/*
* Copyright (C) 2006 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 android.content.pm;
import android.annotation.SdkConstant;
import android.annotation.SdkConstant.SdkConstantType;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentSender;
import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Environment;
import android.os.StatFs;
import android.util.AndroidException;
import android.util.DisplayMetrics;
import java.io.File;
import java.util.List;
/**
* Class for retrieving various kinds of information related to the application
* packages that are currently installed on the device.
*
* You can find this class through {@link Context#getPackageManager}.
*/
public abstract class PackageManager {
/**
* This exception is thrown when a given package, application, or component
* name can not be found.
*/
public static class NameNotFoundException extends AndroidException {
public NameNotFoundException() {
}
public NameNotFoundException(String name) {
super(name);
}
}
/**
* {@link PackageInfo} flag: return information about
* activities in the package in {@link PackageInfo#activities}.
*/
public static final int GET_ACTIVITIES = 0x00000001;
/**
* {@link PackageInfo} flag: return information about
* intent receivers in the package in
* {@link PackageInfo#receivers}.
*/
public static final int GET_RECEIVERS = 0x00000002;
/**
* {@link PackageInfo} flag: return information about
* services in the package in {@link PackageInfo#services}.
*/
public static final int GET_SERVICES = 0x00000004;
/**
* {@link PackageInfo} flag: return information about
* content providers in the package in
* {@link PackageInfo#providers}.
*/
public static final int GET_PROVIDERS = 0x00000008;
/**
* {@link PackageInfo} flag: return information about
* instrumentation in the package in
* {@link PackageInfo#instrumentation}.
*/
public static final int GET_INSTRUMENTATION = 0x00000010;
/**
* {@link PackageInfo} flag: return information about the
* intent filters supported by the activity.
*/
public static final int GET_INTENT_FILTERS = 0x00000020;
/**
* {@link PackageInfo} flag: return information about the
* signatures included in the package.
*/
public static final int GET_SIGNATURES = 0x00000040;
/**
* {@link ResolveInfo} flag: return the IntentFilter that
* was matched for a particular ResolveInfo in
* {@link ResolveInfo#filter}.
*/
public static final int GET_RESOLVED_FILTER = 0x00000040;
/**
* {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
* data {@link android.os.Bundle}s that are associated with a component.
* This applies for any API returning a ComponentInfo subclass.
*/
public static final int GET_META_DATA = 0x00000080;
/**
* {@link PackageInfo} flag: return the
* {@link PackageInfo#gids group ids} that are associated with an
* application.
* This applies for any API returning an PackageInfo class, either
* directly or nested inside of another.
*/
public static final int GET_GIDS = 0x00000100;
/**
* {@link PackageInfo} flag: include disabled components in the returned info.
*/
public static final int GET_DISABLED_COMPONENTS = 0x00000200;
/**
* {@link ApplicationInfo} flag: return the
* {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
* that are associated with an application.
* This applies for any API returning an ApplicationInfo class, either
* directly or nested inside of another.
*/
public static final int GET_SHARED_LIBRARY_FILES = 0x00000400;
/**
* {@link ProviderInfo} flag: return the
* {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
* that are associated with a content provider.
* This applies for any API returning an ProviderInfo class, either
* directly or nested inside of another.
*/
public static final int GET_URI_PERMISSION_PATTERNS = 0x00000800;
/**
* {@link PackageInfo} flag: return information about
* permissions in the package in
* {@link PackageInfo#permissions}.
*/
public static final int GET_PERMISSIONS = 0x00001000;
/**
* Flag parameter to retrieve all applications(even uninstalled ones) with data directories.
* This state could have resulted if applications have been deleted with flag
* DONT_DELETE_DATA
* with a possibility of being replaced or reinstalled in future
*/
public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
/**
* {@link PackageInfo} flag: return information about
* hardware preferences in
* {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
* requested features in {@link PackageInfo#reqFeatures
* PackageInfo.reqFeatures}.
*/
public static final int GET_CONFIGURATIONS = 0x00004000;
/**
* Resolution and querying flag: if set, only filters that support the
* {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
* matching. This is a synonym for including the CATEGORY_DEFAULT in your
* supplied Intent.
