Merge "Start using CarrierConfig for 4G/LTE icon"
diff --git a/Android.mk b/Android.mk
index 0466a1f..b54b376 100644
--- a/Android.mk
+++ b/Android.mk
@@ -34,7 +34,6 @@
     androidx.legacy_legacy-preference-v14 \
 
 LOCAL_JAVA_LIBRARIES := \
-    bouncycastle \
     telephony-common \
     ims-common
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 4058cee..179ea3c 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2718,6 +2718,10 @@
     <string name="sim_change_succeeded">SIM PIN changed successfully</string>
     <!-- SIM card lock settings screen, toast after not entering correct SIM PIN [CHAR LIMIT=40] -->
     <string name="sim_lock_failed">Can\u2019t change SIM card lock state.\nPossibly incorrect PIN.</string>
+    <!-- SIM card lock settings screen, toast after disabling PIN failed from modem -->
+    <string name="sim_pin_disable_failed">Can\'t disable PIN.</string>
+    <!-- SIM card lock settings screen, toast after enabling PIN failed from modem -->
+    <string name="sim_pin_enable_failed">Can\'t enable PIN.</string>
     <!-- SIM card lock settings screen, SIM PIN dialog button labels: [CHAR LIMIT=40] -->
     <string name="sim_enter_ok">OK</string>
     <!-- SIM card lock settings screen, SIM PIN dialog button labels: [CHAR LIMIT=40] -->
diff --git a/src/com/android/settings/IccLockSettings.java b/src/com/android/settings/IccLockSettings.java
index 437f42e..2cb4904 100644
--- a/src/com/android/settings/IccLockSettings.java
+++ b/src/com/android/settings/IccLockSettings.java
@@ -46,6 +46,7 @@
 import androidx.preference.SwitchPreference;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.internal.telephony.CommandException;
 import com.android.internal.telephony.Phone;
 import com.android.internal.telephony.PhoneFactory;
 import com.android.internal.telephony.TelephonyIntents;
@@ -123,7 +124,7 @@
             AsyncResult ar = (AsyncResult) msg.obj;
             switch (msg.what) {
                 case MSG_ENABLE_ICC_PIN_COMPLETE:
-                    iccLockChanged(ar.exception == null, msg.arg1);
+                    iccLockChanged(ar.exception == null, msg.arg1, ar.exception);
                     break;
                 case MSG_CHANGE_ICC_PIN_COMPLETE:
                     iccPinChanged(ar.exception == null, msg.arg1);
@@ -453,12 +454,25 @@
         mPinToggle.setEnabled(false);
     }
 
-    private void iccLockChanged(boolean success, int attemptsRemaining) {
+    private void iccLockChanged(boolean success, int attemptsRemaining, Throwable exception) {
         if (success) {
             mPinToggle.setChecked(mToState);
         } else {
-            Toast.makeText(getContext(), getPinPasswordErrorMessage(attemptsRemaining),
-                    Toast.LENGTH_LONG).show();
+            if (exception instanceof CommandException) {
+                CommandException.Error err = ((CommandException)(exception)).getCommandError();
+                if (err == CommandException.Error.PASSWORD_INCORRECT) {
+                    Toast.makeText(getContext(), getPinPasswordErrorMessage(attemptsRemaining),
+                            Toast.LENGTH_LONG).show();
+                } else {
+                    if (mToState) {
+                        Toast.makeText(getContext(), mRes.getString
+                               (R.string.sim_pin_enable_failed), Toast.LENGTH_LONG).show();
+                    } else {
+                        Toast.makeText(getContext(), mRes.getString
+                               (R.string.sim_pin_disable_failed), Toast.LENGTH_LONG).show();
+                    }
+                }
+            }
         }
         mPinToggle.setEnabled(true);
         resetDialogState();
diff --git a/src/com/android/settings/RadioInfo.java b/src/com/android/settings/RadioInfo.java
index ee20c58..5101fe8 100644
--- a/src/com/android/settings/RadioInfo.java
+++ b/src/com/android/settings/RadioInfo.java
@@ -36,6 +36,7 @@
 import android.net.TrafficStats;
 import android.net.Uri;
 import android.os.AsyncResult;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
@@ -1358,25 +1359,26 @@
         imsVolteProvisionedSwitch.setOnCheckedChangeListener(null);
         imsVolteProvisionedSwitch.setChecked(isImsVolteProvisioned());
         imsVolteProvisionedSwitch.setOnCheckedChangeListener(mImsVolteCheckedChangeListener);
-        imsVolteProvisionedSwitch.setEnabled(
-                mImsManager.isVolteEnabledByPlatform(phone.getContext()));
+        imsVolteProvisionedSwitch.setEnabled(!Build.IS_USER
+                && mImsManager.isVolteEnabledByPlatform(phone.getContext()));
 
