1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings; 18 19 import android.app.Activity; 20 import android.app.ActivityManagerNative; 21 import android.app.AlertDialog; 22 import android.app.AppOpsManager; 23 import android.app.Dialog; 24 import android.app.admin.DeviceAdminInfo; 25 import android.app.admin.DeviceAdminReceiver; 26 import android.app.admin.DevicePolicyManager; 27 import android.content.ComponentName; 28 import android.content.Context; 29 import android.content.DialogInterface; 30 import android.content.Intent; 31 import android.content.pm.ActivityInfo; 32 import android.content.pm.ApplicationInfo; 33 import android.content.pm.PackageInfo; 34 import android.content.pm.PackageManager; 35 import android.content.pm.PackageManager.NameNotFoundException; 36 import android.content.pm.ResolveInfo; 37 import android.content.pm.UserInfo; 38 import android.content.res.Resources; 39 import android.net.Uri; 40 import android.os.Binder; 41 import android.os.Bundle; 42 import android.os.Handler; 43 import android.os.RemoteCallback; 44 import android.os.RemoteException; 45 import android.os.UserHandle; 46 import android.os.UserManager; 47 import android.text.TextUtils; 48 import android.text.TextUtils.TruncateAt; 49 import android.util.EventLog; 50 import android.util.Log; 51 import android.view.Display; 52 import android.view.View; 53 import android.view.ViewGroup; 54 import android.view.ViewTreeObserver; 55 import android.view.WindowManager; 56 import android.widget.AppSecurityPermissions; 57 import android.widget.Button; 58 import android.widget.ImageView; 59 import android.widget.TextView; 60 61 import com.android.settings.users.UserDialogs; 62 63 import org.xmlpull.v1.XmlPullParserException; 64 65 import java.io.IOException; 66 import java.util.ArrayList; 67 import java.util.List; 68 69 public class DeviceAdminAdd extends Activity { 70 static final String TAG = "DeviceAdminAdd"; 71 72 static final int DIALOG_WARNING = 1; 73 74 private static final int MAX_ADD_MSG_LINES_PORTRAIT = 5; 75 private static final int MAX_ADD_MSG_LINES_LANDSCAPE = 2; 76 private static final int MAX_ADD_MSG_LINES = 15; 77 78 /** 79 * Optional key to map to the package name of the Device Admin. 80 * Currently only used when uninstalling an active device admin. 81 */ 82 public static final String EXTRA_DEVICE_ADMIN_PACKAGE_NAME = 83 "android.app.extra.DEVICE_ADMIN_PACKAGE_NAME"; 84 85 public static final String EXTRA_CALLED_FROM_SUPPORT_DIALOG = 86 "android.app.extra.CALLED_FROM_SUPPORT_DIALOG"; 87 88 Handler mHandler; 89 90 DevicePolicyManager mDPM; 91 AppOpsManager mAppOps; 92 DeviceAdminInfo mDeviceAdmin; 93 CharSequence mAddMsgText; 94 String mProfileOwnerName; 95 96 ImageView mAdminIcon; 97 TextView mAdminName; 98 TextView mAdminDescription; 99 TextView mAddMsg; 100 TextView mProfileOwnerWarning; 101 ImageView mAddMsgExpander; 102 boolean mAddMsgEllipsized = true; 103 TextView mAdminWarning; 104 TextView mSupportMessage; 105 ViewGroup mAdminPolicies; 106 Button mActionButton; 107 Button mUninstallButton; 108 Button mCancelButton; 109 110 boolean mUninstalling = false; 111 boolean mAdding; 112 boolean mRefreshing; 113 boolean mWaitingForRemoveMsg; 114 boolean mAddingProfileOwner; 115 boolean mAdminPoliciesInitialized; 116 int mCurSysAppOpMode; 117 int mCurToastAppOpMode; 118 119 boolean mIsCalledFromSupportDialog = false; 120 121 @Override 122 protected void onCreate(Bundle icicle) { 123 super.onCreate(icicle); 124 125 mHandler = new Handler(getMainLooper()); 126 127 mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE); 128 mAppOps = (AppOpsManager)getSystemService(Context.APP_OPS_SERVICE); 129 PackageManager packageManager = getPackageManager(); 130 131 if ((getIntent().getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { 132 Log.w(TAG, "Cannot start ADD_DEVICE_ADMIN as a new task"); 133 finish(); 134 return; 135 } 136 137 mIsCalledFromSupportDialog = getIntent().getBooleanExtra( 138 EXTRA_CALLED_FROM_SUPPORT_DIALOG, false); 139 140 String action = getIntent().getAction(); 141 ComponentName who = (ComponentName)getIntent().getParcelableExtra( 142 DevicePolicyManager.EXTRA_DEVICE_ADMIN); 143 if (who == null) { 144 String packageName = getIntent().getStringExtra(EXTRA_DEVICE_ADMIN_PACKAGE_NAME); 145 for (ComponentName component : mDPM.getActiveAdmins()) { 146 if (component.getPackageName().equals(packageName)) { 147 who = component; 148 mUninstalling = true; 149 break; 150 } 151 } 152 if (who == null) { 153 Log.w(TAG, "No component specified in " + action); 154 finish(); 155 return; 156 } 157 } 158 159 if (action != null && action.equals(DevicePolicyManager.ACTION_SET_PROFILE_OWNER)) { 160 setResult(RESULT_CANCELED); 161 setFinishOnTouchOutside(true); 162 mAddingProfileOwner = true; 163 mProfileOwnerName = 164 getIntent().getStringExtra(DevicePolicyManager.EXTRA_PROFILE_OWNER_NAME); 165 String callingPackage = getCallingPackage(); 166 if (callingPackage == null || !callingPackage.equals(who.getPackageName())) { 167 Log.e(TAG, "Unknown or incorrect caller"); 168 finish(); 169 return; 170 } 171 try { 172 PackageInfo packageInfo = packageManager.getPackageInfo(callingPackage, 0); 173 if ((packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { 174 Log.e(TAG, "Cannot set a non-system app as a profile owner"); 175 finish(); 176 return; 177 } 178 } catch (NameNotFoundException nnfe) { 179 Log.e(TAG, "Cannot find the package " + callingPackage); 180 finish(); 181 return; 182 } 183 } 184 185 ActivityInfo ai; 186 try { 187 ai = packageManager.getReceiverInfo(who, PackageManager.GET_META_DATA); 188 } catch (PackageManager.NameNotFoundException e) { 189 Log.w(TAG, "Unable to retrieve device policy " + who, e); 190 finish(); 191 return; 192 } 193 194 // When activating, make sure the given component name is actually a valid device admin. 195 // No need to check this when deactivating, because it is safe to deactivate an active 196 // invalid device admin. 197 if (!mDPM.isAdminActive(who)) { 198 List<ResolveInfo> avail = packageManager.queryBroadcastReceivers( 199 new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED), 200 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS); 201 int count = avail == null ? 0 : avail.size(); 202 boolean found = false; 203 for (int i=0; i<count; i++) { 204 ResolveInfo ri = avail.get(i); 205 if (ai.packageName.equals(ri.activityInfo.packageName) 206 && ai.name.equals(ri.activityInfo.name)) { 207 try { 208 // We didn't retrieve the meta data for all possible matches, so 209 // need to use the activity info of this specific one that was retrieved. 210 ri.activityInfo = ai; 211 DeviceAdminInfo dpi = new DeviceAdminInfo(this, ri); 212 found = true; 213 } catch (XmlPullParserException e) { 214 Log.w(TAG, "Bad " + ri.activityInfo, e); 215 } catch (IOException e) { 216 Log.w(TAG, "Bad " + ri.activityInfo, e); 217 } 218 break; 219 } 220 } 221 if (!found) { 222 Log.w(TAG, "Request to add invalid device admin: " + who); 223 finish(); 224 return; 225 } 226 } 227 228 ResolveInfo ri = new ResolveInfo(); 229 ri.activityInfo = ai; 230 try { 231 mDeviceAdmin = new DeviceAdminInfo(this, ri); 232 } catch (XmlPullParserException e) { 233 Log.w(TAG, "Unable to retrieve device policy " + who, e); 234 finish(); 235 return; 236 } catch (IOException e) { 237 Log.w(TAG, "Unable to retrieve device policy " + who, e); 238 finish(); 239 return; 240 } 241 242 // This admin already exists, an we have two options at this point. If new policy 243 // bits are set, show the user the new list. If nothing has changed, simply return 244 // "OK" immediately. 