Merge "Refactor methods to access/modify BluetoothDevice alias and name"
diff --git a/api/current.txt b/api/current.txt
index f588d2e..19fd711 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -8357,6 +8357,7 @@
     method public int describeContents();
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH) public boolean fetchUuidsWithSdp();
     method public String getAddress();
+    method @Nullable @RequiresPermission(android.Manifest.permission.BLUETOOTH) public String getAlias();
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH) public android.bluetooth.BluetoothClass getBluetoothClass();
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH) public int getBondState();
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH) public String getName();
@@ -8368,6 +8369,7 @@
     field public static final String ACTION_ACL_CONNECTED = "android.bluetooth.device.action.ACL_CONNECTED";
     field public static final String ACTION_ACL_DISCONNECTED = "android.bluetooth.device.action.ACL_DISCONNECTED";
     field public static final String ACTION_ACL_DISCONNECT_REQUESTED = "android.bluetooth.device.action.ACL_DISCONNECT_REQUESTED";
+    field public static final String ACTION_ALIAS_CHANGED = "android.bluetooth.action.ALIAS_CHANGED";
     field public static final String ACTION_BOND_STATE_CHANGED = "android.bluetooth.device.action.BOND_STATE_CHANGED";
     field public static final String ACTION_CLASS_CHANGED = "android.bluetooth.device.action.CLASS_CHANGED";
     field public static final String ACTION_FOUND = "android.bluetooth.device.action.FOUND";
diff --git a/api/system-current.txt b/api/system-current.txt
index 0b6e4a28..2a8fb63 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -1264,6 +1264,7 @@
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH) public boolean isEncrypted();
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) public boolean isInSilenceMode();
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH_ADMIN) public boolean removeBond();
+    method @RequiresPermission(android.Manifest.permission.BLUETOOTH) public boolean setAlias(@NonNull String);
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) public boolean setMetadata(int, @NonNull byte[]);
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) public boolean setPhonebookAccessPermission(int);
     method @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) public boolean setSilenceMode(boolean);
diff --git a/core/java/android/bluetooth/BluetoothDevice.java b/core/java/android/bluetooth/BluetoothDevice.java
index c616044..0be3eca 100644
--- a/core/java/android/bluetooth/BluetoothDevice.java
+++ b/core/java/android/bluetooth/BluetoothDevice.java
@@ -173,13 +173,10 @@
      * changed.
      * <p>Always contains the extra field {@link #EXTRA_DEVICE}.
      * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive.
-     *
-     * @hide
      */
     @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
-    @UnsupportedAppUsage
     public static final String ACTION_ALIAS_CHANGED =
-            "android.bluetooth.device.action.ALIAS_CHANGED";
+            "android.bluetooth.action.ALIAS_CHANGED";
 
     /**
      * Broadcast Action: Indicates a change in the bond state of a remote
@@ -1048,10 +1045,11 @@
      * Get the Bluetooth alias of the remote device.
      * <p>Alias is the locally modified name of a remote device.
      *
-     * @return the Bluetooth alias, or null if no alias or there was a problem
-     * @hide
+     * @return the Bluetooth alias, the friendly device name if no alias, or
+     * null if there was a problem
      */
-    @UnsupportedAppUsage(publicAlternatives = "Use {@link #getName()} instead.")
+    @Nullable
+    @RequiresPermission(Manifest.permission.BLUETOOTH)
     public String getAlias() {
         final IBluetooth service = sService;
         if (service == null) {
@@ -1059,7 +1057,11 @@
             return null;
         }
         try {
-            return service.getRemoteAlias(this);
+            String alias = service.getRemoteAlias(this);
+            if (alias == null) {
+                return getName();
+            }
+            return alias;
         } catch (RemoteException e) {
             Log.e(TAG, "", e);
         }
@@ -1076,8 +1078,9 @@
      * @return true on success, false on error
      * @hide
      */
-    @UnsupportedAppUsage
-    public boolean setAlias(String alias) {
+    @SystemApi
+    @RequiresPermission(Manifest.permission.BLUETOOTH)
+    public boolean setAlias(@NonNull String alias) {
         final IBluetooth service = sService;
         if (service == null) {
             Log.e(TAG, "BT not enabled. Cannot set Remote Device name");
@@ -1092,24 +1095,6 @@
     }
 
