PermissionController/src/com/android/permissioncontroller/permission/ui/television/AppPermissionsFragment.java - platform/packages/modules/Permission - Git at Google

 /*
 * Copyright (C) 2015 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.permissioncontroller.permission.ui.television;

 import static com.android.permissioncontroller.Constants.INVALID_SESSION_ID;
 import static com.android.permissioncontroller.hibernation.HibernationPolicyKt.isHibernationEnabled;

 import android.app.ActionBar;
 import android.app.Activity;
 import android.app.Application;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.text.BidiFormatter;
 import android.util.ArraySet;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.Toast;

 import androidx.lifecycle.ViewModelProvider;
 import androidx.preference.Preference;
 import androidx.preference.Preference.OnPreferenceClickListener;
 import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceScreen;
 import androidx.preference.PreferenceViewHolder;
 import androidx.preference.SwitchPreference;

 import com.android.permissioncontroller.R;
 import com.android.permissioncontroller.permission.model.AppPermissionGroup;
 import com.android.permissioncontroller.permission.model.AppPermissions;
 import com.android.permissioncontroller.permission.model.livedatatypes.HibernationSettingState;
 import com.android.permissioncontroller.permission.ui.ReviewPermissionsActivity;
 import com.android.permissioncontroller.permission.ui.model.AppPermissionGroupsViewModel;
 import com.android.permissioncontroller.permission.ui.model.AppPermissionGroupsViewModelFactory;
 import com.android.permissioncontroller.permission.utils.KotlinUtils;
 import com.android.permissioncontroller.permission.utils.LocationUtils;
 import com.android.permissioncontroller.permission.utils.SafetyNetLogger;
 import com.android.permissioncontroller.permission.utils.Utils;

 public final class AppPermissionsFragment extends SettingsWithHeader
         implements OnPreferenceClickListener {

     private static final String LOG_TAG = "ManagePermsFragment";

     static final String EXTRA_HIDE_INFO_BUTTON = "hideInfoButton";
     private static final String AUTO_REVOKE_SWITCH_KEY = "_AUTO_REVOKE_SWITCH_KEY";
     private static final String UNUSED_APPS_KEY = "_UNUSED_APPS_KEY";

     private static final int MENU_ALL_PERMS = 0;

     private ArraySet<AppPermissionGroup> mToggledGroups;
     private AppPermissionGroupsViewModel mViewModel;
     private AppPermissions mAppPermissions;
     private PreferenceScreen mExtraScreen;

     private boolean mHasConfirmedRevoke;

     public static AppPermissionsFragment newInstance(String packageName, UserHandle user) {
         return setPackage(new AppPermissionsFragment(), packageName, user);
     }

     private static <T extends PermissionsFrameFragment> T setPackage(
             T fragment, String packageName, UserHandle user) {
         Bundle arguments = new Bundle();
         arguments.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
         arguments.putParcelable(Intent.EXTRA_USER, user);
         fragment.setArguments(arguments);
         return fragment;
     }

     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setLoading(true /* loading */, false /* animate */);
         setHasOptionsMenu(true);
         final ActionBar ab = getActivity().getActionBar();
         if (ab != null) {
             ab.setDisplayHomeAsUpEnabled(true);
         }

         final String packageName = getArguments().getString(Intent.EXTRA_PACKAGE_NAME);
         final UserHandle user = getArguments().getParcelable(Intent.EXTRA_USER);

         Activity activity = getActivity();
         PackageInfo packageInfo = getPackageInfo(activity, packageName);
         if (packageName == null) {
             Toast.makeText(activity, R.string.app_not_found_dlg_title, Toast.LENGTH_LONG).show();
             getActivity().finish();
             return;
         }

         mAppPermissions = new AppPermissions(activity, packageInfo, true,
                 () -> getActivity().finish());

         if (mAppPermissions.isReviewRequired()) {
             Intent intent = new Intent(getActivity(), ReviewPermissionsActivity.class);
             intent.putExtra(Intent.EXTRA_PACKAGE_NAME, packageName);
             intent.putExtra(Intent.EXTRA_USER, user);
             startActivity(intent);
             getActivity().finish();
             return;
         }
     }

     @Override
     public void onResume() {
         super.onResume();
         final String packageName = getArguments().getString(Intent.EXTRA_PACKAGE_NAME);
         final UserHandle user = getArguments().getParcelable(Intent.EXTRA_USER);