245 if (DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN.equals(getIntent().getAction())) { 246 mRefreshing = false; 247 if (mDPM.isAdminActive(who)) { 248 if (mDPM.isRemovingAdmin(who, android.os.Process.myUserHandle().getIdentifier())) { 249 Log.w(TAG, "Requested admin is already being removed: " + who); 250 finish(); 251 return; 252 } 253 254 ArrayList<DeviceAdminInfo.PolicyInfo> newPolicies = mDeviceAdmin.getUsedPolicies(); 255 for (int i = 0; i < newPolicies.size(); i++) { 256 DeviceAdminInfo.PolicyInfo pi = newPolicies.get(i); 257 if (!mDPM.hasGrantedPolicy(who, pi.ident)) { 258 mRefreshing = true; 259 break; 260 } 261 } 262 if (!mRefreshing) { 263 // Nothing changed (or policies were removed) - return immediately 264 setResult(Activity.RESULT_OK); 265 finish(); 266 return; 267 } 268 } 269 } 270 271 // If we're trying to add a profile owner and user setup hasn't completed yet, no 272 // need to prompt for permission. Just add and finish. 273 if (mAddingProfileOwner && !mDPM.hasUserSetupCompleted()) { 274 addAndFinish(); 275 return; 276 } 277 278 mAddMsgText = getIntent().getCharSequenceExtra(DevicePolicyManager.EXTRA_ADD_EXPLANATION); 279 280 setContentView(R.layout.device_admin_add); 281 282 mAdminIcon = (ImageView)findViewById(R.id.admin_icon); 283 mAdminName = (TextView)findViewById(R.id.admin_name); 284 mAdminDescription = (TextView)findViewById(R.id.admin_description); 285 mProfileOwnerWarning = (TextView) findViewById(R.id.profile_owner_warning); 286 287 mAddMsg = (TextView)findViewById(R.id.add_msg); 288 mAddMsgExpander = (ImageView) findViewById(R.id.add_msg_expander); 289 final View.OnClickListener onClickListener = new View.OnClickListener() { 290 @Override 291 public void onClick(View v) { 292 toggleMessageEllipsis(mAddMsg); 293 } 294 }; 295 mAddMsgExpander.setOnClickListener(onClickListener); 296 mAddMsg.setOnClickListener(onClickListener); 297 298 // Determine whether the message can be collapsed - getLineCount() gives the correct 299 // number of lines only after a layout pass. 300 mAddMsg.getViewTreeObserver().addOnGlobalLayoutListener( 301 new ViewTreeObserver.OnGlobalLayoutListener() { 302 @Override 303 public void onGlobalLayout() { 304 final int maxLines = getEllipsizedLines(); 305 // hide the icon if number of visible lines does not exceed maxLines 306 boolean hideMsgExpander = mAddMsg.getLineCount() <= maxLines; 307 mAddMsgExpander.setVisibility(hideMsgExpander ? View.GONE : View.VISIBLE); 308 if (hideMsgExpander) { 309 mAddMsg.setOnClickListener(null); 310 ((View)mAddMsgExpander.getParent()).invalidate(); 311 } 312 mAddMsg.getViewTreeObserver().removeOnGlobalLayoutListener(this); 313 } 314 }); 315 316 // toggleMessageEllipsis also handles initial layout: 317 toggleMessageEllipsis(mAddMsg); 318 319 mAdminWarning = (TextView) findViewById(R.id.admin_warning); 320 mAdminPolicies = (ViewGroup) findViewById(R.id.admin_policies); 321 mSupportMessage = (TextView) findViewById(R.id.admin_support_message); 322 323 mCancelButton = (Button) findViewById(R.id.cancel_button); 324 mCancelButton.setFilterTouchesWhenObscured(true); 325 mCancelButton.setOnClickListener(new View.OnClickListener() { 326 public void onClick(View v) { 327 EventLog.writeEvent(EventLogTags.EXP_DET_DEVICE_ADMIN_DECLINED_BY_USER, 328 mDeviceAdmin.getActivityInfo().applicationInfo.uid); 329 finish(); 330 } 331 }); 332 333 mUninstallButton = (Button) findViewById(R.id.uninstall_button); 334 mUninstallButton.setFilterTouchesWhenObscured(true); 335 mUninstallButton.setOnClickListener(new View.OnClickListener() { 336 public void onClick(View v) { 337 EventLog.writeEvent(EventLogTags.EXP_DET_DEVICE_ADMIN_UNINSTALLED_BY_USER, 