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认证Wifi简介
Wifi Portal portal认证就是连接Wifi成功后，还需要去一个登录页面，登录后才能正常使用wifi。在现在商店比如肯德基，万科，万达等很多外场，都有这样的认证方式。 Google 官方介绍： 直接在ConnectivityService 的maybeHandleNetworkMonitorMessage 函数中处理，并跳转： private boolean maybeHandleNetworkMonitorMessage(Message msg) { case NetworkMonitor.EVENT_PROVISIONING_NOTIFICATION: { ... PendingIntent intent = (PendingIntent) msg.obj; if (DBG) log("start PendingIntent"); intent.send(); }完整修改记录： --- a/services/core/java/com/android/server/ConnectivityService.java +++ b/services/core/java/com/android/server/ConnectivityService.java @@ -2288,6 +2288,7 @@ public class ConnectivityService extends IConnectivityManager.Stub final boolean visible = toBool(msg.arg1); final NetworkAgentInfo nai = getNetworkAgentInfoForNetId(netId); // If captive portal status has changed, update capabilities or disconnect. + if (DBG) log("Avoiding captive portal network: " + nai); if (nai != null && (visible != nai.lastCaptivePortalDetected)) { final int oldScore = nai.getCurrentScore(); nai.lastCaptivePortalDetected = visible; @@ -2310,8 +2311,19 @@ public class ConnectivityService extends IConnectivityManager.Stub break; } if (!nai.networkMisc.provisioningNotificationDisabled) { + if (DBG) log("Avoiding captive portal network: showNotification"); mNotifier.showNotification(netId, NotificationType.SIGN_IN, nai, null, (PendingIntent) msg.obj, nai.networkMisc.explicitlySelected); + if (nai.networkInfo.getType() == ConnectivityManager.TYPE_WIFI) { + try { + PendingIntent intent = (PendingIntent) msg.obj; + if (DBG) log("start PendingIntent"); + intent.send(); + } catch (PendingIntent.CanceledException e) { + log("PendingIntent.CanceledException " + e.toString()); + e.getStackTrace(); + } + } } } break; --使用自定义的服务器地址判断是否Wifi Port成功: --- a/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java +++ b/packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java @@ -71,12 +71,16 @@ import java.lang.reflect.Method; import java.util.Objects; import java.util.Random; import java.util.concurrent.atomic.AtomicBoolean; +import android.os.SystemClock; +import java.io.BufferedReader; +import java.io.InputStream; +import java.io.InputStreamReader; public class CaptivePortalLoginActivity extends Activity { private static final String TAG = CaptivePortalLoginActivity.class.getSimpleName(); private static final boolean DBG = true; private static final boolean VDBG = false; - + private static final String DEFAULT_SERVER = "xxx.xxx.xxx";//自定义的服务器 private static final int SOCKET_TIMEOUT_MS = 10000; private enum Result { @@ -302,11 +306,11 @@ public class CaptivePortalLoginActivity extends Activity { } private URL getUrl() { - String url = getIntent().getStringExtra(ConnectivityManager.EXTRA_CAPTIVE_PORTAL_URL); - if (url == null) { - url = mCm.getCaptivePortalServerUrl(); + try { + return new URL("http",DEFAULT_SERVER, "/link.html?t=" + SystemClock.uptimeMillis()); + }catch (MalformedURLException|NumberFormatException e) { + return null; } - return makeURL(url); } private static URL makeURL(String url) { @@ -342,6 +346,7 @@ public class CaptivePortalLoginActivity extends Activity { } HttpURLConnection urlConnection = null; int httpResponseCode = 500; + String msg = ""; String locationHeader = null; try { urlConnection = (HttpURLConnection) network.openConnection(mUrl); @@ -354,13 +359,22 @@ public class CaptivePortalLoginActivity extends Activity { } // cannot read request header after connection String requestHeader = urlConnection.getRequestProperties().toString(); - + InputStream input = urlConnection.getInputStream(); + BufferedReader br = new BufferedReader(new InputStreamReader(input)); + String line = null; + StringBuffer sb = new StringBuffer(); + } + input.close(); + msg = sb.toString(); urlConnection.getInputStream(); httpResponseCode = urlConnection.getResponseCode(); locationHeader = urlConnection.getHeaderField(HTTP_LOCATION_HEADER_NAME); if (DBG) { Log.d(TAG, "probe at " + mUrl + " ret=" + httpResponseCode + + " msg=" + msg + " request=" + requestHeader + " headers=" + urlConnection.getHeaderFields()); } @@ -368,7 +382,7 @@ public class CaptivePortalLoginActivity extends Activity { } finally { if (urlConnection != null) urlConnection.disconnect(); } - if (isDismissed(httpResponseCode, locationHeader, mProbeSpec)) { + if (!TextUtils.isEmpty(msg) && msg.contains("success")) {//返回SUCCESS 表示认证WIIF成功 done(Result.DISMISSED); } } |
判断是否是认证WIfi【本文地址】
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