| /* |
| * Copyright (C) 2007 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.app; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.ConfigurationInfo; |
| import android.content.pm.IPackageDataObserver; |
| import android.graphics.Bitmap; |
| import android.os.Debug; |
| import android.os.RemoteException; |
| import android.os.Handler; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.os.SystemProperties; |
| import android.text.TextUtils; |
| import java.util.List; |
| |
| /** |
| * Interact with the overall activities running in the system. |
| */ |
| public class ActivityManager { |
| private static String TAG = "ActivityManager"; |
| private static boolean DEBUG = false; |
| private static boolean localLOGV = DEBUG || android.util.Config.LOGV; |
| |
| private final Context mContext; |
| private final Handler mHandler; |
| |
| /*package*/ ActivityManager(Context context, Handler handler) { |
| mContext = context; |
| mHandler = handler; |
| } |
| |
| /** |
| * Return the approximate per-application memory class of the current |
| * device. This gives you an idea of how hard a memory limit you should |
| * impose on your application to let the overall system work best. The |
| * returned value is in megabytes; the baseline Android memory class is |
| * 16 (which happens to be the Java heap limit of those devices); some |
| * device with more memory may return 24 or even higher numbers. |
| */ |
| public int getMemoryClass() { |
| return staticGetMemoryClass(); |
| } |
| |
| /** @hide */ |
| static public int staticGetMemoryClass() { |
| // Really brain dead right now -- just take this from the configured |
| // vm heap size, and assume it is in megabytes and thus ends with "m". |
| String vmHeapSize = SystemProperties.get("dalvik.vm.heapsize", "16m"); |
| return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length()-1)); |
| } |
| |
| /** |
| * Information you can retrieve about tasks that the user has most recently |
| * started or visited. |
| */ |
| public static class RecentTaskInfo implements Parcelable { |
| /** |
| * If this task is currently running, this is the identifier for it. |
| * If it is not running, this will be -1. |
| */ |
| public int id; |
| |
| /** |
| * The original Intent used to launch the task. You can use this |
| * Intent to re-launch the task (if it is no longer running) or bring |
| * the current task to the front. |
| */ |
| public Intent baseIntent; |
| |
| /** |
| * If this task was started from an alias, this is the actual |
| * activity component that was initially started; the component of |
| * the baseIntent in this case is the name of the actual activity |
| * implementation that the alias referred to. Otherwise, this is null. |
| */ |
| public ComponentName origActivity; |
| |
| public RecentTaskInfo() { |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(id); |
| if (baseIntent != null) { |
| dest.writeInt(1); |
| baseIntent.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| ComponentName.writeToParcel(origActivity, dest); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| id = source.readInt(); |
| if (source.readInt() != 0) { |
| baseIntent = Intent.CREATOR.createFromParcel(source); |
| } else { |
| baseIntent = null; |
| } |
| origActivity = ComponentName.readFromParcel(source); |
| } |
| |
| public static final Creator<RecentTaskInfo> CREATOR |
| = new Creator<RecentTaskInfo>() { |
| public RecentTaskInfo createFromParcel(Parcel source) { |
| return new RecentTaskInfo(source); |
| } |
| public RecentTaskInfo[] newArray(int size) { |
| return new RecentTaskInfo[size]; |
| } |
| }; |
| |
| private RecentTaskInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Flag for use with {@link #getRecentTasks}: return all tasks, even those |
| * that have set their |
| * {@link android.content.Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag. |
| */ |
| public static final int RECENT_WITH_EXCLUDED = 0x0001; |
| |
| /** |
| * @hide |
| * TODO: Make this public. Provides a list that does not contain any |
| * recent tasks that currently are not available to the user. |
| */ |
| public static final int RECENT_IGNORE_UNAVAILABLE = 0x0002; |
| |
| /** |
| * Return a list of the tasks that the user has recently launched, with |
| * the most recent being first and older ones after in order. |
| * |
| * @param maxNum The maximum number of entries to return in the list. The |
