| /* |
| * 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; |
| |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.res.AssetManager; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.database.DatabaseErrorHandler; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.database.sqlite.SQLiteDatabase.CursorFactory; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.Drawable; |
| import android.media.MediaScannerConnection.OnScanCompletedListener; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.util.AttributeSet; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * Interface to global information about an application environment. This is |
| * an abstract class whose implementation is provided by |
| * the Android system. It |
| * allows access to application-specific resources and classes, as well as |
| * up-calls for application-level operations such as launching activities, |
| * broadcasting and receiving intents, etc. |
| */ |
| public abstract class Context { |
| /** |
| * File creation mode: the default mode, where the created file can only |
| * be accessed by the calling application (or all applications sharing the |
| * same user ID). |
| * @see #MODE_WORLD_READABLE |
| * @see #MODE_WORLD_WRITEABLE |
| */ |
| public static final int MODE_PRIVATE = 0x0000; |
| /** |
| * File creation mode: allow all other applications to have read access |
| * to the created file. |
| * @see #MODE_PRIVATE |
| * @see #MODE_WORLD_WRITEABLE |
| */ |
| public static final int MODE_WORLD_READABLE = 0x0001; |
| /** |
| * File creation mode: allow all other applications to have write access |
| * to the created file. |
| * @see #MODE_PRIVATE |
| * @see #MODE_WORLD_READABLE |
| */ |
| public static final int MODE_WORLD_WRITEABLE = 0x0002; |
| /** |
| * File creation mode: for use with {@link #openFileOutput}, if the file |
| * already exists then write data to the end of the existing file |
| * instead of erasing it. |
| * @see #openFileOutput |
| */ |
| public static final int MODE_APPEND = 0x8000; |
| |
| /** |
| * SharedPreference loading flag: when set, the file on disk will |
| * be checked for modification even if the shared preferences |
| * instance is already loaded in this process. This behavior is |
| * sometimes desired in cases where the application has multiple |
| * processes, all writing to the same SharedPreferences file. |
| * Generally there are better forms of communication between |
| * processes, though. |
| * |
| * <p>This was the legacy (but undocumented) behavior in and |
| * before Gingerbread (Android 2.3) and this flag is implied when |
| * targetting such releases. For applications targetting SDK |
| * versions <em>greater than</em> Android 2.3, this flag must be |
| * explicitly set if desired. |
| * |
| * @see #getSharedPreferences |
| */ |
| public static final int MODE_MULTI_PROCESS = 0x0004; |
| |
| /** |
| * Flag for {@link #bindService}: automatically create the service as long |
| * as the binding exists. Note that while this will create the service, |
| * its {@link android.app.Service#onStartCommand} |
| * method will still only be called due to an |
| * explicit call to {@link #startService}. Even without that, though, |
| * this still provides you with access to the service object while the |
| * service is created. |
| * |
| * <p>Specifying this flag also tells the system to treat the service |
| * as being as important as your own process -- that is, when deciding |
| * which process should be killed to free memory, the service will only |
| * be considered a candidate as long as the processes of any such bindings |
| * is also a candidate to be killed. This is to avoid situations where |
| * the service is being continually created and killed due to low memory. |
| */ |
| public static final int BIND_AUTO_CREATE = 0x0001; |
| |
| /** |
| * Flag for {@link #bindService}: include debugging help for mismatched |
| * calls to unbind. When this flag is set, the callstack of the following |
| * {@link #unbindService} call is retained, to be printed if a later |
| * incorrect unbind call is made. Note that doing this requires retaining |
| * information about the binding that was made for the lifetime of the app, |
| * resulting in a leak -- this should only be used for debugging. |
| */ |
| public static final int BIND_DEBUG_UNBIND = 0x0002; |
| |
| /** |
| * Flag for {@link #bindService}: don't allow this binding to raise |
| * the target service's process to the foreground scheduling priority. |
| * It will still be raised to the at least the same memory priority |
| * as the client (so that its process will not be killable in any |
| * situation where the client is not killable), but for CPU scheduling |
| * purposes it may be left in the background. This only has an impact |
| * in the situation where the binding client is a foreground process |
| * and the target service is in a background process. |
| */ |
| public static final int BIND_NOT_FOREGROUND = 0x0004; |
| |
| /** Return an AssetManager instance for your application's package. */ |
| public abstract AssetManager getAssets(); |
| |
| /** Return a Resources instance for your application's package. */ |
| public abstract Resources getResources(); |
| |
| /** Return PackageManager instance to find global package information. */ |
| public abstract PackageManager getPackageManager(); |
| |
| /** Return a ContentResolver instance for your application's package. */ |
| public abstract ContentResolver getContentResolver(); |
| |
| /** |
| * Return the Looper for the main thread of the current process. This is |
| * the thread used to dispatch calls to application components (activities, |
| * services, etc). |
| */ |
| public abstract Looper getMainLooper(); |
| |
| /** |
| * Return the context of the single, global Application object of the |
| * current process. This generally should only be used if you need a |
| * Context whose lifecycle is separate from the current context, that is |
| * tied to the lifetime of the process rather than the current component. |
| * |
| * <p>Consider for example how this interacts with |
| * {@link #registerReceiver(BroadcastReceiver, IntentFilter)}: |
| * <ul> |
| * <li> <p>If used from an Activity context, the receiver is being registered |
| * within that activity. This means that you are expected to unregister |
| * before the activity is done being destroyed; in fact if you do not do |
| * so, the framework will clean up your leaked registration as it removes |
| * the activity and log an error. Thus, if you use the Activity context |
| * to register a receiver that is static (global to the process, not |
| * associated with an Activity instance) then that registration will be |
| * removed on you at whatever point the activity you used is destroyed. |
| * <li> <p>If used from the Context returned here, the receiver is being |
| * registered with the global state associated with your application. Thus |
| * it will never be unregistered for you. This is necessary if the receiver |
| * is associated with static data, not a particular component. However |
| * using the ApplicationContext elsewhere can easily lead to serious leaks |
| * if you forget to unregister, unbind, etc. |
| * </ul> |
| */ |
| public abstract Context getApplicationContext(); |
| |
| /** |
| * Return a localized, styled CharSequence from the application's package's |
| * default string table. |
| * |
| * @param resId Resource id for the CharSequence text |
| */ |
| public final CharSequence getText(int resId) { |
| return getResources().getText(resId); |
| } |
| |
| /** |
| * Return a localized string from the application's package's |
| * default string table. |
| * |
| * @param resId Resource id for the string |
| */ |
| public final String getString(int resId) { |
| return getResources().getString(resId); |
| } |
| |
| /** |
| * Return a localized formatted string from the application's package's |
| * default string table, substituting the format arguments as defined in |
| * {@link java.util.Formatter} and {@link java.lang.String#format}. |
| * |
| * @param resId Resource id for the format string |
| * @param formatArgs The format arguments that will be used for substitution. |
| */ |
| |
| public final String getString(int resId, Object... formatArgs) { |
| return getResources().getString(resId, formatArgs); |
| } |
| |
| /** |
| * Set the base theme for this context. Note that this should be called |
| * before any views are instantiated in the Context (for example before |
| * calling {@link android.app.Activity#setContentView} or |
| * {@link android.view.LayoutInflater#inflate}). |
| * |
| * @param resid The style resource describing the theme. |
| */ |
| public abstract void setTheme(int resid); |
| |
| /** @hide Needed for some internal implementation... not public because |
| * you can't assume this actually means anything. */ |
| public int getThemeResId() { |
| return 0; |
| } |
| |
| /** |
| * Return the Theme object associated with this Context. |
| */ |
| public abstract Resources.Theme getTheme(); |
| |
| /** |
| * Retrieve styled attribute information in this Context's theme. See |
| * {@link Resources.Theme#obtainStyledAttributes(int[])} |
| * for more information. |
| * |
| * @see Resources.Theme#obtainStyledAttributes(int[]) |
| */ |
| public final TypedArray obtainStyledAttributes( |
| int[] attrs) { |
| return getTheme().obtainStyledAttributes(attrs); |
| } |
| |
| /** |
| * Retrieve styled attribute information in this Context's theme. See |
| * {@link Resources.Theme#obtainStyledAttributes(int, int[])} |
| * for more information. |
| * |
| * @see Resources.Theme#obtainStyledAttributes(int, int[]) |
| */ |
| public final TypedArray obtainStyledAttributes( |
| int resid, int[] attrs) throws Resources.NotFoundException { |
| return getTheme().obtainStyledAttributes(resid, attrs); |
| } |
| |
| /** |
| * Retrieve styled attribute information in this Context's theme. See |
| * {@link Resources.Theme#obtainStyledAttributes(AttributeSet, int[], int, int)} |
| * for more information. |
| * |
| * @see Resources.Theme#obtainStyledAttributes(AttributeSet, int[], int, int) |
| */ |
| public final TypedArray obtainStyledAttributes( |
| AttributeSet set, int[] attrs) { |
| return getTheme().obtainStyledAttributes(set, attrs, 0, 0); |
| } |
| |
| /** |
| * Retrieve styled attribute information in this Context's theme. See |
| * {@link Resources.Theme#obtainStyledAttributes(AttributeSet, int[], int, int)} |