338 mDeviceAdmin.getActivityInfo().applicationInfo.uid); 339 mDPM.uninstallPackageWithActiveAdmins(mDeviceAdmin.getPackageName()); 340 finish(); 341 } 342 }); 343 344 mActionButton = (Button) findViewById(R.id.action_button); 345 mActionButton.setFilterTouchesWhenObscured(true); 346 mActionButton.setOnClickListener(new View.OnClickListener() { 347 public void onClick(View v) { 348 if (mAdding) { 349 addAndFinish(); 350 } else if (isManagedProfile(mDeviceAdmin) 351 && mDeviceAdmin.getComponent().equals(mDPM.getProfileOwner())) { 352 final int userId = UserHandle.myUserId(); 353 UserDialogs.createRemoveDialog(DeviceAdminAdd.this, userId, 354 new DialogInterface.OnClickListener() { 355 @Override 356 public void onClick(DialogInterface dialog, int which) { 357 UserManager um = UserManager.get(DeviceAdminAdd.this); 358 um.removeUser(userId); 359 finish(); 360 } 361 } 362 ).show(); 363 } else if (mUninstalling) { 364 mDPM.uninstallPackageWithActiveAdmins(mDeviceAdmin.getPackageName()); 365 finish(); 366 } else if (!mWaitingForRemoveMsg) { 367 try { 368 // Don't allow the admin to put a dialog up in front 369 // of us while we interact with the user. 370 ActivityManagerNative.getDefault().stopAppSwitches(); 371 } catch (RemoteException e) { 372 } 373 mWaitingForRemoveMsg = true; 374 mDPM.getRemoveWarning(mDeviceAdmin.getComponent(), 375 new RemoteCallback(new RemoteCallback.OnResultListener() { 376 @Override 377 public void onResult(Bundle result) { 378 CharSequence msg = result != null 379 ? result.getCharSequence( 380 DeviceAdminReceiver.EXTRA_DISABLE_WARNING) 381 : null; 382 continueRemoveAction(msg); 383 } 384 }, mHandler)); 385 // Don't want to wait too long. 386 getWindow().getDecorView().getHandler().postDelayed(new Runnable() { 387 @Override public void run() { 388 continueRemoveAction(null); 389 } 390 }, 2*1000); 391 } 392 } 393 }); 394 } 395 396 void addAndFinish() { 397 try { 398 mDPM.setActiveAdmin(mDeviceAdmin.getComponent(), mRefreshing); 399 EventLog.writeEvent(EventLogTags.EXP_DET_DEVICE_ADMIN_ACTIVATED_BY_USER, 400 mDeviceAdmin.getActivityInfo().applicationInfo.uid); 401 setResult(Activity.RESULT_OK); 402 } catch (RuntimeException e) { 403 // Something bad happened... could be that it was 404 // already set, though. 405 Log.w(TAG, "Exception trying to activate admin " 406 + mDeviceAdmin.getComponent(), e); 407 if (mDPM.isAdminActive(mDeviceAdmin.getComponent())) { 408 setResult(Activity.RESULT_OK); 409 } 410 } 411 if (mAddingProfileOwner) { 412 try { 413 mDPM.setProfileOwner(mDeviceAdmin.getComponent(), 414 mProfileOwnerName, UserHandle.myUserId()); 415 } catch (RuntimeException re) { 416 setResult(Activity.RESULT_CANCELED); 417 } 418 } 419 finish(); 420 } 421 422 void continueRemoveAction(CharSequence msg) { 423 if (!mWaitingForRemoveMsg) { 424 return; 425 } 426 mWaitingForRemoveMsg = false; 427 if (msg == null) { 428 try { 429 ActivityManagerNative.getDefault().resumeAppSwitches(); 430 } catch (RemoteException e) { 431 } 432 mDPM.removeActiveAdmin(mDeviceAdmin.getComponent()); 433 finish(); 434 } else { 435 try { 436 // Continue preventing anything from coming in front. 437 ActivityManagerNative.getDefault().stopAppSwitches(); 438 } catch (RemoteException e) { 439 } 440 Bundle args = new Bundle(); 441 args.putCharSequence( 442 DeviceAdminReceiver.EXTRA_DISABLE_WARNING, msg); 443 showDialog(DIALOG_WARNING, args); 444 } 445 } 446 447 @Override 448 protected void onResume() { 449 super.onResume(); 450 updateInterface(); 451 // As long as we are running, don't let this admin overlay stuff on top of the screen. 