         AppPermissionGroupsViewModelFactory factory =
                 new AppPermissionGroupsViewModelFactory(packageName, user, 0);
         mViewModel = new ViewModelProvider(this, factory).get(AppPermissionGroupsViewModel.class);
         mViewModel.getAutoRevokeLiveData().observe(this, this::setAutoRevokeToggleState);

         mAppPermissions.refresh();
         loadPreferences();
         setPreferencesCheckedState();
     }

     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case android.R.id.home: {
                 getActivity().finish();
                 return true;
             }

             case MENU_ALL_PERMS: {
                 PermissionsFrameFragment frag =
                         AllAppPermissionsFragment.newInstance(
                                 getArguments().getString(Intent.EXTRA_PACKAGE_NAME));
                 getFragmentManager().beginTransaction()
                         .replace(android.R.id.content, frag)
                         .addToBackStack("AllPerms")
                         .commit();
                 return true;
             }
         }
         return super.onOptionsItemSelected(item);
     }

     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
         if (mAppPermissions != null) {
             bindUi(this,
                 getArguments().getString(Intent.EXTRA_PACKAGE_NAME),
                 getArguments().getParcelable(Intent.EXTRA_USER),
                 R.string.app_permissions_decor_title);
         }
     }

     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         super.onCreateOptionsMenu(menu, inflater);
         menu.add(Menu.NONE, MENU_ALL_PERMS, Menu.NONE, R.string.all_permissions);
     }

     static void bindUi(SettingsWithHeader fragment, String packageName,
             UserHandle user, int decorTitleStringResId) {
         final Activity activity = fragment.getActivity();
         final Application application = activity.getApplication();

         CharSequence label = BidiFormatter.getInstance().unicodeWrap(
                 KotlinUtils.INSTANCE.getPackageLabel(application, packageName, user));
         Drawable icon= KotlinUtils.INSTANCE.getBadgedPackageIcon(application, packageName, user);

         Intent infoIntent = null;
         if (!activity.getIntent().getBooleanExtra(EXTRA_HIDE_INFO_BUTTON, false)) {
             infoIntent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
                     .setData(Uri.fromParts("package", packageName, null));
         }

         fragment.setHeader(icon, label, infoIntent, fragment.getString(
                 R.string.additional_permissions_decor_title));
     }

     private void loadPreferences() {
         Context context = getPreferenceManager().getContext();
         if (context == null) {
             return;
         }

         PreferenceScreen screen = getPreferenceScreen();
         screen.removeAll();
         screen.addPreference(createHeaderLineTwoPreference(context));

         if (mExtraScreen != null) {
             mExtraScreen.removeAll();
             mExtraScreen = null;
         }

         final Preference extraPerms = new Preference(context);
         extraPerms.setIcon(R.drawable.ic_toc);
         extraPerms.setTitle(R.string.additional_permissions);

         for (AppPermissionGroup group : mAppPermissions.getPermissionGroups()) {
             if (!Utils.shouldShowPermission(getContext(), group)) {
                 continue;
             }

             boolean isPlatform = group.getDeclaringPackage().equals(Utils.OS_PKG);

             Preference preference = new Preference(context);
             preference.setOnPreferenceClickListener(this);
             preference.setKey(group.getName());
             Drawable icon = Utils.loadDrawable(context.getPackageManager(),
                     group.getIconPkg(), group.getIconResId());
             preference.setIcon(Utils.applyTint(getContext(), icon,
                     android.R.attr.colorControlNormal));
             preference.setTitle(group.getLabel());
             if (group.isSystemFixed()) {
                 preference.setSummary(getString(R.string.permission_summary_enabled_system_fixed));
             } else if (group.isPolicyFixed()) {
                 preference.setSummary(getString(R.string.permission_summary_enforced_by_policy));
             }
             preference.setPersistent(false);
             preference.setEnabled(!group.isSystemFixed() && !group.isPolicyFixed());

             if (isPlatform) {
                 screen.addPreference(preference);
             } else {
                 if (mExtraScreen == null) {
                     mExtraScreen = getPreferenceManager().createPreferenceScreen(context);
                     mExtraScreen.addPreference(createHeaderLineTwoPreference(context));
                 }
                 mExtraScreen.addPreference(preference);
             }
         }

         final String packageName = getArguments().getString(Intent.EXTRA_PACKAGE_NAME);
         final UserHandle user = getArguments().getParcelable(Intent.EXTRA_USER);

