7a3555961d
Add support message to device admin settings pages. Show policy information for device owners and profile owners. Allow a user to remove profile from profile owners admin page. Bug: 26416662 Change-Id: I95424da50067b7c0ba1618a083a31448d406188f
568 lines
24 KiB
Java
568 lines
24 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import android.app.Activity;
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import android.app.ActivityManagerNative;
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import android.app.AlertDialog;
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import android.app.AppOpsManager;
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import android.app.Dialog;
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import android.app.admin.DeviceAdminInfo;
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import android.app.admin.DeviceAdminReceiver;
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import android.app.admin.DevicePolicyManager;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.ActivityInfo;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.PackageManager.NameNotFoundException;
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import android.content.pm.ResolveInfo;
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import android.content.pm.UserInfo;
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import android.content.res.Resources;
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import android.os.Binder;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.RemoteCallback;
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import android.os.RemoteException;
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import android.os.UserHandle;
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import android.os.UserManager;
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import android.text.TextUtils;
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import android.text.TextUtils.TruncateAt;
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import android.util.EventLog;
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import android.util.Log;
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import android.view.Display;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewTreeObserver;
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import android.view.WindowManager;
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import android.widget.AppSecurityPermissions;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.android.settings.users.UserDialogs;
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import org.xmlpull.v1.XmlPullParserException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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public class DeviceAdminAdd extends Activity {
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static final String TAG = "DeviceAdminAdd";
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static final int DIALOG_WARNING = 1;
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private static final int MAX_ADD_MSG_LINES_PORTRAIT = 5;
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private static final int MAX_ADD_MSG_LINES_LANDSCAPE = 2;
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private static final int MAX_ADD_MSG_LINES = 15;
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Handler mHandler;
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DevicePolicyManager mDPM;
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AppOpsManager mAppOps;
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DeviceAdminInfo mDeviceAdmin;
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CharSequence mAddMsgText;
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String mProfileOwnerName;
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ImageView mAdminIcon;
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TextView mAdminName;
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TextView mAdminDescription;
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TextView mAddMsg;
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TextView mProfileOwnerWarning;
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ImageView mAddMsgExpander;
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boolean mAddMsgEllipsized = true;
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TextView mAdminWarning;
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TextView mSupportMessage;
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ViewGroup mAdminPolicies;
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Button mActionButton;
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Button mCancelButton;
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boolean mAdding;
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boolean mRefreshing;
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boolean mWaitingForRemoveMsg;
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boolean mAddingProfileOwner;
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boolean mAdminPoliciesInitialized;
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int mCurSysAppOpMode;
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int mCurToastAppOpMode;
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@Override
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protected void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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mHandler = new Handler(getMainLooper());
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mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE);
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mAppOps = (AppOpsManager)getSystemService(Context.APP_OPS_SERVICE);
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PackageManager packageManager = getPackageManager();
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if ((getIntent().getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
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Log.w(TAG, "Cannot start ADD_DEVICE_ADMIN as a new task");
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finish();
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return;
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}
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String action = getIntent().getAction();
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ComponentName who = (ComponentName)getIntent().getParcelableExtra(
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DevicePolicyManager.EXTRA_DEVICE_ADMIN);
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if (who == null) {
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Log.w(TAG, "No component specified in " + action);
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finish();
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return;
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}
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if (action != null && action.equals(DevicePolicyManager.ACTION_SET_PROFILE_OWNER)) {
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setResult(RESULT_CANCELED);
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setFinishOnTouchOutside(true);
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mAddingProfileOwner = true;
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mProfileOwnerName =
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getIntent().getStringExtra(DevicePolicyManager.EXTRA_PROFILE_OWNER_NAME);
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String callingPackage = getCallingPackage();
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if (callingPackage == null || !callingPackage.equals(who.getPackageName())) {
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Log.e(TAG, "Unknown or incorrect caller");
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finish();
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return;
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}
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try {
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PackageInfo packageInfo = packageManager.getPackageInfo(callingPackage, 0);
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if ((packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
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Log.e(TAG, "Cannot set a non-system app as a profile owner");
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finish();
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return;
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}
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} catch (NameNotFoundException nnfe) {
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Log.e(TAG, "Cannot find the package " + callingPackage);
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finish();
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return;
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}
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}
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ActivityInfo ai;
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try {
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ai = packageManager.getReceiverInfo(who, PackageManager.GET_META_DATA);
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} catch (PackageManager.NameNotFoundException e) {
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Log.w(TAG, "Unable to retrieve device policy " + who, e);
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finish();
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return;
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}
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// When activating, make sure the given component name is actually a valid device admin.