         imsVtProvisionedSwitch.setOnCheckedChangeListener(null);
         imsVtProvisionedSwitch.setChecked(isImsVtProvisioned());
         imsVtProvisionedSwitch.setOnCheckedChangeListener(mImsVtCheckedChangeListener);
-        imsVtProvisionedSwitch.setEnabled(
-            mImsManager.isVtEnabledByPlatform(phone.getContext()));
+        imsVtProvisionedSwitch.setEnabled(!Build.IS_USER
+                && mImsManager.isVtEnabledByPlatform(phone.getContext()));
 
         imsWfcProvisionedSwitch.setOnCheckedChangeListener(null);
         imsWfcProvisionedSwitch.setChecked(isImsWfcProvisioned());
         imsWfcProvisionedSwitch.setOnCheckedChangeListener(mImsWfcCheckedChangeListener);
-        imsWfcProvisionedSwitch.setEnabled(
-            mImsManager.isWfcEnabledByPlatform(phone.getContext()));
+        imsWfcProvisionedSwitch.setEnabled(!Build.IS_USER
+                && mImsManager.isWfcEnabledByPlatform(phone.getContext()));
 
         eabProvisionedSwitch.setOnCheckedChangeListener(null);
         eabProvisionedSwitch.setChecked(isEabProvisioned());
         eabProvisionedSwitch.setOnCheckedChangeListener(mEabCheckedChangeListener);
-        eabProvisionedSwitch.setEnabled(isEabEnabledByPlatform(phone.getContext()));
+        eabProvisionedSwitch.setEnabled(!Build.IS_USER
+                && isEabEnabledByPlatform(phone.getContext()));
     }
 
     OnClickListener mDnsCheckButtonHandler = new OnClickListener() {
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
index f9ecd8e..c445edf 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
@@ -18,6 +18,7 @@
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
+import android.util.Log;
 import android.util.Pair;
 
 import androidx.preference.PreferenceFragment;
@@ -36,6 +37,7 @@
  */
 public class BluetoothDetailsHeaderController extends BluetoothDetailsController {
     private static final String KEY_DEVICE_HEADER = "bluetooth_device_header";
+    private static final String TAG = "BluetoothDetailsHeaderController";
 
