1 /* 2 ** 3 ** Copyright 2007, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 package com.android.packageinstaller; 18 19 import android.app.Activity; 20 import android.app.ActivityManagerNative; 21 import android.app.AlertDialog; 22 import android.app.Dialog; 23 import android.content.Context; 24 import android.content.DialogInterface; 25 import android.content.DialogInterface.OnCancelListener; 26 import android.content.Intent; 27 import android.content.SharedPreferences; 28 import android.content.pm.ApplicationInfo; 29 import android.content.pm.ManifestDigest; 30 import android.content.pm.PackageInfo; 31 import android.content.pm.PackageManager; 32 import android.content.pm.PackageManager.NameNotFoundException; 33 import android.content.pm.PackageParser; 34 import android.content.pm.PackageUserState; 35 import android.content.pm.ResolveInfo; 36 import android.content.pm.VerificationParams; 37 import android.net.Uri; 38 import android.os.Bundle; 39 import android.os.SystemClock; 40 import android.provider.Settings; 41 import android.support.v4.view.ViewPager; 42 import android.util.EventLog; 43 import android.util.Log; 44 import android.view.LayoutInflater; 45 import android.view.View; 46 import android.view.View.OnClickListener; 47 import android.view.ViewGroup; 48 import android.widget.AppSecurityPermissions; 49 import android.widget.Button; 50 import android.widget.TabHost; 51 import android.widget.TextView; 52 53 import java.io.File; 54 import java.io.Serializable; 55 import java.util.List; 56 57 /* 58 * This activity is launched when a new application is installed via side loading 59 * The package is first parsed and the user is notified of parse errors via a dialog. 60 * If the package is successfully parsed, the user is notified to turn on the install unknown 61 * applications setting. A memory check is made at this point and the user is notified of out 62 * of memory conditions if any. If the package is already existing on the device, 63 * a confirmation dialog (to replace the existing package) is presented to the user. 64 * Based on the user response the package is then installed by launching InstallAppConfirm 65 * sub activity. All state transitions are handled in this activity 66 */ 67 public class PackageInstallerActivity extends Activity implements OnCancelListener, OnClickListener { 68 private static final String TAG = "PackageInstaller"; 69 private Uri mPackageURI; 70 private Uri mOriginatingURI; 71 private Uri mReferrerURI; 72 private int mOriginatingUid = VerificationParams.NO_UID; 73 private ManifestDigest mPkgDigest; 74 75 private boolean localLOGV = false; 76 PackageManager mPm; 77 PackageInfo mPkgInfo; 78 ApplicationInfo mSourceInfo; 79 80 // ApplicationInfo object primarily used for already existing applications 81 private ApplicationInfo mAppInfo = null; 82 83 private InstallFlowAnalytics mInstallFlowAnalytics; 84 85 // View for install progress 86 View mInstallConfirm; 87 // Buttons to indicate user acceptance 88 private Button mOk; 89 private Button mCancel; 90 CaffeinatedScrollView mScrollView = null; 91 private boolean mOkCanInstall = false; 92 93 static final String PREFS_ALLOWED_SOURCES = "allowed_sources"; 94 95 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 96 97 private static final String TAB_ID_ALL = "all"; 98 private static final String TAB_ID_NEW = "new"; 99 100 // Dialog identifiers used in showDialog 101 private static final int DLG_BASE = 0; 102 private static final int DLG_UNKNOWN_APPS = DLG_BASE + 1; 103 private static final int DLG_PACKAGE_ERROR = DLG_BASE + 2; 104 private static final int DLG_OUT_OF_SPACE = DLG_BASE + 3; 105 private static final int DLG_INSTALL_ERROR = DLG_BASE + 4; 106 private static final int DLG_ALLOW_SOURCE = DLG_BASE + 5; 107 108 private void startInstallConfirm() { 109 TabHost tabHost = (TabHost)findViewById(android.R.id.tabhost); 110 tabHost.setup(); 111 ViewPager viewPager = (ViewPager)findViewById(R.id.pager); 