diff options
Diffstat (limited to 'wifi')
| -rw-r--r-- | wifi/java/android/net/wifi/p2p/package.html | 68 | ||||
| -rw-r--r-- | wifi/java/android/net/wifi/package.html | 21 |
2 files changed, 87 insertions, 2 deletions
diff --git a/wifi/java/android/net/wifi/p2p/package.html b/wifi/java/android/net/wifi/p2p/package.html new file mode 100644 index 0000000..94d695f --- /dev/null +++ b/wifi/java/android/net/wifi/p2p/package.html @@ -0,0 +1,68 @@ +<HTML> +<BODY> +<p>Provides classes to create peer-to-peer (P2P) connections with Wi-Fi Direct.</p> + +<p>Using these APIs, you can discover and connect to other devices when each +device supports Wi-Fi Direct, then communicate over a speedy connection across distances much longer +than a Bluetooth connection. The primary class you need to work with is {@link +android.net.wifi.p2p.WifiP2pManager}, which you can acquire by calling {@link +android.app.Activity#getSystemService getSystemService(WIFI_P2P_SERVICE)}. The {@link +android.net.wifi.p2p.WifiP2pManager} includes APIs that allow you to:</p> +<ul> +<li>Initialize your application for P2P connections by calling {@link +android.net.wifi.p2p.WifiP2pManager#initialize initialize()}</li> + +<li>Discover nearby devices by calling {@link android.net.wifi.p2p.WifiP2pManager#discoverPeers +discoverPeers()}</li> + +<li>Start a P2P connection by calling {@link android.net.wifi.p2p.WifiP2pManager#connect +connect()}</li> +<li>And more</li> +</ul> + +<p>Several other interfaces and classes are necessary as well, such as:</p> +<ul> +<li>The {@link android.net.wifi.p2p.WifiP2pManager.ActionListener} interface allows you to receive +callbacks when an operation such as discovering peers or connecting to them succeeds or fails.</li> + +<li>{@link android.net.wifi.p2p.WifiP2pManager.PeerListListener} interface allows you to receive +information about discovered peers. The callback provides a {@link +android.net.wifi.p2p.WifiP2pDeviceList}, from which you can retrieve a {@link +android.net.wifi.p2p.WifiP2pDevice} object for each device within range and get information such as +the device name, address, device type, the WPS configurations the device supports, and more.</li> + +<li>The {@link android.net.wifi.p2p.WifiP2pManager.GroupInfoListener} interface allows you to +receive information about a P2P group. The callback provides a {@link +android.net.wifi.p2p.WifiP2pGroup} object, which provides group information such as the owner, the +network name, and passphrase.</li> + +<li>{@link android.net.wifi.p2p.WifiP2pManager.ConnectionInfoListener} interface allows you to +receive information about the current connection. The callback provides a {@link +android.net.wifi.p2p.WifiP2pInfo} object, which has information such as whether a group has been +formed and who is the group owner.</li> +</ul> + +<p>In order to use the Wi-Fi P2P APIs, your app must request the following user permissions:</p> +<ul> +<li>{@link android.Manifest.permission#ACCESS_WIFI_STATE}</li> +<li>{@link android.Manifest.permission#CHANGE_WIFI_STATE}</li> +<li>{@link android.Manifest.permission#INTERNET} (although your app doesn’t technically connect +to the Internet, communicating to Wi-Fi Direct peers with standard java sockets requires Internet +permission).</li> +</ul> + +<p>For example code, see the <a href="{@docRoot}resources/samples/WiFiDirectDemo/index.html">Wi-Fi +Direct Demo</a> sample application.</p> + +<p class="note"><strong>Note:</strong> Not all Android-powered devices support Wi-Fi +Direct. If your application uses Wi-Fi Direct, declare so with a <a +href="{@docRoot}guide/topics/manifest/uses-feature-element.html">{@code <uses-feature>}</a> +element in the manifest file:</p> +<pre> +<manifest ...> + <uses-feature android:name="android.hardware.wifi.direct" /> + ... +</manifest> +</pre> +</BODY> +</HTML> diff --git a/wifi/java/android/net/wifi/package.html b/wifi/java/android/net/wifi/package.html index 530313d..6f0d337 100644 --- a/wifi/java/android/net/wifi/package.html +++ b/wifi/java/android/net/wifi/package.html @@ -1,12 +1,29 @@ <HTML> <BODY> -Provides classes to manage Wi-Fi functionality on the device. +<p>Provides classes to manage Wi-Fi functionality on the device.</p> <p>The Wi-Fi APIs provide a means by which applications can communicate with the lower-level wireless stack that provides Wi-Fi network access. Almost all information from the device supplicant is available, including the connected network's link speed, IP address, negotiation state, and more, plus information about other networks that are available. Some other API features include the ability to scan, add, save, terminate and initiate Wi-Fi connections.</p> -<p>Remember, not all Android devices are guaranteed to have Wi-Fi functionality.</p> + +<p>Some APIs may require the following user permissions:</p> +<ul> + <li>{@link android.Manifest.permission#ACCESS_WIFI_STATE}</li> + <li>{@link android.Manifest.permission#CHANGE_WIFI_STATE}</li> + <li>{@link android.Manifest.permission#CHANGE_WIFI_MULTICAST_STATE}</li> +</ul> + +<p class="note"><strong>Note:</strong> Not all Android-powered devices provide Wi-Fi functionality. +If your application uses Wi-Fi, declare so with a <a +href="{@docRoot}guide/topics/manifest/uses-feature-element.html">{@code <uses-feature>}</a> +element in the manifest file:</p> +<pre> +<manifest ...> + <uses-feature android:name="android.hardware.wifi" /> + ... +</manifest> +</pre> </BODY> </HTML> |