Merge "Start activity from Device Lock APEX if device is provisioned by Device Lock" into udc-dev

src/com/android/settings/devicelock/DeviceLockPreferenceController.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2023 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.devicelock;
+
+import android.content.Context;
+import android.devicelock.DeviceLockManager;
+import android.util.Log;
+
+import androidx.preference.Preference;
+
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * The PreferenceController that manages the Device Lock entry preference.
+ */
+public final class DeviceLockPreferenceController extends BasePreferenceController {
+
+    private static final String TAG = "DeviceLockPreferenceController";
+
+    private final DeviceLockManager mDeviceLockManager;
+
+    public DeviceLockPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mDeviceLockManager = mContext.getSystemService(DeviceLockManager.class);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        // TODO(b/282856378): make this entry searchable
+        return AVAILABLE_UNSEARCHABLE;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        mDeviceLockManager.getKioskApps(mContext.getMainExecutor(),
+                result -> {
+                    // if kiosk apps present on the device, the device is provisioned by Device Lock
+                    boolean isDeviceProvisionedByDeviceLock = result != null && !result.isEmpty();
+                    Log.d(TAG, "Set preference visibility to " + isDeviceProvisionedByDeviceLock);
+                    // TODO(b/282179089): find alternatives instead of calling setVisible
+                    preference.setVisible(isDeviceProvisionedByDeviceLock);
+                });
+    }
+}