| /* |
| ** |
| ** 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.television; |
| |
| import android.app.Activity; |
| import android.app.admin.IDevicePolicyManager; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageDeleteObserver; |
| 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.graphics.Color; |
| import android.graphics.drawable.ColorDrawable; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.util.Log; |
| import android.util.TypedValue; |
| import android.view.KeyEvent; |
| import android.widget.Toast; |
| |
| import com.android.packageinstaller.PackageUtil; |
| import com.android.packageinstaller.R; |
| |
| import java.lang.ref.WeakReference; |
| import java.util.List; |
| |
| /** |
| * This activity corresponds to a download progress screen that is displayed |
| * when an application is uninstalled. The result of the application uninstall |
| * is indicated in the result code that gets set to 0 or 1. The application gets launched |
| * by an intent with the intent's class name explicitly set to UninstallAppProgress and expects |
| * the application object of the application to uninstall. |
| */ |
| public class UninstallAppProgress extends Activity { |
| private static final String TAG = "UninstallAppProgress"; |
| |
| private static final String FRAGMENT_TAG = "progress_fragment"; |
| |
| private ApplicationInfo mAppInfo; |
| private boolean mAllUsers; |
| private IBinder mCallback; |
| |
| private volatile int mResultCode = -1; |
| |
| /** |
| * If initView was called. We delay this call to not have to call it at all if the uninstall is |
| * quick |
| */ |
| private boolean mIsViewInitialized; |
| |
| /** Amount of time to wait until we show the UI */ |
| private static final int QUICK_INSTALL_DELAY_MILLIS = 500; |
| |
| private static final int UNINSTALL_COMPLETE = 1; |
| private static final int UNINSTALL_IS_SLOW = 2; |
| |
| private Handler mHandler = new MessageHandler(this); |
| |
| private static class MessageHandler extends Handler { |
| private final WeakReference<UninstallAppProgress> mActivity; |
| |
| public MessageHandler(UninstallAppProgress activity) { |
| mActivity = new WeakReference<>(activity); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| UninstallAppProgress activity = mActivity.get(); |
| if (activity != null) { |
| activity.handleMessage(msg); |
| } |
| } |
| } |
| |
| private void handleMessage(Message msg) { |
| if (isFinishing() || isDestroyed()) { |
| return; |
| } |
| |
| switch (msg.what) { |
| case UNINSTALL_IS_SLOW: |
| initView(); |
| break; |
| case UNINSTALL_COMPLETE: |
| mHandler.removeMessages(UNINSTALL_IS_SLOW); |
| |
| if (msg.arg1 != PackageManager.DELETE_SUCCEEDED) { |
| initView(); |
| } |
| |
| mResultCode = msg.arg1; |
| final String packageName = (String) msg.obj; |
| |
| if (mCallback != null) { |
| final IPackageDeleteObserver2 observer = IPackageDeleteObserver2.Stub |
| .asInterface(mCallback); |
| try { |
| observer.onPackageDeleted(mAppInfo.packageName, mResultCode, |
| packageName); |
| } catch (RemoteException ignored) { |
| } |
| finish(); |
| return; |
| } |
| |
| if (getIntent().getBooleanExtra(Intent.EXTRA_RETURN_RESULT, false)) { |
| Intent result = new Intent(); |
| result.putExtra(Intent.EXTRA_INSTALL_RESULT, mResultCode); |
| setResult(mResultCode == PackageManager.DELETE_SUCCEEDED |
| ? Activity.RESULT_OK : Activity.RESULT_FIRST_USER, |
| result); |
| finish(); |
| return; |
| } |
| |
| // Update the status text |
| final String statusText; |
| switch (msg.arg1) { |
| case PackageManager.DELETE_SUCCEEDED: |
| statusText = getString(R.string.uninstall_done); |
| // Show a Toast and finish the activity |
| Context ctx = getBaseContext(); |
| Toast.makeText(ctx, statusText, Toast.LENGTH_LONG).show(); |
| setResultAndFinish(); |
| return; |
| case PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER: { |
| UserManager userManager = |
| (UserManager) getSystemService(Context.USER_SERVICE); |
| IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( |
| ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); |
| // Find out if the package is an active admin for some non-current user. |
| int myUserId = UserHandle.myUserId(); |
| UserInfo otherBlockingUser = null; |
| for (UserInfo user : userManager.getUsers()) { |
| // We only catch the case when the user in question is neither the |
| // current user nor its profile. |
| if (isProfileOfOrSame(userManager, myUserId, user.id)) continue; |
| |
| try { |
| if (dpm.packageHasActiveAdmins(packageName, user.id)) { |
| otherBlockingUser = user; |
| break; |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to talk to package manager", e); |
| } |
| } |
| if (otherBlockingUser == null) { |
| Log.d(TAG, "Uninstall failed because " + packageName |
| + " is a device admin"); |
| getProgressFragment().setDeviceManagerButtonVisible(true); |
| statusText = getString( |
| R.string.uninstall_failed_device_policy_manager); |
| } else { |
| Log.d(TAG, "Uninstall failed because " + packageName |
| + " is a device admin of user " + otherBlockingUser); |
| getProgressFragment().setDeviceManagerButtonVisible(false); |
| statusText = String.format( |
| getString(R.string.uninstall_failed_device_policy_manager_of_user), |
| otherBlockingUser.name); |
| } |
| break; |
| } |
| case PackageManager.DELETE_FAILED_OWNER_BLOCKED: { |
| UserManager userManager = |
| (UserManager) getSystemService(Context.USER_SERVICE); |
| IPackageManager packageManager = IPackageManager.Stub.asInterface( |
| ServiceManager.getService("package")); |
| List<UserInfo> users = userManager.getUsers(); |
| int blockingUserId = UserHandle.USER_NULL; |
| for (int i = 0; i < users.size(); ++i) { |
| final UserInfo user = users.get(i); |
| try { |
| if (packageManager.getBlockUninstallForUser(packageName, |
| user.id)) { |
| blockingUserId = user.id; |
| break; |
| } |
| } catch (RemoteException e) { |
| // Shouldn't happen. |
| Log.e(TAG, "Failed to talk to package manager", e); |
| } |
| } |
| int myUserId = UserHandle.myUserId(); |
| if (isProfileOfOrSame(userManager, myUserId, blockingUserId)) { |
| getProgressFragment().setDeviceManagerButtonVisible(true); |
| } else { |
| getProgressFragment().setDeviceManagerButtonVisible(false); |
| getProgressFragment().setUsersButtonVisible(true); |
| } |
| // TODO: b/25442806 |
| if (blockingUserId == UserHandle.USER_SYSTEM) { |
| statusText = getString(R.string.uninstall_blocked_device_owner); |
| } else if (blockingUserId == UserHandle.USER_NULL) { |
| Log.d(TAG, "Uninstall failed for " + packageName + " with code " |
| + msg.arg1 + " no blocking user"); |
| statusText = getString(R.string.uninstall_failed); |
| } else { |
| statusText = mAllUsers |
| ? getString(R.string.uninstall_all_blocked_profile_owner) : |
| getString(R.string.uninstall_blocked_profile_owner); |
| } |
| break; |
| } |
| default: |
| Log.d(TAG, "Uninstall failed for " + packageName + " with code " |
| + msg.arg1); |
| statusText = getString(R.string.uninstall_failed); |
| break; |
| } |
| getProgressFragment().showCompletion(statusText); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| private boolean isProfileOfOrSame(UserManager userManager, int userId, int profileId) { |
| if (userId == profileId) { |
| return true; |
| } |
| UserInfo parentUser = userManager.getProfileParent(profileId); |
| return parentUser != null && parentUser.id == userId; |
| } |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| Intent intent = getIntent(); |
| mAppInfo = intent.getParcelableExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO); |
| mCallback = intent.getIBinderExtra(PackageInstaller.EXTRA_CALLBACK); |
| |
| // This currently does not support going through a onDestroy->onCreate cycle. Hence if that |
| // happened, just fail the operation for mysterious reasons. |
| if (icicle != null) { |
| mResultCode = PackageManager.DELETE_FAILED_INTERNAL_ERROR; |
| |
| if (mCallback != null) { |