*/
public static final int MATCH_DEFAULT_ONLY = 0x00010000;
/**
* Permission check result: this is returned by {@link #checkPermission}
* if the permission has been granted to the given package.
*/
public static final int PERMISSION_GRANTED = 0;
/**
* Permission check result: this is returned by {@link #checkPermission}
* if the permission has not been granted to the given package.
*/
public static final int PERMISSION_DENIED = -1;
/**
* Signature check result: this is returned by {@link #checkSignatures}
* if the two packages have a matching signature.
*/
public static final int SIGNATURE_MATCH = 0;
/**
* Signature check result: this is returned by {@link #checkSignatures}
* if neither of the two packages is signed.
*/
public static final int SIGNATURE_NEITHER_SIGNED = 1;
/**
* Signature check result: this is returned by {@link #checkSignatures}
* if the first package is not signed, but the second is.
*/
public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
/**
* Signature check result: this is returned by {@link #checkSignatures}
* if the second package is not signed, but the first is.
*/
public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
/**
* Signature check result: this is returned by {@link #checkSignatures}
* if both packages are signed but there is no matching signature.
*/
public static final int SIGNATURE_NO_MATCH = -3;
/**
* Signature check result: this is returned by {@link #checkSignatures}
* if either of the given package names are not valid.
*/
public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
/**
* Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
* indicate that this package should be installed as forward locked, i.e. only the app itself
* should have access to it's code and non-resource assets.
* @hide
*/
public static final int INSTALL_FORWARD_LOCK = 0x00000001;
/**
* Flag parameter for {@link #installPackage} to indicate that you want to replace an already
* installed package, if one exists.
* @hide
*/
public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
/**
* Flag parameter for {@link #installPackage} to indicate that you want to
* allow test packages (those that have set android:testOnly in their
* manifest) to be installed.
* @hide
*/
public static final int INSTALL_ALLOW_TEST = 0x00000004;
/**
* Flag parameter for {@link #installPackage} to indicate that this
* package has to be installed on the sdcard.
* @hide
*/
public static final int INSTALL_ON_SDCARD = 0x00000008;
/**
* Flag parameter for
* {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
* that you don't want to kill the app containing the component. Be careful when you set this
* since changing component states can make the containing application's behavior unpredictable.
*/
public static final int DONT_KILL_APP = 0x00000001;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
* @hide
*/
public static final int INSTALL_SUCCEEDED = 1;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
* already installed.
* @hide
*/
public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
* file is invalid.
* @hide
*/
public static final int INSTALL_FAILED_INVALID_APK = -2;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
* is invalid.
* @hide
*/
public static final int INSTALL_FAILED_INVALID_URI = -3;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
* service found that the device didn't have enough storage space to install the app.
* @hide
*/
public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
* package is already installed with the same name.
* @hide
*/
public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the requested shared user does not exist.
* @hide
*/
public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* a previously installed package of the same name has a different signature
* than the new package (and the old package's data was not removed).
* @hide
*/
public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the new package is requested a shared user which is already installed on the
* device and does not have matching signature.
* @hide
*/
public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the new package uses a shared library that is not available.
* @hide
*/
public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the new package uses a shared library that is not available.
* @hide
*/
public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the new package failed while optimizing and validating its dex files,
* either because there was not enough storage or the validation failed.
* @hide
*/
public static final int INSTALL_FAILED_DEXOPT = -11;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the new package failed because the current SDK version is older than
* that required by the package.
* @hide
*/
public static final int INSTALL_FAILED_OLDER_SDK = -12;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the new package failed because it contains a content provider with the
* same authority as a provider already installed in the system.
* @hide
*/
public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the new package failed because the current SDK version is newer than
* that required by the package.
* @hide
*/
public static final int INSTALL_FAILED_NEWER_SDK = -14;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the new package failed because it has specified that it is a test-only
* package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
* flag.
* @hide
*/
public static final int INSTALL_FAILED_TEST_ONLY = -15;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the package being installed contains native code, but none that is
* compatible with the the device's CPU_ABI.
* @hide
*/
public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* the new package uses a feature that is not available.
* @hide
*/
public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
// ------ Errors related to sdcard
/**
* Installation return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
* a secure container mount point couldn't be accessed on external media.