     /**
-     * Get the Bluetooth alias of the remote device.
-     * If Alias is null, get the Bluetooth name instead.
-     *
-     * @return the Bluetooth alias, or null if no alias or there was a problem
-     * @hide
-     * @see #getAlias()
-     * @see #getName()
-     */
-    @UnsupportedAppUsage(publicAlternatives = "Use {@link #getName()} instead.")
-    public String getAliasName() {
-        String name = getAlias();
-        if (name == null) {
-            name = getName();
-        }
-        return name;
-    }
-
-    /**
      * Get the most recent identified battery level of this Bluetooth device
      * <p>Requires {@link android.Manifest.permission#BLUETOOTH}
      *
diff --git a/core/java/android/companion/BluetoothDeviceFilterUtils.java b/core/java/android/companion/BluetoothDeviceFilterUtils.java
index 75e726b..0f67f6b 100644
--- a/core/java/android/companion/BluetoothDeviceFilterUtils.java
+++ b/core/java/android/companion/BluetoothDeviceFilterUtils.java
@@ -129,7 +129,7 @@
 
     @UnsupportedAppUsage
     public static String getDeviceDisplayNameInternal(@NonNull BluetoothDevice device) {
-        return firstNotEmpty(device.getAliasName(), device.getAddress());
+        return firstNotEmpty(device.getAlias(), device.getAddress());
     }
 
     @UnsupportedAppUsage
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 1f20d7a..b8c6cf6 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -142,7 +142,7 @@
     <protected-broadcast android:name="android.bluetooth.adapter.action.CONNECTION_STATE_CHANGED" />
     <protected-broadcast android:name="android.bluetooth.device.action.UUID" />
     <protected-broadcast android:name="android.bluetooth.device.action.MAS_INSTANCE" />
-    <protected-broadcast android:name="android.bluetooth.device.action.ALIAS_CHANGED" />
+    <protected-broadcast android:name="android.bluetooth.action.ALIAS_CHANGED" />
     <protected-broadcast android:name="android.bluetooth.device.action.FOUND" />
     <protected-broadcast android:name="android.bluetooth.device.action.CLASS_CHANGED" />
     <protected-broadcast android:name="android.bluetooth.device.action.ACL_CONNECTED" />
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java
index 9a95288..ec5bc96 100644
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDevice.java
@@ -363,12 +363,12 @@
 
     /**
      * Get name from remote device
-     * @return {@link BluetoothDevice#getAliasName()} if
-     * {@link BluetoothDevice#getAliasName()} is not null otherwise return
+     * @return {@link BluetoothDevice#getAlias()} if
+     * {@link BluetoothDevice#getAlias()} is not null otherwise return
      * {@link BluetoothDevice#getAddress()}
      */
     public String getName() {
-        final String aliasName = mDevice.getAliasName();
+        final String aliasName = mDevice.getAlias();
         return TextUtils.isEmpty(aliasName) ? getAddress() : aliasName;
     }
 
@@ -426,7 +426,7 @@
      * @return true if device's alias name is not null nor empty, false otherwise
      */
     public boolean hasHumanReadableName() {
-        return !TextUtils.isEmpty(mDevice.getAliasName());
+        return !TextUtils.isEmpty(mDevice.getAlias());
     }
 
     /**
@@ -573,7 +573,7 @@
         }
 
         if (BluetoothUtils.D) {
-            Log.e(TAG, "updating profiles for " + mDevice.getAliasName() + ", " + mDevice);
+            Log.e(TAG, "updating profiles for " + mDevice.getAlias() + ", " + mDevice);
             BluetoothClass bluetoothClass = mDevice.getBluetoothClass();
 
             if (bluetoothClass != null) Log.v(TAG, "Class: " + bluetoothClass.toString());
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceManager.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceManager.java
index 33e7540..7050db1 100644
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceManager.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceManager.java
@@ -166,7 +166,7 @@
             return cachedDevice.getName();
         }
 