| * actual number returned may be smaller, depending on how many tasks the |
| * user has started and the maximum number the system can remember. |
| * |
| * @return Returns a list of RecentTaskInfo records describing each of |
| * the recent tasks. |
| * |
| * @throws SecurityException Throws SecurityException if the caller does |
| * not hold the {@link android.Manifest.permission#GET_TASKS} permission. |
| */ |
| public List<RecentTaskInfo> getRecentTasks(int maxNum, int flags) |
| throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault().getRecentTasks(maxNum, |
| flags); |
| } catch (RemoteException e) { |
| // System dead, we will be dead too soon! |
| return null; |
| } |
| } |
| |
| /** |
| * Information you can retrieve about a particular task that is currently |
| * "running" in the system. Note that a running task does not mean the |
| * given task actual has a process it is actively running in; it simply |
| * means that the user has gone to it and never closed it, but currently |
| * the system may have killed its process and is only holding on to its |
| * last state in order to restart it when the user returns. |
| */ |
| public static class RunningTaskInfo implements Parcelable { |
| /** |
| * A unique identifier for this task. |
| */ |
| public int id; |
| |
| /** |
| * The component launched as the first activity in the task. This can |
| * be considered the "application" of this task. |
| */ |
| public ComponentName baseActivity; |
| |
| /** |
| * The activity component at the top of the history stack of the task. |
| * This is what the user is currently doing. |
| */ |
| public ComponentName topActivity; |
| |
| /** |
| * Thumbnail representation of the task's current state. |
| */ |
| public Bitmap thumbnail; |
| |
| /** |
| * Description of the task's current state. |
| */ |
| public CharSequence description; |
| |
| /** |
| * Number of activities in this task. |
| */ |
| public int numActivities; |
| |
| /** |
| * Number of activities that are currently running (not stopped |
| * and persisted) in this task. |
| */ |
| public int numRunning; |
| |
| public RunningTaskInfo() { |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(id); |
| ComponentName.writeToParcel(baseActivity, dest); |
| ComponentName.writeToParcel(topActivity, dest); |
| if (thumbnail != null) { |
| dest.writeInt(1); |
| thumbnail.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| TextUtils.writeToParcel(description, dest, |
| Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
| dest.writeInt(numActivities); |
| dest.writeInt(numRunning); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| id = source.readInt(); |
| baseActivity = ComponentName.readFromParcel(source); |
| topActivity = ComponentName.readFromParcel(source); |
| if (source.readInt() != 0) { |
| thumbnail = Bitmap.CREATOR.createFromParcel(source); |
| } else { |
| thumbnail = null; |
| } |
| description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); |
| numActivities = source.readInt(); |
| numRunning = source.readInt(); |
| } |
| |
| public static final Creator<RunningTaskInfo> CREATOR = new Creator<RunningTaskInfo>() { |
| public RunningTaskInfo createFromParcel(Parcel source) { |
| return new RunningTaskInfo(source); |
| } |
| public RunningTaskInfo[] newArray(int size) { |
| return new RunningTaskInfo[size]; |
| } |
| }; |
| |
| private RunningTaskInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Return a list of the tasks that are currently running, with |
| * the most recent being first and older ones after in order. Note that |
| * "running" does not mean any of the task's code is currently loaded or |
| * activity -- the task may have been frozen by the system, so that it |
| * can be restarted in its previous state when next brought to the |
| * foreground. |
| * |
| * @param maxNum The maximum number of entries to return in the list. The |
| * actual number returned may be smaller, depending on how many tasks the |
| * user has started. |
| * |
| * @param flags Optional flags |
| * @param receiver Optional receiver for delayed thumbnails |
| * |
| * @return Returns a list of RunningTaskInfo records describing each of |
| * the running tasks. |
| * |
| * Some thumbnails may not be available at the time of this call. The optional |
| * receiver may be used to receive those thumbnails. |
| * |
| * @throws SecurityException Throws SecurityException if the caller does |