452 final int uid = mDeviceAdmin.getActivityInfo().applicationInfo.uid; 453 final String pkg = mDeviceAdmin.getActivityInfo().applicationInfo.packageName; 454 mCurSysAppOpMode = mAppOps.checkOp(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, uid, pkg); 455 mCurToastAppOpMode = mAppOps.checkOp(AppOpsManager.OP_TOAST_WINDOW, uid, pkg); 456 mAppOps.setMode(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, uid, pkg, AppOpsManager.MODE_IGNORED); 457 mAppOps.setMode(AppOpsManager.OP_TOAST_WINDOW, uid, pkg, AppOpsManager.MODE_IGNORED); 458 } 459 460 @Override 461 protected void onPause() { 462 super.onPause(); 463 // As long as we are running, don't let this admin overlay stuff on top of the screen. 464 final int uid = mDeviceAdmin.getActivityInfo().applicationInfo.uid; 465 final String pkg = mDeviceAdmin.getActivityInfo().applicationInfo.packageName; 466 mAppOps.setMode(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, uid, pkg, mCurSysAppOpMode); 467 mAppOps.setMode(AppOpsManager.OP_TOAST_WINDOW, uid, pkg, mCurToastAppOpMode); 468 try { 469 ActivityManagerNative.getDefault().resumeAppSwitches(); 470 } catch (RemoteException e) { 471 } 472 } 473 474 @Override 475 protected void onUserLeaveHint() { 476 super.onUserLeaveHint(); 477 // In case this is triggered from support dialog, finish this activity once the user leaves 478 // so that this won't appear as a background next time support dialog is triggered. This 479 // is because the support dialog activity and this belong to the same task and we can't 480 // start this in new activity since we need to know the calling package in this activity. 481 if (mIsCalledFromSupportDialog) { 482 finish(); 483 } 484 } 485 486 @Override 487 protected Dialog onCreateDialog(int id, Bundle args) { 488 switch (id) { 489 case DIALOG_WARNING: { 490 CharSequence msg = args.getCharSequence(DeviceAdminReceiver.EXTRA_DISABLE_WARNING); 491 AlertDialog.Builder builder = new AlertDialog.Builder(this); 492 builder.setMessage(msg); 493 builder.setPositiveButton(R.string.dlg_ok, 494 new DialogInterface.OnClickListener() { 495 public void onClick(DialogInterface dialog, int which) { 496 try { 497 ActivityManagerNative.getDefault().resumeAppSwitches(); 498 } catch (RemoteException e) { 499 } 500 mDPM.removeActiveAdmin(mDeviceAdmin.getComponent()); 501 finish(); 502 } 503 }); 504 builder.setNegativeButton(R.string.dlg_cancel, null); 505 return builder.create(); 506 } 507 default: 508 return super.onCreateDialog(id, args); 509 510 } 511 } 512 513 void updateInterface() { 514 mAdminIcon.setImageDrawable(mDeviceAdmin.loadIcon(getPackageManager())); 515 mAdminName.setText(mDeviceAdmin.loadLabel(getPackageManager())); 516 try { 517 mAdminDescription.setText( 518 mDeviceAdmin.loadDescription(getPackageManager())); 519 mAdminDescription.setVisibility(View.VISIBLE); 520 } catch (Resources.NotFoundException e) { 521 mAdminDescription.setVisibility(View.GONE); 522 } 523 if (mAddingProfileOwner) { 524 mProfileOwnerWarning.setVisibility(View.VISIBLE); 525 } 526 if (mAddMsgText != null) { 527 mAddMsg.setText(mAddMsgText); 528 mAddMsg.setVisibility(View.VISIBLE); 529 } else { 530 mAddMsg.setVisibility(View.GONE); 531 mAddMsgExpander.setVisibility(View.GONE); 532 } 533 if (!mRefreshing && !mAddingProfileOwner 534 && mDPM.isAdminActive(mDeviceAdmin.getComponent())) { 535 mAdding = false; 536 final boolean isProfileOwner = 537 mDeviceAdmin.getComponent().equals(mDPM.getProfileOwner()); 538 final boolean isManagedProfile = isManagedProfile(mDeviceAdmin); 539 if (isProfileOwner && isManagedProfile) { 540 // Profile owner in a managed profile, user can remove profile to disable admin. 541 mAdminWarning.setText(R.string.admin_profile_owner_message); 542 mActionButton.setText(R.string.remove_managed_profile_label); 543 } else if (isProfileOwner || mDeviceAdmin.getComponent().equals( 544 mDPM.getDeviceOwnerComponentOnCallingUser())) { 545 // Profile owner in a user or device owner, user can't disable admin. 