112 TabsAdapter adapter = new TabsAdapter(this, tabHost, viewPager); 113 adapter.setOnTabChangedListener(new TabHost.OnTabChangeListener() { 114 @Override 115 public void onTabChanged(String tabId) { 116 if (TAB_ID_ALL.equals(tabId)) { 117 mInstallFlowAnalytics.setAllPermissionsDisplayed(true); 118 } else if (TAB_ID_NEW.equals(tabId)) { 119 mInstallFlowAnalytics.setNewPermissionsDisplayed(true); 120 } 121 } 122 }); 123 124 boolean permVisible = false; 125 mScrollView = null; 126 mOkCanInstall = false; 127 int msg = 0; 128 if (mPkgInfo != null) { 129 AppSecurityPermissions perms = new AppSecurityPermissions(this, mPkgInfo); 130 final int NP = perms.getPermissionCount(AppSecurityPermissions.WHICH_PERSONAL); 131 final int ND = perms.getPermissionCount(AppSecurityPermissions.WHICH_DEVICE); 132 if (mAppInfo != null) { 133 msg = (mAppInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0 134 ? R.string.install_confirm_question_update_system 135 : R.string.install_confirm_question_update; 136 mScrollView = new CaffeinatedScrollView(this); 137 mScrollView.setFillViewport(true); 138 boolean newPermissionsFound = 139 (perms.getPermissionCount(AppSecurityPermissions.WHICH_NEW) > 0); 140 mInstallFlowAnalytics.setNewPermissionsFound(newPermissionsFound); 141 if (newPermissionsFound) { 142 permVisible = true; 143 mScrollView.addView(perms.getPermissionsView( 144 AppSecurityPermissions.WHICH_NEW)); 145 } else { 146 LayoutInflater inflater = (LayoutInflater)getSystemService( 147 Context.LAYOUT_INFLATER_SERVICE); 148 TextView label = (TextView)inflater.inflate(R.layout.label, null); 149 label.setText(R.string.no_new_perms); 150 mScrollView.addView(label); 151 } 152 adapter.addTab(tabHost.newTabSpec(TAB_ID_NEW).setIndicator( 153 getText(R.string.newPerms)), mScrollView); 154 } else { 155 findViewById(R.id.tabscontainer).setVisibility(View.GONE); 156 findViewById(R.id.divider).setVisibility(View.VISIBLE); 157 } 158 if (NP > 0 || ND > 0) { 159 permVisible = true; 160 LayoutInflater inflater = (LayoutInflater)getSystemService( 161 Context.LAYOUT_INFLATER_SERVICE); 162 View root = inflater.inflate(R.layout.permissions_list, null); 163 if (mScrollView == null) { 164 mScrollView = (CaffeinatedScrollView)root.findViewById(R.id.scrollview); 165 } 166 if (NP > 0) { 167 ((ViewGroup)root.findViewById(R.id.privacylist)).addView( 168 perms.getPermissionsView(AppSecurityPermissions.WHICH_PERSONAL)); 169 } else { 170 root.findViewById(R.id.privacylist).setVisibility(View.GONE); 171 } 172 if (ND > 0) { 173 ((ViewGroup)root.findViewById(R.id.devicelist)).addView( 174 perms.getPermissionsView(AppSecurityPermissions.WHICH_DEVICE)); 175 } else { 176 root.findViewById(R.id.devicelist).setVisibility(View.GONE); 177 } 178 adapter.addTab(tabHost.newTabSpec(TAB_ID_ALL).setIndicator( 179 getText(R.string.allPerms)), root); 180 } 181 } 182 mInstallFlowAnalytics.setPermissionsDisplayed(permVisible); 183 if (!permVisible) { 184 if (mAppInfo != null) { 185 // This is an update to an application, but there are no 186 // permissions at all. 187 msg = (mAppInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0 188 ? R.string.install_confirm_question_update_system_no_perms 189 : R.string.install_confirm_question_update_no_perms; 190 } else { 191 // This is a new application with no permissions. 192 msg = R.string.install_confirm_question_no_perms; 193 } 194 tabHost.setVisibility(View.GONE); 195 mInstallFlowAnalytics.setAllPermissionsDisplayed(false); 196 mInstallFlowAnalytics.setNewPermissionsDisplayed(false); 197 findViewById(R.id.filler).setVisibility(View.VISIBLE); 198 findViewById(R.id.divider).setVisibility(View.GONE); 199 mScrollView = null; 200 } 201 if (msg != 0) { 202 ((TextView)findViewById(R.id.install_confirm_question)).setText(msg); 203 } 204 mInstallConfirm.setVisibility(View.VISIBLE); 205 mOk = (Button)findViewById(R.id.ok_button); 206 mCancel = (Button)findViewById(R.id.cancel_button); 207 mOk.setOnClickListener(this); 208 mCancel.setOnClickListener(this); 209 if (mScrollView == null) { 210 // There is nothing to scroll view, so the ok button is immediately 211 // set to install. 