| * not hold the {@link android.Manifest.permission#GET_TASKS} permission. |
| * |
| * @hide |
| */ |
| public List<RunningTaskInfo> getRunningTasks(int maxNum, int flags, IThumbnailReceiver receiver) |
| throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault().getTasks(maxNum, flags, receiver); |
| } catch (RemoteException e) { |
| // System dead, we will be dead too soon! |
| return null; |
| } |
| } |
| |
| /** |
| * Return a list of the tasks that are currently running, with |
| * the most recent being first and older ones after in order. Note that |
| * "running" does not mean any of the task's code is currently loaded or |
| * activity -- the task may have been frozen by the system, so that it |
| * can be restarted in its previous state when next brought to the |
| * foreground. |
| * |
| * @param maxNum The maximum number of entries to return in the list. The |
| * actual number returned may be smaller, depending on how many tasks the |
| * user has started. |
| * |
| * @return Returns a list of RunningTaskInfo records describing each of |
| * the running tasks. |
| * |
| * @throws SecurityException Throws SecurityException if the caller does |
| * not hold the {@link android.Manifest.permission#GET_TASKS} permission. |
| */ |
| public List<RunningTaskInfo> getRunningTasks(int maxNum) |
| throws SecurityException { |
| return getRunningTasks(maxNum, 0, null); |
| } |
| |
| /** |
| * Information you can retrieve about a particular Service that is |
| * currently running in the system. |
| */ |
| public static class RunningServiceInfo implements Parcelable { |
| /** |
| * The service component. |
| */ |
| public ComponentName service; |
| |
| /** |
| * If non-zero, this is the process the service is running in. |
| */ |
| public int pid; |
| |
| /** |
| * The UID that owns this service. |
| */ |
| public int uid; |
| |
| /** |
| * The name of the process this service runs in. |
| */ |
| public String process; |
| |
| /** |
| * Set to true if the service has asked to run as a foreground process. |
| */ |
| public boolean foreground; |
| |
| /** |
| * The time when the service was first made active, either by someone |
| * starting or binding to it. This |
| * is in units of {@link android.os.SystemClock#elapsedRealtime()}. |
| */ |
| public long activeSince; |
| |
| /** |
| * Set to true if this service has been explicitly started. |
| */ |
| public boolean started; |
| |
| /** |
| * Number of clients connected to the service. |
| */ |
| public int clientCount; |
| |
| /** |
| * Number of times the service's process has crashed while the service |
| * is running. |
| */ |
| public int crashCount; |
| |
| /** |
| * The time when there was last activity in the service (either |
| * explicit requests to start it or clients binding to it). This |
| * is in units of {@link android.os.SystemClock#uptimeMillis()}. |
| */ |
| public long lastActivityTime; |
| |
| /** |
| * If non-zero, this service is not currently running, but scheduled to |
| * restart at the given time. |
| */ |
| public long restarting; |
| |
| /** |
| * Bit for {@link #flags}: set if this service has been |
| * explicitly started. |
| */ |
| public static final int FLAG_STARTED = 1<<0; |
| |
| /** |
| * Bit for {@link #flags}: set if the service has asked to |
| * run as a foreground process. |
| */ |
| public static final int FLAG_FOREGROUND = 1<<1; |
| |
| /** |
| * Bit for {@link #flags): set if the service is running in a |
| * core system process. |
| */ |
| public static final int FLAG_SYSTEM_PROCESS = 1<<2; |
| |
| /** |
| * Bit for {@link #flags): set if the service is running in a |
| * persistent process. |
| */ |
| public static final int FLAG_PERSISTENT_PROCESS = 1<<3; |
| |
| /** |
| * Running flags. |
| */ |
| public int flags; |
| |
| /** |
| * For special services that are bound to by system code, this is |
| * the package that holds the binding. |
| */ |
| public String clientPackage; |
| |
| /** |
| * For special services that are bound to by system code, this is |
| * a string resource providing a user-visible label for who the |
| * client is. |
| */ |
| public int clientLabel; |
| |
| public RunningServiceInfo() { |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| ComponentName.writeToParcel(service, dest); |
| dest.writeInt(pid); |
| dest.writeInt(uid); |
| dest.writeString(process); |
| dest.writeInt(foreground ? 1 : 0); |
| dest.writeLong(activeSince); |
| dest.writeInt(started ? 1 : 0); |
