WiFi network operation

WiFi NIC status (unavailable status value is 1, closing value is 0, available status value is 3, opening value is 2)

The WiFi NIC status is represented by a series of integer constants that are stored in the Wifimanager class

1, wifi_state_disabled WIFI network card is not available

2. Wifi_state_disabling WIFI is shutting down

3, wifi_state_enabled WIFI network card available

4, wifi_state_enabling WIFI network card is open

5. Wifi_state_unknown Unknown NIC Status

Permission to operate the WiFi network card, declared in Androidmanifest.xml:

<uses-permission android:name= "Android.permission.RECEIVE_SMS"/>
<uses-permission android:name= "Android.permission.CHANGE_WIFI_STATE"/>
<uses-permission android:name= "Android.permission.CHANGE_NETWORK_STATE"/>
<uses-permission android:name= "Android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name= "Android.permission.ACCESS_WIFI_STATE"/>

Open the WiFi card code:

Wifimanager Wifimanager = (wifimanager) OtherActivity.this.getSystemService (Context.wifi_service);
Wifimanager.setwifienabled (TRUE); Turn on the WiFi card
Toast.maketext (otheractivity.this, "Current WiFi card status" + Wifimanager.getwifistate (), Toast.length_long). Show (); Output current WiFi status

Turn off the WiFi card code:

Wifimanager.setwifienabled (FALSE); Turn on the WiFi card

Get WiFi Card status:

Wifimanager.getwifistate ();

WiFi network operation