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// No need to check this when deactivating, because it is safe to deactivate an active
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// invalid device admin.
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if (!mDPM.isAdminActive(who)) {
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List<ResolveInfo> avail = packageManager.queryBroadcastReceivers(
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new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED),
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PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS);
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int count = avail == null ? 0 : avail.size();
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boolean found = false;
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for (int i=0; i<count; i++) {
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ResolveInfo ri = avail.get(i);
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if (ai.packageName.equals(ri.activityInfo.packageName)
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&& ai.name.equals(ri.activityInfo.name)) {
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try {
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// We didn't retrieve the meta data for all possible matches, so
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// need to use the activity info of this specific one that was retrieved.
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ri.activityInfo = ai;
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DeviceAdminInfo dpi = new DeviceAdminInfo(this, ri);
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found = true;
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} catch (XmlPullParserException e) {
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Log.w(TAG, "Bad " + ri.activityInfo, e);
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} catch (IOException e) {
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Log.w(TAG, "Bad " + ri.activityInfo, e);
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}
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break;
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}
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}
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if (!found) {
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Log.w(TAG, "Request to add invalid device admin: " + who);
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finish();
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return;
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}
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}
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ResolveInfo ri = new ResolveInfo();
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ri.activityInfo = ai;
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try {
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mDeviceAdmin = new DeviceAdminInfo(this, ri);
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} catch (XmlPullParserException e) {
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Log.w(TAG, "Unable to retrieve device policy " + who, e);
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finish();
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return;
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} catch (IOException e) {
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Log.w(TAG, "Unable to retrieve device policy " + who, e);
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finish();
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return;
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}
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// This admin already exists, an we have two options at this point. If new policy
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// bits are set, show the user the new list. If nothing has changed, simply return
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// "OK" immediately.
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if (DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN.equals(getIntent().getAction())) {
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mRefreshing = false;
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if (mDPM.isAdminActive(who)) {
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ArrayList<DeviceAdminInfo.PolicyInfo> newPolicies = mDeviceAdmin.getUsedPolicies();
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for (int i = 0; i < newPolicies.size(); i++) {
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DeviceAdminInfo.PolicyInfo pi = newPolicies.get(i);
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if (!mDPM.hasGrantedPolicy(who, pi.ident)) {
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mRefreshing = true;
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break;
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}
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}
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if (!mRefreshing) {
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// Nothing changed (or policies were removed) - return immediately
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setResult(Activity.RESULT_OK);
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finish();
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return;
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}
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}
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}
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// If we're trying to add a profile owner and user setup hasn't completed yet, no
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// need to prompt for permission. Just add and finish.
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if (mAddingProfileOwner && !mDPM.hasUserSetupCompleted()) {
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addAndFinish();
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return;
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}
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mAddMsgText = getIntent().getCharSequenceExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION);
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setContentView(R.layout.device_admin_add);
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mAdminIcon = (ImageView)findViewById(R.id.admin_icon);
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mAdminName = (TextView)findViewById(R.id.admin_name);
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mAdminDescription = (TextView)findViewById(R.id.admin_description);
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mProfileOwnerWarning = (TextView) findViewById(R.id.profile_owner_warning);
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mAddMsg = (TextView)findViewById(R.id.add_msg);
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mAddMsgExpander = (ImageView) findViewById(R.id.add_msg_expander);
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final View.OnClickListener onClickListener = new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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toggleMessageEllipsis(mAddMsg);
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}
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};
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mAddMsgExpander.setOnClickListener(onClickListener);
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mAddMsg.setOnClickListener(onClickListener);
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// Determine whether the message can be collapsed - getLineCount() gives the correct
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// number of lines only after a layout pass.