| final IPackageDeleteObserver2 observer = IPackageDeleteObserver2.Stub |
| .asInterface(mCallback); |
| try { |
| observer.onPackageDeleted(mAppInfo.packageName, mResultCode, null); |
| } catch (RemoteException ignored) { |
| } |
| finish(); |
| } else { |
| setResultAndFinish(); |
| } |
| |
| return; |
| } |
| |
| mAllUsers = intent.getBooleanExtra(Intent.EXTRA_UNINSTALL_ALL_USERS, false); |
| UserHandle user = intent.getParcelableExtra(Intent.EXTRA_USER); |
| if (user == null) { |
| user = android.os.Process.myUserHandle(); |
| } |
| |
| PackageDeleteObserver observer = new PackageDeleteObserver(); |
| |
| // Make window transparent until initView is called. In many cases we can avoid showing the |
| // UI at all as the app is uninstalled very quickly. If we show the UI and instantly remove |
| // it, it just looks like a flicker. |
| getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT)); |
| getWindow().setStatusBarColor(Color.TRANSPARENT); |
| getWindow().setNavigationBarColor(Color.TRANSPARENT); |
| |
| try { |
| getPackageManager().deletePackageAsUser(mAppInfo.packageName, observer, |
| mAllUsers ? PackageManager.DELETE_ALL_USERS : 0, user.getIdentifier()); |
| } catch (IllegalArgumentException e) { |
| // Couldn't find the package, no need to call uninstall. |
| Log.w(TAG, "Could not find package, not deleting " + mAppInfo.packageName, e); |
| } |
| |
| mHandler.sendMessageDelayed(mHandler.obtainMessage(UNINSTALL_IS_SLOW), |
| QUICK_INSTALL_DELAY_MILLIS); |
| } |
| |
| public ApplicationInfo getAppInfo() { |
| return mAppInfo; |
| } |
| |
| private class PackageDeleteObserver extends IPackageDeleteObserver.Stub { |
| public void packageDeleted(String packageName, int returnCode) { |
| Message msg = mHandler.obtainMessage(UNINSTALL_COMPLETE); |
| msg.arg1 = returnCode; |
| msg.obj = packageName; |
| mHandler.sendMessage(msg); |
| } |
| } |
| |
| public void setResultAndFinish() { |
| setResult(mResultCode); |
| finish(); |
| } |
| |
| private void initView() { |
| if (mIsViewInitialized) { |
| return; |
| } |
| mIsViewInitialized = true; |
| |
| // We set the window background to translucent in constructor, revert this |
| TypedValue attribute = new TypedValue(); |
| getTheme().resolveAttribute(android.R.attr.windowBackground, attribute, true); |
| if (attribute.type >= TypedValue.TYPE_FIRST_COLOR_INT && |
| attribute.type <= TypedValue.TYPE_LAST_COLOR_INT) { |
| getWindow().setBackgroundDrawable(new ColorDrawable(attribute.data)); |
| } else { |
| getWindow().setBackgroundDrawable(getResources().getDrawable(attribute.resourceId, |
| getTheme())); |
| } |
| |
| getTheme().resolveAttribute(android.R.attr.navigationBarColor, attribute, true); |
| getWindow().setNavigationBarColor(attribute.data); |
| |
| getTheme().resolveAttribute(android.R.attr.statusBarColor, attribute, true); |
| getWindow().setStatusBarColor(attribute.data); |
| |
| boolean isUpdate = ((mAppInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0); |
| setTitle(isUpdate ? R.string.uninstall_update_title : R.string.uninstall_application_title); |
| |
| getFragmentManager().beginTransaction() |
| .add(android.R.id.content, new UninstallAppProgressFragment(), FRAGMENT_TAG) |
| .commitNowAllowingStateLoss(); |
| } |
| |
| @Override |
| public boolean dispatchKeyEvent(KeyEvent ev) { |
| if (ev.getKeyCode() == KeyEvent.KEYCODE_BACK) { |
| if (mResultCode == -1) { |
| // Ignore back key when installation is in progress |
| return true; |
| } else { |
| // If installation is done, just set the result code |
| setResult(mResultCode); |
| } |
| } |
| return super.dispatchKeyEvent(ev); |
| } |
| |
| private ProgressFragment getProgressFragment() { |
| return (ProgressFragment) getFragmentManager().findFragmentByTag(FRAGMENT_TAG); |
| } |
| |
| public interface ProgressFragment { |
| void setUsersButtonVisible(boolean visible); |
| void setDeviceManagerButtonVisible(boolean visible); |
| void showCompletion(CharSequence statusText); |
| } |
| } |