| dest.writeInt(clientCount); |
| dest.writeInt(crashCount); |
| dest.writeLong(lastActivityTime); |
| dest.writeLong(restarting); |
| dest.writeInt(this.flags); |
| dest.writeString(clientPackage); |
| dest.writeInt(clientLabel); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| service = ComponentName.readFromParcel(source); |
| pid = source.readInt(); |
| uid = source.readInt(); |
| process = source.readString(); |
| foreground = source.readInt() != 0; |
| activeSince = source.readLong(); |
| started = source.readInt() != 0; |
| clientCount = source.readInt(); |
| crashCount = source.readInt(); |
| lastActivityTime = source.readLong(); |
| restarting = source.readLong(); |
| flags = source.readInt(); |
| clientPackage = source.readString(); |
| clientLabel = source.readInt(); |
| } |
| |
| public static final Creator<RunningServiceInfo> CREATOR = new Creator<RunningServiceInfo>() { |
| public RunningServiceInfo createFromParcel(Parcel source) { |
| return new RunningServiceInfo(source); |
| } |
| public RunningServiceInfo[] newArray(int size) { |
| return new RunningServiceInfo[size]; |
| } |
| }; |
| |
| private RunningServiceInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Return a list of the services that are currently running. |
| * |
| * @param maxNum The maximum number of entries to return in the list. The |
| * actual number returned may be smaller, depending on how many services |
| * are running. |
| * |
| * @return Returns a list of RunningServiceInfo records describing each of |
| * the running tasks. |
| */ |
| public List<RunningServiceInfo> getRunningServices(int maxNum) |
| throws SecurityException { |
| try { |
| return (List<RunningServiceInfo>)ActivityManagerNative.getDefault() |
| .getServices(maxNum, 0); |
| } catch (RemoteException e) { |
| // System dead, we will be dead too soon! |
| return null; |
| } |
| } |
| |
| /** |
| * Returns a PendingIntent you can start to show a control panel for the |
| * given running service. If the service does not have a control panel, |
| * null is returned. |
| */ |
| public PendingIntent getRunningServiceControlPanel(ComponentName service) |
| throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault() |
| .getRunningServiceControlPanel(service); |
| } catch (RemoteException e) { |
| // System dead, we will be dead too soon! |
| return null; |
| } |
| } |
| |
| /** |
| * Information you can retrieve about the available memory through |
| * {@link ActivityManager#getMemoryInfo}. |
| */ |
| public static class MemoryInfo implements Parcelable { |
| /** |
| * The total available memory on the system. This number should not |
| * be considered absolute: due to the nature of the kernel, a significant |
| * portion of this memory is actually in use and needed for the overall |
| * system to run well. |
| */ |
| public long availMem; |
| |
| /** |
| * The threshold of {@link #availMem} at which we consider memory to be |
| * low and start killing background services and other non-extraneous |
| * processes. |
| */ |
| public long threshold; |
| |
| /** |
| * Set to true if the system considers itself to currently be in a low |
| * memory situation. |
| */ |
| public boolean lowMemory; |
| |
| public MemoryInfo() { |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeLong(availMem); |
| dest.writeLong(threshold); |
| dest.writeInt(lowMemory ? 1 : 0); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| availMem = source.readLong(); |
| threshold = source.readLong(); |
| lowMemory = source.readInt() != 0; |
| } |
| |
| public static final Creator<MemoryInfo> CREATOR |
| = new Creator<MemoryInfo>() { |
| public MemoryInfo createFromParcel(Parcel source) { |
| return new MemoryInfo(source); |
| } |
| public MemoryInfo[] newArray(int size) { |
| return new MemoryInfo[size]; |
| } |
| }; |
| |
| private MemoryInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| public void getMemoryInfo(MemoryInfo outInfo) { |
| try { |
| ActivityManagerNative.getDefault().getMemoryInfo(outInfo); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public boolean clearApplicationUserData(String packageName, IPackageDataObserver observer) { |
| try { |
| return ActivityManagerNative.getDefault().clearApplicationUserData(packageName, |
| observer); |
| } catch (RemoteException e) { |
| return false; |
| } |
| } |
| |
| /** |
| * Information you can retrieve about any processes that are in an error condition. |
| */ |
