Make Wifi WPS API available on application layer

Un-hide WPS methods (and required interface classes, etc.) of WifiManager to
enable Apps to start/stop the WPS procedure, add a patch for WPS method
KEYPAD to avoid early failure callbacks. (Methods PBC, DISPLAY, KEYPAD
tested on 4.4.2_r2.)

Change-Id: I25aafdc4b637c87d754d4fdb70e40a34a569b738
Signed-off-by: Olaf Stoyke <o.stoyke@avm.de>

api/current.txt

@@ -17067,6 +17067,7 @@ package android.net.wifi {
   public class WifiManager {
     method public int addNetwork(android.net.wifi.WifiConfiguration);
     method public static int calculateSignalLevel(int, int);
+    method public void cancelWps(android.net.wifi.WifiManager.ActionListener);
     method public static int compareSignalLevel(int, int);
     method public android.net.wifi.WifiManager.MulticastLock createMulticastLock(java.lang.String);
     method public android.net.wifi.WifiManager.WifiLock createWifiLock(int, java.lang.String);
@@ -17090,9 +17091,12 @@ package android.net.wifi {
     method public void setTdlsEnabledWithMacAddress(java.lang.String, boolean);
     method public boolean setWifiEnabled(boolean);
     method public boolean startScan();
+    method public void startWps(android.net.wifi.WpsInfo, android.net.wifi.WifiManager.WpsListener);
     method public int updateNetwork(android.net.wifi.WifiConfiguration);
     field public static final java.lang.String ACTION_PICK_WIFI_NETWORK = "android.net.wifi.PICK_WIFI_NETWORK";
     field public static final java.lang.String ACTION_REQUEST_SCAN_ALWAYS_AVAILABLE = "android.net.wifi.action.REQUEST_SCAN_ALWAYS_AVAILABLE";
+    field public static final int BUSY = 2; // 0x2
+    field public static final int ERROR = 0; // 0x0
     field public static final int ERROR_AUTHENTICATING = 1; // 0x1
     field public static final java.lang.String EXTRA_BSSID = "bssid";
     field public static final java.lang.String EXTRA_NETWORK_INFO = "networkInfo";
@@ -17103,6 +17107,8 @@ package android.net.wifi {
     field public static final java.lang.String EXTRA_SUPPLICANT_ERROR = "supplicantError";
     field public static final java.lang.String EXTRA_WIFI_INFO = "wifiInfo";
     field public static final java.lang.String EXTRA_WIFI_STATE = "wifi_state";
+    field public static final int INVALID_ARGS = 8; // 0x8
+    field public static final int IN_PROGRESS = 1; // 0x1
     field public static final java.lang.String NETWORK_IDS_CHANGED_ACTION = "android.net.wifi.NETWORK_IDS_CHANGED";
     field public static final java.lang.String NETWORK_STATE_CHANGED_ACTION = "android.net.wifi.STATE_CHANGE";
     field public static final java.lang.String RSSI_CHANGED_ACTION = "android.net.wifi.RSSI_CHANGED";
@@ -17118,6 +17124,16 @@ package android.net.wifi {
     field public static final int WIFI_STATE_ENABLED = 3; // 0x3
     field public static final int WIFI_STATE_ENABLING = 2; // 0x2
     field public static final int WIFI_STATE_UNKNOWN = 4; // 0x4
+    field public static final int WPS_AUTH_FAILURE = 6; // 0x6
+    field public static final int WPS_OVERLAP_ERROR = 3; // 0x3
+    field public static final int WPS_TIMED_OUT = 7; // 0x7
+    field public static final int WPS_TKIP_ONLY_PROHIBITED = 5; // 0x5
+    field public static final int WPS_WEP_PROHIBITED = 4; // 0x4
+  }
+
+  public static abstract interface WifiManager.ActionListener {
+    method public abstract void onFailure(int);
+    method public abstract void onSuccess();
   }
 
   public class WifiManager.MulticastLock {
@@ -17135,6 +17151,12 @@ package android.net.wifi {
     method public void setWorkSource(android.os.WorkSource);
   }
 