-        String name = device.getAliasName();
+        String name = device.getAlias();
         if (name != null) {
             return name;
         }
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceManagerTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceManagerTest.java
index dc47de8..c37509b 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceManagerTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceManagerTest.java
@@ -95,9 +95,9 @@
         when(mDevice1.getName()).thenReturn(DEVICE_NAME_1);
         when(mDevice2.getName()).thenReturn(DEVICE_NAME_2);
         when(mDevice3.getName()).thenReturn(DEVICE_NAME_3);
-        when(mDevice1.getAliasName()).thenReturn(DEVICE_ALIAS_1);
-        when(mDevice2.getAliasName()).thenReturn(DEVICE_ALIAS_2);
-        when(mDevice3.getAliasName()).thenReturn(DEVICE_ALIAS_3);
+        when(mDevice1.getAlias()).thenReturn(DEVICE_ALIAS_1);
+        when(mDevice2.getAlias()).thenReturn(DEVICE_ALIAS_2);
+        when(mDevice3.getAlias()).thenReturn(DEVICE_ALIAS_3);
         when(mDevice1.getBluetoothClass()).thenReturn(DEVICE_CLASS_1);
         when(mDevice2.getBluetoothClass()).thenReturn(DEVICE_CLASS_2);
         when(mDevice3.getBluetoothClass()).thenReturn(DEVICE_CLASS_2);
@@ -224,7 +224,7 @@
         assertThat(cachedDevice1.getName()).isEqualTo(DEVICE_ALIAS_1);
 
         final String newAliasName = "NewAliasName";
-        when(mDevice1.getAliasName()).thenReturn(newAliasName);
+        when(mDevice1.getAlias()).thenReturn(newAliasName);
         mCachedDeviceManager.onDeviceNameUpdated(mDevice1);
         assertThat(cachedDevice1.getName()).isEqualTo(newAliasName);
     }
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceTest.java
index 93dcbfe..999916d 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/CachedBluetoothDeviceTest.java
@@ -699,7 +699,7 @@
 
     @Test
     public void deviceName_testAliasNameAvailable() {
-        when(mDevice.getAliasName()).thenReturn(DEVICE_ALIAS);
+        when(mDevice.getAlias()).thenReturn(DEVICE_ALIAS);
         when(mDevice.getName()).thenReturn(DEVICE_NAME);
         CachedBluetoothDevice cachedBluetoothDevice =
                 new CachedBluetoothDevice(mContext, mProfileManager, mDevice);
@@ -722,7 +722,7 @@
     @Test
     public void deviceName_testRenameDevice() {
         final String[] alias = {DEVICE_ALIAS};
-        doAnswer(invocation -> alias[0]).when(mDevice).getAliasName();
+        doAnswer(invocation -> alias[0]).when(mDevice).getAlias();
         doAnswer(invocation -> {
             alias[0] = (String) invocation.getArguments()[0];
             return true;
@@ -839,14 +839,14 @@
 
     @Test
     public void getName_aliasNameNotNull_returnAliasName() {
-        when(mDevice.getAliasName()).thenReturn(DEVICE_NAME);
+        when(mDevice.getAlias()).thenReturn(DEVICE_NAME);
 
         assertThat(mCachedDevice.getName()).isEqualTo(DEVICE_NAME);
     }
 
     @Test
     public void getName_aliasNameIsNull_returnAddress() {
-        when(mDevice.getAliasName()).thenReturn(null);
+        when(mDevice.getAlias()).thenReturn(null);
 
         assertThat(mCachedDevice.getName()).isEqualTo(DEVICE_ADDRESS);
     }
@@ -854,7 +854,7 @@
     @Test
     public void setName_setDeviceNameIsNotNull() {
         final String name = "test name";
-        when(mDevice.getAliasName()).thenReturn(DEVICE_NAME);
+        when(mDevice.getAlias()).thenReturn(DEVICE_NAME);
 
         mCachedDevice.setName(name);
 
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/HearingAidDeviceManagerTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/HearingAidDeviceManagerTest.java
index 2b5466c..7be176a 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/HearingAidDeviceManagerTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/bluetooth/HearingAidDeviceManagerTest.java
@@ -75,8 +75,8 @@
         when(mDevice2.getAddress()).thenReturn(DEVICE_ADDRESS_2);
         when(mDevice1.getName()).thenReturn(DEVICE_NAME_1);
         when(mDevice2.getName()).thenReturn(DEVICE_NAME_2);
-        when(mDevice1.getAliasName()).thenReturn(DEVICE_ALIAS_1);
-        when(mDevice2.getAliasName()).thenReturn(DEVICE_ALIAS_2);
+        when(mDevice1.getAlias()).thenReturn(DEVICE_ALIAS_1);
+        when(mDevice2.getAlias()).thenReturn(DEVICE_ALIAS_2);
         when(mDevice1.getBluetoothClass()).thenReturn(DEVICE_CLASS);
         when(mDevice2.getBluetoothClass()).thenReturn(DEVICE_CLASS);
         when(mLocalBluetoothManager.getEventManager()).thenReturn(mBluetoothEventManager);