| * for more information. |
| * |
| * @see Resources.Theme#obtainStyledAttributes(AttributeSet, int[], int, int) |
| */ |
| public final TypedArray obtainStyledAttributes( |
| AttributeSet set, int[] attrs, int defStyleAttr, int defStyleRes) { |
| return getTheme().obtainStyledAttributes( |
| set, attrs, defStyleAttr, defStyleRes); |
| } |
| |
| /** |
| * Return a class loader you can use to retrieve classes in this package. |
| */ |
| public abstract ClassLoader getClassLoader(); |
| |
| /** Return the name of this application's package. */ |
| public abstract String getPackageName(); |
| |
| /** Return the full application info for this context's package. */ |
| public abstract ApplicationInfo getApplicationInfo(); |
| |
| /** |
| * Return the full path to this context's primary Android package. |
| * The Android package is a ZIP file which contains the application's |
| * primary resources. |
| * |
| * <p>Note: this is not generally useful for applications, since they should |
| * not be directly accessing the file system. |
| * |
| * @return String Path to the resources. |
| */ |
| public abstract String getPackageResourcePath(); |
| |
| /** |
| * Return the full path to this context's primary Android package. |
| * The Android package is a ZIP file which contains application's |
| * primary code and assets. |
| * |
| * <p>Note: this is not generally useful for applications, since they should |
| * not be directly accessing the file system. |
| * |
| * @return String Path to the code and assets. |
| */ |
| public abstract String getPackageCodePath(); |
| |
| /** |
| * {@hide} |
| * Return the full path to the shared prefs file for the given prefs group name. |
| * |
| * <p>Note: this is not generally useful for applications, since they should |
| * not be directly accessing the file system. |
| */ |
| public abstract File getSharedPrefsFile(String name); |
| |
| /** |
| * Retrieve and hold the contents of the preferences file 'name', returning |
| * a SharedPreferences through which you can retrieve and modify its |
| * values. Only one instance of the SharedPreferences object is returned |
| * to any callers for the same name, meaning they will see each other's |
| * edits as soon as they are made. |
| * |
| * @param name Desired preferences file. If a preferences file by this name |
| * does not exist, it will be created when you retrieve an |
| * editor (SharedPreferences.edit()) and then commit changes (Editor.commit()). |
| * @param mode Operating mode. Use 0 or {@link #MODE_PRIVATE} for the |
| * default operation, {@link #MODE_WORLD_READABLE} |
| * and {@link #MODE_WORLD_WRITEABLE} to control permissions. The bit |
| * {@link #MODE_MULTI_PROCESS} can also be used if multiple processes |
| * are mutating the same SharedPreferences file. {@link #MODE_MULTI_PROCESS} |
| * is always on in apps targetting Gingerbread (Android 2.3) and below, and |
| * off by default in later versions. |
| * |
| * @return Returns the single SharedPreferences instance that can be used |
| * to retrieve and modify the preference values. |
| * |
| * @see #MODE_PRIVATE |
| * @see #MODE_WORLD_READABLE |
| * @see #MODE_WORLD_WRITEABLE |
| * @see #MODE_MULTI_PROCESS |
| */ |
| public abstract SharedPreferences getSharedPreferences(String name, |
| int mode); |
| |
| /** |
| * Open a private file associated with this Context's application package |
| * for reading. |
| * |
| * @param name The name of the file to open; can not contain path |
| * separators. |
| * |
| * @return FileInputStream Resulting input stream. |
| * |
| * @see #openFileOutput |
| * @see #fileList |
| * @see #deleteFile |
| * @see java.io.FileInputStream#FileInputStream(String) |
| */ |
| public abstract FileInputStream openFileInput(String name) |
| throws FileNotFoundException; |
| |
| /** |
| * Open a private file associated with this Context's application package |
| * for writing. Creates the file if it doesn't already exist. |
| * |
| * @param name The name of the file to open; can not contain path |
| * separators. |
| * @param mode Operating mode. Use 0 or {@link #MODE_PRIVATE} for the |
| * default operation, {@link #MODE_APPEND} to append to an existing file, |
| * {@link #MODE_WORLD_READABLE} and {@link #MODE_WORLD_WRITEABLE} to control |
| * permissions. |
| * |
| * @return FileOutputStream Resulting output stream. |
| * |
| * @see #MODE_APPEND |
| * @see #MODE_PRIVATE |
| * @see #MODE_WORLD_READABLE |
| * @see #MODE_WORLD_WRITEABLE |
| * @see #openFileInput |
| * @see #fileList |
| * @see #deleteFile |
| * @see java.io.FileOutputStream#FileOutputStream(String) |
| */ |
| public abstract FileOutputStream openFileOutput(String name, int mode) |
| throws FileNotFoundException; |
| |
| /** |
| * Delete the given private file associated with this Context's |
| * application package. |
| * |
| * @param name The name of the file to delete; can not contain path |
| * separators. |
| * |
| * @return True if the file was successfully deleted; else |
| * false. |
| * |
| * @see #openFileInput |
| * @see #openFileOutput |
| * @see #fileList |
| * @see java.io.File#delete() |
| */ |
| public abstract boolean deleteFile(String name); |
| |
| /** |
| * Returns the absolute path on the filesystem where a file created with |
| * {@link #openFileOutput} is stored. |
| * |
| * @param name The name of the file for which you would like to get |
| * its path. |
| * |
| * @return Returns an absolute path to the given file. |
| * |
| * @see #openFileOutput |
| * @see #getFilesDir |
| * @see #getDir |
| */ |
| public abstract File getFileStreamPath(String name); |
| |
| /** |
| * Returns the absolute path to the directory on the filesystem where |
| * files created with {@link #openFileOutput} are stored. |
| * |
| * @return Returns the path of the directory holding application files. |
| * |
| * @see #openFileOutput |
| * @see #getFileStreamPath |
| * @see #getDir |
| */ |
| public abstract File getFilesDir(); |
| |
| /** |
| * Returns the absolute path to the directory on the external filesystem |
| * (that is somewhere on {@link android.os.Environment#getExternalStorageDirectory() |
| * Environment.getExternalStorageDirectory()}) where the application can |
| * place persistent files it owns. These files are private to the |
| * applications, and not typically visible to the user as media. |
| * |
| * <p>This is like {@link #getFilesDir()} in that these |
| * files will be deleted when the application is uninstalled, however there |
| * are some important differences: |
| * |
| * <ul> |
| * <li>External files are not always available: they will disappear if the |
| * user mounts the external storage on a computer or removes it. See the |
| * APIs on {@link android.os.Environment} for information in the storage state. |
| * <li>There is no security enforced with these files. All applications |
| * can read and write files placed here. |
| * </ul> |
| * |
| * <p>Here is an example of typical code to manipulate a file in |
| * an application's private storage:</p> |
| * |
| * {@sample development/samples/ApiDemos/src/com/example/android/apis/content/ExternalStorage.java |
| * private_file} |
| * |
| * <p>If you supply a non-null <var>type</var> to this function, the returned |
| * file will be a path to a sub-directory of the given type. Though these files |
| * are not automatically scanned by the media scanner, you can explicitly |
| * add them to the media database with |
| * {@link android.media.MediaScannerConnection#scanFile(Context, String[], String[], |
| * OnScanCompletedListener) MediaScannerConnection.scanFile}. |
| * Note that this is not the same as |
| * {@link android.os.Environment#getExternalStoragePublicDirectory |
| * Environment.getExternalStoragePublicDirectory()}, which provides |
| * directories of media shared by all applications. The |
| * directories returned here are |
| * owned by the application, and their contents will be removed when the |
| * application is uninstalled. Unlike |
| * {@link android.os.Environment#getExternalStoragePublicDirectory |
| * Environment.getExternalStoragePublicDirectory()}, the directory |
| * returned here will be automatically created for you. |
| * |
| * <p>Here is an example of typical code to manipulate a picture in |
| * an application's private storage and add it to the media database:</p> |
| * |
| * {@sample development/samples/ApiDemos/src/com/example/android/apis/content/ExternalStorage.java |
| * private_picture} |
| * |
| * @param type The type of files directory to return. May be null for |
| * the root of the files directory or one of |
| * the following Environment constants for a subdirectory: |
| * {@link android.os.Environment#DIRECTORY_MUSIC}, |
| * {@link android.os.Environment#DIRECTORY_PODCASTS}, |
| * {@link android.os.Environment#DIRECTORY_RINGTONES}, |
| * {@link android.os.Environment#DIRECTORY_ALARMS}, |
| * {@link android.os.Environment#DIRECTORY_NOTIFICATIONS}, |
| * {@link android.os.Environment#DIRECTORY_PICTURES}, or |
| * {@link android.os.Environment#DIRECTORY_MOVIES}. |
| * |
| * @return Returns the path of the directory holding application files |
| * on external storage. Returns null if external storage is not currently |
| * mounted so it could not ensure the path exists; you will need to call |
| * this method again when it is available. |
| * |
| * @see #getFilesDir |
| * @see android.os.Environment#getExternalStoragePublicDirectory |
| */ |
| public abstract File getExternalFilesDir(String type); |
| |
| /** |
| * Return the directory where this application's OBB files (if there |
| * are any) can be found. Note if the application does not have any OBB |
| * files, this directory may not exist. |
| */ |
| public abstract File getObbDir(); |
| |
| /** |
| * Returns the absolute path to the application specific cache directory |
| * on the filesystem. These files will be ones that get deleted first when the |
| * device runs low on storage. |
| * There is no guarantee when these files will be deleted. |
| * |
| * <strong>Note: you should not <em>rely</em> on the system deleting these |
| * files for you; you should always have a reasonable maximum, such as 1 MB, |
| * for the amount of space you consume with cache files, and prune those |
| * files when exceeding that space.</strong> |
| * |
| * @return Returns the path of the directory holding application cache files. |
| * |
| * @see #openFileOutput |
| * @see #getFileStreamPath |
| * @see #getDir |
