/* * 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.app.PendingIntent; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.res.Resources; import android.content.res.XmlResourceParser; import android.graphics.drawable.Drawable; import android.net.Uri; 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 * {@link PackageInfo#configPreferences} */ public static final int GET_CONFIGURATIONS = 0x00004000; /** * 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; /** * 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; 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. */ public static final int FORWARD_LOCK_PACKAGE = 0x00000001; /** * Flag parameter for {@link #installPackage} to indicate that you want to replace an already * installed package, if one exists */ public static final int REPLACE_EXISTING_PACKAGE = 0x00000002; /** * 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. */ 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. */ 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. */ 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. */ 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 */ 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. */ 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. */ 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). */ 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. */ 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. */ 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. */ 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. */ 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. */ public static final int INSTALL_FAILED_OLDER_SDK = -12; /** * 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. */ 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. */ 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. */ 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. */ 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. */ 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. */ 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. */ 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. */ 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. */ 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. */ 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; /** * 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) throws NameNotFoundException; /** * 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 #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);
/**
* 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