwitch_Interface.WIFI_STATE_ENABLING :Toast.makeText(this, "WiFi 正在打開", Toast.LENGTH_SHORT).show();break;}}@Overrideprotected void onDestroy() {super.onDestroy();//釋放資源if ( wifiSwitch_presenter != null ){wifiSwitch_presenter.onDestroy();}} }

總結

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