212 mOk.setText(R.string.install); 213 mOkCanInstall = true; 214 } else { 215 mScrollView.setFullScrollAction(new Runnable() { 216 @Override 217 public void run() { 218 mOk.setText(R.string.install); 219 mOkCanInstall = true; 220 } 221 }); 222 } 223 } 224 225 private void showDialogInner(int id) { 226 // TODO better fix for this? Remove dialog so that it gets created again 227 removeDialog(id); 228 showDialog(id); 229 } 230 231 @Override 232 public Dialog onCreateDialog(int id, Bundle bundle) { 233 switch (id) { 234 case DLG_UNKNOWN_APPS: 235 return new AlertDialog.Builder(this) 236 .setTitle(R.string.unknown_apps_dlg_title) 237 .setMessage(R.string.unknown_apps_dlg_text) 238 .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { 239 public void onClick(DialogInterface dialog, int which) { 240 Log.i(TAG, "Finishing off activity so that user can navigate to settings manually"); 241 finish(); 242 }}) 243 .setPositiveButton(R.string.settings, new DialogInterface.OnClickListener() { 244 public void onClick(DialogInterface dialog, int which) { 245 Log.i(TAG, "Launching settings"); 246 launchSettingsAppAndFinish(); 247 } 248 }) 249 .setOnCancelListener(this) 250 .create(); 251 case DLG_PACKAGE_ERROR : 252 return new AlertDialog.Builder(this) 253 .setTitle(R.string.Parse_error_dlg_title) 254 .setMessage(R.string.Parse_error_dlg_text) 255 .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { 256 public void onClick(DialogInterface dialog, int which) { 257 finish(); 258 } 259 }) 260 .setOnCancelListener(this) 261 .create(); 262 case DLG_OUT_OF_SPACE: 263 // Guaranteed not to be null. will default to package name if not set by app 264 CharSequence appTitle = mPm.getApplicationLabel(mPkgInfo.applicationInfo); 265 String dlgText = getString(R.string.out_of_space_dlg_text, 266 appTitle.toString()); 267 return new AlertDialog.Builder(this) 268 .setTitle(R.string.out_of_space_dlg_title) 269 .setMessage(dlgText) 270 .setPositiveButton(R.string.manage_applications, new DialogInterface.OnClickListener() { 271 public void onClick(DialogInterface dialog, int which) { 272 //launch manage applications 273 Intent intent = new Intent("android.intent.action.MANAGE_PACKAGE_STORAGE"); 274 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 275 startActivity(intent); 276 finish(); 277 } 278 }) 279 .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { 280 public void onClick(DialogInterface dialog, int which) { 281 Log.i(TAG, "Canceling installation"); 282 finish(); 283 } 284 }) 285 .setOnCancelListener(this) 286 .create(); 287 case DLG_INSTALL_ERROR : 288 // Guaranteed not to be null. will default to package name if not set by app 289 CharSequence appTitle1 = mPm.getApplicationLabel(mPkgInfo.applicationInfo); 290 String dlgText1 = getString(R.string.install_failed_msg, 291 appTitle1.toString()); 292 return new AlertDialog.Builder(this) 293 .setTitle(R.string.install_failed) 294 .setNeutralButton(R.string.ok, new DialogInterface.OnClickListener() { 295 public void onClick(DialogInterface dialog, int which) { 296 finish(); 297 } 298 }) 299 .setMessage(dlgText1) 300 .setOnCancelListener(this) 301 .create(); 302 case DLG_ALLOW_SOURCE: 303 CharSequence appTitle2 = mPm.getApplicationLabel(mSourceInfo); 304 String dlgText2 = getString(R.string.allow_source_dlg_text, 305 appTitle2.toString()); 306 return new AlertDialog.Builder(this) 307 .setTitle(R.string.allow_source_dlg_title) 308 .setMessage(dlgText2) 309 .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { 310 public void onClick(DialogInterface dialog, int which) { 311 setResult(RESULT_CANCELED); 312 finish(); 313 }}) 314 .