| /* |
| ** |
| ** Copyright 2007, 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; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.DialogFragment; |
| import android.app.Fragment; |
| import android.app.FragmentTransaction; |
| import android.content.ComponentName; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageDeleteObserver2; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageInstaller; |
| import android.content.pm.PackageManager; |
| import android.content.pm.UserInfo; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.util.Log; |
| |
| /* |
| * This activity presents UI to uninstall an application. Usually launched with intent |
| * Intent.ACTION_UNINSTALL_PKG_COMMAND and attribute |
| * com.android.packageinstaller.PackageName set to the application package name |
| */ |
| public class UninstallerActivity extends Activity { |
| private static final String TAG = "UninstallerActivity"; |
| |
| public static class UninstallAlertDialogFragment extends DialogFragment implements |
| DialogInterface.OnClickListener { |
| |
| @Override |
| public Dialog onCreateDialog(Bundle savedInstanceState) { |
| final PackageManager pm = getActivity().getPackageManager(); |
| final DialogInfo dialogInfo = ((UninstallerActivity) getActivity()).mDialogInfo; |
| final CharSequence appLabel = dialogInfo.appInfo.loadLabel(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.loadLabel(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.setIcon(dialogInfo.appInfo.loadIcon(pm)); |
| dialogBuilder.setPositiveButton(android.R.string.ok, this); |
| dialogBuilder.setNegativeButton(android.R.string.cancel, this); |
| dialogBuilder.setMessage(messageBuilder.toString()); |
| return dialogBuilder.create(); |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| if (which == Dialog.BUTTON_POSITIVE) { |
| ((UninstallerActivity) getActivity()).startUninstallProgress(); |
| } 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); |
| } |
| } |
| |
| public static class AppNotFoundDialogFragment extends DialogFragment { |
| |
| @Override |
| public Dialog onCreateDialog(Bundle savedInstanceState) { |
| return new AlertDialog.Builder(getActivity()) |
| .setTitle(R.string.app_not_found_dlg_title) |
| .setMessage(R.string.app_not_found_dlg_text) |
| .setNeutralButton(android.R.string.ok, null) |
| .create(); |
| } |
| |
| @Override |
| public void onDismiss(DialogInterface dialog) { |
| super.onDismiss(dialog); |
| if (isAdded()) { |
| ((UninstallerActivity) getActivity()).dispatchAborted(); |
| getActivity().setResult(Activity.RESULT_FIRST_USER); |
| getActivity().finish(); |
| } |
| } |
| } |
| |
| static class DialogInfo { |
| ApplicationInfo appInfo; |
| ActivityInfo activityInfo; |
| boolean allUsers; |
| UserHandle user; |
| IBinder callback; |
| } |
| |
| private String mPackageName; |
| private DialogInfo mDialogInfo; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| // Get intent information. |
| // We expect an intent with URI of the form package://<packageName>#<className> |
| // className is optional; if specified, it is the activity the user chose to uninstall |
| final Intent intent = getIntent(); |
| final Uri packageUri = intent.getData(); |
| if (packageUri == null) { |
| Log.e(TAG, "No package URI in intent"); |
| showAppNotFound(); |
| return; |
| } |
| mPackageName = packageUri.getEncodedSchemeSpecificPart(); |
| if (mPackageName == null) { |
| Log.e(TAG, "Invalid package name in URI: " + packageUri); |
| showAppNotFound(); |
| return; |
| } |
| |
| final IPackageManager pm = IPackageManager.Stub.asInterface( |
| ServiceManager.getService("package")); |
| |
| mDialogInfo = new DialogInfo(); |
| |
| mDialogInfo.user = intent.getParcelableExtra(Intent.EXTRA_USER); |
| if (mDialogInfo.user == null) { |
| mDialogInfo.user = android.os.Process.myUserHandle(); |
| } |
| |
| mDialogInfo.allUsers = intent.getBooleanExtra(Intent.EXTRA_UNINSTALL_ALL_USERS, false); |
| mDialogInfo.callback = intent.getIBinderExtra(PackageInstaller.EXTRA_CALLBACK); |
| |
| try { |
| mDialogInfo.appInfo = pm.getApplicationInfo(mPackageName, |
| PackageManager.GET_UNINSTALLED_PACKAGES, mDialogInfo.user.getIdentifier()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Unable to get packageName. Package manager is dead?"); |
| } |
| |
| if (mDialogInfo.appInfo == null) { |
| Log.e(TAG, "Invalid packageName: " + mPackageName); |
| showAppNotFound(); |
| return; |
| } |
| |
| // The class name may have been specified (e.g. when deleting an app from all apps) |
| final String className = packageUri.getFragment(); |
| if (className != null) { |
| try { |
| mDialogInfo.activityInfo = pm.getActivityInfo( |
| new ComponentName(mPackageName, className), 0, |
| mDialogInfo.user.getIdentifier()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Unable to get className. Package manager is dead?"); |
| // Continue as the ActivityInfo isn't critical. |
| } |
| } |
| |
| showConfirmationDialog(); |
| } |
| |
| private void showConfirmationDialog() { |
| showDialogFragment(new UninstallAlertDialogFragment()); |
| } |
| |
| private void showAppNotFound() { |
| showDialogFragment(new AppNotFoundDialogFragment()); |
| } |
| |
| private void showDialogFragment(DialogFragment fragment) { |
| FragmentTransaction ft = getFragmentManager().beginTransaction(); |
| Fragment prev = getFragmentManager().findFragmentByTag("dialog"); |
| if (prev != null) { |
| ft.remove(prev); |
| } |
| fragment.show(ft, "dialog"); |
| } |
| |
| void startUninstallProgress() { |
| Intent newIntent = new Intent(Intent.ACTION_VIEW); |
| newIntent.putExtra(Intent.EXTRA_USER, mDialogInfo.user); |
| newIntent.putExtra(Intent.EXTRA_UNINSTALL_ALL_USERS, mDialogInfo.allUsers); |
| newIntent.putExtra(PackageInstaller.EXTRA_CALLBACK, mDialogInfo.callback); |
| newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, mDialogInfo.appInfo); |
| if (getIntent().getBooleanExtra(Intent.EXTRA_RETURN_RESULT, false)) { |
| newIntent.putExtra(Intent.EXTRA_RETURN_RESULT, true); |
| newIntent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT); |
| } |
| newIntent.setClass(this, UninstallAppProgress.class); |
| startActivity(newIntent); |
| } |
| |
| void dispatchAborted() { |
| if (mDialogInfo != null && mDialogInfo.callback != null) { |
| final IPackageDeleteObserver2 observer = IPackageDeleteObserver2.Stub.asInterface( |
| mDialogInfo.callback); |
| try { |
| observer.onPackageDeleted(mPackageName, |
| PackageManager.DELETE_FAILED_ABORTED, "Cancelled by user"); |
| } catch (RemoteException ignored) { |
| } |
| } |
| } |
| } |