         if (mExtraScreen != null) {
             extraPerms.setOnPreferenceClickListener(preference -> {
                 AdditionalPermissionsFragment frag = new AdditionalPermissionsFragment();
                 setPackage(frag, packageName, user);
                 frag.setTargetFragment(AppPermissionsFragment.this, 0);
                 getFragmentManager().beginTransaction()
                         .replace(android.R.id.content, frag)
                         .addToBackStack(null)
                         .commit();
                 return true;
             });
             int count = mExtraScreen.getPreferenceCount() - 1;
             extraPerms.setSummary(getResources().getQuantityString(
                     R.plurals.additional_permissions_more, count, count));
             screen.addPreference(extraPerms);
         }

         addAutoRevokePreferences(getPreferenceScreen());

         setLoading(false /* loading */, true /* animate */);
     }

     /**
      * Creates a heading below decor_title and above the rest of the preferences. This heading
      * displays the app name and banner icon. It's used in both system and additional permissions
      * fragments for each app. The styling used is the same as a leanback preference with a
      * customized background color
      * @param context The context the preferences created on
      * @return The preference header to be inserted as the first preference in the list.
      */
     private Preference createHeaderLineTwoPreference(Context context) {
         Preference headerLineTwo = new Preference(context) {
             @Override
             public void onBindViewHolder(PreferenceViewHolder holder) {
                 super.onBindViewHolder(holder);
                 holder.itemView.setBackgroundColor(
                         getResources().getColor(R.color.lb_header_banner_color));
             }
         };
         headerLineTwo.setKey(HEADER_PREFERENCE_KEY);
         headerLineTwo.setSelectable(false);
         headerLineTwo.setTitle(mLabel);
         headerLineTwo.setIcon(mIcon);
         return headerLineTwo;
     }

     @Override
     public boolean onPreferenceClick(final Preference preference) {
         String groupName = preference.getKey();
         final AppPermissionGroup group = mAppPermissions.getPermissionGroup(groupName);

         if (group == null) {
             return false;
         }

         addToggledGroup(group);

         if (LocationUtils.isLocationGroupAndProvider(getContext(), group.getName(),
                 group.getApp().packageName)) {
             LocationUtils.showLocationDialog(getContext(), mAppPermissions.getAppLabel());
             return false;
         }

         AppPermissionFragment frag = new AppPermissionFragment();

         frag.setArguments(AppPermissionFragment.createArgs(
                     /* packageName= */ group.getApp().packageName,
                     /* permName= */ null,
                     /* groupName= */ group.getName(),
                     /* userHandle= */ group.getUser(),
                     /* caller= */ null,
                     /* sessionId= */ INVALID_SESSION_ID,
                     /* grantCategory= */ null));
         frag.setTargetFragment(AppPermissionsFragment.this, 0);
         getFragmentManager().beginTransaction()
                 .replace(android.R.id.content, frag)
                 .addToBackStack(null)
                 .commit();

         return true;
     }

     @Override
     public void onPause() {
         mViewModel.getAutoRevokeLiveData().removeObservers(this);
         super.onPause();
         logToggledGroups();
     }

     private void addToggledGroup(AppPermissionGroup group) {
         if (mToggledGroups == null) {
             mToggledGroups = new ArraySet<>();
         }
         mToggledGroups.add(group);
     }

     private void logToggledGroups() {
         if (mToggledGroups != null) {
             SafetyNetLogger.logPermissionsToggled(mToggledGroups);
             mToggledGroups = null;
         }
     }

     private void setPreferencesCheckedState() {
         setPreferencesCheckedState(getPreferenceScreen());
         if (mExtraScreen != null) {
             setPreferencesCheckedState(mExtraScreen);
         }
         setAutoRevokeToggleState(mViewModel.getAutoRevokeLiveData().getValue());
     }

     private void setPreferencesCheckedState(PreferenceScreen screen) {
         int preferenceCount = screen.getPreferenceCount();
         for (int i = 0; i < preferenceCount; i++) {
             Preference preference = screen.getPreference(i);
             if (preference.getKey() == null) {
                 continue;
             }
             AppPermissionGroup group = mAppPermissions.getPermissionGroup(preference.getKey());
             if (group == null) {
                 continue;
             }
             AppPermissionGroup backgroundGroup = group.getBackgroundPermissions();