| public static class ProcessErrorStateInfo implements Parcelable { |
| /** |
| * Condition codes |
| */ |
| public static final int NO_ERROR = 0; |
| public static final int CRASHED = 1; |
| public static final int NOT_RESPONDING = 2; |
| |
| /** |
| * The condition that the process is in. |
| */ |
| public int condition; |
| |
| /** |
| * The process name in which the crash or error occurred. |
| */ |
| public String processName; |
| |
| /** |
| * The pid of this process; 0 if none |
| */ |
| public int pid; |
| |
| /** |
| * The kernel user-ID that has been assigned to this process; |
| * currently this is not a unique ID (multiple applications can have |
| * the same uid). |
| */ |
| public int uid; |
| |
| /** |
| * The activity name associated with the error, if known. May be null. |
| */ |
| public String tag; |
| |
| /** |
| * A short message describing the error condition. |
| */ |
| public String shortMsg; |
| |
| /** |
| * A long message describing the error condition. |
| */ |
| public String longMsg; |
| |
| /** |
| * The stack trace where the error originated. May be null. |
| */ |
| public String stackTrace; |
| |
| /** |
| * to be deprecated: This value will always be null. |
| */ |
| public byte[] crashData = null; |
| |
| public ProcessErrorStateInfo() { |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(condition); |
| dest.writeString(processName); |
| dest.writeInt(pid); |
| dest.writeInt(uid); |
| dest.writeString(tag); |
| dest.writeString(shortMsg); |
| dest.writeString(longMsg); |
| dest.writeString(stackTrace); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| condition = source.readInt(); |
| processName = source.readString(); |
| pid = source.readInt(); |
| uid = source.readInt(); |
| tag = source.readString(); |
| shortMsg = source.readString(); |
| longMsg = source.readString(); |
| stackTrace = source.readString(); |
| } |
| |
| public static final Creator<ProcessErrorStateInfo> CREATOR = |
| new Creator<ProcessErrorStateInfo>() { |
| public ProcessErrorStateInfo createFromParcel(Parcel source) { |
| return new ProcessErrorStateInfo(source); |
| } |
| public ProcessErrorStateInfo[] newArray(int size) { |
| return new ProcessErrorStateInfo[size]; |
| } |
| }; |
| |
| private ProcessErrorStateInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Returns a list of any processes that are currently in an error condition. The result |
| * will be null if all processes are running properly at this time. |
| * |
| * @return Returns a list of ProcessErrorStateInfo records, or null if there are no |
| * current error conditions (it will not return an empty list). This list ordering is not |
| * specified. |
| */ |
| public List<ProcessErrorStateInfo> getProcessesInErrorState() { |
| try { |
| return ActivityManagerNative.getDefault().getProcessesInErrorState(); |
| } catch (RemoteException e) { |
| return null; |
| } |
| } |
| |
| /** |
| * Information you can retrieve about a running process. |
| */ |
| public static class RunningAppProcessInfo implements Parcelable { |
| /** |
| * The name of the process that this object is associated with |
| */ |
| public String processName; |
| |
| /** |
| * The pid of this process; 0 if none |
| */ |
| public int pid; |
| |
| /** |
| * The user id of this process. |
| */ |
| public int uid; |
| |
| /** |
| * All packages that have been loaded into the process. |
| */ |
| public String pkgList[]; |
| |
| /** |
| * Constant for {@link #flags}: this is a heavy-weight process, |
| * meaning it will not be killed while in the background. |
| */ |
| public static final int FLAG_HEAVY_WEIGHT = 1<<0; |
| |
| /** |
| * Flags of information. May be any of |
| * {@link #FLAG_HEAVY_WEIGHT}. |
| */ |
| public int flags; |
| |
| /** |
| * Constant for {@link #importance}: this process is running the |
| * foreground UI. |
| */ |
| public static final int IMPORTANCE_FOREGROUND = 100; |
| |
| /** |
| * Constant for {@link #importance}: this process is running something |
| * that is actively visible to the user, though not in the immediate |
| * foreground. |
| */ |
| public static final int IMPORTANCE_VISIBLE = 200; |
| |
| /** |
| * Constant for {@link #importance}: this process is running something |
| * that is considered to be actively perceptible to the user. An |
| * example would be an application performing background music playback. |
| */ |
| public static final int IMPORTANCE_PERCEPTIBLE = 130; |
| |
| /** |
