WifiManager: expose Local Only Hotspot APIs

Expose the APIs to start and stop LocalOnlyHotspot.

Bug: 31466854
Bug: 37073685
Test: make update-api
Test: make
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Test: frameworks/base/wifi/tests/runtests.sh
Change-Id: I8d149ab04d24bf0eb54dd8d8a62e285f9c5b483e

api/current.txt

@@ -26552,6 +26552,7 @@ package android.net.wifi {
     method public void setTdlsEnabled(java.net.InetAddress, boolean);
     method public void setTdlsEnabledWithMacAddress(java.lang.String, boolean);
     method public boolean setWifiEnabled(boolean);
+    method public void startLocalOnlyHotspot(android.net.wifi.WifiManager.LocalOnlyHotspotCallback, android.os.Handler);
     method public boolean startScan();
     method public void startWps(android.net.wifi.WpsInfo, android.net.wifi.WifiManager.WpsCallback);
     method public int updateNetwork(android.net.wifi.WifiConfiguration);
@@ -26602,6 +26603,21 @@ package android.net.wifi {
     field public static final int WPS_WEP_PROHIBITED = 4; // 0x4
   }
 
+  public static class WifiManager.LocalOnlyHotspotCallback {
+    ctor public WifiManager.LocalOnlyHotspotCallback();
+    method public void onFailed(int);
+    method public void onStarted(android.net.wifi.WifiManager.LocalOnlyHotspotReservation);
+    method public void onStopped();
+    field public static final int ERROR_GENERIC = 2; // 0x2
+    field public static final int ERROR_INCOMPATIBLE_MODE = 3; // 0x3
+    field public static final int ERROR_NO_CHANNEL = 1; // 0x1
+  }
+
+  public class WifiManager.LocalOnlyHotspotReservation implements java.lang.AutoCloseable {
+    method public void close();
+    method public android.net.wifi.WifiConfiguration getConfig();
+  }
+
   public class WifiManager.MulticastLock {
     method public void acquire();
     method public boolean isHeld();

api/system-current.txt

@@ -29132,6 +29132,7 @@ package android.net.wifi {
     method public boolean setWifiApConfiguration(android.net.wifi.WifiConfiguration);
     method public boolean setWifiApEnabled(android.net.wifi.WifiConfiguration, boolean);
     method public boolean setWifiEnabled(boolean);
+    method public void startLocalOnlyHotspot(android.net.wifi.WifiManager.LocalOnlyHotspotCallback, android.os.Handler);
     method public deprecated boolean startLocationRestrictedScan(android.os.WorkSource);
     method public boolean startScan();
     method public boolean startScan(android.os.WorkSource);
@@ -29209,6 +29210,21 @@ package android.net.wifi {
     method public abstract void onSuccess();
   }
 
+  public static class WifiManager.LocalOnlyHotspotCallback {
+    ctor public WifiManager.LocalOnlyHotspotCallback();
+    method public void onFailed(int);
+    method public void onStarted(android.net.wifi.WifiManager.LocalOnlyHotspotReservation);
+    method public void onStopped();
+    field public static final int ERROR_GENERIC = 2; // 0x2
+    field public static final int ERROR_INCOMPATIBLE_MODE = 3; // 0x3
+    field public static final int ERROR_NO_CHANNEL = 1; // 0x1
+  }
+
+  public class WifiManager.LocalOnlyHotspotReservation implements java.lang.AutoCloseable {
+    method public void close();
+    method public android.net.wifi.WifiConfiguration getConfig();
+  }
+
   public class WifiManager.MulticastLock {
     method public void acquire();
     method public boolean isHeld();

api/test-current.txt

@@ -26660,6 +26660,7 @@ package android.net.wifi {
     method public void setTdlsEnabled(java.net.InetAddress, boolean);
     method public void setTdlsEnabledWithMacAddress(java.lang.String, boolean);
     method public boolean setWifiEnabled(boolean);
+    method public void startLocalOnlyHotspot(android.net.wifi.WifiManager.LocalOnlyHotspotCallback, android.os.Handler);
     method public boolean startScan();
     method public void startWps(android.net.wifi.WpsInfo, android.net.wifi.WifiManager.WpsCallback);
     method public int updateNetwork(android.net.wifi.WifiConfiguration);
@@ -26710,6 +26711,21 @@ package android.net.wifi {
     field public static final int WPS_WEP_PROHIBITED = 4; // 0x4
   }
 
+  public static class WifiManager.LocalOnlyHotspotCallback {
+    ctor public WifiManager.LocalOnlyHotspotCallback();
+    method public void onFailed(int);
+    method public void onStarted(android.net.wifi.WifiManager.LocalOnlyHotspotReservation);
+    method public void onStopped();
+    field public static final int ERROR_GENERIC = 2; // 0x2
+    field public static final int ERROR_INCOMPATIBLE_MODE = 3; // 0x3
+    field public static final int ERROR_NO_CHANNEL = 1; // 0x1
+  }
+
+  public class WifiManager.LocalOnlyHotspotReservation implements java.lang.AutoCloseable {
+    method public void close();
+    method public android.net.wifi.WifiConfiguration getConfig();
+  }
+
   public class WifiManager.MulticastLock {
     method public void acquire();
     method public boolean isHeld();

wifi/java/android/net/wifi/WifiManager.java

@@ -1882,8 +1882,6 @@ public class WifiManager {
      * operating status.
      * @param handler Handler to be used for callbacks.  If the caller passes a null Handler, the
      * main thread will be used.
-     *
-     * @hide
      */
     public void startLocalOnlyHotspot(LocalOnlyHotspotCallback callback,
             @Nullable Handler handler) {
@@ -2274,8 +2272,6 @@ public class WifiManager {
      * any further callbacks. If the LocalOnlyHotspot is stopped due to a
      * user triggered mode change, applications will be notified via the {@link
      * LocalOnlyHotspotCallback#onStopped()} callback.
-     *
-     * @hide
      */
     public class LocalOnlyHotspotReservation implements AutoCloseable {
 
@@ -2318,8 +2314,6 @@ public class WifiManager {
 
     /**
      * Callback class for applications to receive updates about the LocalOnlyHotspot status.
-     *
-     * @hide
      */
     public static class LocalOnlyHotspotCallback {
         public static final int ERROR_NO_CHANNEL = 1;
@@ -2442,7 +2436,6 @@ public class WifiManager {
     public class LocalOnlyHotspotSubscription implements AutoCloseable {
         private final CloseGuard mCloseGuard = CloseGuard.get();
 
-        /** @hide */
         @VisibleForTesting
         public LocalOnlyHotspotSubscription() {
             mCloseGuard.open("close");