             if (group.areRuntimePermissionsGranted()) {
                 if (backgroundGroup == null) {
                     preference.setSummary(R.string.app_permission_button_allow);
                 } else {
                     if (backgroundGroup.areRuntimePermissionsGranted()) {
                         preference.setSummary(R.string.permission_access_always);
                     } else {
                         preference.setSummary(R.string.permission_access_only_foreground);
                     }
                 }
             } else {
                 if (group.isOneTime()) {
                     preference.setSummary(R.string.app_permission_button_ask);
                 } else {
                     preference.setSummary(R.string.permission_access_never);
                 }
             }
         }
     }


     private void addAutoRevokePreferences(PreferenceScreen screen) {
         SwitchPreference autoRevokeSwitch =
                 new SwitchPreference(screen.getPreferenceManager().getContext());
         autoRevokeSwitch.setLayoutResource(R.layout.preference_permissions_revoke);
         autoRevokeSwitch.setOnPreferenceClickListener((preference) -> {
             mViewModel.setAutoRevoke(autoRevokeSwitch.isChecked());
             android.util.Log.w(LOG_TAG, "setAutoRevoke " + autoRevokeSwitch.isChecked());
             return true;
         });
         autoRevokeSwitch.setTitle(isHibernationEnabled() ? R.string.unused_apps_label
                 : R.string.auto_revoke_label);
         autoRevokeSwitch.setSummary(R.string.auto_revoke_summary);
         autoRevokeSwitch.setKey(AUTO_REVOKE_SWITCH_KEY);
         if (isHibernationEnabled()) {
             PreferenceCategory unusedAppsCategory = new PreferenceCategory(
                     screen.getPreferenceManager().getContext());
             unusedAppsCategory.setKey(UNUSED_APPS_KEY);
             unusedAppsCategory.setTitle(R.string.unused_apps);
             screen.addPreference(unusedAppsCategory);
             unusedAppsCategory.addPreference(autoRevokeSwitch);
         } else {
             screen.addPreference(autoRevokeSwitch);
         }
     }

     private void setAutoRevokeToggleState(HibernationSettingState state) {
         SwitchPreference autoRevokeSwitch = getPreferenceScreen().findPreference(
                 AUTO_REVOKE_SWITCH_KEY);
         if (state == null || autoRevokeSwitch == null) {
             return;
         }
         if (!state.isEnabledGlobal() || state.getRevocableGroupNames().isEmpty()) {
             if (isHibernationEnabled()) {
                 getPreferenceScreen().findPreference(UNUSED_APPS_KEY).setVisible(false);
             }
             autoRevokeSwitch.setVisible(false);
             return;
         }
         if (isHibernationEnabled()) {
             getPreferenceScreen().findPreference(UNUSED_APPS_KEY).setVisible(true);
         }
         autoRevokeSwitch.setVisible(true);
         autoRevokeSwitch.setChecked(state.isEnabledForApp());
     }

     private static PackageInfo getPackageInfo(Activity activity, String packageName) {
         try {
             return activity.getPackageManager().getPackageInfo(
                     packageName, PackageManager.GET_PERMISSIONS);
         } catch (PackageManager.NameNotFoundException e) {
             Log.i(LOG_TAG, "No package:" + activity.getCallingPackage(), e);
             return null;
         }
     }

     public static class AdditionalPermissionsFragment extends SettingsWithHeader {
         AppPermissionsFragment mOuterFragment;

         @Override
         public void onCreate(Bundle savedInstanceState) {
             mOuterFragment = (AppPermissionsFragment) getTargetFragment();
             super.onCreate(savedInstanceState);
             setHasOptionsMenu(true);
         }

         @Override
         public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
             setPreferenceScreen(mOuterFragment.mExtraScreen);
         }

         @Override
         public void onViewCreated(View view, Bundle savedInstanceState) {
             super.onViewCreated(view, savedInstanceState);
             bindUi(this,
                 getArguments().getString(Intent.EXTRA_PACKAGE_NAME),
                 getArguments().getParcelable(Intent.EXTRA_USER),
                 R.string.additional_permissions_decor_title);
         }

