The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.app; |
| 18 | |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 19 | import com.android.internal.app.IUsageStats; |
| 20 | import com.android.internal.os.PkgUsageStats; |
| 21 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | import android.content.ComponentName; |
| 23 | import android.content.Context; |
| 24 | import android.content.Intent; |
Suchi Amalapurapu | f7f5dda | 2010-03-23 10:34:28 -0700 | [diff] [blame] | 25 | import android.content.pm.ApplicationInfo; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 26 | import android.content.pm.ConfigurationInfo; |
| 27 | import android.content.pm.IPackageDataObserver; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 28 | import android.content.res.Configuration; |
| 29 | import android.content.res.Resources; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | import android.graphics.Bitmap; |
Dianne Hackborn | 4f21c4c | 2009-09-17 10:24:05 -0700 | [diff] [blame] | 31 | import android.os.Debug; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 32 | import android.os.Handler; |
| 33 | import android.os.Parcel; |
| 34 | import android.os.Parcelable; |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 35 | import android.os.RemoteException; |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 36 | import android.os.ServiceManager; |
Dianne Hackborn | 2c6c5e6 | 2009-10-08 17:55:49 -0700 | [diff] [blame] | 37 | import android.os.SystemProperties; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 38 | import android.text.TextUtils; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 39 | import android.util.DisplayMetrics; |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 40 | import android.util.Log; |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 41 | |
Dianne Hackborn | f26fd99 | 2011-04-08 18:14:09 -0700 | [diff] [blame] | 42 | import java.util.ArrayList; |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 43 | import java.util.HashMap; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 44 | import java.util.List; |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 45 | import java.util.Map; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 46 | |
| 47 | /** |
| 48 | * Interact with the overall activities running in the system. |
| 49 | */ |
| 50 | public class ActivityManager { |
| 51 | private static String TAG = "ActivityManager"; |
Joe Onorato | 43a1765 | 2011-04-06 19:22:23 -0700 | [diff] [blame] | 52 | private static boolean localLOGV = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 53 | |
| 54 | private final Context mContext; |
| 55 | private final Handler mHandler; |
| 56 | |
| 57 | /*package*/ ActivityManager(Context context, Handler handler) { |
| 58 | mContext = context; |
| 59 | mHandler = handler; |
| 60 | } |
| 61 | |
| 62 | /** |
Dianne Hackborn | 0f1de9a | 2011-05-11 17:34:49 -0700 | [diff] [blame] | 63 | * Screen compatibility mode: the application most always run in |
| 64 | * compatibility mode. |
| 65 | * @hide |
| 66 | */ |
| 67 | public static final int COMPAT_MODE_ALWAYS = -1; |
| 68 | |
| 69 | /** |
| 70 | * Screen compatibility mode: the application can never run in |
| 71 | * compatibility mode. |
| 72 | * @hide |
| 73 | */ |
| 74 | public static final int COMPAT_MODE_NEVER = -2; |
| 75 | |
| 76 | /** |
| 77 | * Screen compatibility mode: unknown. |
| 78 | * @hide |
| 79 | */ |
| 80 | public static final int COMPAT_MODE_UNKNOWN = -3; |
| 81 | |
| 82 | /** |
| 83 | * Screen compatibility mode: the application currently has compatibility |
| 84 | * mode disabled. |
| 85 | * @hide |
| 86 | */ |
| 87 | public static final int COMPAT_MODE_DISABLED = 0; |
| 88 | |
| 89 | /** |
| 90 | * Screen compatibility mode: the application currently has compatibility |
| 91 | * mode enabled. |
| 92 | * @hide |
| 93 | */ |
| 94 | public static final int COMPAT_MODE_ENABLED = 1; |
| 95 | |
| 96 | /** |
| 97 | * Screen compatibility mode: request to toggle the application's |
| 98 | * compatibility mode. |
| 99 | * @hide |
| 100 | */ |
| 101 | public static final int COMPAT_MODE_TOGGLE = 2; |
| 102 | |
| 103 | /** @hide */ |
| 104 | public int getFrontActivityScreenCompatMode() { |
| 105 | try { |
| 106 | return ActivityManagerNative.getDefault().getFrontActivityScreenCompatMode(); |
| 107 | } catch (RemoteException e) { |
| 108 | // System dead, we will be dead too soon! |
| 109 | return 0; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | public void setFrontActivityScreenCompatMode(int mode) { |
| 114 | try { |
| 115 | ActivityManagerNative.getDefault().setFrontActivityScreenCompatMode(mode); |
| 116 | } catch (RemoteException e) { |
| 117 | // System dead, we will be dead too soon! |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | public int getPackageScreenCompatMode(String packageName) { |
| 122 | try { |
| 123 | return ActivityManagerNative.getDefault().getPackageScreenCompatMode(packageName); |
| 124 | } catch (RemoteException e) { |
| 125 | // System dead, we will be dead too soon! |
| 126 | return 0; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | public void setPackageScreenCompatMode(String packageName, int mode) { |
| 131 | try { |
| 132 | ActivityManagerNative.getDefault().setPackageScreenCompatMode(packageName, mode); |