| */ |
| public abstract File getCacheDir(); |
| |
| /** |
| * Returns the absolute path to the directory on the external filesystem |
| * (that is somewhere on {@link android.os.Environment#getExternalStorageDirectory() |
| * Environment.getExternalStorageDirectory()} where the application can |
| * place cache files it owns. |
| * |
| * <p>This is like {@link #getCacheDir()} in that these |
| * files will be deleted when the application is uninstalled, however there |
| * are some important differences: |
| * |
| * <ul> |
| * <li>The platform does not monitor the space available in external storage, |
| * and thus will not automatically delete these files. Note that you should |
| * be managing the maximum space you will use for these anyway, just like |
| * with {@link #getCacheDir()}. |
| * <li>External files are not always available: they will disappear if the |
| * user mounts the external storage on a computer or removes it. See the |
| * APIs on {@link android.os.Environment} for information in the storage state. |
| * <li>There is no security enforced with these files. All applications |
| * can read and write files placed here. |
| * </ul> |
| * |
| * @return Returns the path of the directory holding application cache files |
| * on external storage. Returns null if external storage is not currently |
| * mounted so it could not ensure the path exists; you will need to call |
| * this method again when it is available. |
| * |
| * @see #getCacheDir |
| */ |
| public abstract File getExternalCacheDir(); |
| |
| /** |
| * Returns an array of strings naming the private files associated with |
| * this Context's application package. |
| * |
| * @return Array of strings naming the private files. |
| * |
| * @see #openFileInput |
| * @see #openFileOutput |
| * @see #deleteFile |
| */ |
| public abstract String[] fileList(); |
| |
| /** |
| * Retrieve, creating if needed, a new directory in which the application |
| * can place its own custom data files. You can use the returned File |
| * object to create and access files in this directory. Note that files |
| * created through a File object will only be accessible by your own |
| * application; you can only set the mode of the entire directory, not |
| * of individual files. |
| * |
| * @param name Name of the directory to retrieve. This is a directory |
| * that is created as part of your application data. |
| * @param mode Operating mode. Use 0 or {@link #MODE_PRIVATE} for the |
| * default operation, {@link #MODE_WORLD_READABLE} and |
| * {@link #MODE_WORLD_WRITEABLE} to control permissions. |
| * |
| * @return Returns a File object for the requested directory. The directory |
| * will have been created if it does not already exist. |
| * |
| * @see #openFileOutput(String, int) |
| */ |
| public abstract File getDir(String name, int mode); |
| |
| /** |
| * Open a new private SQLiteDatabase associated with this Context's |
| * application package. Create the database file if it doesn't exist. |
| * |
| * @param name The name (unique in the application package) of the database. |
| * @param mode Operating mode. Use 0 or {@link #MODE_PRIVATE} for the |
| * default operation, {@link #MODE_WORLD_READABLE} |
| * and {@link #MODE_WORLD_WRITEABLE} to control permissions. |
| * @param factory An optional factory class that is called to instantiate a |
| * cursor when query is called. |
| * |
| * @return The contents of a newly created database with the given name. |
| * @throws android.database.sqlite.SQLiteException if the database file could not be opened. |
| * |
| * @see #MODE_PRIVATE |
| * @see #MODE_WORLD_READABLE |
| * @see #MODE_WORLD_WRITEABLE |
| * @see #deleteDatabase |
| */ |
| public abstract SQLiteDatabase openOrCreateDatabase(String name, |
| int mode, CursorFactory factory); |
| |
| /** |
| * Open a new private SQLiteDatabase associated with this Context's |
| * application package. Creates the database file if it doesn't exist. |
| * |
| * <p>Accepts input param: a concrete instance of {@link DatabaseErrorHandler} to be |
| * used to handle corruption when sqlite reports database corruption.</p> |
| * |
| * @param name The name (unique in the application package) of the database. |
| * @param mode Operating mode. Use 0 or {@link #MODE_PRIVATE} for the |
| * default operation, {@link #MODE_WORLD_READABLE} |
| * and {@link #MODE_WORLD_WRITEABLE} to control permissions. |
| * @param factory An optional factory class that is called to instantiate a |
| * cursor when query is called. |
| * @param errorHandler the {@link DatabaseErrorHandler} to be used when sqlite reports database |
| * corruption. if null, {@link android.database.DefaultDatabaseErrorHandler} is assumed. |
| * @return The contents of a newly created database with the given name. |
| * @throws android.database.sqlite.SQLiteException if the database file could not be opened. |
| * |
| * @see #MODE_PRIVATE |
| * @see #MODE_WORLD_READABLE |
| * @see #MODE_WORLD_WRITEABLE |
| * @see #deleteDatabase |
| */ |
| public abstract SQLiteDatabase openOrCreateDatabase(String name, |
| int mode, CursorFactory factory, DatabaseErrorHandler errorHandler); |
| |
| /** |
| * Delete an existing private SQLiteDatabase associated with this Context's |
| * application package. |
| * |
| * @param name The name (unique in the application package) of the |
| * database. |
| * |
| * @return True if the database was successfully deleted; else false. |
| * |
| * @see #openOrCreateDatabase |
| */ |
| public abstract boolean deleteDatabase(String name); |
| |
| /** |
| * Returns the absolute path on the filesystem where a database created with |
| * {@link #openOrCreateDatabase} is stored. |
| * |
| * @param name The name of the database for which you would like to get |
| * its path. |
| * |
| * @return Returns an absolute path to the given database. |
| * |
| * @see #openOrCreateDatabase |
| */ |
| public abstract File getDatabasePath(String name); |
| |
| /** |
| * Returns an array of strings naming the private databases associated with |
| * this Context's application package. |
| * |
| * @return Array of strings naming the private databases. |
| * |
| * @see #openOrCreateDatabase |
| * @see #deleteDatabase |
| */ |
| public abstract String[] databaseList(); |
| |
| /** |
| * @deprecated Use {@link android.app.WallpaperManager#getDrawable |
| * WallpaperManager.get()} instead. |
| */ |
| @Deprecated |
| public abstract Drawable getWallpaper(); |
| |
| /** |
| * @deprecated Use {@link android.app.WallpaperManager#peekDrawable |
| * WallpaperManager.peek()} instead. |
| */ |
| @Deprecated |
| public abstract Drawable peekWallpaper(); |
| |
| /** |
| * @deprecated Use {@link android.app.WallpaperManager#getDesiredMinimumWidth() |
| * WallpaperManager.getDesiredMinimumWidth()} instead. |
| */ |
| @Deprecated |
| public abstract int getWallpaperDesiredMinimumWidth(); |
| |
| /** |
| * @deprecated Use {@link android.app.WallpaperManager#getDesiredMinimumHeight() |
| * WallpaperManager.getDesiredMinimumHeight()} instead. |
| */ |
| @Deprecated |
| public abstract int getWallpaperDesiredMinimumHeight(); |
| |
| /** |
| * @deprecated Use {@link android.app.WallpaperManager#setBitmap(Bitmap) |
| * WallpaperManager.set()} instead. |
| */ |
| @Deprecated |
| public abstract void setWallpaper(Bitmap bitmap) throws IOException; |
| |
| /** |
| * @deprecated Use {@link android.app.WallpaperManager#setStream(InputStream) |
| * WallpaperManager.set()} instead. |
| */ |
| @Deprecated |
| public abstract void setWallpaper(InputStream data) throws IOException; |
| |
| /** |
| * @deprecated Use {@link android.app.WallpaperManager#clear |
| * WallpaperManager.clear()} instead. |
| */ |
| @Deprecated |
| public abstract void clearWallpaper() throws IOException; |
| |
| /** |
| * Launch a new activity. You will not receive any information about when |
| * the activity exits. |
| * |
| * <p>Note that if this method is being called from outside of an |
| * {@link android.app.Activity} Context, then the Intent must include |
| * the {@link Intent#FLAG_ACTIVITY_NEW_TASK} launch flag. This is because, |
| * without being started from an existing Activity, there is no existing |
| * task in which to place the new activity and thus it needs to be placed |
| * in its own separate task. |
| * |
| * <p>This method throws {@link ActivityNotFoundException} |
| * if there was no Activity found to run the given Intent. |
| * |
| * @param intent The description of the activity to start. |
| * |
| * @throws ActivityNotFoundException |
| * |
| * @see PackageManager#resolveActivity |
| */ |
| public abstract void startActivity(Intent intent); |
| |
| /** |
| * Launch multiple new activities. This is generally the same as calling |
| * {@link #startActivity(Intent)} for the first Intent in the array, |
| * that activity during its creation calling {@link #startActivity(Intent)} |
| * for the second entry, etc. Note that unlike that approach, generally |
| * none of the activities except the last in the array will be created |
| * at this point, but rather will be created when the user first visits |
| * them (due to pressing back from the activity on top). |
| * |
| * <p>This method throws {@link ActivityNotFoundException} |
| * if there was no Activity found for <em>any</em> given Intent. In this |
| * case the state of the activity stack is undefined (some Intents in the |
| * list may be on it, some not), so you probably want to avoid such situations. |
| * |
| * @param intents An array of Intents to be started. |
| * |
| * @throws ActivityNotFoundException |
| * |
| * @see PackageManager#resolveActivity |
| */ |
| public abstract void startActivities(Intent[] intents); |
| |
| /** |
| * Like {@link #startActivity(Intent)}, but taking a IntentSender |
| * to start. If the IntentSender is for an activity, that activity will be started |
| * as if you had called the regular {@link #startActivity(Intent)} |
| * here; otherwise, its associated action will be executed (such as |
| * sending a broadcast) as if you had called |
| * {@link IntentSender#sendIntent IntentSender.sendIntent} on it. |
| * |
| * @param intent The IntentSender to launch. |
| * @param fillInIntent If non-null, this will be provided as the |
| * intent parameter to {@link IntentSender#sendIntent}. |
| * @param flagsMask Intent flags in the original IntentSender that you |
| * would like to change. |
| * @param flagsValues Desired values for any bits set in |