         @Override
         public boolean onOptionsItemSelected(MenuItem item) {
             switch (item.getItemId()) {
             case android.R.id.home:
                 getFragmentManager().popBackStack();
                 return true;
             }
             return super.onOptionsItemSelected(item);
         }
     }
 }
	/*
	* Copyright (C) 2015 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.permissioncontroller.permission.ui.television;

	import static com.android.permissioncontroller.Constants.INVALID_SESSION_ID;
	import static com.android.permissioncontroller.hibernation.HibernationPolicyKt.isHibernationEnabled;

	import android.app.ActionBar;
	import android.app.Activity;
	import android.app.Application;
	import android.content.Context;
	import android.content.Intent;
	import android.content.pm.PackageInfo;
	import android.content.pm.PackageManager;
	import android.graphics.drawable.Drawable;
	import android.net.Uri;
	import android.os.Bundle;
	import android.os.UserHandle;
	import android.provider.Settings;
	import android.text.BidiFormatter;
	import android.util.ArraySet;
	import android.util.Log;
	import android.view.Menu;
	import android.view.MenuInflater;
	import android.view.MenuItem;
	import android.view.View;
	import android.widget.Toast;

	import androidx.lifecycle.ViewModelProvider;
	import androidx.preference.Preference;
	import androidx.preference.Preference.OnPreferenceClickListener;
	import androidx.preference.PreferenceCategory;
	import androidx.preference.PreferenceScreen;
	import androidx.preference.PreferenceViewHolder;
	import androidx.preference.SwitchPreference;

	import com.android.permissioncontroller.R;
	import com.android.permissioncontroller.permission.model.AppPermissionGroup;
	import com.android.permissioncontroller.permission.model.AppPermissions;
	import com.android.permissioncontroller.permission.model.livedatatypes.HibernationSettingState;
	import com.android.permissioncontroller.permission.ui.ReviewPermissionsActivity;
	import com.android.permissioncontroller.permission.ui.model.AppPermissionGroupsViewModel;
	import com.android.permissioncontroller.permission.ui.model.AppPermissionGroupsViewModelFactory;
	import com.android.permissioncontroller.permission.utils.KotlinUtils;
	import com.android.permissioncontroller.permission.utils.LocationUtils;
	import com.android.permissioncontroller.permission.utils.SafetyNetLogger;
	import com.android.permissioncontroller.permission.utils.Utils;

	public final class AppPermissionsFragment extends SettingsWithHeader
	implements OnPreferenceClickListener {

	private static final String LOG_TAG = "ManagePermsFragment";

	static final String EXTRA_HIDE_INFO_BUTTON = "hideInfoButton";
	private static final String AUTO_REVOKE_SWITCH_KEY = "_AUTO_REVOKE_SWITCH_KEY";
	private static final String UNUSED_APPS_KEY = "_UNUSED_APPS_KEY";

	private static final int MENU_ALL_PERMS = 0;

	private ArraySet<AppPermissionGroup> mToggledGroups;
	private AppPermissionGroupsViewModel mViewModel;
	private AppPermissions mAppPermissions;
	private PreferenceScreen mExtraScreen;

	private boolean mHasConfirmedRevoke;

	public static AppPermissionsFragment newInstance(String packageName, UserHandle user) {
	return setPackage(new AppPermissionsFragment(), packageName, user);
	}

	private static <T extends PermissionsFrameFragment> T setPackage(
	T fragment, String packageName, UserHandle user) {
	Bundle arguments = new Bundle();
	arguments.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
	arguments.putParcelable(Intent.EXTRA_USER, user);
	fragment.setArguments(arguments);
	return fragment;
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setLoading(true /* loading /, false / animate */);
	setHasOptionsMenu(true);
	final ActionBar ab = getActivity().getActionBar();
	if (ab != null) {
	ab.setDisplayHomeAsUpEnabled(true);
	}

	final String packageName = getArguments().getString(Intent.EXTRA_PACKAGE_NAME);
	final UserHandle user = getArguments().getParcelable(Intent.EXTRA_USER);

	Activity activity = getActivity();
	PackageInfo packageInfo = getPackageInfo(activity, packageName);
	if (packageName == null) {
	Toast.makeText(activity, R.string.app_not_found_dlg_title, Toast.LENGTH_LONG).show();
	getActivity().finish();
	return;
	}

	mAppPermissions = new AppPermissions(activity, packageInfo, true,
	() -> getActivity().finish());

	if (mAppPermissions.isReviewRequired()) {
	Intent intent = new Intent(getActivity(), ReviewPermissionsActivity.class);
	intent.putExtra(Intent.EXTRA_PACKAGE_NAME, packageName);
	intent.putExtra(Intent.EXTRA_USER, user);
	startActivity(intent);
	getActivity().finish();
	return;
	}
	}

