commit 207b6cff269dde0c52e42caf5602a33d5c4e2bb5
author Chiachang Wang <chiachangwang@google.com> Thu Jan 09 13:50:55 2020 +0800
committer Chiachang Wang <chiachangwang@google.com> Mon Jan 13 14:28:02 2020 +0800
tree 6ef06c718037da8251e186d90f1460fd8b47aade
parent 4bcef011b29e5e27a2d827155df5681d089c88fa

Support reevaluation request from captive portal app

CaptivePortalLogin use similar way to validate the network as
NetworkMonitor. Provide API to reuse NetworkMonitor facilities
for consistent captive portal detection.

Bug: 134892996
Test: atest FrameworksNetTests NetworkStackTests NetworkStackNextTests
Test: manually test with captive portal Wi-Fi
Test: make system-api-stubs-docs-update-current-api \
      test-api-stubs-docs-update-current-api
Change-Id: I6f039eae7ceb18eb6c3cf15587cdc27a7fe35b00

core/java/android/net/CaptivePortal.java

diff --git a/core/java/android/net/CaptivePortal.java b/core/java/android/net/CaptivePortal.java
index a66fcae..fb35b4b 100644
--- a/core/java/android/net/CaptivePortal.java
+++ b/core/java/android/net/CaptivePortal.java
@@ -60,6 +60,18 @@
     @SystemApi
     @TestApi
     public static final int APP_RETURN_WANTED_AS_IS = 2;
+    /** Event offset of request codes from captive portal application. */
+    private static final int APP_REQUEST_BASE = 100;
+    /**
+     * Request code from the captive portal application, indicating that the network condition may
+     * have changed and the network should be re-validated.
+     * @see ICaptivePortal#appRequest(int)
+     * @see android.net.INetworkMonitor#forceReevaluation(int)
+     * @hide
+     */
+    @SystemApi
+    @TestApi
+    public static final int APP_REQUEST_REEVALUATION_REQUIRED = APP_REQUEST_BASE + 0;
 
     private final IBinder mBinder;
 
@@ -136,6 +148,19 @@
     }
 
     /**
+     * Request that the system reevaluates the captive portal status.
+     * @hide
+     */
+    @SystemApi
+    @TestApi
+    public void reevaluateNetwork() {
+        try {
+            ICaptivePortal.Stub.asInterface(mBinder).appRequest(APP_REQUEST_REEVALUATION_REQUIRED);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
      * Log a captive portal login event.
      * @param eventId one of the CAPTIVE_PORTAL_LOGIN_* constants in metrics_constants.proto.
      * @param packageName captive portal application package name.