     private EntityHeaderController mHeaderController;
     private LocalBluetoothManager mLocalManager;
@@ -63,12 +65,16 @@
                 .getBtClassDrawableWithDescription(mContext, mCachedDevice,
                 mContext.getResources().getFraction(R.fraction.bt_battery_scale_fraction, 1, 1));
         String summaryText = mCachedDevice.getConnectionSummary();
-        // If both the hearing aids are connected, two battery status should be shown.
-        final String pairDeviceSummary = mDeviceManager
-            .getHearingAidPairDeviceSummary(mCachedDevice);
-        if (pairDeviceSummary != null) {
+
+        if (mCachedDevice.isHearingAidDevice()) {
+            // For Hearing Aid device, display the other battery status.
+            final String pairDeviceSummary = mDeviceManager
+                .getHearingAidPairDeviceSummary(mCachedDevice);
+            Log.d(TAG, "setHeaderProperties: HearingAid: summaryText=" + summaryText
+                  + ", pairDeviceSummary=" + pairDeviceSummary);
             mHeaderController.setSecondSummary(pairDeviceSummary);
         }
+
         mHeaderController.setLabel(mCachedDevice.getName());
         mHeaderController.setIcon(pair.first);
         mHeaderController.setIconContentDescription(pair.second);
diff --git a/src/com/android/settings/core/FeatureFlags.java b/src/com/android/settings/core/FeatureFlags.java
index e77c27b..db941a6 100644
--- a/src/com/android/settings/core/FeatureFlags.java
+++ b/src/com/android/settings/core/FeatureFlags.java
@@ -26,4 +26,5 @@
     public static final String BLUETOOTH_WHILE_DRIVING = "settings_bluetooth_while_driving";
     public static final String DATA_USAGE_SETTINGS_V2 = "settings_data_usage_v2";
     public static final String AUDIO_SWITCHER_SETTINGS = "settings_audio_switcher";
+    public static final String HEARING_AID_SETTINGS = "settings_bluetooth_hearing_aid";
 }
diff --git a/src/com/android/settings/development/featureflags/FeatureFlagPersistent.java b/src/com/android/settings/development/featureflags/FeatureFlagPersistent.java
new file mode 100644
index 0000000..731dc6f
--- /dev/null
+++ b/src/com/android/settings/development/featureflags/FeatureFlagPersistent.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2018 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.featureflags;
+
+import android.content.Context;
+import android.os.SystemProperties;
+import android.text.TextUtils;
+import android.util.FeatureFlagUtils;
+import android.util.Log;
+
+import com.android.settings.core.FeatureFlags;
+
+import java.util.HashSet;
+
+import androidx.annotation.VisibleForTesting;
+
+/**
+ * Helper class to get feature persistent flag information.
+ */
+public class FeatureFlagPersistent {
+    private static final HashSet<String> PERSISTENT_FLAGS;
+    static {
+        PERSISTENT_FLAGS = new HashSet<>();
+        PERSISTENT_FLAGS.add(FeatureFlags.HEARING_AID_SETTINGS);
+    }
+
+    public static boolean isEnabled(Context context, String feature) {
+        String value = SystemProperties.get(FeatureFlagUtils.PERSIST_PREFIX + feature);
+        if (!TextUtils.isEmpty(value)) {
+            return Boolean.parseBoolean(value);
+        } else {
+            return FeatureFlagUtils.isEnabled(context, feature);
+        }
+    }
+
+    public static void setEnabled(Context context, String feature, boolean enabled) {
+        SystemProperties.set(FeatureFlagUtils.PERSIST_PREFIX + feature, enabled ? "true" : "false");
+        FeatureFlagUtils.setEnabled(context, feature, enabled);
+    }
+
+    public static boolean isPersistent(String feature) {
+        return PERSISTENT_FLAGS.contains(feature);
+    }
+
+    /**
+     * Returns all persistent flags in their raw form.
+     */
+    @VisibleForTesting(otherwise = VisibleForTesting.NONE)
+    static HashSet<String> getAllPersistentFlags() {
+        return PERSISTENT_FLAGS;
+    }
+}
+
diff --git a/src/com/android/settings/development/featureflags/FeatureFlagPreference.java b/src/com/android/settings/development/featureflags/FeatureFlagPreference.java
index a837709..ebf35de 100644
--- a/src/com/android/settings/development/featureflags/FeatureFlagPreference.java
+++ b/src/com/android/settings/development/featureflags/FeatureFlagPreference.java
@@ -18,25 +18,38 @@
 
 import android.content.Context;
 import android.util.FeatureFlagUtils;
+import android.util.Log;
 
 import androidx.preference.SwitchPreference;
 
 public class FeatureFlagPreference extends SwitchPreference {
 
     private final String mKey;
+    private final boolean mIsPersistent;
 
     public FeatureFlagPreference(Context context, String key) {
         super(context);
         mKey = key;
         setKey(key);
         setTitle(key);
-        setCheckedInternal(FeatureFlagUtils.isEnabled(context, mKey));
+        mIsPersistent = FeatureFlagPersistent.isPersistent(key);
+        boolean isFeatureEnabled;
+        if (mIsPersistent) {
+            isFeatureEnabled = FeatureFlagPersistent.isEnabled(context, key);
+        } else {
+            isFeatureEnabled = FeatureFlagUtils.isEnabled(context, key);
+        }
+        setCheckedInternal(isFeatureEnabled);
     }
 