* @hide
*/
public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser was given a path that is not a file, or does not end with the expected
* '.apk' extension.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser was unable to retrieve the AndroidManifest.xml file.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser encountered an unexpected exception.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser did not find any certificates in the .apk.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser found inconsistent certificates on the files in the .apk.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser encountered a CertificateEncodingException in one of the
* files in the .apk.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser encountered a bad or missing package name in the manifest.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser encountered a bad shared user id name in the manifest.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser encountered some structural problem in the manifest.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
/**
* Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
* {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
* if the parser did not find any actionable tags (instrumentation or application)
* in the manifest.
* @hide
*/
public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
/**
* Indicates the state of installation. Used by PackageManager to
* figure out incomplete installations. Say a package is being installed
* (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till
* the package installation is successful or unsuccesful lin which case
* the PackageManager will no longer maintain state information associated
* with the package. If some exception(like device freeze or battery being
* pulled out) occurs during installation of a package, the PackageManager
* needs this information to clean up the previously failed installation.
*/
public static final int PKG_INSTALL_INCOMPLETE = 0;
public static final int PKG_INSTALL_COMPLETE = 1;
/**
* Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
* package's data directory.
*
* @hide
*/
public static final int DONT_DELETE_DATA = 0x00000001;
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device has a camera facing away
* from the screen.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_CAMERA = "android.hardware.camera";
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device's camera supports auto-focus.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device's camera supports flash.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device includes a light sensor.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device includes a proximity sensor.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device has a telephony radio with data
* communication support.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device has a CDMA telephony stack.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device has a GSM telephony stack.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device's touch screen supports multitouch.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
/**
* Feature for {@link #getSystemAvailableFeatures} and
* {@link #hasSystemFeature}: The device supports live wallpapers.
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
// No-installation limit for internal flash: 10% or less space available
private static final double LOW_NAND_FLASH_TRESHOLD = 0.1;
// SD-to-internal app size threshold: currently set to 1 MB
private static final long INSTALL_ON_SD_THRESHOLD = (1024 * 1024);
private static final int INSTALL_ON_INTERNAL_FLASH = 0;
/**
* Determines best place to install an application: either SD or internal FLASH.
* Tweak the algorithm for best results.
* @param tmpPackageFile APK file containing the application to install.
* @return PKG_INSTALL_INTERNAL
if it is best to install package on internal
* storage, PKG_INSTALL_ON_SD
if it is best to install package on SD card,
* and PKG_CANNOT_FIT
if insufficient space to safely install the app.
* This response does not take into account the package's own flags.
* @hide
*/
public static int recommendAppInstallLocation(ApplicationInfo appInfo, Uri packageURI) {
// Initial implementation:
// Package size = code size + cache size + data size
// If code size > 1 MB, install on SD card.
// Else install on internal NAND flash, unless space on NAND is less than 5%
// 0 = install on internal FLASH
// 1 = install on SD card
// (-1) = insufficient space - package cannot be installed.
if ((packageURI == null) || (appInfo == null)) {
return (-1);
}
StatFs internalFlashStats = new StatFs(Environment.getDataDirectory().getPath());
StatFs sdcardStats = new StatFs(Environment.getExternalStorageDirectory().getPath());
long totalInternalFlashSize = (long)internalFlashStats.getBlockCount() *
(long)internalFlashStats.getBlockSize();
long availInternalFlashSize = (long)internalFlashStats.getAvailableBlocks() *
(long)internalFlashStats.getBlockSize();
long availSDSize = (long)sdcardStats.getAvailableBlocks() *
(long)sdcardStats.getBlockSize();
double pctNandFree = (double)availInternalFlashSize / (double)totalInternalFlashSize;
final String archiveFilePath = packageURI.getPath();
File apkFile = new File(archiveFilePath);
long pkgLen = apkFile.length();
// Consider application flags preferences as well...
boolean installOnlyOnSD = ((appInfo.flags & PackageManager.INSTALL_ON_SDCARD) != 0);
// These are not very precise measures, but I guess it is hard to estimate sizes
// before installing the package.
// As a shortcut, I am assuming that the package fits on NAND flash if the available
// space is three times that of the APK size. For SD, we only worry about the APK size.