| * <var>flagsMask</var> |
| * @param extraFlags Always set to 0. |
| */ |
| public abstract void startIntentSender(IntentSender intent, |
| Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags) |
| throws IntentSender.SendIntentException; |
| |
| /** |
| * Broadcast the given intent to all interested BroadcastReceivers. This |
| * call is asynchronous; it returns immediately, and you will continue |
| * executing while the receivers are run. No results are propagated from |
| * receivers and receivers can not abort the broadcast. If you want |
| * to allow receivers to propagate results or abort the broadcast, you must |
| * send an ordered broadcast using |
| * {@link #sendOrderedBroadcast(Intent, String)}. |
| * |
| * <p>See {@link BroadcastReceiver} for more information on Intent broadcasts. |
| * |
| * @param intent The Intent to broadcast; all receivers matching this |
| * Intent will receive the broadcast. |
| * |
| * @see android.content.BroadcastReceiver |
| * @see #registerReceiver |
| * @see #sendBroadcast(Intent, String) |
| * @see #sendOrderedBroadcast(Intent, String) |
| * @see #sendOrderedBroadcast(Intent, String, BroadcastReceiver, Handler, int, String, Bundle) |
| */ |
| public abstract void sendBroadcast(Intent intent); |
| |
| /** |
| * Broadcast the given intent to all interested BroadcastReceivers, allowing |
| * an optional required permission to be enforced. This |
| * call is asynchronous; it returns immediately, and you will continue |
| * executing while the receivers are run. No results are propagated from |
| * receivers and receivers can not abort the broadcast. If you want |
| * to allow receivers to propagate results or abort the broadcast, you must |
| * send an ordered broadcast using |
| * {@link #sendOrderedBroadcast(Intent, String)}. |
| * |
| * <p>See {@link BroadcastReceiver} for more information on Intent broadcasts. |
| * |
| * @param intent The Intent to broadcast; all receivers matching this |
| * Intent will receive the broadcast. |
| * @param receiverPermission (optional) String naming a permission that |
| * a receiver must hold in order to receive your broadcast. |
| * If null, no permission is required. |
| * |
| * @see android.content.BroadcastReceiver |
| * @see #registerReceiver |
| * @see #sendBroadcast(Intent) |
| * @see #sendOrderedBroadcast(Intent, String) |
| * @see #sendOrderedBroadcast(Intent, String, BroadcastReceiver, Handler, int, String, Bundle) |
| */ |
| public abstract void sendBroadcast(Intent intent, |
| String receiverPermission); |
| |
| /** |
| * Broadcast the given intent to all interested BroadcastReceivers, delivering |
| * them one at a time to allow more preferred receivers to consume the |
| * broadcast before it is delivered to less preferred receivers. This |
| * call is asynchronous; it returns immediately, and you will continue |
| * executing while the receivers are run. |
| * |
| * <p>See {@link BroadcastReceiver} for more information on Intent broadcasts. |
| * |
| * @param intent The Intent to broadcast; all receivers matching this |
| * Intent will receive the broadcast. |
| * @param receiverPermission (optional) String naming a permissions that |
| * a receiver must hold in order to receive your broadcast. |
| * If null, no permission is required. |
| * |
| * @see android.content.BroadcastReceiver |
| * @see #registerReceiver |
| * @see #sendBroadcast(Intent) |
| * @see #sendOrderedBroadcast(Intent, String, BroadcastReceiver, Handler, int, String, Bundle) |
| */ |
| public abstract void sendOrderedBroadcast(Intent intent, |
| String receiverPermission); |
| |
| /** |
| * Version of {@link #sendBroadcast(Intent)} that allows you to |
| * receive data back from the broadcast. This is accomplished by |
| * supplying your own BroadcastReceiver when calling, which will be |
| * treated as a final receiver at the end of the broadcast -- its |
| * {@link BroadcastReceiver#onReceive} method will be called with |
| * the result values collected from the other receivers. The broadcast will |
| * be serialized in the same way as calling |
| * {@link #sendOrderedBroadcast(Intent, String)}. |
| * |
| * <p>Like {@link #sendBroadcast(Intent)}, this method is |
| * asynchronous; it will return before |
| * resultReceiver.onReceive() is called. |
| * |
| * <p>See {@link BroadcastReceiver} for more information on Intent broadcasts. |
| * |
| * @param intent The Intent to broadcast; all receivers matching this |
| * Intent will receive the broadcast. |
| * @param receiverPermission String naming a permissions that |
| * a receiver must hold in order to receive your broadcast. |
| * If null, no permission is required. |
| * @param resultReceiver Your own BroadcastReceiver to treat as the final |
| * receiver of the broadcast. |
| * @param scheduler A custom Handler with which to schedule the |
| * resultReceiver callback; if null it will be |
| * scheduled in the Context's main thread. |
| * @param initialCode An initial value for the result code. Often |
| * Activity.RESULT_OK. |
| * @param initialData An initial value for the result data. Often |
| * null. |
| * @param initialExtras An initial value for the result extras. Often |
| * null. |
| * |
| * @see #sendBroadcast(Intent) |
| * @see #sendBroadcast(Intent, String) |
| * @see #sendOrderedBroadcast(Intent, String) |
| * @see #sendStickyBroadcast(Intent) |
| * @see #sendStickyOrderedBroadcast(Intent, BroadcastReceiver, Handler, int, String, Bundle) |
| * @see android.content.BroadcastReceiver |
| * @see #registerReceiver |
| * @see android.app.Activity#RESULT_OK |
| */ |
| public abstract void sendOrderedBroadcast(Intent intent, |
| String receiverPermission, BroadcastReceiver resultReceiver, |
| Handler scheduler, int initialCode, String initialData, |
| Bundle initialExtras); |
| |
| /** |
| * Perform a {@link #sendBroadcast(Intent)} that is "sticky," meaning the |
| * Intent you are sending stays around after the broadcast is complete, |
| * so that others can quickly retrieve that data through the return |
| * value of {@link #registerReceiver(BroadcastReceiver, IntentFilter)}. In |
| * all other ways, this behaves the same as |
| * {@link #sendBroadcast(Intent)}. |
| * |
| * <p>You must hold the {@link android.Manifest.permission#BROADCAST_STICKY} |
| * permission in order to use this API. If you do not hold that |
| * permission, {@link SecurityException} will be thrown. |
| * |
| * @param intent The Intent to broadcast; all receivers matching this |
| * Intent will receive the broadcast, and the Intent will be held to |
| * be re-broadcast to future receivers. |
| * |
| * @see #sendBroadcast(Intent) |
| * @see #sendStickyOrderedBroadcast(Intent, BroadcastReceiver, Handler, int, String, Bundle) |
| */ |
| public abstract void sendStickyBroadcast(Intent intent); |
| |
| /** |
| * Version of {@link #sendStickyBroadcast} that allows you to |
| * receive data back from the broadcast. This is accomplished by |
| * supplying your own BroadcastReceiver when calling, which will be |
| * treated as a final receiver at the end of the broadcast -- its |
| * {@link BroadcastReceiver#onReceive} method will be called with |
| * the result values collected from the other receivers. The broadcast will |
| * be serialized in the same way as calling |
| * {@link #sendOrderedBroadcast(Intent, String)}. |
| * |
| * <p>Like {@link #sendBroadcast(Intent)}, this method is |
| * asynchronous; it will return before |
| * resultReceiver.onReceive() is called. Note that the sticky data |
| * stored is only the data you initially supply to the broadcast, not |
| * the result of any changes made by the receivers. |
| * |
| * <p>See {@link BroadcastReceiver} for more information on Intent broadcasts. |
| * |
| * @param intent The Intent to broadcast; all receivers matching this |
| * Intent will receive the broadcast. |
| * @param resultReceiver Your own BroadcastReceiver to treat as the final |
| * receiver of the broadcast. |
| * @param scheduler A custom Handler with which to schedule the |
| * resultReceiver callback; if null it will be |
| * scheduled in the Context's main thread. |
| * @param initialCode An initial value for the result code. Often |
| * Activity.RESULT_OK. |
| * @param initialData An initial value for the result data. Often |
| * null. |
| * @param initialExtras An initial value for the result extras. Often |
| * null. |
| * |
| * @see #sendBroadcast(Intent) |
| * @see #sendBroadcast(Intent, String) |
| * @see #sendOrderedBroadcast(Intent, String) |
| * @see #sendStickyBroadcast(Intent) |
| * @see android.content.BroadcastReceiver |
| * @see #registerReceiver |
| * @see android.app.Activity#RESULT_OK |
| */ |
| public abstract void sendStickyOrderedBroadcast(Intent intent, |
| BroadcastReceiver resultReceiver, |
| Handler scheduler, int initialCode, String initialData, |
| Bundle initialExtras); |
| |
| |
| /** |
| * Remove the data previously sent with {@link #sendStickyBroadcast}, |
| * so that it is as if the sticky broadcast had never happened. |
| * |
| * <p>You must hold the {@link android.Manifest.permission#BROADCAST_STICKY} |
| * permission in order to use this API. If you do not hold that |
| * permission, {@link SecurityException} will be thrown. |
| * |
| * @param intent The Intent that was previously broadcast. |
| * |
| * @see #sendStickyBroadcast |
| */ |
| public abstract void removeStickyBroadcast(Intent intent); |
| |
| /** |
| * Register a BroadcastReceiver to be run in the main activity thread. The |
| * <var>receiver</var> will be called with any broadcast Intent that |
| * matches <var>filter</var>, in the main application thread. |
| * |
| * <p>The system may broadcast Intents that are "sticky" -- these stay |
| * around after the broadcast as finished, to be sent to any later |
| * registrations. If your IntentFilter matches one of these sticky |
| * Intents, that Intent will be returned by this function |
| * <strong>and</strong> sent to your <var>receiver</var> as if it had just |
| * been broadcast. |
| * |
| * <p>There may be multiple sticky Intents that match <var>filter</var>, |
| * in which case each of these will be sent to <var>receiver</var>. In |
| * this case, only one of these can be returned directly by the function; |
| * which of these that is returned is arbitrarily decided by the system. |
| * |
| * <p>If you know the Intent your are registering for is sticky, you can |
| * supply null for your <var>receiver</var>. In this case, no receiver is |