     @Override
     public void setChecked(boolean isChecked) {
         setCheckedInternal(isChecked);
-        FeatureFlagUtils.setEnabled(getContext(), mKey, isChecked);
+        if (mIsPersistent) {
+            FeatureFlagPersistent.setEnabled(getContext(), mKey, isChecked);
+        } else {
+            FeatureFlagUtils.setEnabled(getContext(), mKey, isChecked);
+        }
     }
 
     private void setCheckedInternal(boolean isChecked) {
diff --git a/src/com/android/settings/deviceinfo/StorageWizardMigrateConfirm.java b/src/com/android/settings/deviceinfo/StorageWizardMigrateConfirm.java
index b17defd..48ec0e3 100644
--- a/src/com/android/settings/deviceinfo/StorageWizardMigrateConfirm.java
+++ b/src/com/android/settings/deviceinfo/StorageWizardMigrateConfirm.java
@@ -85,9 +85,13 @@
         FeatureFactory.getFactory(this).getMetricsFeatureProvider().action(this,
                 MetricsEvent.ACTION_STORAGE_MIGRATE_LATER);
 
-        final Intent intent = new Intent(this, StorageWizardReady.class);
-        intent.putExtra(EXTRA_MIGRATE_SKIP, true);
-        startActivity(intent);
+        if (mDisk != null) {
+            final Intent intent = new Intent(this, StorageWizardReady.class);
+            intent.putExtra(EXTRA_MIGRATE_SKIP, true);
+            startActivity(intent);
+        } else {
+            finishAffinity();
+        }
     }
 
     @Override
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java
index 4d295e5..7833eff 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java
@@ -20,6 +20,7 @@
 
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.inOrder;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -96,7 +97,7 @@
         verify(mHeaderController).setIcon(any(Drawable.class));
         verify(mHeaderController).setIconContentDescription(any(String.class));
         verify(mHeaderController).setSummary(any(String.class));
-        verify(mHeaderController).setSecondSummary(any(String.class));
+        verify(mHeaderController, never()).setSecondSummary(any(String.class));
         verify(mHeaderController).done(mActivity, true);
     }
 
