| /* |
| * 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.tv.settings.device.storage; |
| |
| import android.annotation.Nullable; |
| import android.app.ActivityManager; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.os.UserHandle; |
| import android.service.oemlock.OemLockManager; |
| import android.service.persistentdata.PersistentDataBlockManager; |
| import android.util.Log; |
| |
| import androidx.annotation.NonNull; |
| import androidx.fragment.app.FragmentActivity; |
| import androidx.leanback.app.GuidedStepSupportFragment; |
| import androidx.leanback.widget.GuidanceStylist; |
| import androidx.leanback.widget.GuidedAction; |
| |
| import com.android.tv.settings.R; |
| import com.android.tv.settings.util.GuidedActionsAlignUtil; |
| |
| import java.util.List; |
| |
| public class ResetActivity extends FragmentActivity { |
| |
| private static final String TAG = "ResetActivity"; |
| |
| /** |
| * Support for shutdown-after-reset. If our launch intent has a true value for |
| * the boolean extra under the following key, then include it in the intent we |
| * use to trigger a factory reset. This will cause us to shut down instead of |
| * restart after the reset. |
| */ |
| private static final String SHUTDOWN_INTENT_EXTRA = "shutdown"; |
| |
| @Override |
| protected void onCreate(@Nullable Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| if (savedInstanceState == null) { |
| GuidedStepSupportFragment |
| .addAsRoot(this, ResetFragment.newInstance(), android.R.id.content); |
| } |
| } |
| |
| public static class ResetFragment extends GuidedStepSupportFragment { |
| |
| public static ResetFragment newInstance() { |
| |
| Bundle args = new Bundle(); |
| |
| ResetFragment fragment = new ResetFragment(); |
| fragment.setArguments(args); |
| return fragment; |
| } |
| |
| @NonNull |
| @Override |
| public GuidanceStylist.Guidance onCreateGuidance(Bundle savedInstanceState) { |
| return new GuidanceStylist.Guidance( |
| getString(R.string.device_reset), |
| getString(R.string.factory_reset_description), |
| null, |
| getContext().getDrawable(R.drawable.ic_settings_backup_restore_132dp)); |
| } |
| |
| @Override |
| public void onCreateActions(@NonNull List<GuidedAction> actions, |
| Bundle savedInstanceState) { |
| actions.add(new GuidedAction.Builder(getContext()) |
| .clickAction(GuidedAction.ACTION_ID_CANCEL) |
| .build()); |
| actions.add(new GuidedAction.Builder(getContext()) |
| .clickAction(GuidedAction.ACTION_ID_OK) |
| .title(getString(R.string.device_reset)) |
| .build()); |
| } |
| |
| @Override |
| public void onGuidedActionClicked(GuidedAction action) { |
| if (action.getId() == GuidedAction.ACTION_ID_OK) { |
| add(getFragmentManager(), ResetConfirmFragment.newInstance()); |
| } else if (action.getId() == GuidedAction.ACTION_ID_CANCEL) { |
| getActivity().finish(); |
| } else { |
| Log.wtf(TAG, "Unknown action clicked"); |
| } |
| } |
| |
| @Override |
| public GuidanceStylist onCreateGuidanceStylist() { |
| return GuidedActionsAlignUtil.createGuidanceStylist(); |
| } |
| } |
| |
| public static class ResetConfirmFragment extends GuidedStepSupportFragment { |
| |
| public static ResetConfirmFragment newInstance() { |
| |
| Bundle args = new Bundle(); |
| |
| ResetConfirmFragment fragment = new ResetConfirmFragment(); |
| fragment.setArguments(args); |
| return fragment; |
| } |
| |
| @NonNull |
| @Override |
| public GuidanceStylist.Guidance onCreateGuidance(Bundle savedInstanceState) { |
| return new GuidanceStylist.Guidance( |
| getString(R.string.device_reset), |
| getString(R.string.confirm_factory_reset_description), |
| null, |
| getContext().getDrawable(R.drawable.ic_settings_backup_restore_132dp)); |
| } |
| |
| @Override |
| public void onCreateActions(@NonNull List<GuidedAction> actions, |
| Bundle savedInstanceState) { |
| actions.add(new GuidedAction.Builder(getContext()) |
| .clickAction(GuidedAction.ACTION_ID_CANCEL) |
| .build()); |
| actions.add(new GuidedAction.Builder(getContext()) |
| .clickAction(GuidedAction.ACTION_ID_OK) |
| .title(getString(R.string.confirm_factory_reset_device)) |
| .build()); |
| } |
| |
| @Override |
| public GuidanceStylist onCreateGuidanceStylist() { |
| return GuidedActionsAlignUtil.createGuidanceStylist(); |
| } |
| |
| @Override |
| public void onGuidedActionClicked(GuidedAction action) { |
| if (action.getId() == GuidedAction.ACTION_ID_OK) { |
| if (ActivityManager.isUserAMonkey()) { |
| Log.v(TAG, "Monkey tried to erase the device. Bad monkey, bad!"); |
| getActivity().finish(); |
| } else { |
| performFactoryReset(); |
| } |
| } else if (action.getId() == GuidedAction.ACTION_ID_CANCEL) { |
| getActivity().finish(); |
| } else { |
| Log.wtf(TAG, "Unknown action clicked"); |
| } |
| } |
| |
| private void performFactoryReset() { |
| final PersistentDataBlockManager pdbManager = (PersistentDataBlockManager) |
| getContext().getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); |
| |
| if (shouldWipePersistentDataBlock(pdbManager)) { |
| new AsyncTask<Void, Void, Void>() { |
| @Override |
| protected Void doInBackground(Void... params) { |
| pdbManager.wipe(); |
| return null; |
| } |
| |
| @Override |
| protected void onPostExecute(Void aVoid) { |
| doMainClear(); |
| } |
| }.execute(); |
| } else { |
| doMainClear(); |
| } |
| } |
| |
| private boolean shouldWipePersistentDataBlock(PersistentDataBlockManager pdbManager) { |
| if (pdbManager == null) { |
| return false; |
| } |
| // If OEM unlock is allowed, the persistent data block will be wiped during FR. |
| // If disabled, it will be wiped here instead. |
| if (((OemLockManager) getActivity().getSystemService(Context.OEM_LOCK_SERVICE)) |
| .isOemUnlockAllowed()) { |
| return false; |
| } |
| return true; |
| } |
| |
| private void doMainClear() { |
| if (getActivity() == null) { |
| return; |
| } |
| Intent resetIntent = new Intent(Intent.ACTION_FACTORY_RESET); |
| resetIntent.setPackage("android"); |
| resetIntent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| resetIntent.putExtra(Intent.EXTRA_REASON, "ResetConfirmFragment"); |
| if (getActivity().getIntent().getBooleanExtra(SHUTDOWN_INTENT_EXTRA, false)) { |
| resetIntent.putExtra(SHUTDOWN_INTENT_EXTRA, true); |
| } |
| getActivity().sendBroadcastAsUser(resetIntent, UserHandle.SYSTEM); |
| } |
| } |
| } |