| * registered -- the function simply returns the sticky Intent that |
| * matches <var>filter</var>. In the case of multiple matches, the same |
| * rules as described above apply. |
| * |
| * <p>See {@link BroadcastReceiver} for more information on Intent broadcasts. |
| * |
| * <p class="note">Note: this method <em>cannot be called from a |
| * {@link BroadcastReceiver} component;</em> that is, from a BroadcastReceiver |
| * that is declared in an application's manifest. It is okay, however, to call |
| * this method from another BroadcastReceiver that has itself been registered |
| * at run time with {@link #registerReceiver}, since the lifetime of such a |
| * registered BroadcastReceiver is tied to the object that registered it.</p> |
| * |
| * @param receiver The BroadcastReceiver to handle the broadcast. |
| * @param filter Selects the Intent broadcasts to be received. |
| * |
| * @return The first sticky intent found that matches <var>filter</var>, |
| * or null if there are none. |
| * |
| * @see #registerReceiver(BroadcastReceiver, IntentFilter, String, Handler) |
| * @see #sendBroadcast |
| * @see #unregisterReceiver |
| */ |
| public abstract Intent registerReceiver(BroadcastReceiver receiver, |
| IntentFilter filter); |
| |
| /** |
| * Register to receive intent broadcasts, to run in the context of |
| * <var>scheduler</var>. See |
| * {@link #registerReceiver(BroadcastReceiver, IntentFilter)} for more |
| * information. This allows you to enforce permissions on who can |
| * broadcast intents to your receiver, or have the receiver run in |
| * a different thread than the main application thread. |
| * |
| * <p>See {@link BroadcastReceiver} for more information on Intent broadcasts. |
| * |
| * @param receiver The BroadcastReceiver to handle the broadcast. |
| * @param filter Selects the Intent broadcasts to be received. |
| * @param broadcastPermission String naming a permissions that a |
| * broadcaster must hold in order to send an Intent to you. If null, |
| * no permission is required. |
| * @param scheduler Handler identifying the thread that will receive |
| * the Intent. If null, the main thread of the process will be used. |
| * |
| * @return The first sticky intent found that matches <var>filter</var>, |
| * or null if there are none. |
| * |
| * @see #registerReceiver(BroadcastReceiver, IntentFilter) |
| * @see #sendBroadcast |
| * @see #unregisterReceiver |
| */ |
| public abstract Intent registerReceiver(BroadcastReceiver receiver, |
| IntentFilter filter, |
| String broadcastPermission, |
| Handler scheduler); |
| |
| /** |
| * Unregister a previously registered BroadcastReceiver. <em>All</em> |
| * filters that have been registered for this BroadcastReceiver will be |
| * removed. |
| * |
| * @param receiver The BroadcastReceiver to unregister. |
| * |
| * @see #registerReceiver |
| */ |
| public abstract void unregisterReceiver(BroadcastReceiver receiver); |
| |
| /** |
| * Request that a given application service be started. The Intent |
| * can either contain the complete class name of a specific service |
| * implementation to start, or an abstract definition through the |
| * action and other fields of the kind of service to start. If this service |
| * is not already running, it will be instantiated and started (creating a |
| * process for it if needed); if it is running then it remains running. |
| * |
| * <p>Every call to this method will result in a corresponding call to |
| * the target service's {@link android.app.Service#onStartCommand} method, |
| * with the <var>intent</var> given here. This provides a convenient way |
| * to submit jobs to a service without having to bind and call on to its |
| * interface. |
| * |
| * <p>Using startService() overrides the default service lifetime that is |
| * managed by {@link #bindService}: it requires the service to remain |
| * running until {@link #stopService} is called, regardless of whether |
| * any clients are connected to it. Note that calls to startService() |
| * are not nesting: no matter how many times you call startService(), |
| * a single call to {@link #stopService} will stop it. |
| * |
| * <p>The system attempts to keep running services around as much as |
| * possible. The only time they should be stopped is if the current |
| * foreground application is using so many resources that the service needs |
| * to be killed. If any errors happen in the service's process, it will |
| * automatically be restarted. |
| * |
| * <p>This function will throw {@link SecurityException} if you do not |
| * have permission to start the given service. |
| * |
| * @param service Identifies the service to be started. The Intent may |
| * specify either an explicit component name to start, or a logical |
| * description (action, category, etc) to match an |
| * {@link IntentFilter} published by a service. Additional values |
| * may be included in the Intent extras to supply arguments along with |
| * this specific start call. |
| * |
| * @return If the service is being started or is already running, the |
| * {@link ComponentName} of the actual service that was started is |
| * returned; else if the service does not exist null is returned. |
| * |
| * @throws SecurityException |
| * |
| * @see #stopService |
| * @see #bindService |
| */ |
| public abstract ComponentName startService(Intent service); |
| |
| /** |
| * Request that a given application service be stopped. If the service is |
| * not running, nothing happens. Otherwise it is stopped. Note that calls |
| * to startService() are not counted -- this stops the service no matter |
| * how many times it was started. |
| * |
| * <p>Note that if a stopped service still has {@link ServiceConnection} |
| * objects bound to it with the {@link #BIND_AUTO_CREATE} set, it will |
| * not be destroyed until all of these bindings are removed. See |
| * the {@link android.app.Service} documentation for more details on a |
| * service's lifecycle. |
| * |
| * <p>This function will throw {@link SecurityException} if you do not |
| * have permission to stop the given service. |
| * |
| * @param service Description of the service to be stopped. The Intent may |
| * specify either an explicit component name to start, or a logical |
| * description (action, category, etc) to match an |
| * {@link IntentFilter} published by a service. |
| * |
| * @return If there is a service matching the given Intent that is already |
| * running, then it is stopped and true is returned; else false is returned. |
| * |
| * @throws SecurityException |
| * |
| * @see #startService |
| */ |
| public abstract boolean stopService(Intent service); |
| |
| /** |
| * Connect to an application service, creating it if needed. This defines |
| * a dependency between your application and the service. The given |
| * <var>conn</var> will receive the service object when its created and be |
| * told if it dies and restarts. The service will be considered required |
| * by the system only for as long as the calling context exists. For |
| * example, if this Context is an Activity that is stopped, the service will |
| * not be required to continue running until the Activity is resumed. |
| * |
| * <p>This function will throw {@link SecurityException} if you do not |
| * have permission to bind to the given service. |
| * |
| * <p class="note">Note: this method <em>can not be called from an |
| * {@link BroadcastReceiver} component</em>. A pattern you can use to |
| * communicate from an BroadcastReceiver to a Service is to call |
| * {@link #startService} with the arguments containing the command to be |
| * sent, with the service calling its |
| * {@link android.app.Service#stopSelf(int)} method when done executing |
| * that command. See the API demo App/Service/Service Start Arguments |
| * Controller for an illustration of this. It is okay, however, to use |
| * this method from an BroadcastReceiver that has been registered with |
| * {@link #registerReceiver}, since the lifetime of this BroadcastReceiver |
| * is tied to another object (the one that registered it).</p> |
| * |
| * @param service Identifies the service to connect to. The Intent may |
| * specify either an explicit component name, or a logical |
| * description (action, category, etc) to match an |
| * {@link IntentFilter} published by a service. |
| * @param conn Receives information as the service is started and stopped. |
| * @param flags Operation options for the binding. May be 0, |
| * {@link #BIND_AUTO_CREATE}, {@link #BIND_DEBUG_UNBIND}, or |
| * {@link #BIND_NOT_FOREGROUND}. |
| * @return If you have successfully bound to the service, true is returned; |
| * false is returned if the connection is not made so you will not |
| * receive the service object. |
| * |
| * @throws SecurityException |
| * |
| * @see #unbindService |
| * @see #startService |
| * @see #BIND_AUTO_CREATE |
| * @see #BIND_DEBUG_UNBIND |
| * @see #BIND_NOT_FOREGROUND |
| */ |
| public abstract boolean bindService(Intent service, ServiceConnection conn, |
| int flags); |
| |
| /** |
| * Disconnect from an application service. You will no longer receive |
| * calls as the service is restarted, and the service is now allowed to |
| * stop at any time. |
| * |
| * @param conn The connection interface previously supplied to |
| * bindService(). |
| * |
| * @see #bindService |
| */ |
| public abstract void unbindService(ServiceConnection conn); |
| |
| /** |
| * Start executing an {@link android.app.Instrumentation} class. The given |
| * Instrumentation component will be run by killing its target application |
| * (if currently running), starting the target process, instantiating the |
| * instrumentation component, and then letting it drive the application. |
| * |
| * <p>This function is not synchronous -- it returns as soon as the |
| * instrumentation has started and while it is running. |
| * |
| * <p>Instrumentation is normally only allowed to run against a package |
| * that is either unsigned or signed with a signature that the |
| * the instrumentation package is also signed with (ensuring the target |
| * trusts the instrumentation). |
| * |
| * @param className Name of the Instrumentation component to be run. |
| * @param profileFile Optional path to write profiling data as the |
| * instrumentation runs, or null for no profiling. |
| * @param arguments Additional optional arguments to pass to the |
| * instrumentation, or null. |
| * |
