Settings: Implement FOD icon animation [2/2]

res/values/wave_strings.xml

@@ -266,4 +266,7 @@
     <string name="dark_mode_auto_suntime">Automatically enable from sunset to sunrise</string>
     <string name="dark_mode_auto_custom">Custom time range</string>
 
+    <!-- FOD icon animation -->
+    <string name="fod_icon_animation_summary">Animate the FOD icon when turning on the screen</string>
+    <string name="fod_icon_animation">Animated FOD icon</string>
 </resources>

res/xml/screen_lock_settings.xml

@@ -40,4 +40,11 @@
         android:key="power_button_instantly_locks"
         android:title="@string/lockpattern_settings_enable_power_button_instantly_locks" />
 
+    <me.waveproject.framework.preference.SystemSettingSwitchPreference
+        android:key="fod_icon_animation"
+        android:title="@string/fod_icon_animation"
+        android:summary="@string/fod_icon_animation_summary"
+        android:defaultValue="false"
+        settings:controller="com.android.settings.security.FodPreferenceController" />
+
 </PreferenceScreen>

src/com/android/settings/security/screenlock/FodPreferenceController.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.security.screenlock;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.hardware.fingerprint.FingerprintManager;
+
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settings.core.BasePreferenceController;
+
+public class FodPreferenceController extends BasePreferenceController {
+
+    private static final String FOD = "vendor.lineage.biometrics.fingerprint.inscreen";
+    private static final String FOD_ANIMATION = "fod_icon_animation";
+    private Context mContext;
+
+    private FingerprintManager fpm;
+    private PackageManager packageManager;
+
+    private boolean mHasFod;
+
+    public FodPreferenceController(Context context) {
+        super(context, FOD_ANIMATION);
+        mContext = context;
+
+        fpm = Utils.getFingerprintManagerOrNull(context);
+        packageManager = context.getPackageManager();
+        mHasFod = packageManager.hasSystemFeature(FOD);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if (fpm != null && fpm.isHardwareDetected() && fpm.hasEnrolledFingerprints()
+            && packageManager.hasSystemFeature(FOD)) {
+            return AVAILABLE;
+        }
+        return UNSUPPORTED_ON_DEVICE;
+    }
+}

src/com/android/settings/security/screenlock/ScreenLockSettings.java

@@ -69,6 +69,7 @@ public void onOwnerInfoUpdated() {
     private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
             DashboardFragment parent, LockPatternUtils lockPatternUtils) {
         final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new FodPreferenceController(context));
         controllers.add(new PatternVisiblePreferenceController(
                 context, MY_USER_ID, lockPatternUtils));
         controllers.add(new PowerButtonInstantLockPreferenceController(