	@Override
	public void onResume() {
	super.onResume();
	final String packageName = getArguments().getString(Intent.EXTRA_PACKAGE_NAME);
	final UserHandle user = getArguments().getParcelable(Intent.EXTRA_USER);

	AppPermissionGroupsViewModelFactory factory =
	new AppPermissionGroupsViewModelFactory(packageName, user, 0);
	mViewModel = new ViewModelProvider(this, factory).get(AppPermissionGroupsViewModel.class);
	mViewModel.getAutoRevokeLiveData().observe(this, this::setAutoRevokeToggleState);

	mAppPermissions.refresh();
	loadPreferences();
	setPreferencesCheckedState();
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	switch (item.getItemId()) {
	case android.R.id.home: {
	getActivity().finish();
	return true;
	}

	case MENU_ALL_PERMS: {
	PermissionsFrameFragment frag =
	AllAppPermissionsFragment.newInstance(
	getArguments().getString(Intent.EXTRA_PACKAGE_NAME));
	getFragmentManager().beginTransaction()
	.replace(android.R.id.content, frag)
	.addToBackStack("AllPerms")
	.commit();
	return true;
	}
	}
	return super.onOptionsItemSelected(item);
	}

	@Override
	public void onViewCreated(View view, Bundle savedInstanceState) {
	super.onViewCreated(view, savedInstanceState);
	if (mAppPermissions != null) {
	bindUi(this,
	getArguments().getString(Intent.EXTRA_PACKAGE_NAME),
	getArguments().getParcelable(Intent.EXTRA_USER),
	R.string.app_permissions_decor_title);
	}
	}

	@Override
	public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
	super.onCreateOptionsMenu(menu, inflater);
	menu.add(Menu.NONE, MENU_ALL_PERMS, Menu.NONE, R.string.all_permissions);
	}

	static void bindUi(SettingsWithHeader fragment, String packageName,
	UserHandle user, int decorTitleStringResId) {
	final Activity activity = fragment.getActivity();
	final Application application = activity.getApplication();

	CharSequence label = BidiFormatter.getInstance().unicodeWrap(
	KotlinUtils.INSTANCE.getPackageLabel(application, packageName, user));
	Drawable icon= KotlinUtils.INSTANCE.getBadgedPackageIcon(application, packageName, user);

	Intent infoIntent = null;
	if (!activity.getIntent().getBooleanExtra(EXTRA_HIDE_INFO_BUTTON, false)) {
	infoIntent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
	.setData(Uri.fromParts("package", packageName, null));
	}

	fragment.setHeader(icon, label, infoIntent, fragment.getString(
	R.string.additional_permissions_decor_title));
	}

	private void loadPreferences() {
	Context context = getPreferenceManager().getContext();
	if (context == null) {
	return;
	}

	PreferenceScreen screen = getPreferenceScreen();
	screen.removeAll();
	screen.addPreference(createHeaderLineTwoPreference(context));

	if (mExtraScreen != null) {
	mExtraScreen.removeAll();
	mExtraScreen = null;
	}

	final Preference extraPerms = new Preference(context);
	extraPerms.setIcon(R.drawable.ic_toc);
	extraPerms.setTitle(R.string.additional_permissions);

	for (AppPermissionGroup group : mAppPermissions.getPermissionGroups()) {
	if (!Utils.shouldShowPermission(getContext(), group)) {
	continue;
	}

	boolean isPlatform = group.getDeclaringPackage().equals(Utils.OS_PKG);

	Preference preference = new Preference(context);
	preference.setOnPreferenceClickListener(this);
	preference.setKey(group.getName());
	Drawable icon = Utils.loadDrawable(context.getPackageManager(),
	group.getIconPkg(), group.getIconResId());
	preference.setIcon(Utils.applyTint(getContext(), icon,
	android.R.attr.colorControlNormal));
	preference.setTitle(group.getLabel());
	if (group.isSystemFixed()) {
	preference.setSummary(getString(R.string.permission_summary_enabled_system_fixed));
	} else if (group.isPolicyFixed()) {
	preference.setSummary(getString(R.string.permission_summary_enforced_by_policy));
	}
	preference.setPersistent(false);
	preference.setEnabled(!group.isSystemFixed() && !group.isPolicyFixed());

	if (isPlatform) {
	screen.addPreference(preference);
	} else {
	if (mExtraScreen == null) {
	mExtraScreen = getPreferenceManager().createPreferenceScreen(context);
	mExtraScreen.addPreference(createHeaderLineTwoPreference(context));
	}
	mExtraScreen.addPreference(preference);
	}
	}

