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/*
* 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 android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.UserInfo;
import android.os.Bundle;
import android.os.UserManager;
import com.android.packageinstaller.R;
import com.android.packageinstaller.UninstallerActivity;
public class UninstallAlertDialogFragment extends DialogFragment implements
DialogInterface.OnClickListener {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final PackageManager pm = getActivity().getPackageManager();
final UninstallerActivity.DialogInfo dialogInfo =
((UninstallerActivity) getActivity()).getDialogInfo();
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);
}
}
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