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { 315 public void onClick(DialogInterface dialog, int which) { 316 SharedPreferences prefs = getSharedPreferences(PREFS_ALLOWED_SOURCES, 317 Context.MODE_PRIVATE); 318 prefs.edit().putBoolean(mSourceInfo.packageName, true).apply(); 319 startInstallConfirm(); 320 } 321 }) 322 .setOnCancelListener(this) 323 .create(); 324 } 325 return null; 326 } 327 328 private void launchSettingsAppAndFinish() { 329 // Create an intent to launch SettingsTwo activity 330 Intent launchSettingsIntent = new Intent(Settings.ACTION_SECURITY_SETTINGS); 331 launchSettingsIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 332 startActivity(launchSettingsIntent); 333 finish(); 334 } 335 336 private boolean isInstallingUnknownAppsAllowed() { 337 return Settings.Global.getInt(getContentResolver(), 338 Settings.Global.INSTALL_NON_MARKET_APPS, 0) > 0; 339 } 340 341 private boolean isInstallRequestFromUnknownSource(Intent intent) { 342 String callerPackage = getCallingPackage(); 343 if (callerPackage != null && intent.getBooleanExtra( 344 Intent.EXTRA_NOT_UNKNOWN_SOURCE, false)) { 345 try { 346 mSourceInfo = mPm.getApplicationInfo(callerPackage, 0); 347 if (mSourceInfo != null) { 348 if ((mSourceInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 349 // Privileged apps are not considered an unknown source. 350 return false; 351 } 352 } 353 } catch (NameNotFoundException e) { 354 } 355 } 356 357 return true; 358 } 359 360 private boolean isVerifyAppsEnabled() { 361 return Settings.Global.getInt(getContentResolver(), 362 Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) > 0; 363 } 364 365 private boolean isAppVerifierInstalled() { 366 final PackageManager pm = getPackageManager(); 367 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 368 verification.setType(PACKAGE_MIME_TYPE); 369 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 370 final List<ResolveInfo> receivers = pm.queryBroadcastReceivers(verification, 0); 371 return (receivers.size() > 0) ? true : false; 372 } 373 374 private void initiateInstall() { 375 String pkgName = mPkgInfo.packageName; 376 // Check if there is already a package on the device with this name 377 // but it has been renamed to something else. 378 String[] oldName = mPm.canonicalToCurrentPackageNames(new String[] { pkgName }); 379 if (oldName != null && oldName.length > 0 && oldName[0] != null) { 380 pkgName = oldName[0]; 381 mPkgInfo.packageName = pkgName; 382 mPkgInfo.applicationInfo.packageName = pkgName; 383 } 384 // Check if package is already installed. display confirmation dialog if replacing pkg 385 try { 386 // This is a little convoluted because we want to get all uninstalled 387 // apps, but this may include apps with just data, and if it is just 388 // data we still want to count it as "installed". 389 mAppInfo = mPm.getApplicationInfo(pkgName, 390 PackageManager.GET_UNINSTALLED_PACKAGES); 391 if ((mAppInfo.flags&ApplicationInfo.FLAG_INSTALLED) == 0) { 392 mAppInfo = null; 393 } 394 } catch (NameNotFoundException e) { 395 mAppInfo = null; 396 } 397 398 mInstallFlowAnalytics.setReplace(mAppInfo != null); 399 mInstallFlowAnalytics.setSystemApp( 400 (mAppInfo != null) && ((mAppInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)); 401 402 startInstallConfirm(); 403 } 404 405 void setPmResult(int pmResult) { 406 Intent result = new Intent(); 407 result.putExtra(Intent.EXTRA_INSTALL_RESULT, pmResult); 408 setResult(pmResult == PackageManager.INSTALL_SUCCEEDED 409 ? RESULT_OK : RESULT_FIRST_USER, result); 410 } 411 412 @Override 413 protected void onCreate(Bundle icicle) { 414 super.onCreate(icicle); 415 416 // get intent information 417 final Intent intent = getIntent(); 418 mPackageURI = intent.getData(); 419 mOriginatingURI = intent.getParcelableExtra(Intent.EXTRA_ORIGINATING_URI); 420 mReferrerURI = intent.getParcelableExtra(Intent.EXTRA_REFERRER); 421 mPm = getPackageManager(); 422 423 boolean requestFromUnknownSource = isInstallRequestFromUnknownSource(intent); 424 mInstallFlowAnalytics = new InstallFlowAnalytics(); 425 