// Since packages are downloaded into SD, this might not even be necessary.
boolean fitsOnSD = (pkgLen < availSDSize) && ((2 * pkgLen) < availInternalFlashSize);
boolean fitsOnInternalFlash = ((pkgLen * 3) < availInternalFlashSize);
// Does not fit, recommend no installation.
if (!fitsOnSD && !fitsOnInternalFlash) {
return (-1);
}
if (pkgLen < (INSTALL_ON_SD_THRESHOLD) && fitsOnInternalFlash && !(installOnlyOnSD)) {
// recommend internal NAND likely
if (pctNandFree < LOW_NAND_FLASH_TRESHOLD) {
// Low space on NAND (<10%) - install on SD
return INSTALL_ON_SDCARD;
}
return INSTALL_ON_INTERNAL_FLASH;
} else {
if (fitsOnSD) {
// Recommend SD card
return INSTALL_ON_SDCARD;
} else if (fitsOnInternalFlash && (pctNandFree >= LOW_NAND_FLASH_TRESHOLD) &&
!(installOnlyOnSD)) {
return INSTALL_ON_INTERNAL_FLASH;
} else {
return (-1);
}
}
}
/**
* Retrieve overall information about an application package that is
* installed on the system.
*
*
Throws {@link NameNotFoundException} if a package with the given * name can not be found on the system. * * @param packageName The full name (i.e. com.google.apps.contacts) of the * desired package. * @param flags Additional option flags. Use any combination of * {@link #GET_ACTIVITIES}, * {@link #GET_GIDS}, * {@link #GET_CONFIGURATIONS}, * {@link #GET_INSTRUMENTATION}, * {@link #GET_PERMISSIONS}, * {@link #GET_PROVIDERS}, * {@link #GET_RECEIVERS}, * {@link #GET_SERVICES}, * {@link #GET_SIGNATURES}, * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned. * * @return Returns a PackageInfo object containing information about the package. * If flag GET_UNINSTALLED_PACKAGES is set and if the package is not * found in the list of installed applications, the package information is * retrieved from the list of uninstalled applications(which includes * installed applications as well as applications * with data directory ie applications which had been * deleted with DONT_DELTE_DATA flag set). * * @see #GET_ACTIVITIES * @see #GET_GIDS * @see #GET_CONFIGURATIONS * @see #GET_INSTRUMENTATION * @see #GET_PERMISSIONS * @see #GET_PROVIDERS * @see #GET_RECEIVERS * @see #GET_SERVICES * @see #GET_SIGNATURES * @see #GET_UNINSTALLED_PACKAGES * */ public abstract PackageInfo getPackageInfo(String packageName, int flags) throws NameNotFoundException; /** * Return a "good" intent to launch a front-door activity in a package, * for use for example to implement an "open" button when browsing through * packages. The current implementation will look first for a main * activity in the category {@link Intent#CATEGORY_INFO}, next for a * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return * null if neither are found. * *
Throws {@link NameNotFoundException} if a package with the given * name can not be found on the system. * * @param packageName The name of the package to inspect. * * @return Returns either a fully-qualified Intent that can be used to * launch the main activity in the package, or null if the package does * not contain such an activity. */ public abstract Intent getLaunchIntentForPackage(String packageName); /** * Return an array of all of the secondary group-ids that have been * assigned to a package. * *
Throws {@link NameNotFoundException} if a package with the given * name can not be found on the system. * * @param packageName The full name (i.e. com.google.apps.contacts) of the * desired package. * * @return Returns an int array of the assigned gids, or null if there * are none. */ public abstract int[] getPackageGids(String packageName) throws NameNotFoundException; /** * Retrieve all of the information we know about a particular permission. * *
Throws {@link NameNotFoundException} if a permission with the given * name can not be found on the system. * * @param name The fully qualified name (i.e. com.google.permission.LOGIN) * of the permission you are interested in. * @param flags Additional option flags. Use {@link #GET_META_DATA} to * retrieve any meta-data associated with the permission. * * @return Returns a {@link PermissionInfo} containing information about the * permission. */ public abstract PermissionInfo getPermissionInfo(String name, int flags) throws NameNotFoundException; /** * Query for all of the permissions associated with a particular group. * *
Throws {@link NameNotFoundException} if the given group does not
* exist.