| * @return Returns true if the instrumentation was successfully started, |
| * else false if it could not be found. |
| */ |
| public abstract boolean startInstrumentation(ComponentName className, |
| String profileFile, Bundle arguments); |
| |
| /** |
| * Return the handle to a system-level service by name. The class of the |
| * returned object varies by the requested name. Currently available names |
| * are: |
| * |
| * <dl> |
| * <dt> {@link #WINDOW_SERVICE} ("window") |
| * <dd> The top-level window manager in which you can place custom |
| * windows. The returned object is a {@link android.view.WindowManager}. |
| * <dt> {@link #LAYOUT_INFLATER_SERVICE} ("layout_inflater") |
| * <dd> A {@link android.view.LayoutInflater} for inflating layout resources |
| * in this context. |
| * <dt> {@link #ACTIVITY_SERVICE} ("activity") |
| * <dd> A {@link android.app.ActivityManager} for interacting with the |
| * global activity state of the system. |
| * <dt> {@link #POWER_SERVICE} ("power") |
| * <dd> A {@link android.os.PowerManager} for controlling power |
| * management. |
| * <dt> {@link #ALARM_SERVICE} ("alarm") |
| * <dd> A {@link android.app.AlarmManager} for receiving intents at the |
| * time of your choosing. |
| * <dt> {@link #NOTIFICATION_SERVICE} ("notification") |
| * <dd> A {@link android.app.NotificationManager} for informing the user |
| * of background events. |
| * <dt> {@link #KEYGUARD_SERVICE} ("keyguard") |
| * <dd> A {@link android.app.KeyguardManager} for controlling keyguard. |
| * <dt> {@link #LOCATION_SERVICE} ("location") |
| * <dd> A {@link android.location.LocationManager} for controlling location |
| * (e.g., GPS) updates. |
| * <dt> {@link #SEARCH_SERVICE} ("search") |
| * <dd> A {@link android.app.SearchManager} for handling search. |
| * <dt> {@link #VIBRATOR_SERVICE} ("vibrator") |
| * <dd> A {@link android.os.Vibrator} for interacting with the vibrator |
| * hardware. |
| * <dt> {@link #CONNECTIVITY_SERVICE} ("connection") |
| * <dd> A {@link android.net.ConnectivityManager ConnectivityManager} for |
| * handling management of network connections. |
| * <dt> {@link #WIFI_SERVICE} ("wifi") |
| * <dd> A {@link android.net.wifi.WifiManager WifiManager} for management of |
| * Wi-Fi connectivity. |
| * <dt> {@link #INPUT_METHOD_SERVICE} ("input_method") |
| * <dd> An {@link android.view.inputmethod.InputMethodManager InputMethodManager} |
| * for management of input methods. |
| * <dt> {@link #UI_MODE_SERVICE} ("uimode") |
| * <dd> An {@link android.app.UiModeManager} for controlling UI modes. |
| * <dt> {@link #DOWNLOAD_SERVICE} ("download") |
| * <dd> A {@link android.app.DownloadManager} for requesting HTTP downloads |
| * </dl> |
| * |
| * <p>Note: System services obtained via this API may be closely associated with |
| * the Context in which they are obtained from. In general, do not share the |
| * service objects between various different contexts (Activities, Applications, |
| * Services, Providers, etc.) |
| * |
| * @param name The name of the desired service. |
| * |
| * @return The service or null if the name does not exist. |
| * |
| * @see #WINDOW_SERVICE |
| * @see android.view.WindowManager |
| * @see #LAYOUT_INFLATER_SERVICE |
| * @see android.view.LayoutInflater |
| * @see #ACTIVITY_SERVICE |
| * @see android.app.ActivityManager |
| * @see #POWER_SERVICE |
| * @see android.os.PowerManager |
| * @see #ALARM_SERVICE |
| * @see android.app.AlarmManager |
| * @see #NOTIFICATION_SERVICE |
| * @see android.app.NotificationManager |
| * @see #KEYGUARD_SERVICE |
| * @see android.app.KeyguardManager |
| * @see #LOCATION_SERVICE |
| * @see android.location.LocationManager |
| * @see #SEARCH_SERVICE |
| * @see android.app.SearchManager |
| * @see #SENSOR_SERVICE |
| * @see android.hardware.SensorManager |
| * @see #STORAGE_SERVICE |
| * @see android.os.storage.StorageManager |
| * @see #VIBRATOR_SERVICE |
| * @see android.os.Vibrator |
| * @see #CONNECTIVITY_SERVICE |
| * @see android.net.ConnectivityManager |
| * @see #WIFI_SERVICE |
| * @see android.net.wifi.WifiManager |
| * @see #AUDIO_SERVICE |
| * @see android.media.AudioManager |
| * @see #TELEPHONY_SERVICE |
| * @see android.telephony.TelephonyManager |
| * @see #INPUT_METHOD_SERVICE |
| * @see android.view.inputmethod.InputMethodManager |
| * @see #UI_MODE_SERVICE |
| * @see android.app.UiModeManager |
| * @see #DOWNLOAD_SERVICE |
| * @see android.app.DownloadManager |
| */ |
| public abstract Object getSystemService(String name); |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.os.PowerManager} for controlling power management, |
| * including "wake locks," which let you keep the device on while |
| * you're running long tasks. |
| */ |
| public static final String POWER_SERVICE = "power"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.view.WindowManager} for accessing the system's window |
| * manager. |
| * |
| * @see #getSystemService |
| * @see android.view.WindowManager |
| */ |
| public static final String WINDOW_SERVICE = "window"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.view.LayoutInflater} for inflating layout resources in this |
| * context. |
| * |
| * @see #getSystemService |
| * @see android.view.LayoutInflater |
| */ |
| public static final String LAYOUT_INFLATER_SERVICE = "layout_inflater"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.accounts.AccountManager} for receiving intents at a |
| * time of your choosing. |
| * |
| * @see #getSystemService |
| * @see android.accounts.AccountManager |
| */ |
| public static final String ACCOUNT_SERVICE = "account"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.app.ActivityManager} for interacting with the global |
| * system state. |
| * |
| * @see #getSystemService |
| * @see android.app.ActivityManager |
| */ |
| public static final String ACTIVITY_SERVICE = "activity"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.app.AlarmManager} for receiving intents at a |
| * time of your choosing. |
| * |
| * @see #getSystemService |
| * @see android.app.AlarmManager |
| */ |
| public static final String ALARM_SERVICE = "alarm"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.app.NotificationManager} for informing the user of |
| * background events. |
| * |
| * @see #getSystemService |
| * @see android.app.NotificationManager |
| */ |
| public static final String NOTIFICATION_SERVICE = "notification"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.view.accessibility.AccessibilityManager} for giving the user |
| * feedback for UI events through the registered event listeners. |
| * |
| * @see #getSystemService |
| * @see android.view.accessibility.AccessibilityManager |
| */ |
| public static final String ACCESSIBILITY_SERVICE = "accessibility"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.app.NotificationManager} for controlling keyguard. |
| * |
| * @see #getSystemService |
| * @see android.app.KeyguardManager |
| */ |
| public static final String KEYGUARD_SERVICE = "keyguard"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.location.LocationManager} for controlling location |
| * updates. |
| * |
| * @see #getSystemService |
| * @see android.location.LocationManager |
| */ |
| public static final String LOCATION_SERVICE = "location"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.location.CountryDetector} for detecting the country that |
| * the user is in. |
| * |
| * @hide |
| */ |
| public static final String COUNTRY_DETECTOR = "country_detector"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.app.SearchManager} for handling searches. |
| * |
| * @see #getSystemService |
| * @see android.app.SearchManager |
| */ |
| public static final String SEARCH_SERVICE = "search"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.hardware.SensorManager} for accessing sensors. |
| * |
| * @see #getSystemService |
| * @see android.hardware.SensorManager |
| */ |
| public static final String SENSOR_SERVICE = "sensor"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.os.storage.StorageManager} for accessing system storage |
| * functions. |
| * |
| * @see #getSystemService |
| * @see android.os.storage.StorageManager |
| */ |
| public static final String STORAGE_SERVICE = "storage"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * com.android.server.WallpaperService for accessing wallpapers. |
| * |
| * @see #getSystemService |
| */ |
| public static final String WALLPAPER_SERVICE = "wallpaper"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.os.Vibrator} for interacting with the vibration hardware. |
| * |
| * @see #getSystemService |
| * @see android.os.Vibrator |
| */ |
| public static final String VIBRATOR_SERVICE = "vibrator"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.app.StatusBarManager} for interacting with the status bar. |
| * |
| * @see #getSystemService |
| * @see android.app.StatusBarManager |
| * @hide |
| */ |
| public static final String STATUS_BAR_SERVICE = "statusbar"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.net.ConnectivityManager} for handling management of |
| * network connections. |
| * |
| * @see #getSystemService |
| * @see android.net.ConnectivityManager |
| */ |
| public static final String CONNECTIVITY_SERVICE = "connectivity"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.net.ThrottleManager} for handling management of |
| * throttling. |
| * |
| * @hide |
| * @see #getSystemService |
| * @see android.net.ThrottleManager |
| */ |
| public static final String THROTTLE_SERVICE = "throttle"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.net.NetworkManagementService} for handling management of |
| * system network services |
| * |
| * @hide |
| * @see #getSystemService |
| * @see android.net.NetworkManagementService |
| */ |
| public static final String NETWORKMANAGEMENT_SERVICE = "network_management"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a {@link |
| * android.net.wifi.WifiManager} for handling management of |
| * Wi-Fi access. |
| * |
| * @see #getSystemService |
| * @see android.net.wifi.WifiManager |
| */ |
| public static final String WIFI_SERVICE = "wifi"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.media.AudioManager} for handling management of volume, |
| * ringer modes and audio routing. |
| * |
| * @see #getSystemService |
| * @see android.media.AudioManager |
| */ |
| public static final String AUDIO_SERVICE = "audio"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.telephony.TelephonyManager} for handling management the |