	final String packageName = getArguments().getString(Intent.EXTRA_PACKAGE_NAME);
	final UserHandle user = getArguments().getParcelable(Intent.EXTRA_USER);

	if (mExtraScreen != null) {
	extraPerms.setOnPreferenceClickListener(preference -> {
	AdditionalPermissionsFragment frag = new AdditionalPermissionsFragment();
	setPackage(frag, packageName, user);
	frag.setTargetFragment(AppPermissionsFragment.this, 0);
	getFragmentManager().beginTransaction()
	.replace(android.R.id.content, frag)
	.addToBackStack(null)
	.commit();
	return true;
	});
	int count = mExtraScreen.getPreferenceCount() - 1;
	extraPerms.setSummary(getResources().getQuantityString(
	R.plurals.additional_permissions_more, count, count));
	screen.addPreference(extraPerms);
	}

	addAutoRevokePreferences(getPreferenceScreen());

	setLoading(false /* loading /, true / animate */);
	}

	/**
	* Creates a heading below decor_title and above the rest of the preferences. This heading
	* displays the app name and banner icon. It's used in both system and additional permissions
	* fragments for each app. The styling used is the same as a leanback preference with a
	* customized background color
	* @param context The context the preferences created on
	* @return The preference header to be inserted as the first preference in the list.
	*/
	private Preference createHeaderLineTwoPreference(Context context) {
	Preference headerLineTwo = new Preference(context) {
	@Override
	public void onBindViewHolder(PreferenceViewHolder holder) {
	super.onBindViewHolder(holder);
	holder.itemView.setBackgroundColor(
	getResources().getColor(R.color.lb_header_banner_color));
	}
	};
	headerLineTwo.setKey(HEADER_PREFERENCE_KEY);
	headerLineTwo.setSelectable(false);
	headerLineTwo.setTitle(mLabel);
	headerLineTwo.setIcon(mIcon);
	return headerLineTwo;
	}

	@Override
	public boolean onPreferenceClick(final Preference preference) {
	String groupName = preference.getKey();
	final AppPermissionGroup group = mAppPermissions.getPermissionGroup(groupName);

	if (group == null) {
	return false;
	}

	addToggledGroup(group);

	if (LocationUtils.isLocationGroupAndProvider(getContext(), group.getName(),
	group.getApp().packageName)) {
	LocationUtils.showLocationDialog(getContext(), mAppPermissions.getAppLabel());
	return false;
	}

	AppPermissionFragment frag = new AppPermissionFragment();

	frag.setArguments(AppPermissionFragment.createArgs(
	/* packageName= */ group.getApp().packageName,
	/* permName= */ null,
	/* groupName= */ group.getName(),
	/* userHandle= */ group.getUser(),
	/* caller= */ null,
	/* sessionId= */ INVALID_SESSION_ID,
	/* grantCategory= */ null));
	frag.setTargetFragment(AppPermissionsFragment.this, 0);
	getFragmentManager().beginTransaction()
	.replace(android.R.id.content, frag)
	.addToBackStack(null)
	.commit();

	return true;
	}

	@Override
	public void onPause() {
	mViewModel.getAutoRevokeLiveData().removeObservers(this);
	super.onPause();
	logToggledGroups();
	}

	private void addToggledGroup(AppPermissionGroup group) {
	if (mToggledGroups == null) {
	mToggledGroups = new ArraySet<>();
	}
	mToggledGroups.add(group);
	}

	private void logToggledGroups() {
	if (mToggledGroups != null) {
	SafetyNetLogger.logPermissionsToggled(mToggledGroups);
	mToggledGroups = null;
	}
	}

	private void setPreferencesCheckedState() {
	setPreferencesCheckedState(getPreferenceScreen());
	if (mExtraScreen != null) {
	setPreferencesCheckedState(mExtraScreen);
	}
	setAutoRevokeToggleState(mViewModel.getAutoRevokeLiveData().getValue());
	}

	private void setPreferencesCheckedState(PreferenceScreen screen) {
	int preferenceCount = screen.getPreferenceCount();
	for (int i = 0; i < preferenceCount; i++) {
	Preference preference = screen.getPreference(i);
	if (preference.getKey() == null) {
	continue;
	}
	AppPermissionGroup group = mAppPermissions.getPermissionGroup(preference.getKey());
	if (group == null) {
	continue;
	}
	AppPermissionGroup backgroundGroup = group.getBackgroundPermissions();