*
* @param group The fully qualified name (i.e. com.google.permission.LOGIN)
* of the permission group you are interested in. Use null to
* find all of the permissions not associated with a group.
* @param flags Additional option flags. Use {@link #GET_META_DATA} to
* retrieve any meta-data associated with the permissions.
*
* @return Returns a list of {@link PermissionInfo} containing information
* about all of the permissions in the given group.
*/
public abstract List Throws {@link NameNotFoundException} if a permission group with the given
* name can not be found on the system.
*
* @param name The fully qualified name (i.e. com.google.permission_group.APPS)
* of the permission you are interested in.
* @param flags Additional option flags. Use {@link #GET_META_DATA} to
* retrieve any meta-data associated with the permission group.
*
* @return Returns a {@link PermissionGroupInfo} containing information
* about the permission.
*/
public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
int flags) throws NameNotFoundException;
/**
* Retrieve all of the known permission groups in the system.
*
* @param flags Additional option flags. Use {@link #GET_META_DATA} to
* retrieve any meta-data associated with the permission group.
*
* @return Returns a list of {@link PermissionGroupInfo} containing
* information about all of the known permission groups.
*/
public abstract List Throws {@link NameNotFoundException} if an application with the given
* package name can not be found on the system.
*
* @param packageName The full name (i.e. com.google.apps.contacts) of an
* application.
* @param flags Additional option flags. Use any combination of
* {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
* {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
*
* @return {@link ApplicationInfo} Returns ApplicationInfo object containing
* information about the package.
* If flag GET_UNINSTALLED_PACKAGES is set and if the package is not
* found in the list of installed applications,
* the application information is retrieved from the
* list of uninstalled applications(which includes
* installed applications as well as applications
* with data directory ie applications which had been
* deleted with DONT_DELTE_DATA flag set).
*
* @see #GET_META_DATA
* @see #GET_SHARED_LIBRARY_FILES
* @see #GET_UNINSTALLED_PACKAGES
*/
public abstract ApplicationInfo getApplicationInfo(String packageName,
int flags) throws NameNotFoundException;
/**
* Retrieve all of the information we know about a particular activity
* class.
*
* Throws {@link NameNotFoundException} if an activity with the given
* class name can not be found on the system.
*
* @param className The full name (i.e.
* com.google.apps.contacts.ContactsList) of an Activity
* class.
* @param flags Additional option flags. Use any combination of
* {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
* to modify the data (in ApplicationInfo) returned.
*
* @return {@link ActivityInfo} containing information about the activity.
*
* @see #GET_INTENT_FILTERS
* @see #GET_META_DATA
* @see #GET_SHARED_LIBRARY_FILES
*/
public abstract ActivityInfo getActivityInfo(ComponentName className,
int flags) throws NameNotFoundException;
/**
* Retrieve all of the information we know about a particular receiver
* class.
*
* Throws {@link NameNotFoundException} if a receiver with the given
* class name can not be found on the system.
*
* @param className The full name (i.e.
* com.google.apps.contacts.CalendarAlarm) of a Receiver
* class.
* @param flags Additional option flags. Use any combination of
* {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
* to modify the data returned.
*
* @return {@link ActivityInfo} containing information about the receiver.
*
* @see #GET_INTENT_FILTERS
* @see #GET_META_DATA
* @see #GET_SHARED_LIBRARY_FILES
*/
public abstract ActivityInfo getReceiverInfo(ComponentName className,
int flags) throws NameNotFoundException;
/**
* Retrieve all of the information we know about a particular service
* class.
*
* Throws {@link NameNotFoundException} if a service with the given
* class name can not be found on the system.
*
* @param className The full name (i.e.
* com.google.apps.media.BackgroundPlayback) of a Service
* class.
* @param flags Additional option flags. Use any combination of
* {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
* to modify the data returned.
*
* @return ServiceInfo containing information about the service.
*
* @see #GET_META_DATA
* @see #GET_SHARED_LIBRARY_FILES
*/
public abstract ServiceInfo getServiceInfo(ComponentName className,
int flags) throws NameNotFoundException;
/**
* Return a List of all packages that are installed
* on the device.