| * Constant for {@link #importance}: this process is running a |
| * heavy-weight application and thus should not be killed. |
| */ |
| public static final int IMPORTANCE_HEAVY_WEIGHT = 170; |
| |
| /** |
| * Constant for {@link #importance}: this process is contains services |
| * that should remain running. |
| */ |
| public static final int IMPORTANCE_SERVICE = 300; |
| |
| /** |
| * Constant for {@link #importance}: this process process contains |
| * background code that is expendable. |
| */ |
| public static final int IMPORTANCE_BACKGROUND = 400; |
| |
| /** |
| * Constant for {@link #importance}: this process is empty of any |
| * actively running code. |
| */ |
| public static final int IMPORTANCE_EMPTY = 500; |
| |
| /** |
| * The relative importance level that the system places on this |
| * process. May be one of {@link #IMPORTANCE_FOREGROUND}, |
| * {@link #IMPORTANCE_VISIBLE}, {@link #IMPORTANCE_SERVICE}, |
| * {@link #IMPORTANCE_BACKGROUND}, or {@link #IMPORTANCE_EMPTY}. These |
| * constants are numbered so that "more important" values are always |
| * smaller than "less important" values. |
| */ |
| public int importance; |
| |
| /** |
| * An additional ordering within a particular {@link #importance} |
| * category, providing finer-grained information about the relative |
| * utility of processes within a category. This number means nothing |
| * except that a smaller values are more recently used (and thus |
| * more important). Currently an LRU value is only maintained for |
| * the {@link #IMPORTANCE_BACKGROUND} category, though others may |
| * be maintained in the future. |
| */ |
| public int lru; |
| |
| /** |
| * Constant for {@link #importanceReasonCode}: nothing special has |
| * been specified for the reason for this level. |
| */ |
| public static final int REASON_UNKNOWN = 0; |
| |
| /** |
| * Constant for {@link #importanceReasonCode}: one of the application's |
| * content providers is being used by another process. The pid of |
| * the client process is in {@link #importanceReasonPid} and the |
| * target provider in this process is in |
| * {@link #importanceReasonComponent}. |
| */ |
| public static final int REASON_PROVIDER_IN_USE = 1; |
| |
| /** |
| * Constant for {@link #importanceReasonCode}: one of the application's |
| * content providers is being used by another process. The pid of |
| * the client process is in {@link #importanceReasonPid} and the |
| * target provider in this process is in |
| * {@link #importanceReasonComponent}. |
| */ |
| public static final int REASON_SERVICE_IN_USE = 2; |
| |
| /** |
| * The reason for {@link #importance}, if any. |
| */ |
| public int importanceReasonCode; |
| |
| /** |
| * For the specified values of {@link #importanceReasonCode}, this |
| * is the process ID of the other process that is a client of this |
| * process. This will be 0 if no other process is using this one. |
| */ |
| public int importanceReasonPid; |
| |
| /** |
| * For the specified values of {@link #importanceReasonCode}, this |
| * is the name of the component that is being used in this process. |
| */ |
| public ComponentName importanceReasonComponent; |
| |
| public RunningAppProcessInfo() { |
| importance = IMPORTANCE_FOREGROUND; |
| importanceReasonCode = REASON_UNKNOWN; |
| } |
| |
| public RunningAppProcessInfo(String pProcessName, int pPid, String pArr[]) { |
| processName = pProcessName; |
| pid = pPid; |
| pkgList = pArr; |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(processName); |
| dest.writeInt(pid); |
| dest.writeInt(uid); |
| dest.writeStringArray(pkgList); |
| dest.writeInt(this.flags); |
| dest.writeInt(importance); |
| dest.writeInt(lru); |
| dest.writeInt(importanceReasonCode); |
| dest.writeInt(importanceReasonPid); |
| ComponentName.writeToParcel(importanceReasonComponent, dest); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| processName = source.readString(); |
| pid = source.readInt(); |
| uid = source.readInt(); |
| pkgList = source.readStringArray(); |
| flags = source.readInt(); |
| importance = source.readInt(); |
| lru = source.readInt(); |
| importanceReasonCode = source.readInt(); |
| importanceReasonPid = source.readInt(); |
| importanceReasonComponent = ComponentName.readFromParcel(source); |
| } |
| |
| public static final Creator<RunningAppProcessInfo> CREATOR = |
| new Creator<RunningAppProcessInfo>() { |
| public RunningAppProcessInfo createFromParcel(Parcel source) { |
