| /* |
| * Copyright (C) 2016 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.packageinstaller.handheld; |
| |
| import static android.os.storage.StorageManager.convert; |
| import static android.text.format.Formatter.formatFileSize; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.DialogFragment; |
| import android.app.usage.StorageStats; |
| import android.app.usage.StorageStatsManager; |
| import android.content.DialogInterface; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.UserInfo; |
| import android.os.Bundle; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.storage.StorageManager; |
| import android.os.storage.StorageVolume; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.CheckBox; |
| import android.widget.TextView; |
| |
| import com.android.packageinstaller.R; |
| import com.android.packageinstaller.UninstallerActivity; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| public class UninstallAlertDialogFragment extends DialogFragment implements |
| DialogInterface.OnClickListener { |
| private static final String LOG_TAG = UninstallAlertDialogFragment.class.getSimpleName(); |
| |
| private @Nullable CheckBox mKeepData; |
| |
| /** |
| * Get number of bytes of the app data of the package. |
| * |
| * @param pkg The package that might have app data. |
| * @param user The user the package belongs to |
| * |
| * @return The number of bytes. |
| */ |
| private long getAppDataSizeForUser(@NonNull String pkg, @NonNull UserHandle user) { |
| StorageManager storageManager = getContext().getSystemService(StorageManager.class); |
| StorageStatsManager storageStatsManager = |
| getContext().getSystemService(StorageStatsManager.class); |
| |
| List<StorageVolume> volumes = storageManager.getStorageVolumes(); |
| long appDataSize = 0; |
| |
| int numVolumes = volumes.size(); |
| for (int i = 0; i < numVolumes; i++) { |
| StorageStats stats; |
| try { |
| stats = storageStatsManager.queryStatsForPackage(convert(volumes.get(i).getUuid()), |
| pkg, user); |
| } catch (PackageManager.NameNotFoundException | IOException e) { |
| Log.e(LOG_TAG, "Cannot determine amount of app data for " + pkg + " on " |
| + volumes.get(i) + " (user " + user + ")", e); |
| continue; |
| } |
| |
| appDataSize += stats.getDataBytes(); |
| } |
| |
| return appDataSize; |
| } |
| |
| /** |
| * Get number of bytes of the app data of the package. |
| * |
| * @param pkg The package that might have app data. |
| * @param user The user the package belongs to or {@code null} if files of all users should be |
| * counted. |
| * |
| * @return The number of bytes. |
| */ |
| private long getAppDataSize(@NonNull String pkg, @Nullable UserHandle user) { |
| UserManager userManager = getContext().getSystemService(UserManager.class); |
| |
| long appDataSize = 0; |
| |
| if (user == null) { |
| List<UserInfo> users = userManager.getUsers(); |
| |
| int numUsers = users.size(); |
| for (int i = 0; i < numUsers; i++) { |
| appDataSize += getAppDataSizeForUser(pkg, UserHandle.of(users.get(i).id)); |
| } |
| } else { |
| appDataSize = getAppDataSizeForUser(pkg, user); |
| } |
| |
| return appDataSize; |
| } |
| |
| @Override |
| public Dialog onCreateDialog(Bundle savedInstanceState) { |
| final PackageManager pm = getActivity().getPackageManager(); |
| final UninstallerActivity.DialogInfo dialogInfo = |
| ((UninstallerActivity) getActivity()).getDialogInfo(); |
| final CharSequence appLabel = dialogInfo.appInfo.loadSafeLabel(pm); |
| AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity()); |
| StringBuilder messageBuilder = new StringBuilder(); |
| |
| // If the Activity label differs from the App label, then make sure the user |
| // knows the Activity belongs to the App being uninstalled. |
| if (dialogInfo.activityInfo != null) { |
| final CharSequence activityLabel = dialogInfo.activityInfo.loadSafeLabel(pm); |
| if (!activityLabel.equals(appLabel)) { |
| messageBuilder.append( |
| getString(R.string.uninstall_activity_text, activityLabel)); |
| messageBuilder.append(" ").append(appLabel).append(".\n\n"); |
| } |
| } |
| |
| final boolean isUpdate = |
| ((dialogInfo.appInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0); |
| UserManager userManager = UserManager.get(getActivity()); |
| if (isUpdate) { |
| if (isSingleUser(userManager)) { |
| messageBuilder.append(getString(R.string.uninstall_update_text)); |
| } else { |
| messageBuilder.append(getString(R.string.uninstall_update_text_multiuser)); |
| } |
| } else { |
| if (dialogInfo.allUsers && !isSingleUser(userManager)) { |
| messageBuilder.append(getString(R.string.uninstall_application_text_all_users)); |
| } else if (!dialogInfo.user.equals(android.os.Process.myUserHandle())) { |
| UserInfo userInfo = userManager.getUserInfo(dialogInfo.user.getIdentifier()); |
| messageBuilder.append( |
| getString(R.string.uninstall_application_text_user, userInfo.name)); |
| } else { |
| messageBuilder.append(getString(R.string.uninstall_application_text)); |
| } |
| } |
| |
| dialogBuilder.setTitle(appLabel); |
| dialogBuilder.setPositiveButton(android.R.string.ok, this); |
| dialogBuilder.setNegativeButton(android.R.string.cancel, this); |
| |
| String pkg = dialogInfo.appInfo.packageName; |
| |
| boolean suggestToKeepAppData; |
| try { |
| PackageInfo pkgInfo = pm.getPackageInfo(pkg, 0); |
| |
| suggestToKeepAppData = pkgInfo.applicationInfo.hasFragileUserData(); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(LOG_TAG, "Cannot check hasFragileUserData for " + pkg, e); |
| suggestToKeepAppData = false; |
| } |
| |
| long appDataSize = 0; |
| if (suggestToKeepAppData) { |
| appDataSize = getAppDataSize(pkg, dialogInfo.allUsers ? null : dialogInfo.user); |
| } |
| |
| if (appDataSize == 0) { |
| dialogBuilder.setMessage(messageBuilder.toString()); |
| } else { |
| LayoutInflater inflater = getContext().getSystemService(LayoutInflater.class); |
| ViewGroup content = (ViewGroup) inflater.inflate(R.layout.uninstall_content_view, null); |
| |
| ((TextView) content.requireViewById(R.id.message)).setText(messageBuilder.toString()); |
| mKeepData = content.requireViewById(R.id.keepData); |
| mKeepData.setVisibility(View.VISIBLE); |
| mKeepData.setText(getString(R.string.uninstall_keep_data, |
| formatFileSize(getContext(), appDataSize))); |
| |
| dialogBuilder.setView(content); |
| } |
| |
| return dialogBuilder.create(); |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| if (which == Dialog.BUTTON_POSITIVE) { |
| ((UninstallerActivity) getActivity()).startUninstallProgress( |
| mKeepData != null && mKeepData.isChecked()); |
| } else { |
| ((UninstallerActivity) getActivity()).dispatchAborted(); |
| } |
| } |
| |
| @Override |
| public void onDismiss(DialogInterface dialog) { |
| super.onDismiss(dialog); |
| if (isAdded()) { |
| getActivity().finish(); |
| } |
| } |
| |
| /** |
| * Returns whether there is only one user on this device, not including |
| * the system-only user. |
| */ |
| private boolean isSingleUser(UserManager userManager) { |
| final int userCount = userManager.getUserCount(); |
| return userCount == 1 |
| || (UserManager.isSplitSystemUser() && userCount == 2); |
| } |
| } |