*
* @param flags Additional option flags. Use any combination of
* {@link #GET_ACTIVITIES},
* {@link #GET_GIDS},
* {@link #GET_CONFIGURATIONS},
* {@link #GET_INSTRUMENTATION},
* {@link #GET_PERMISSIONS},
* {@link #GET_PROVIDERS},
* {@link #GET_RECEIVERS},
* {@link #GET_SERVICES},
* {@link #GET_SIGNATURES},
* {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
*
* @return A List of PackageInfo objects, one for each package that is
* installed on the device. In the unlikely case of there being no
* installed packages, an empty list is returned.
* If flag GET_UNINSTALLED_PACKAGES is set, a list of all
* applications including those deleted with DONT_DELETE_DATA
* (partially installed apps with data directory) will be returned.
*
* @see #GET_ACTIVITIES
* @see #GET_GIDS
* @see #GET_CONFIGURATIONS
* @see #GET_INSTRUMENTATION
* @see #GET_PERMISSIONS
* @see #GET_PROVIDERS
* @see #GET_RECEIVERS
* @see #GET_SERVICES
* @see #GET_SIGNATURES
* @see #GET_UNINSTALLED_PACKAGES
*
*/
public abstract List It is good to make your permission tree name descriptive, because you
* are taking possession of that entire set of permission names. Thus, it
* must be under a domain you control, with a suffix that will not match
* any normal permissions that may be declared in any applications that
* are part of that domain.
*
* New permissions must be added before
* any .apks are installed that use those permissions. Permissions you
* add through this method are remembered across reboots of the device.
* If the given permission already exists, the info you supply here
* will be used to update it.
*
* @param info Description of the permission to be added.
*
* @return Returns true if a new permission was created, false if an
* existing one was updated.
*
* @throws SecurityException if you are not allowed to add the
* given permission name.
*
* @see #removePermission(String)
*/
public abstract boolean addPermission(PermissionInfo info);
/**
* Removes a permission that was previously added with
* {@link #addPermission(PermissionInfo)}. The same ownership rules apply
* -- you are only allowed to remove permissions that you are allowed
* to add.
*
* @param name The name of the permission to remove.
*
* @throws SecurityException if you are not allowed to remove the
* given permission name.
*
* @see #addPermission(PermissionInfo)
*/
public abstract void removePermission(String name);
/**
* Compare the signatures of two packages to determine if the same
* signature appears in both of them. If they do contain the same
* signature, then they are allowed special privileges when working
* with each other: they can share the same user-id, run instrumentation
* against each other, etc.
*
* @param pkg1 First package name whose signature will be compared.
* @param pkg2 Second package name whose signature will be compared.
* @return Returns an integer indicating whether there is a matching
* signature: the value is >= 0 if there is a match (or neither package
* is signed), or < 0 if there is not a match. The match result can be
* further distinguished with the success (>= 0) constants
* {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or
* failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED},
* {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH},
* or {@link #SIGNATURE_UNKNOWN_PACKAGE}.
*
* @see #checkSignatures(int, int)
* @see #SIGNATURE_MATCH
* @see #SIGNATURE_NEITHER_SIGNED
* @see #SIGNATURE_FIRST_NOT_SIGNED
* @see #SIGNATURE_SECOND_NOT_SIGNED
* @see #SIGNATURE_NO_MATCH
* @see #SIGNATURE_UNKNOWN_PACKAGE
*/
public abstract int checkSignatures(String pkg1, String pkg2);
/**
* Like {@link #checkSignatures(String, String)}, but takes UIDs of
* the two packages to be checked. This can be useful, for example,
* when doing the check in an IPC, where the UID is the only identity
* available. It is functionally identical to determining the package
* associated with the UIDs and checking their signatures.
*
* @param uid1 First UID whose signature will be compared.
* @param uid2 Second UID whose signature will be compared.