	if (group.areRuntimePermissionsGranted()) {
	if (backgroundGroup == null) {
	preference.setSummary(R.string.app_permission_button_allow);
	} else {
	if (backgroundGroup.areRuntimePermissionsGranted()) {
	preference.setSummary(R.string.permission_access_always);
	} else {
	preference.setSummary(R.string.permission_access_only_foreground);
	}
	}
	} else {
	if (group.isOneTime()) {
	preference.setSummary(R.string.app_permission_button_ask);
	} else {
	preference.setSummary(R.string.permission_access_never);
	}
	}
	}
	}


	private void addAutoRevokePreferences(PreferenceScreen screen) {
	SwitchPreference autoRevokeSwitch =
	new SwitchPreference(screen.getPreferenceManager().getContext());
	autoRevokeSwitch.setLayoutResource(R.layout.preference_permissions_revoke);
	autoRevokeSwitch.setOnPreferenceClickListener((preference) -> {
	mViewModel.setAutoRevoke(autoRevokeSwitch.isChecked());
	android.util.Log.w(LOG_TAG, "setAutoRevoke " + autoRevokeSwitch.isChecked());
	return true;
	});
	autoRevokeSwitch.setTitle(isHibernationEnabled() ? R.string.unused_apps_label
	: R.string.auto_revoke_label);
	autoRevokeSwitch.setSummary(R.string.auto_revoke_summary);
	autoRevokeSwitch.setKey(AUTO_REVOKE_SWITCH_KEY);
	if (isHibernationEnabled()) {
	PreferenceCategory unusedAppsCategory = new PreferenceCategory(
	screen.getPreferenceManager().getContext());
	unusedAppsCategory.setKey(UNUSED_APPS_KEY);
	unusedAppsCategory.setTitle(R.string.unused_apps);
	screen.addPreference(unusedAppsCategory);
	unusedAppsCategory.addPreference(autoRevokeSwitch);
	} else {
	screen.addPreference(autoRevokeSwitch);
	}
	}

	private void setAutoRevokeToggleState(HibernationSettingState state) {
	SwitchPreference autoRevokeSwitch = getPreferenceScreen().findPreference(
	AUTO_REVOKE_SWITCH_KEY);
	if (state == null \|\| autoRevokeSwitch == null) {
	return;
	}
	if (!state.isEnabledGlobal() \|\| state.getRevocableGroupNames().isEmpty()) {
	if (isHibernationEnabled()) {
	getPreferenceScreen().findPreference(UNUSED_APPS_KEY).setVisible(false);
	}
	autoRevokeSwitch.setVisible(false);
	return;
	}
	if (isHibernationEnabled()) {
	getPreferenceScreen().findPreference(UNUSED_APPS_KEY).setVisible(true);
	}
	autoRevokeSwitch.setVisible(true);
	autoRevokeSwitch.setChecked(state.isEnabledForApp());
	}

	private static PackageInfo getPackageInfo(Activity activity, String packageName) {
	try {
	return activity.getPackageManager().getPackageInfo(
	packageName, PackageManager.GET_PERMISSIONS);
	} catch (PackageManager.NameNotFoundException e) {
	Log.i(LOG_TAG, "No package:" + activity.getCallingPackage(), e);
	return null;
	}
	}

	public static class AdditionalPermissionsFragment extends SettingsWithHeader {
	AppPermissionsFragment mOuterFragment;

	@Override
	public void onCreate(Bundle savedInstanceState) {
	mOuterFragment = (AppPermissionsFragment) getTargetFragment();
	super.onCreate(savedInstanceState);
	setHasOptionsMenu(true);
	}

	@Override
	public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
	setPreferenceScreen(mOuterFragment.mExtraScreen);
	}

	@Override
	public void onViewCreated(View view, Bundle savedInstanceState) {
	super.onViewCreated(view, savedInstanceState);
	bindUi(this,
	getArguments().getString(Intent.EXTRA_PACKAGE_NAME),
	getArguments().getParcelable(Intent.EXTRA_USER),
	R.string.additional_permissions_decor_title);
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	switch (item.getItemId()) {
	case android.R.id.home:
	getFragmentManager().popBackStack();
	return true;
	}
	return super.onOptionsItemSelected(item);
	}
	}
	}