Add switch bar to enable/disable dev settings in new page.

Bug: 65522852
Test: make RunSettingsRoboTests -j40 ROBOTEST_FILTER=Development
Change-Id: I0958950dc6aaee24d8d5e0be58d7564d108bc72e

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

@@ -17,12 +17,16 @@
 package com.android.settings.development;
 
 import android.content.Context;
+import android.os.Bundle;
 import android.os.UserManager;
 import android.provider.SearchIndexableResource;
 import android.util.Log;
+import android.widget.Switch;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
+import com.android.settings.SettingsActivity;
+import com.android.settings.Utils;
 import com.android.settings.dashboard.RestrictedDashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
@@ -33,21 +37,67 @@ import com.android.settingslib.development.DevelopmentSettingsEnabler;
 import java.util.Arrays;
 import java.util.List;
 
-public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFragment {
+public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFragment
+        implements SwitchBar.OnSwitchChangeListener {
 
     private static final String TAG = "DevSettingsDashboard";
 
+    private boolean mIsAvailable = true;
     private SwitchBar mSwitchBar;
+    private DevelopmentSwitchBarController mSwitchBarController;
 
     public DevelopmentSettingsDashboardFragment() {
         super(UserManager.DISALLOW_DEBUGGING_FEATURES);
     }
 
+    @Override
+    public void onActivityCreated(Bundle icicle) {
+        super.onActivityCreated(icicle);
+        // Apply page-level restrictions
+        setIfOnlyAvailableForAdmins(true);
+        if (isUiRestricted() || !Utils.isDeviceProvisioned(getActivity())) {
+            // Block access to developer options if the user is not the owner, if user policy
+            // restricts it, or if the device has not been provisioned
+            mIsAvailable = false;
+            // Show error message
+            if (!isUiRestrictedByOnlyAdmin()) {
+                getEmptyTextView().setText(R.string.development_settings_not_available);
+            }
+            getPreferenceScreen().removeAll();
+            return;
+        }
+        // Set up master switch
+        mSwitchBar = ((SettingsActivity) getActivity()).getSwitchBar();
+        mSwitchBarController = new DevelopmentSwitchBarController(
+                this /* DevelopmentSettings */, mSwitchBar, mIsAvailable, getLifecycle());
+        mSwitchBar.show();
+    }
+
     @Override
     public int getMetricsCategory() {
         return MetricsProto.MetricsEvent.DEVELOPMENT;
     }
 
+    @Override
+    public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        if (switchView != mSwitchBar.getSwitch()) {
+            return;
+        }
+        final boolean developmentEnabledState =
+                DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(getContext());
+        if (isChecked != developmentEnabledState) {
+            if (isChecked) {
+                EnableDevelopmentSettingWarningDialog.show(this /* host */);
+            } else {
+                // TODO: Reset dangerous options (move logic from DevelopmentSettings).
+                // resetDangerousOptions();
+                DevelopmentSettingsEnabler.setDevelopmentSettingsEnabled(getContext(), false);
+                // TODO: Refresh all prefs' enabled state (move logic from DevelopmentSettings).
+                // setPrefsEnabledState(false);
+            }
+        }
+    }
+
     @Override
     protected String getLogTag() {
         return TAG;
@@ -69,6 +119,16 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         return buildPreferenceControllers(context);
     }
 
+    void onEnableDevelopmentOptionsConfirmed() {
+        DevelopmentSettingsEnabler.setDevelopmentSettingsEnabled(getContext(), true);
+        // TODO: Refresh all prefs' enabled state (move logic from DevelopmentSettings).
+    }
+
+    void onEnableDevelopmentOptionsRejected() {
+        // Reset the toggle
+        mSwitchBar.setChecked(false);
+    }
+
     private static List<AbstractPreferenceController> buildPreferenceControllers(Context context) {
         return null;
     }