| * telephony features of the device. |
| * |
| * @see #getSystemService |
| * @see android.telephony.TelephonyManager |
| */ |
| public static final String TELEPHONY_SERVICE = "phone"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.text.ClipboardManager} for accessing and modifying |
| * the contents of the global clipboard. |
| * |
| * @see #getSystemService |
| * @see android.text.ClipboardManager |
| */ |
| public static final String CLIPBOARD_SERVICE = "clipboard"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.view.inputmethod.InputMethodManager} for accessing input |
| * methods. |
| * |
| * @see #getSystemService |
| */ |
| public static final String INPUT_METHOD_SERVICE = "input_method"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.appwidget.AppWidgetManager} for accessing AppWidgets. |
| * |
| * @hide |
| * @see #getSystemService |
| */ |
| public static final String APPWIDGET_SERVICE = "appwidget"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve an |
| * {@link android.app.backup.IBackupManager IBackupManager} for communicating |
| * with the backup mechanism. |
| * @hide |
| * |
| * @see #getSystemService |
| */ |
| public static final String BACKUP_SERVICE = "backup"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.os.DropBoxManager} instance for recording |
| * diagnostic logs. |
| * @see #getSystemService |
| */ |
| public static final String DROPBOX_SERVICE = "dropbox"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.app.admin.DevicePolicyManager} for working with global |
| * device policy management. |
| * |
| * @see #getSystemService |
| */ |
| public static final String DEVICE_POLICY_SERVICE = "device_policy"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.app.UiModeManager} for controlling UI modes. |
| * |
| * @see #getSystemService |
| */ |
| public static final String UI_MODE_SERVICE = "uimode"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.app.DownloadManager} for requesting HTTP downloads. |
| * |
| * @see #getSystemService |
| */ |
| public static final String DOWNLOAD_SERVICE = "download"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.nfc.NfcManager} for using NFC. |
| * |
| * @see #getSystemService |
| */ |
| public static final String NFC_SERVICE = "nfc"; |
| |
| /** |
| * Use with {@link #getSystemService} to retrieve a |
| * {@link android.net.sip.SipManager} for accessing the SIP related service. |
| * |
| * @see #getSystemService |
| */ |
| /** @hide */ |
| public static final String SIP_SERVICE = "sip"; |
| |
| /** |
| * Determine whether the given permission is allowed for a particular |
| * process and user ID running in the system. |
| * |
| * @param permission The name of the permission being checked. |
| * @param pid The process ID being checked against. Must be > 0. |
| * @param uid The user ID being checked against. A uid of 0 is the root |
| * user, which will pass every permission check. |
| * |
| * @return Returns {@link PackageManager#PERMISSION_GRANTED} if the given |
| * pid/uid is allowed that permission, or |
| * {@link PackageManager#PERMISSION_DENIED} if it is not. |
| * |
| * @see PackageManager#checkPermission(String, String) |
| * @see #checkCallingPermission |
| */ |
| public abstract int checkPermission(String permission, int pid, int uid); |
| |
| /** |
| * Determine whether the calling process of an IPC you are handling has been |
| * granted a particular permission. This is basically the same as calling |
| * {@link #checkPermission(String, int, int)} with the pid and uid returned |
| * by {@link android.os.Binder#getCallingPid} and |
| * {@link android.os.Binder#getCallingUid}. One important difference |
| * is that if you are not currently processing an IPC, this function |
| * will always fail. This is done to protect against accidentally |
| * leaking permissions; you can use {@link #checkCallingOrSelfPermission} |
| * to avoid this protection. |
| * |
| * @param permission The name of the permission being checked. |
| * |
| * @return Returns {@link PackageManager#PERMISSION_GRANTED} if the calling |
| * pid/uid is allowed that permission, or |
| * {@link PackageManager#PERMISSION_DENIED} if it is not. |
| * |
| * @see PackageManager#checkPermission(String, String) |
| * @see #checkPermission |
| * @see #checkCallingOrSelfPermission |
| */ |
| public abstract int checkCallingPermission(String permission); |
| |
| /** |
| * Determine whether the calling process of an IPC <em>or you</em> have been |
| * granted a particular permission. This is the same as |
| * {@link #checkCallingPermission}, except it grants your own permissions |
| * if you are not currently processing an IPC. Use with care! |
| * |
| * @param permission The name of the permission being checked. |
| * |
| * @return Returns {@link PackageManager#PERMISSION_GRANTED} if the calling |
| * pid/uid is allowed that permission, or |
| * {@link PackageManager#PERMISSION_DENIED} if it is not. |
| * |
| * @see PackageManager#checkPermission(String, String) |
| * @see #checkPermission |
| * @see #checkCallingPermission |
| */ |
| public abstract int checkCallingOrSelfPermission(String permission); |
| |
| /** |
| * If the given permission is not allowed for a particular process |
| * and user ID running in the system, throw a {@link SecurityException}. |
| * |
| * @param permission The name of the permission being checked. |
| * @param pid The process ID being checked against. Must be > 0. |
| * @param uid The user ID being checked against. A uid of 0 is the root |
| * user, which will pass every permission check. |
| * @param message A message to include in the exception if it is thrown. |
| * |
| * @see #checkPermission(String, int, int) |
| */ |
| public abstract void enforcePermission( |
| String permission, int pid, int uid, String message); |
| |
| /** |
| * If the calling process of an IPC you are handling has not been |
| * granted a particular permission, throw a {@link |
| * SecurityException}. This is basically the same as calling |
| * {@link #enforcePermission(String, int, int, String)} with the |
| * pid and uid returned by {@link android.os.Binder#getCallingPid} |
| * and {@link android.os.Binder#getCallingUid}. One important |
| * difference is that if you are not currently processing an IPC, |
| * this function will always throw the SecurityException. This is |
| * done to protect against accidentally leaking permissions; you |
| * can use {@link #enforceCallingOrSelfPermission} to avoid this |
| * protection. |
| * |
| * @param permission The name of the permission being checked. |
| * @param message A message to include in the exception if it is thrown. |
| * |
| * @see #checkCallingPermission(String) |
| */ |
| public abstract void enforceCallingPermission( |
| String permission, String message); |
| |
| /** |
| * If neither you nor the calling process of an IPC you are |
| * handling has been granted a particular permission, throw a |
| * {@link SecurityException}. This is the same as {@link |
| * #enforceCallingPermission}, except it grants your own |
| * permissions if you are not currently processing an IPC. Use |
| * with care! |
| * |
| * @param permission The name of the permission being checked. |
| * @param message A message to include in the exception if it is thrown. |
| * |
| * @see #checkCallingOrSelfPermission(String) |
| */ |
| public abstract void enforceCallingOrSelfPermission( |
| String permission, String message); |
| |
| /** |
| * Grant permission to access a specific Uri to another package, regardless |
| * of whether that package has general permission to access the Uri's |
| * content provider. This can be used to grant specific, temporary |
| * permissions, typically in response to user interaction (such as the |
| * user opening an attachment that you would like someone else to |
| * display). |
| * |
| * <p>Normally you should use {@link Intent#FLAG_GRANT_READ_URI_PERMISSION |
| * Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION |
| * Intent.FLAG_GRANT_WRITE_URI_PERMISSION} with the Intent being used to |
| * start an activity instead of this function directly. If you use this |
| * function directly, you should be sure to call |
| * {@link #revokeUriPermission} when the target should no longer be allowed |
| * to access it. |
| * |
| * <p>To succeed, the content provider owning the Uri must have set the |
| * {@link android.R.styleable#AndroidManifestProvider_grantUriPermissions |
| * grantUriPermissions} attribute in its manifest or included the |
| * {@link android.R.styleable#AndroidManifestGrantUriPermission |
| * <grant-uri-permissions>} tag. |
| * |
| * @param toPackage The package you would like to allow to access the Uri. |
| * @param uri The Uri you would like to grant access to. |
| * @param modeFlags The desired access modes. Any combination of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION |
| * Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION |
| * Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * |
| * @see #revokeUriPermission |
| */ |
| public abstract void grantUriPermission(String toPackage, Uri uri, |
| int modeFlags); |
| |
| /** |
| * Remove all permissions to access a particular content provider Uri |
| * that were previously added with {@link #grantUriPermission}. The given |
| * Uri will match all previously granted Uris that are the same or a |
| * sub-path of the given Uri. That is, revoking "content://foo/one" will |
| * revoke both "content://foo/target" and "content://foo/target/sub", but not |
| * "content://foo". |
| * |
| * @param uri The Uri you would like to revoke access to. |
| * @param modeFlags The desired access modes. Any combination of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION |
| * Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION |
| * Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * |
| * @see #grantUriPermission |
| */ |
| public abstract void revokeUriPermission(Uri uri, int modeFlags); |
| |
| /** |
| * Determine whether a particular process and user ID has been granted |
| * permission to access a specific URI. This only checks for permissions |
| * that have been explicitly granted -- if the given process/uid has |
| * more general access to the URI's content provider then this check will |
| * always fail. |
| * |
| * @param uri The uri that is being checked. |
| * @param pid The process ID being checked against. Must be > 0. |
| * @param uid The user ID being checked against. A uid of 0 is the root |
