Merge "Add a developer option to controll mockmodemservice permission" am: 78b2b241a9 am: 41ec2bc89b am: 24888461da

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/2026223

Change-Id: I12e5aa6274b2db7f70a231d8b6512f40d32ff8a9

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -518,6 +518,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         controllers.add(new BugReportInPowerPreferenceController(context));
         controllers.add(new AutomaticSystemServerHeapDumpPreferenceController(context));
         controllers.add(new MockLocationAppPreferenceController(context, fragment));
+        controllers.add(new MockModemPreferenceController(context));
         controllers.add(new DebugViewAttributesPreferenceController(context));
         controllers.add(new SelectDebugAppPreferenceController(context, fragment));
         controllers.add(new WaitForDebuggerPreferenceController(context));

src/com/android/settings/development/MockModemPreferenceController.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2022 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.development;
+
+import android.content.Context;
+import android.os.SystemProperties;
+import android.util.Log;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+/**
+ * PreferenceController for MockModem
+ */
+public class MockModemPreferenceController extends
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
+
+    private static final String TAG = "MockModemPreferenceController";
+    private static final String ALLOW_MOCK_MODEM_KEY =
+            "allow_mock_modem";
+    @VisibleForTesting
+    static final String ALLOW_MOCK_MODEM_PROPERTY =
+            "persist.radio.allow_mock_modem";
+
+    public MockModemPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return ALLOW_MOCK_MODEM_KEY;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        final boolean isEnabled = (Boolean) newValue;
+        try {
+            SystemProperties.set(ALLOW_MOCK_MODEM_PROPERTY,
+                    isEnabled ? "true" : "false");
+        } catch (RuntimeException e) {
+            Log.e(TAG, "Fail to set radio system property: " + e.getMessage());
+        }
+        return true;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        try {
+            final boolean isEnabled = SystemProperties.getBoolean(
+                    ALLOW_MOCK_MODEM_PROPERTY, false /* default */);
+            ((SwitchPreference) mPreference).setChecked(isEnabled);
+        } catch (RuntimeException e) {
+            Log.e(TAG, "Fail to get radio system property: " + e.getMessage());
+        }
+    }
+
+    @Override
+    protected void onDeveloperOptionsSwitchDisabled() {
+        super.onDeveloperOptionsSwitchDisabled();
+        try {
+            SystemProperties.set(ALLOW_MOCK_MODEM_PROPERTY, "false");
+            ((SwitchPreference) mPreference).setChecked(false);
+        } catch (RuntimeException e) {
+            Log.e(TAG, "Fail to set radio system property: " + e.getMessage());
+        }
+    }
+}