* @return Returns an integer indicating whether there is a matching
* signature: the value is >= 0 if there is a match (or neither package
* is signed), or < 0 if there is not a match. The match result can be
* further distinguished with the success (>= 0) constants
* {@link #SIGNATURE_MATCH}, {@link #SIGNATURE_NEITHER_SIGNED}; or
* failure (< 0) constants {@link #SIGNATURE_FIRST_NOT_SIGNED},
* {@link #SIGNATURE_SECOND_NOT_SIGNED}, {@link #SIGNATURE_NO_MATCH},
* or {@link #SIGNATURE_UNKNOWN_PACKAGE}.
*
* @see #checkSignatures(int, int)
* @see #SIGNATURE_MATCH
* @see #SIGNATURE_NEITHER_SIGNED
* @see #SIGNATURE_FIRST_NOT_SIGNED
* @see #SIGNATURE_SECOND_NOT_SIGNED
* @see #SIGNATURE_NO_MATCH
* @see #SIGNATURE_UNKNOWN_PACKAGE
*/
public abstract int checkSignatures(int uid1, int uid2);
/**
* Retrieve the names of all packages that are associated with a particular
* user id. In most cases, this will be a single package name, the package
* that has been assigned that user id. Where there are multiple packages
* sharing the same user id through the "sharedUserId" mechanism, all
* packages with that id will be returned.
*
* @param uid The user id for which you would like to retrieve the
* associated packages.
*
* @return Returns an array of one or more packages assigned to the user
* id, or null if there are no known packages with the given id.
*/
public abstract String[] getPackagesForUid(int uid);
/**
* Retrieve the official name associated with a user id. This name is
* guaranteed to never change, though it is possibly for the underlying
* user id to be changed. That is, if you are storing information about
* user ids in persistent storage, you should use the string returned
* by this function instead of the raw user-id.
*
* @param uid The user id for which you would like to retrieve a name.
* @return Returns a unique name for the given user id, or null if the
* user id is not currently assigned.
*/
public abstract String getNameForUid(int uid);
/**
* Return the user id associated with a shared user name. Multiple
* applications can specify a shared user name in their manifest and thus
* end up using a common uid. This might be used for new applications
* that use an existing shared user name and need to know the uid of the
* shared user.
*
* @param sharedUserName The shared user name whose uid is to be retrieved.
* @return Returns the uid associated with the shared user, or NameNotFoundException
* if the shared user name is not being used by any installed packages
* @hide
*/
public abstract int getUidForSharedUser(String sharedUserName)
throws NameNotFoundException;
/**
* Return a List of all application packages that are installed on the
* device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
* applications including those deleted with DONT_DELETE_DATA(partially
* installed apps with data directory) will be returned.
*
* @param flags Additional option flags. Use any combination of
* {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
* {link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
*
* @return A List of ApplicationInfo objects, one for each application that
* is installed on the device. In the unlikely case of there being
* no installed applications, an empty list is returned.
* If flag GET_UNINSTALLED_PACKAGES is set, a list of all
* applications including those deleted with DONT_DELETE_DATA
* (partially installed apps with data directory) will be returned.
*
* @see #GET_META_DATA
* @see #GET_SHARED_LIBRARY_FILES
* @see #GET_UNINSTALLED_PACKAGES
*/
public abstract List Note: unlike most other methods, an empty result set is indicated
* by a null return instead of an empty list.
*
* @param processName If non-null, limits the returned providers to only
* those that are hosted by the given process. If null,
* all content providers are returned.
* @param uid If processName is non-null, this is the required
* uid owning the requested content providers.
* @param flags Additional option flags. Currently should always be 0.
*
* @return A List Throws {@link NameNotFoundException} if instrumentation with the
* given class name can not be found on the system.
*
* @param className The full name (i.e.
* com.google.apps.contacts.InstrumentList) of an
* Instrumentation class.
* @param flags Additional option flags. Currently should always be 0.
*
* @return InstrumentationInfo containing information about the
* instrumentation.
*/
public abstract InstrumentationInfo getInstrumentationInfo(
ComponentName className, int flags) throws NameNotFoundException;
/**
* Retrieve information about available instrumentation code. May be used
* to retrieve either all instrumentation code, or only the code targeting
* a particular package.
*
* @param targetPackage If null, all instrumentation is returned; only the
* instrumentation targeting this package name is
* returned.
* @param flags Additional option flags. Currently should always be 0.
*
* @return A List