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mAddMsg.getViewTreeObserver().addOnGlobalLayoutListener(
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new ViewTreeObserver.OnGlobalLayoutListener() {
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@Override
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public void onGlobalLayout() {
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final int maxLines = getEllipsizedLines();
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// hide the icon if number of visible lines does not exceed maxLines
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boolean hideMsgExpander = mAddMsg.getLineCount() <= maxLines;
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mAddMsgExpander.setVisibility(hideMsgExpander ? View.GONE : View.VISIBLE);
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if (hideMsgExpander) {
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mAddMsg.setOnClickListener(null);
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((View)mAddMsgExpander.getParent()).invalidate();
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}
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mAddMsg.getViewTreeObserver().removeOnGlobalLayoutListener(this);
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}
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});
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// toggleMessageEllipsis also handles initial layout:
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toggleMessageEllipsis(mAddMsg);
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mAdminWarning = (TextView) findViewById(R.id.admin_warning);
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mAdminPolicies = (ViewGroup) findViewById(R.id.admin_policies);
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mSupportMessage = (TextView) findViewById(R.id.admin_support_message);
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mCancelButton = (Button) findViewById(R.id.cancel_button);
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mCancelButton.setFilterTouchesWhenObscured(true);
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mCancelButton.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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EventLog.writeEvent(EventLogTags.EXP_DET_DEVICE_ADMIN_DECLINED_BY_USER,
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mDeviceAdmin.getActivityInfo().applicationInfo.uid);
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finish();
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}
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});
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mActionButton = (Button) findViewById(R.id.action_button);
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mActionButton.setFilterTouchesWhenObscured(true);
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mActionButton.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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if (mAdding) {
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addAndFinish();
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} else if (isManagedProfile(mDeviceAdmin)
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&& mDeviceAdmin.getComponent().equals(mDPM.getProfileOwner())) {
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final int userId = UserHandle.myUserId();
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UserDialogs.createRemoveDialog(DeviceAdminAdd.this, userId,
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new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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UserManager um = UserManager.get(DeviceAdminAdd.this);
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um.removeUser(userId);
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finish();
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}
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}
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).show();
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} else if (!mWaitingForRemoveMsg) {
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try {
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// Don't allow the admin to put a dialog up in front
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// of us while we interact with the user.
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ActivityManagerNative.getDefault().stopAppSwitches();
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} catch (RemoteException e) {
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}
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mWaitingForRemoveMsg = true;
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mDPM.getRemoveWarning(mDeviceAdmin.getComponent(),
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new RemoteCallback(new RemoteCallback.OnResultListener() {
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@Override
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public void onResult(Bundle result) {
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CharSequence msg = result != null
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? result.getCharSequence(
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DeviceAdminReceiver.EXTRA_DISABLE_WARNING)
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: null;
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continueRemoveAction(msg);
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}
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}, mHandler));
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// Don't want to wait too long.
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getWindow().getDecorView().getHandler().postDelayed(new Runnable() {
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@Override public void run() {
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continueRemoveAction(null);
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}
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}, 2*1000);
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}
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}
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});
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}
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void addAndFinish() {
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try {
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mDPM.setActiveAdmin(mDeviceAdmin.getComponent(), mRefreshing);
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EventLog.writeEvent(EventLogTags.EXP_DET_DEVICE_ADMIN_ACTIVATED_BY_USER,
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mDeviceAdmin.getActivityInfo().applicationInfo.uid);
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setResult(Activity.RESULT_OK);
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} catch (RuntimeException e) {
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// Something bad happened... could be that it was
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// already set, though.
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Log.w(TAG, "Exception trying to activate admin "
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+ mDeviceAdmin.getComponent(), e);
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if (mDPM.isAdminActive(mDeviceAdmin.getComponent())) {
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setResult(Activity.RESULT_OK);
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}
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}
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if (mAddingProfileOwner) {
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try {
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mDPM.setProfileOwner(mDeviceAdmin.getComponent(),
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mProfileOwnerName, UserHandle.myUserId());
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} catch (RuntimeException re) {
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setResult(Activity.RESULT_CANCELED);
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}
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}
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finish();
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}
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void continueRemoveAction(CharSequence msg) {
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if (!mWaitingForRemoveMsg) {
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return;
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}
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mWaitingForRemoveMsg = false;
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if (msg == null) {
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try {
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ActivityManagerNative.getDefault().resumeAppSwitches();
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} catch (RemoteException e) {
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}
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mDPM.removeActiveAdmin(mDeviceAdmin.getComponent());
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finish();
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} else {
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try {
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// Continue preventing anything from coming in front.