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

@@ -22,18 +22,39 @@ import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnStart;
 import com.android.settingslib.core.lifecycle.events.OnStop;
+import com.android.settingslib.development.DevelopmentSettingsEnabler;
 
 public class DevelopmentSwitchBarController implements LifecycleObserver, OnStart, OnStop {
 
     private final SwitchBar mSwitchBar;
     private final boolean mIsAvailable;
     private final DevelopmentSettings mSettings;
+    private final DevelopmentSettingsDashboardFragment mNewSettings;
 
+    /**
+     * @deprecated in favor of the other constructor.
+     */
+    @Deprecated
     public DevelopmentSwitchBarController(DevelopmentSettings settings, SwitchBar switchBar,
             boolean isAvailable, Lifecycle lifecycle) {
         mSwitchBar = switchBar;
         mIsAvailable = isAvailable && !Utils.isMonkeyRunning();
         mSettings = settings;
+        mNewSettings = null;
+
+        if (mIsAvailable) {
+            lifecycle.addObserver(this);
+        } else {
+            mSwitchBar.setEnabled(false);
+        }
+    }
+
+    public DevelopmentSwitchBarController(DevelopmentSettingsDashboardFragment settings,
+            SwitchBar switchBar, boolean isAvailable, Lifecycle lifecycle) {
+        mSwitchBar = switchBar;
+        mIsAvailable = isAvailable && !Utils.isMonkeyRunning();
+        mSettings = null;
+        mNewSettings = settings;
 
         if (mIsAvailable) {
             lifecycle.addObserver(this);
@@ -44,11 +65,24 @@ public class DevelopmentSwitchBarController implements LifecycleObserver, OnStar
 
     @Override
     public void onStart() {
-        mSwitchBar.addOnSwitchChangeListener(mSettings);
+        if (mSettings != null) {
+            mSwitchBar.addOnSwitchChangeListener(mSettings);
+        }
+        if (mNewSettings != null) {
+            final boolean developmentEnabledState = DevelopmentSettingsEnabler
+                    .isDevelopmentSettingsEnabled(mNewSettings.getContext());
+            mSwitchBar.setChecked(developmentEnabledState);
+            mSwitchBar.addOnSwitchChangeListener(mNewSettings);
+        }
     }
 
     @Override
     public void onStop() {
-        mSwitchBar.removeOnSwitchChangeListener(mSettings);
+        if (mSettings != null) {
+            mSwitchBar.removeOnSwitchChangeListener(mSettings);
+        }
+        if (mNewSettings != null) {
+            mSwitchBar.removeOnSwitchChangeListener(mNewSettings);
+        }
     }
 }

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

@@ -0,0 +1,70 @@
+/*
+ * 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.development;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.FragmentManager;
+import android.content.DialogInterface;
+import android.os.Bundle;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+
+public class EnableDevelopmentSettingWarningDialog extends InstrumentedDialogFragment
+        implements DialogInterface.OnClickListener {
+
+    public static final String TAG = "EnableDevSettingDlg";
+
+    public static void show(
+            DevelopmentSettingsDashboardFragment host) {
+        final EnableDevelopmentSettingWarningDialog dialog =
+                new EnableDevelopmentSettingWarningDialog();
+        dialog.setTargetFragment(host, 0 /* requestCode */);
+        final FragmentManager manager = host.getActivity().getFragmentManager();
+        if (manager.findFragmentByTag(TAG) == null) {
+            dialog.show(manager, TAG);
+        }
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DIALOG_ENABLE_DEVELOPMENT_OPTIONS;
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        return new AlertDialog.Builder(getActivity())
+                .setMessage(R.string.dev_settings_warning_message)
+                .setTitle(R.string.dev_settings_warning_title)
+                .setPositiveButton(android.R.string.yes, this)
+                .setNegativeButton(android.R.string.no, this)
+                .create();
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        final DevelopmentSettingsDashboardFragment host =
+                (DevelopmentSettingsDashboardFragment) getTargetFragment();
+        if (which == DialogInterface.BUTTON_POSITIVE) {
+            host.onEnableDevelopmentOptionsConfirmed();
+        } else {
+            host.onEnableDevelopmentOptionsRejected();
+        }
+    }
+}