546 if (isProfileOwner) { 547 // Show profile owner in a user description. 548 mAdminWarning.setText(R.string.admin_profile_owner_user_message); 549 } else { 550 // Show device owner description. 551 mAdminWarning.setText(R.string.admin_device_owner_message); 552 } 553 mActionButton.setText(R.string.remove_device_admin); 554 mActionButton.setEnabled(false); 555 } else { 556 addDeviceAdminPolicies(false /* showDescription */); 557 mAdminWarning.setText(getString(R.string.device_admin_status, 558 mDeviceAdmin.getActivityInfo().applicationInfo.loadLabel( 559 getPackageManager()))); 560 setTitle(R.string.active_device_admin_msg); 561 if (mUninstalling) { 562 mActionButton.setText(R.string.remove_and_uninstall_device_admin); 563 } else { 564 mActionButton.setText(R.string.remove_device_admin); 565 } 566 } 567 CharSequence supportMessage = mDPM.getLongSupportMessageForUser( 568 mDeviceAdmin.getComponent(), UserHandle.myUserId()); 569 if (!TextUtils.isEmpty(supportMessage)) { 570 mSupportMessage.setText(supportMessage); 571 mSupportMessage.setVisibility(View.VISIBLE); 572 } else { 573 mSupportMessage.setVisibility(View.GONE); 574 } 575 } else { 576 addDeviceAdminPolicies(true /* showDescription */); 577 mAdminWarning.setText(getString(R.string.device_admin_warning, 578 mDeviceAdmin.getActivityInfo().applicationInfo.loadLabel(getPackageManager()))); 579 if (mAddingProfileOwner) { 580 setTitle(getText(R.string.profile_owner_add_title)); 581 } else { 582 setTitle(getText(R.string.add_device_admin_msg)); 583 } 584 mActionButton.setText(getText(R.string.add_device_admin)); 585 if (isAdminUninstallable()) { 586 mUninstallButton.setVisibility(View.VISIBLE); 587 } 588 mSupportMessage.setVisibility(View.GONE); 589 mAdding = true; 590 } 591 } 592 593 private void addDeviceAdminPolicies(boolean showDescription) { 594 if (!mAdminPoliciesInitialized) { 595 boolean isAdminUser = UserManager.get(this).isAdminUser(); 596 for (DeviceAdminInfo.PolicyInfo pi : mDeviceAdmin.getUsedPolicies()) { 597 int descriptionId = isAdminUser ? pi.description : pi.descriptionForSecondaryUsers; 598 int labelId = isAdminUser ? pi.label : pi.labelForSecondaryUsers; 599 View view = AppSecurityPermissions.getPermissionItemView(this, getText(labelId), 600 showDescription ? getText(descriptionId) : "", true); 601 mAdminPolicies.addView(view); 602 } 603 mAdminPoliciesInitialized = true; 604 } 605 } 606 607 void toggleMessageEllipsis(View v) { 608 TextView tv = (TextView) v; 609 610 mAddMsgEllipsized = ! mAddMsgEllipsized; 611 tv.setEllipsize(mAddMsgEllipsized ? TruncateAt.END : null); 612 tv.setMaxLines(mAddMsgEllipsized ? getEllipsizedLines() : MAX_ADD_MSG_LINES); 613 614 mAddMsgExpander.setImageResource(mAddMsgEllipsized ? 615 com.android.internal.R.drawable.expander_ic_minimized : 616 com.android.internal.R.drawable.expander_ic_maximized); 617 } 618 619 int getEllipsizedLines() { 620 Display d = ((WindowManager) getSystemService(Context.WINDOW_SERVICE)) 621 .getDefaultDisplay(); 622 623 return d.getHeight() > d.getWidth() ? 624 MAX_ADD_MSG_LINES_PORTRAIT : MAX_ADD_MSG_LINES_LANDSCAPE; 625 } 626 627 /** 628 * @return true if adminInfo is running in a managed profile. 629 */ 630 private boolean isManagedProfile(DeviceAdminInfo adminInfo) { 631 UserManager um = UserManager.get(this); 632 UserInfo info = um.getUserInfo( 633 UserHandle.getUserId(adminInfo.getActivityInfo().applicationInfo.uid)); 634 return info != null ? info.isManagedProfile() : false; 635 } 636 637 private boolean isAdminUninstallable() { 638 // System apps can't be uninstalled. 639 return !mDeviceAdmin.getActivityInfo().applicationInfo.isSystemApp(); 640 } 641 } 642