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ActivityManagerNative.getDefault().stopAppSwitches();
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} catch (RemoteException e) {
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}
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Bundle args = new Bundle();
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args.putCharSequence(
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DeviceAdminReceiver.EXTRA_DISABLE_WARNING, msg);
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showDialog(DIALOG_WARNING, args);
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}
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}
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@Override
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protected void onResume() {
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super.onResume();
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updateInterface();
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// As long as we are running, don't let this admin overlay stuff on top of the screen.
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final int uid = mDeviceAdmin.getActivityInfo().applicationInfo.uid;
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final String pkg = mDeviceAdmin.getActivityInfo().applicationInfo.packageName;
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mCurSysAppOpMode = mAppOps.checkOp(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, uid, pkg);
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mCurToastAppOpMode = mAppOps.checkOp(AppOpsManager.OP_TOAST_WINDOW, uid, pkg);
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mAppOps.setMode(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, uid, pkg, AppOpsManager.MODE_IGNORED);
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mAppOps.setMode(AppOpsManager.OP_TOAST_WINDOW, uid, pkg, AppOpsManager.MODE_IGNORED);
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}
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@Override
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protected void onPause() {
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super.onPause();
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// As long as we are running, don't let this admin overlay stuff on top of the screen.
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final int uid = mDeviceAdmin.getActivityInfo().applicationInfo.uid;
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final String pkg = mDeviceAdmin.getActivityInfo().applicationInfo.packageName;
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mAppOps.setMode(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, uid, pkg, mCurSysAppOpMode);
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mAppOps.setMode(AppOpsManager.OP_TOAST_WINDOW, uid, pkg, mCurToastAppOpMode);
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try {
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ActivityManagerNative.getDefault().resumeAppSwitches();
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} catch (RemoteException e) {
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}
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}
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@Override
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protected Dialog onCreateDialog(int id, Bundle args) {
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switch (id) {
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case DIALOG_WARNING: {
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CharSequence msg = args.getCharSequence(DeviceAdminReceiver.EXTRA_DISABLE_WARNING);
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setMessage(msg);
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builder.setPositiveButton(R.string.dlg_ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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try {
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ActivityManagerNative.getDefault().resumeAppSwitches();
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} catch (RemoteException e) {
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}
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mDPM.removeActiveAdmin(mDeviceAdmin.getComponent());
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finish();
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}
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});
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builder.setNegativeButton(R.string.dlg_cancel, null);
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return builder.create();
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}
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default:
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return super.onCreateDialog(id, args);
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}
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}
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void updateInterface() {
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mAdminIcon.setImageDrawable(mDeviceAdmin.loadIcon(getPackageManager()));
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mAdminName.setText(mDeviceAdmin.loadLabel(getPackageManager()));
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try {
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mAdminDescription.setText(
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mDeviceAdmin.loadDescription(getPackageManager()));
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mAdminDescription.setVisibility(View.VISIBLE);
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} catch (Resources.NotFoundException e) {
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mAdminDescription.setVisibility(View.GONE);
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}
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if (mAddingProfileOwner) {
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mProfileOwnerWarning.setVisibility(View.VISIBLE);
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}
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if (mAddMsgText != null) {
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mAddMsg.setText(mAddMsgText);
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mAddMsg.setVisibility(View.VISIBLE);
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} else {
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mAddMsg.setVisibility(View.GONE);
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mAddMsgExpander.setVisibility(View.GONE);
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}
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if (!mRefreshing && !mAddingProfileOwner
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&& mDPM.isAdminActive(mDeviceAdmin.getComponent())) {
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mAdding = false;
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final boolean isProfileOwner =
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mDeviceAdmin.getComponent().equals(mDPM.getProfileOwner());
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final boolean isManagedProfile = isManagedProfile(mDeviceAdmin);
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if (isProfileOwner && isManagedProfile) {
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// Profile owner in a managed profile, user can remove profile to disable admin.
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mAdminWarning.setText(R.string.admin_profile_owner_message);
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mActionButton.setText(R.string.remove_managed_profile_label);
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} else if (isProfileOwner || mDeviceAdmin.getComponent().equals(
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mDPM.getDeviceOwnerComponentOnCallingUser())) {
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// Profile owner in a user or device owner, user can't disable admin.
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if (isProfileOwner) {
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// Show profile owner in a user description.