@@ -119,4 +120,12 @@
         inOrder.verify(mHeaderController)
             .setSummary(mContext.getString(R.string.bluetooth_connecting));
     }
+
+    @Test
+    public void testSecondSummary_isHearingAidDevice_showSecondSummary() {
+        when(mCachedDevice.isHearingAidDevice()).thenReturn(true);
+        showScreen(mController);
+
+        verify(mHeaderController).setSecondSummary(any(String.class));
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/development/featureflags/FeatureFlagPersistentTest.java b/tests/robotests/src/com/android/settings/development/featureflags/FeatureFlagPersistentTest.java
new file mode 100644
index 0000000..c9f452d
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/development/featureflags/FeatureFlagPersistentTest.java
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2018 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.featureflags;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.android.settings.development.featureflags.FeatureFlagPersistent;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import android.content.Context;
+import android.os.SystemProperties;
+import android.provider.Settings;
+import android.util.FeatureFlagUtils;
+import android.util.Log;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class FeatureFlagPersistentTest {
+
+    private static final String TEST_FEATURE_NAME = "test_feature";
+
+    private static final String PERSISTENT_FALSE_NAME = "false_persistent";
+    private static final String PERSISTENT_TRUE_NAME = "true_persistent";
+    private static final String VOLATILE_FALSE_NAME = "volatile_false_volatile";
+    private static final String VOLATILE_TRUE_NAME = "volatile_true_volatile";
+
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+
+        FeatureFlagPersistent.getAllPersistentFlags().add(TEST_FEATURE_NAME);
+        FeatureFlagUtils.getAllFeatureFlags().put(TEST_FEATURE_NAME, "false");
+
+        FeatureFlagUtils.getAllFeatureFlags().put(VOLATILE_FALSE_NAME, "false");
+        FeatureFlagUtils.getAllFeatureFlags().put(VOLATILE_TRUE_NAME, "true");
+
+        FeatureFlagPersistent.getAllPersistentFlags().add(PERSISTENT_FALSE_NAME);
+        FeatureFlagUtils.getAllFeatureFlags().put(PERSISTENT_FALSE_NAME, "false");
+
+        FeatureFlagPersistent.getAllPersistentFlags().add(PERSISTENT_TRUE_NAME);
+        FeatureFlagUtils.getAllFeatureFlags().put(PERSISTENT_TRUE_NAME, "true");
+    }
+
+    @After
+    public void tearDown() {
+        cleanup(PERSISTENT_FALSE_NAME);
+        cleanup(PERSISTENT_TRUE_NAME);
+        cleanup(VOLATILE_FALSE_NAME);
+        cleanup(VOLATILE_TRUE_NAME);
+        cleanup(TEST_FEATURE_NAME);
+    }
+
+    private void cleanup(String flagName) {
+        Settings.Global.putString(mContext.getContentResolver(), flagName, "");
+        SystemProperties.set(FeatureFlagUtils.FFLAG_PREFIX + flagName, "");
+        SystemProperties.set(FeatureFlagUtils.FFLAG_OVERRIDE_PREFIX + flagName, "");
+        SystemProperties.set(FeatureFlagUtils.PERSIST_PREFIX + flagName, "");
+    }
+
+    /**
+     * Test to verify a non-persistent flag is indeed not persistent.
+     */
+    @Test
+    public void isPersistent_notPersistent_shouldReturnFalse() {
+        assertThat(FeatureFlagPersistent.isPersistent(VOLATILE_FALSE_NAME)).isFalse();
+    }
+
+    /**
+     * Test to verify a persistent flag is indeed persistent.
+     */
+    @Test
+    public void isPersistent_persistent_shouldReturnTrue() {
+        assertThat(FeatureFlagPersistent.isPersistent(PERSISTENT_TRUE_NAME)).isTrue();
+    }
+
+    /**
+     * Test to verify a persistent flag that is enabled should return true.
+     */
+    @Test
+    public void isEnabled_enabled_shouldReturnTrue() {
+        assertThat(FeatureFlagPersistent.isEnabled(mContext, PERSISTENT_TRUE_NAME)).isTrue();
+    }
+
+    /**
+     * Test to verify a persistent flag that is disabled should return false.
+     */
+    @Test
+    public void isEnabled_disabled_shouldReturnFalse() {
+        assertThat(FeatureFlagPersistent.isEnabled(mContext, PERSISTENT_FALSE_NAME)).isFalse();
+    }
+
+    /**
+     * Test to verify a persistent flag that has an enabled in system property should return true.
+     */
+    @Test
+    public void isEnabled_sysPropEnabled_shouldReturnTrue() {
+        SystemProperties.set(FeatureFlagUtils.PERSIST_PREFIX + TEST_FEATURE_NAME, "true");
+        FeatureFlagUtils.setEnabled(mContext, TEST_FEATURE_NAME, false);
+
+        assertThat(FeatureFlagPersistent.isEnabled(mContext, TEST_FEATURE_NAME)).isTrue();
+    }
+
+    /**
+     * Test to verify a persistent flag that is disabled in system property should return false.
+     */
+    @Test
+    public void isEnabled_sysPropDisabled_shouldReturnFalse() {
+        SystemProperties.set(FeatureFlagUtils.PERSIST_PREFIX + TEST_FEATURE_NAME, "false");
+        FeatureFlagUtils.setEnabled(mContext, TEST_FEATURE_NAME, true);
+
+        assertThat(FeatureFlagPersistent.isEnabled(mContext, TEST_FEATURE_NAME)).isFalse();
+    }
+
+    /**
+     * Test to verify setting persistent flag to enable works.
+     */
+    @Test
+    public void setEnabled_sysPropTrue_shouldSetValues() {
+        SystemProperties.set(FeatureFlagUtils.PERSIST_PREFIX + TEST_FEATURE_NAME, "");
+
+        FeatureFlagPersistent.setEnabled(mContext, TEST_FEATURE_NAME, true);
+
+        assertThat(SystemProperties.get(FeatureFlagUtils.PERSIST_PREFIX + TEST_FEATURE_NAME)).isEqualTo("true");
+        assertThat(FeatureFlagUtils.isEnabled(mContext, TEST_FEATURE_NAME)).isTrue();
+    }
+
+    /**
+     * Test to verify setting persistent flag to disable works.
+     */
+    @Test
+    public void setEnabled_sysPropFalse_shouldSetValues() {
+        SystemProperties.set(FeatureFlagUtils.PERSIST_PREFIX + TEST_FEATURE_NAME, "");
+
+        FeatureFlagPersistent.setEnabled(mContext, TEST_FEATURE_NAME, false);
+
+        assertThat(SystemProperties.get(FeatureFlagUtils.PERSIST_PREFIX + TEST_FEATURE_NAME)).isEqualTo("false");
+        assertThat(FeatureFlagUtils.isEnabled(mContext, TEST_FEATURE_NAME)).isFalse();
+    }
+}
+