| return new RunningAppProcessInfo(source); |
| } |
| public RunningAppProcessInfo[] newArray(int size) { |
| return new RunningAppProcessInfo[size]; |
| } |
| }; |
| |
| private RunningAppProcessInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Returns a list of application processes installed on external media |
| * that are running on the device. |
| * |
| * @return Returns a list of ApplicationInfo records, or null if none |
| * This list ordering is not specified. |
| * @hide |
| */ |
| public List<ApplicationInfo> getRunningExternalApplications() { |
| try { |
| return ActivityManagerNative.getDefault().getRunningExternalApplications(); |
| } catch (RemoteException e) { |
| return null; |
| } |
| } |
| |
| /** |
| * Returns a list of application processes that are running on the device. |
| * |
| * @return Returns a list of RunningAppProcessInfo records, or null if there are no |
| * running processes (it will not return an empty list). This list ordering is not |
| * specified. |
| */ |
| public List<RunningAppProcessInfo> getRunningAppProcesses() { |
| try { |
| return ActivityManagerNative.getDefault().getRunningAppProcesses(); |
| } catch (RemoteException e) { |
| return null; |
| } |
| } |
| |
| /** |
| * Return information about the memory usage of one or more processes. |
| * |
| * @param pids The pids of the processes whose memory usage is to be |
| * retrieved. |
| * @return Returns an array of memory information, one for each |
| * requested pid. |
| */ |
| public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { |
| try { |
| return ActivityManagerNative.getDefault().getProcessMemoryInfo(pids); |
| } catch (RemoteException e) { |
| return null; |
| } |
| } |
| |
| /** |
| * @deprecated This is now just a wrapper for |
| * {@link #killBackgroundProcesses(String)}; the previous behavior here |
| * is no longer available to applications because it allows them to |
| * break other applications by removing their alarms, stopping their |
| * services, etc. |
| */ |
| @Deprecated |
| public void restartPackage(String packageName) { |
| killBackgroundProcesses(packageName); |
| } |
| |
| /** |
| * Have the system immediately kill all background processes associated |
| * with the given package. This is the same as the kernel killing those |
| * processes to reclaim memory; the system will take care of restarting |
| * these processes in the future as needed. |
| * |
| * <p>You must hold the permission |
| * {@link android.Manifest.permission#KILL_BACKGROUND_PROCESSES} to be able to |
| * call this method. |
| * |
| * @param packageName The name of the package whose processes are to |
| * be killed. |
| */ |
| public void killBackgroundProcesses(String packageName) { |
| try { |
| ActivityManagerNative.getDefault().killBackgroundProcesses(packageName); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Have the system perform a force stop of everything associated with |
| * the given application package. All processes that share its uid |
| * will be killed, all services it has running stopped, all activities |
| * removed, etc. In addition, a {@link Intent#ACTION_PACKAGE_RESTARTED} |
| * broadcast will be sent, so that any of its registered alarms can |
| * be stopped, notifications removed, etc. |
| * |
| * <p>You must hold the permission |
| * {@link android.Manifest.permission#FORCE_STOP_PACKAGES} to be able to |
| * call this method. |
| * |
| * @param packageName The name of the package to be stopped. |
| * |
| * @hide This is not available to third party applications due to |
| * it allowing them to break other applications by stopping their |
| * services, removing their alarms, etc. |
| */ |
| public void forceStopPackage(String packageName) { |
| try { |
| ActivityManagerNative.getDefault().forceStopPackage(packageName); |
| } catch (RemoteException e) { |
| } |
| } |
| |
| /** |
| * Get the device configuration attributes. |
| */ |
| public ConfigurationInfo getDeviceConfigurationInfo() { |
| try { |
| return ActivityManagerNative.getDefault().getDeviceConfigurationInfo(); |
| } catch (RemoteException e) { |
| } |
| return null; |
| } |
| |
| /** |
| * Returns "true" if the user interface is currently being messed with |
| * by a monkey. |
| */ |
| public static boolean isUserAMonkey() { |
| try { |
| return ActivityManagerNative.getDefault().isUserAMonkey(); |
| } catch (RemoteException e) { |
| } |
| return false; |
| } |
| } |