+  public static abstract interface WifiManager.WpsListener {
+    method public abstract void onCompletion();
+    method public abstract void onFailure(int);
+    method public abstract void onStartSuccess(java.lang.String);
+  }
+
   public class WifiScanner {
     method public void configureWifiChange(int, int, int, int, int, android.net.wifi.WifiScanner.HotspotInfo[]);
     method public void resetHotlist(android.net.wifi.WifiScanner.HotlistListener);
@@ -17220,6 +17242,7 @@ package android.net.wifi {
     ctor public WpsInfo(android.net.wifi.WpsInfo);
     method public int describeContents();
     method public void writeToParcel(android.os.Parcel, int);
+    field public java.lang.String BSSID;
     field public static final android.os.Parcelable.Creator CREATOR;
     field public static final int DISPLAY = 1; // 0x1
     field public static final int INVALID = 4; // 0x4

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

@@ -1413,14 +1413,12 @@ public class WifiManager {
     /**
      * Passed with {@link ActionListener#onFailure}.
      * Indicates that the operation failed due to an internal error.
-     * @hide
      */
     public static final int ERROR                       = 0;
 
     /**
      * Passed with {@link ActionListener#onFailure}.
      * Indicates that the operation is already in progress
-     * @hide
      */
     public static final int IN_PROGRESS                 = 1;
 
@@ -1428,30 +1426,28 @@ public class WifiManager {
      * Passed with {@link ActionListener#onFailure}.
      * Indicates that the operation failed because the framework is busy and
      * unable to service the request
-     * @hide
      */
     public static final int BUSY                        = 2;
 
     /* WPS specific errors */
-    /** WPS overlap detected {@hide} */
+    /** WPS overlap detected */
     public static final int WPS_OVERLAP_ERROR           = 3;
-    /** WEP on WPS is prohibited {@hide} */
+    /** WEP on WPS is prohibited */
     public static final int WPS_WEP_PROHIBITED          = 4;
-    /** TKIP only prohibited {@hide} */
+    /** TKIP only prohibited */
     public static final int WPS_TKIP_ONLY_PROHIBITED    = 5;
-    /** Authentication failure on WPS {@hide} */
+    /** Authentication failure on WPS */
     public static final int WPS_AUTH_FAILURE            = 6;
-    /** WPS timed out {@hide} */
+    /** WPS timed out */
     public static final int WPS_TIMED_OUT               = 7;
 
     /**
      * Passed with {@link ActionListener#onFailure}.
      * Indicates that the operation failed due to invalid inputs
-     * @hide
      */
     public static final int INVALID_ARGS                = 8;
 
-    /** Interface for callback invocation on an application action {@hide} */
+    /** Interface for callback invocation on an application action */
     public interface ActionListener {
         /** The operation succeeded */
         public void onSuccess();
@@ -1463,7 +1459,7 @@ public class WifiManager {
         public void onFailure(int reason);
     }
 
-    /** Interface for callback invocation on a start WPS action {@hide} */
+    /** Interface for callback invocation on a start WPS action */
     public interface WpsListener {
         /** WPS start succeeded */
         public void onStartSuccess(String pin);
@@ -1745,7 +1741,6 @@ public class WifiManager {
      * @param listener for callbacks on success or failure. Can be null.
      * @throws IllegalStateException if the WifiManager instance needs to be
      * initialized again
-     * @hide
      */
     public void startWps(WpsInfo config, WpsListener listener) {
         if (config == null) throw new IllegalArgumentException("config cannot be null");
@@ -1759,7 +1754,6 @@ public class WifiManager {
      * @param listener for callbacks on success or failure. Can be null.
      * @throws IllegalStateException if the WifiManager instance needs to be
      * initialized again
-     * @hide
      */
     public void cancelWps(ActionListener listener) {
         validateChannel();

wifi/java/android/net/wifi/WpsInfo.java

@@ -40,7 +40,7 @@ public class WpsInfo implements Parcelable {
     /** Wi-Fi Protected Setup. www.wi-fi.org/wifi-protected-setup has details */
     public int setup;
 
-    /** @hide */
+    /** Passed with pin method KEYPAD */
     public String BSSID;
 
     /** Passed with pin method configuration */