mInstallFlowAnalytics.setStartTimestampMillis(SystemClock.elapsedRealtime()); 426 mInstallFlowAnalytics.setInstallsFromUnknownSourcesPermitted( 427 isInstallingUnknownAppsAllowed()); 428 mInstallFlowAnalytics.setInstallRequestFromUnknownSource(requestFromUnknownSource); 429 mInstallFlowAnalytics.setVerifyAppsEnabled(isVerifyAppsEnabled()); 430 mInstallFlowAnalytics.setAppVerifierInstalled(isAppVerifierInstalled()); 431 432 final String scheme = mPackageURI.getScheme(); 433 if (scheme != null && !"file".equals(scheme) && !"package".equals(scheme)) { 434 Log.w(TAG, "Unsupported scheme " + scheme); 435 setPmResult(PackageManager.INSTALL_FAILED_INVALID_URI); 436 mInstallFlowAnalytics.setFlowFinished( 437 InstallFlowAnalytics.RESULT_FAILED_UNSUPPORTED_SCHEME); 438 finish(); 439 return; 440 } 441 442 final PackageUtil.AppSnippet as; 443 if ("package".equals(mPackageURI.getScheme())) { 444 mInstallFlowAnalytics.setFileUri(false); 445 try { 446 mPkgInfo = mPm.getPackageInfo(mPackageURI.getSchemeSpecificPart(), 447 PackageManager.GET_PERMISSIONS | PackageManager.GET_UNINSTALLED_PACKAGES); 448 } catch (NameNotFoundException e) { 449 } 450 if (mPkgInfo == null) { 451 Log.w(TAG, "Requested package " + mPackageURI.getScheme() 452 + " not available. Discontinuing installation"); 453 showDialogInner(DLG_PACKAGE_ERROR); 454 setPmResult(PackageManager.INSTALL_FAILED_INVALID_APK); 455 mInstallFlowAnalytics.setPackageInfoObtained(); 456 mInstallFlowAnalytics.setFlowFinished( 457 InstallFlowAnalytics.RESULT_FAILED_PACKAGE_MISSING); 458 return; 459 } 460 as = new PackageUtil.AppSnippet(mPm.getApplicationLabel(mPkgInfo.applicationInfo), 461 mPm.getApplicationIcon(mPkgInfo.applicationInfo)); 462 } else { 463 mInstallFlowAnalytics.setFileUri(true); 464 final File sourceFile = new File(mPackageURI.getPath()); 465 PackageParser.Package parsed = PackageUtil.getPackageInfo(sourceFile); 466 467 // Check for parse errors 468 if (parsed == null) { 469 Log.w(TAG, "Parse error when parsing manifest. Discontinuing installation"); 470 showDialogInner(DLG_PACKAGE_ERROR); 471 setPmResult(PackageManager.INSTALL_FAILED_INVALID_APK); 472 mInstallFlowAnalytics.setPackageInfoObtained(); 473 mInstallFlowAnalytics.setFlowFinished( 474 InstallFlowAnalytics.RESULT_FAILED_TO_GET_PACKAGE_INFO); 475 return; 476 } 477 mPkgInfo = PackageParser.generatePackageInfo(parsed, null, 478 PackageManager.GET_PERMISSIONS, 0, 0, null, 479 new PackageUserState()); 480 mPkgDigest = parsed.manifestDigest; 481 as = PackageUtil.getAppSnippet(this, mPkgInfo.applicationInfo, sourceFile); 482 } 483 mInstallFlowAnalytics.setPackageInfoObtained(); 484 485 //set view 486 setContentView(R.layout.install_start); 487 mInstallConfirm = findViewById(R.id.install_confirm_panel); 488 mInstallConfirm.setVisibility(View.INVISIBLE); 489 PackageUtil.initSnippetForNewApp(this, as, R.id.app_snippet); 490 491 mOriginatingUid = getOriginatingUid(intent); 492 493 // Block the install attempt on the Unknown Sources setting if necessary. 494 if ((requestFromUnknownSource) && (!isInstallingUnknownAppsAllowed())) { 495 //ask user to enable setting first 496 showDialogInner(DLG_UNKNOWN_APPS); 497 mInstallFlowAnalytics.setFlowFinished( 498 InstallFlowAnalytics.RESULT_BLOCKED_BY_UNKNOWN_SOURCES_SETTING); 499 return; 500 } 501 initiateInstall(); 502 } 503 504 /** Get the ApplicationInfo for the calling package, if available */ 505 private ApplicationInfo getSourceInfo() { 506 String callingPackage = getCallingPackage(); 507 if (callingPackage != null) { 508 try { 509 return mPm.getApplicationInfo(callingPackage, 0); 510 } catch (NameNotFoundException ex) { 511 // ignore 512 } 513 } 514 return null; 515 } 516 517 518 /** Get the originating uid if possible, or VerificationParams.NO_UID if not available */ 519 private int getOriginatingUid(Intent intent) { 520 // The originating uid from the intent. We only trust/use this if it comes from a 521 // system application 522 int uidFromIntent = intent.getIntExtra(Intent.EXTRA_ORIGINATING_UID, 523 VerificationParams.NO_UID); 524 525 // Get the source info from the calling package, if available. This will be the 526 // definitive calling package, but it only works if the intent was started using 527 // startActivityForResult, 528 ApplicationInfo sourceInfo = getSourceInfo(); 529 if (sourceInfo != null) { 530 if (uidFromIntent != VerificationParams.NO_UID && 531 (mSourceInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 532 return uidFromIntent; 533 534 } 535 // We either didn't get a uid in the intent, or we don't trust it. Use the 536 // uid of the calling package instead. 537 return sourceInfo.uid; 538 } 539 540 // We couldn't get the specific calling package. Let's get the uid instead 541 int callingUid; 542 try { 543 callingUid = ActivityManagerNative.getDefault() 544 .getLaunchedFromUid(getActivityToken()); 545 } catch (android.os.RemoteException ex) { 546 Log.w(TAG, "Could not determine the launching uid."); 547 // nothing else we can do 548 return VerificationParams.NO_UID; 549 } 550 551 // If we got a uid from the intent, we need to verify that the caller is a 552 // privileged system package before we use it 553 if (uidFromIntent != VerificationParams.NO_UID) { 554 String[] callingPackages = mPm.getPackagesForUid(callingUid); 555 if (callingPackages != null) { 556 for (String packageName: callingPackages) { 557 try { 558 ApplicationInfo applicationInfo = 559 mPm.getApplicationInfo(packageName, 0); 560 561 if ((applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 562 return uidFromIntent; 563 } 564 } catch (NameNotFoundException ex) { 565 // ignore it, and try the next package 566 } 567 } 568 } 569 } 570 // We either didn't get a uid from the intent, or we don't trust it. Use the 571 // calling uid instead. 572 return callingUid; 573 } 574 575 @Override 576 public void onBackPressed() { 577 mInstallFlowAnalytics.setFlowFinished( 578 InstallFlowAnalytics.RESULT_CANCELLED_BY_USER); 579 super.onBackPressed(); 580 } 581 582 // Generic handling when pressing back key 583 public void onCancel(DialogInterface dialog) { 584 finish(); 585 } 586 587 public void onClick(View v) { 588 if(v == mOk) { 589 if (mOkCanInstall || mScrollView == null) { 590 // Start subactivity to actually install the application 591 mInstallFlowAnalytics.setInstallButtonClicked(); 592 Intent newIntent = new Intent(); 593 newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, 594 mPkgInfo.applicationInfo); 595 newIntent.setData(mPackageURI); 596 newIntent.setClass(this, InstallAppProgress.class); 597 newIntent.putExtra(InstallAppProgress.EXTRA_MANIFEST_DIGEST, mPkgDigest); 598 newIntent.putExtra( 599 InstallAppProgress.EXTRA_INSTALL_FLOW_ANALYTICS, mInstallFlowAnalytics); 600 String installerPackageName = getIntent().getStringExtra( 601 Intent.EXTRA_INSTALLER_PACKAGE_NAME); 602 if (mOriginatingURI != null) { 603 newIntent.putExtra(Intent.EXTRA_ORIGINATING_URI, mOriginatingURI); 604 } 605 if (mReferrerURI != null) { 606 newIntent.putExtra(Intent.EXTRA_REFERRER, mReferrerURI); 607 } 608 if (mOriginatingUid != VerificationParams.NO_UID) { 609 newIntent.putExtra(Intent.EXTRA_ORIGINATING_UID, mOriginatingUid); 610 } 611 if (installerPackageName != null) { 612 newIntent.putExtra(Intent.EXTRA_INSTALLER_PACKAGE_NAME, 613 installerPackageName); 614 } 615 if (getIntent().getBooleanExtra(Intent.EXTRA_RETURN_RESULT, false)) { 616 newIntent.putExtra(Intent.EXTRA_RETURN_RESULT, true); 617 newIntent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT); 618 } 619 if(localLOGV) Log.i(TAG, "downloaded app uri="+mPackageURI); 620 startActivity(newIntent); 621 finish(); 622 } else { 623 mScrollView.pageScroll(View.FOCUS_DOWN); 624 } 625 } else if(v == mCancel) { 626 // Cancel and finish 627 setResult(RESULT_CANCELED); 628 mInstallFlowAnalytics.setFlowFinished( 629 InstallFlowAnalytics.RESULT_CANCELLED_BY_USER); 630 finish(); 631 } 632 } 633 } 634