| * user, which will pass every permission check. |
| * @param modeFlags The type of access to grant. May be one or both of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * |
| * @return Returns {@link PackageManager#PERMISSION_GRANTED} if the given |
| * pid/uid is allowed to access that uri, or |
| * {@link PackageManager#PERMISSION_DENIED} if it is not. |
| * |
| * @see #checkCallingUriPermission |
| */ |
| public abstract int checkUriPermission(Uri uri, int pid, int uid, int modeFlags); |
| |
| /** |
| * Determine whether the calling process and user ID has been |
| * granted permission to access a specific URI. This is basically |
| * the same as calling {@link #checkUriPermission(Uri, int, int, |
| * int)} with the pid and uid returned by {@link |
| * android.os.Binder#getCallingPid} and {@link |
| * android.os.Binder#getCallingUid}. One important difference is |
| * that if you are not currently processing an IPC, this function |
| * will always fail. |
| * |
| * @param uri The uri that is being checked. |
| * @param modeFlags The type of access to grant. May be one or both of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * |
| * @return Returns {@link PackageManager#PERMISSION_GRANTED} if the caller |
| * is allowed to access that uri, or |
| * {@link PackageManager#PERMISSION_DENIED} if it is not. |
| * |
| * @see #checkUriPermission(Uri, int, int, int) |
| */ |
| public abstract int checkCallingUriPermission(Uri uri, int modeFlags); |
| |
| /** |
| * Determine whether the calling process of an IPC <em>or you</em> has been granted |
| * permission to access a specific URI. This is the same as |
| * {@link #checkCallingUriPermission}, except it grants your own permissions |
| * if you are not currently processing an IPC. Use with care! |
| * |
| * @param uri The uri that is being checked. |
| * @param modeFlags The type of access to grant. May be one or both of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * |
| * @return Returns {@link PackageManager#PERMISSION_GRANTED} if the caller |
| * is allowed to access that uri, or |
| * {@link PackageManager#PERMISSION_DENIED} if it is not. |
| * |
| * @see #checkCallingUriPermission |
| */ |
| public abstract int checkCallingOrSelfUriPermission(Uri uri, int modeFlags); |
| |
| /** |
| * Check both a Uri and normal permission. This allows you to perform |
| * both {@link #checkPermission} and {@link #checkUriPermission} in one |
| * call. |
| * |
| * @param uri The Uri whose permission is to be checked, or null to not |
| * do this check. |
| * @param readPermission The permission that provides overall read access, |
| * or null to not do this check. |
| * @param writePermission The permission that provides overall write |
| * acess, or null to not do this check. |
| * @param pid The process ID being checked against. Must be > 0. |
| * @param uid The user ID being checked against. A uid of 0 is the root |
| * user, which will pass every permission check. |
| * @param modeFlags The type of access to grant. May be one or both of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * |
| * @return Returns {@link PackageManager#PERMISSION_GRANTED} if the caller |
| * is allowed to access that uri or holds one of the given permissions, or |
| * {@link PackageManager#PERMISSION_DENIED} if it is not. |
| */ |
| public abstract int checkUriPermission(Uri uri, String readPermission, |
| String writePermission, int pid, int uid, int modeFlags); |
| |
| /** |
| * If a particular process and user ID has not been granted |
| * permission to access a specific URI, throw {@link |
| * SecurityException}. This only checks for permissions that have |
| * been explicitly granted -- if the given process/uid has more |
| * general access to the URI's content provider then this check |
| * will always fail. |
| * |
| * @param uri The uri that is being checked. |
| * @param pid The process ID being checked against. Must be > 0. |
| * @param uid The user ID being checked against. A uid of 0 is the root |
| * user, which will pass every permission check. |
| * @param modeFlags The type of access to grant. May be one or both of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * @param message A message to include in the exception if it is thrown. |
| * |
| * @see #checkUriPermission(Uri, int, int, int) |
| */ |
| public abstract void enforceUriPermission( |
| Uri uri, int pid, int uid, int modeFlags, String message); |
| |
| /** |
| * If the calling process and user ID has not been granted |
| * permission to access a specific URI, throw {@link |
| * SecurityException}. This is basically the same as calling |
| * {@link #enforceUriPermission(Uri, int, int, int, String)} with |
| * the pid and uid returned by {@link |
| * android.os.Binder#getCallingPid} and {@link |
| * android.os.Binder#getCallingUid}. One important difference is |
| * that if you are not currently processing an IPC, this function |
| * will always throw a SecurityException. |
| * |
| * @param uri The uri that is being checked. |
| * @param modeFlags The type of access to grant. May be one or both of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * @param message A message to include in the exception if it is thrown. |
| * |
| * @see #checkCallingUriPermission(Uri, int) |
| */ |
| public abstract void enforceCallingUriPermission( |
| Uri uri, int modeFlags, String message); |
| |
| /** |
| * If the calling process of an IPC <em>or you</em> has not been |
| * granted permission to access a specific URI, throw {@link |
| * SecurityException}. This is the same as {@link |
| * #enforceCallingUriPermission}, except it grants your own |
| * permissions if you are not currently processing an IPC. Use |
| * with care! |
| * |
| * @param uri The uri that is being checked. |
| * @param modeFlags The type of access to grant. May be one or both of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * @param message A message to include in the exception if it is thrown. |
| * |
| * @see #checkCallingOrSelfUriPermission(Uri, int) |
| */ |
| public abstract void enforceCallingOrSelfUriPermission( |
| Uri uri, int modeFlags, String message); |
| |
| /** |
| * Enforce both a Uri and normal permission. This allows you to perform |
| * both {@link #enforcePermission} and {@link #enforceUriPermission} in one |
| * call. |
| * |
| * @param uri The Uri whose permission is to be checked, or null to not |
| * do this check. |
| * @param readPermission The permission that provides overall read access, |
| * or null to not do this check. |
| * @param writePermission The permission that provides overall write |
| * acess, or null to not do this check. |
| * @param pid The process ID being checked against. Must be > 0. |
| * @param uid The user ID being checked against. A uid of 0 is the root |
| * user, which will pass every permission check. |
| * @param modeFlags The type of access to grant. May be one or both of |
| * {@link Intent#FLAG_GRANT_READ_URI_PERMISSION Intent.FLAG_GRANT_READ_URI_PERMISSION} or |
| * {@link Intent#FLAG_GRANT_WRITE_URI_PERMISSION Intent.FLAG_GRANT_WRITE_URI_PERMISSION}. |
| * @param message A message to include in the exception if it is thrown. |
| * |
| * @see #checkUriPermission(Uri, String, String, int, int, int) |
| */ |
| public abstract void enforceUriPermission( |
| Uri uri, String readPermission, String writePermission, |
| int pid, int uid, int modeFlags, String message); |
| |
| /** |
| * Flag for use with {@link #createPackageContext}: include the application |
| * code with the context. This means loading code into the caller's |
| * process, so that {@link #getClassLoader()} can be used to instantiate |
| * the application's classes. Setting this flags imposes security |
| * restrictions on what application context you can access; if the |
| * requested application can not be safely loaded into your process, |
| * java.lang.SecurityException will be thrown. If this flag is not set, |
| * there will be no restrictions on the packages that can be loaded, |
| * but {@link #getClassLoader} will always return the default system |
| * class loader. |
| */ |
| public static final int CONTEXT_INCLUDE_CODE = 0x00000001; |
| |
| /** |
| * Flag for use with {@link #createPackageContext}: ignore any security |
| * restrictions on the Context being requested, allowing it to always |
| * be loaded. For use with {@link #CONTEXT_INCLUDE_CODE} to allow code |
| * to be loaded into a process even when it isn't safe to do so. Use |
| * with extreme care! |
| */ |
| public static final int CONTEXT_IGNORE_SECURITY = 0x00000002; |
| |
| /** |
| * Flag for use with {@link #createPackageContext}: a restricted context may |
| * disable specific features. For instance, a View associated with a restricted |
| * context would ignore particular XML attributes. |
| */ |
| public static final int CONTEXT_RESTRICTED = 0x00000004; |
| |
| /** |
| * Return a new Context object for the given application name. This |
| * Context is the same as what the named application gets when it is |
| * launched, containing the same resources and class loader. Each call to |
| * this method returns a new instance of a Context object; Context objects |
| * are not shared, however they share common state (Resources, ClassLoader, |
| * etc) so the Context instance itself is fairly lightweight. |
| * |
| * <p>Throws {@link PackageManager.NameNotFoundException} if there is no |
| * application with the given package name. |
| * |
| * <p>Throws {@link java.lang.SecurityException} if the Context requested |
| * can not be loaded into the caller's process for security reasons (see |
| * {@link #CONTEXT_INCLUDE_CODE} for more information}. |
| * |
| * @param packageName Name of the application's package. |
| * @param flags Option flags, one of {@link #CONTEXT_INCLUDE_CODE} |
| * or {@link #CONTEXT_IGNORE_SECURITY}. |
| * |
| * @return A Context for the application. |
| * |
| * @throws java.lang.SecurityException |
| * @throws PackageManager.NameNotFoundException if there is no application with |
| * the given package name |
| */ |
| public abstract Context createPackageContext(String packageName, |
| int flags) throws PackageManager.NameNotFoundException; |
| |
| /** |
| * Indicates whether this Context is restricted. |
| * |
| * @return True if this Context is restricted, false otherwise. |
| * |
| * @see #CONTEXT_RESTRICTED |
| */ |
| public boolean isRestricted() { |
| return false; |
| } |
| } |