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mAdminWarning.setText(R.string.admin_profile_owner_user_message);
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} else {
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// Show device owner description.
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mAdminWarning.setText(R.string.admin_device_owner_message);
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}
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mActionButton.setText(R.string.remove_device_admin);
|
|
mActionButton.setEnabled(false);
|
|
} else {
|
|
addDeviceAdminPolicies(false /* showDescription */);
|
|
mAdminWarning.setText(getString(R.string.device_admin_status,
|
|
mDeviceAdmin.getActivityInfo().applicationInfo.loadLabel(
|
|
getPackageManager())));
|
|
setTitle(R.string.active_device_admin_msg);
|
|
mActionButton.setText(R.string.remove_device_admin);
|
|
}
|
|
String supportMessage = mDPM.getLongSupportMessageForUser(
|
|
mDeviceAdmin.getComponent(), UserHandle.myUserId());
|
|
if (!TextUtils.isEmpty(supportMessage)) {
|
|
mSupportMessage.setText(supportMessage);
|
|
mSupportMessage.setVisibility(View.VISIBLE);
|
|
} else {
|
|
mSupportMessage.setVisibility(View.GONE);
|
|
}
|
|
} else {
|
|
addDeviceAdminPolicies(true /* showDescription */);
|
|
mAdminWarning.setText(getString(R.string.device_admin_warning,
|
|
mDeviceAdmin.getActivityInfo().applicationInfo.loadLabel(getPackageManager())));
|
|
if (mAddingProfileOwner) {
|
|
setTitle(getText(R.string.profile_owner_add_title));
|
|
} else {
|
|
setTitle(getText(R.string.add_device_admin_msg));
|
|
}
|
|
mActionButton.setText(getText(R.string.add_device_admin));
|
|
mSupportMessage.setVisibility(View.GONE);
|
|
mAdding = true;
|
|
}
|
|
}
|
|
|
|
private void addDeviceAdminPolicies(boolean showDescription) {
|
|
if (!mAdminPoliciesInitialized) {
|
|
boolean isAdminUser = UserManager.get(this).isAdminUser();
|
|
for (DeviceAdminInfo.PolicyInfo pi : mDeviceAdmin.getUsedPolicies()) {
|
|
int descriptionId = isAdminUser ? pi.description : pi.descriptionForSecondaryUsers;
|
|
int labelId = isAdminUser ? pi.label : pi.labelForSecondaryUsers;
|
|
View view = AppSecurityPermissions.getPermissionItemView(this, getText(labelId),
|
|
showDescription ? getText(descriptionId) : "", true);
|
|
mAdminPolicies.addView(view);
|
|
}
|
|
mAdminPoliciesInitialized = true;
|
|
}
|
|
}
|
|
|
|
void toggleMessageEllipsis(View v) {
|
|
TextView tv = (TextView) v;
|
|
|
|
mAddMsgEllipsized = ! mAddMsgEllipsized;
|
|
tv.setEllipsize(mAddMsgEllipsized ? TruncateAt.END : null);
|
|
tv.setMaxLines(mAddMsgEllipsized ? getEllipsizedLines() : MAX_ADD_MSG_LINES);
|
|
|
|
mAddMsgExpander.setImageResource(mAddMsgEllipsized ?
|
|
com.android.internal.R.drawable.expander_ic_minimized :
|
|
com.android.internal.R.drawable.expander_ic_maximized);
|
|
}
|
|
|
|
int getEllipsizedLines() {
|
|
Display d = ((WindowManager) getSystemService(Context.WINDOW_SERVICE))
|
|
.getDefaultDisplay();
|
|
|
|
return d.getHeight() > d.getWidth() ?
|
|
MAX_ADD_MSG_LINES_PORTRAIT : MAX_ADD_MSG_LINES_LANDSCAPE;
|
|
}
|
|
|
|
/**
|
|
* @return true if adminInfo is running in a managed profile.
|
|
*/
|
|
private boolean isManagedProfile(DeviceAdminInfo adminInfo) {
|
|
UserManager um = UserManager.get(this);
|
|
UserInfo info = um.getUserInfo(
|
|
UserHandle.getUserId(adminInfo.getActivityInfo().applicationInfo.uid));
|
|
return info != null ? info.isManagedProfile() : false;
|
|
}
|
|
}
|