| 133 | } catch (RemoteException e) { |
| 134 | // System dead, we will be dead too soon! |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | /** |
Dianne Hackborn | 2c6c5e6 | 2009-10-08 17:55:49 -0700 | [diff] [blame] | 139 | * Return the approximate per-application memory class of the current |
| 140 | * device. This gives you an idea of how hard a memory limit you should |
| 141 | * impose on your application to let the overall system work best. The |
| 142 | * returned value is in megabytes; the baseline Android memory class is |
| 143 | * 16 (which happens to be the Java heap limit of those devices); some |
| 144 | * device with more memory may return 24 or even higher numbers. |
| 145 | */ |
| 146 | public int getMemoryClass() { |
| 147 | return staticGetMemoryClass(); |
| 148 | } |
| 149 | |
| 150 | /** @hide */ |
| 151 | static public int staticGetMemoryClass() { |
| 152 | // Really brain dead right now -- just take this from the configured |
| 153 | // vm heap size, and assume it is in megabytes and thus ends with "m". |
Dianne Hackborn | 7ad33c8 | 2011-03-08 15:53:25 -0800 | [diff] [blame] | 154 | String vmHeapSize = SystemProperties.get("dalvik.vm.heapgrowthlimit", ""); |
Dianne Hackborn | de39851 | 2011-01-18 18:45:21 -0800 | [diff] [blame] | 155 | if (vmHeapSize != null && !"".equals(vmHeapSize)) { |
| 156 | return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length()-1)); |
| 157 | } |
| 158 | return staticGetLargeMemoryClass(); |
Dianne Hackborn | 4e24aac | 2010-12-23 11:43:46 -0800 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Return the approximate per-application memory class of the current |
| 163 | * device when an application is running with a large heap. This is the |
| 164 | * space available for memory-intensive applications; most applications |
| 165 | * should not need this amount of memory, and should instead stay with the |
| 166 | * {@link #getMemoryClass()} limit. The returned value is in megabytes. |
| 167 | * This may be the same size as {@link #getMemoryClass()} on memory |
| 168 | * constrained devices, or it may be significantly larger on devices with |
| 169 | * a large amount of available RAM. |
Dianne Hackborn | 3b81bc1 | 2011-01-15 11:50:52 -0800 | [diff] [blame] | 170 | * |
| 171 | * <p>The is the size of the application's Dalvik heap if it has |
| 172 | * specified <code>android:largeHeap="true"</code> in its manifest. |
Dianne Hackborn | 4e24aac | 2010-12-23 11:43:46 -0800 | [diff] [blame] | 173 | */ |
| 174 | public int getLargeMemoryClass() { |
| 175 | return staticGetLargeMemoryClass(); |
| 176 | } |
| 177 | |
| 178 | /** @hide */ |
| 179 | static public int staticGetLargeMemoryClass() { |
| 180 | // Really brain dead right now -- just take this from the configured |
| 181 | // vm heap size, and assume it is in megabytes and thus ends with "m". |
Dianne Hackborn | 2c6c5e6 | 2009-10-08 17:55:49 -0700 | [diff] [blame] | 182 | String vmHeapSize = SystemProperties.get("dalvik.vm.heapsize", "16m"); |
| 183 | return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length()-1)); |
| 184 | } |
| 185 | |
| 186 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 187 | * Information you can retrieve about tasks that the user has most recently |
| 188 | * started or visited. |
| 189 | */ |
| 190 | public static class RecentTaskInfo implements Parcelable { |
| 191 | /** |
| 192 | * If this task is currently running, this is the identifier for it. |
| 193 | * If it is not running, this will be -1. |
| 194 | */ |
| 195 | public int id; |
| 196 | |
| 197 | /** |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 198 | * The true identifier of this task, valid even if it is not running. |
| 199 | */ |
| 200 | public int persistentId; |
| 201 | |
| 202 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 203 | * The original Intent used to launch the task. You can use this |
| 204 | * Intent to re-launch the task (if it is no longer running) or bring |
| 205 | * the current task to the front. |
| 206 | */ |
| 207 | public Intent baseIntent; |
| 208 | |
| 209 | /** |
| 210 | * If this task was started from an alias, this is the actual |
| 211 | * activity component that was initially started; the component of |
| 212 | * the baseIntent in this case is the name of the actual activity |
| 213 | * implementation that the alias referred to. Otherwise, this is null. |
| 214 | */ |
| 215 | public ComponentName origActivity; |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 216 | |
| 217 | /** |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 218 | * Description of the task's last state. |
| 219 | */ |
| 220 | public CharSequence description; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 221 | |
| 222 | public RecentTaskInfo() { |
| 223 | } |
| 224 | |
| 225 | public int describeContents() { |
| 226 | return 0; |
| 227 | } |
| 228 | |
| 229 | public void writeToParcel(Parcel dest, int flags) { |
| 230 | dest.writeInt(id); |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 231 | dest.writeInt(persistentId); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 232 | if (baseIntent != null) { |
| 233 | dest.writeInt(1); |
| 234 | baseIntent.writeToParcel(dest, 0); |
| 235 | } else { |
| 236 | dest.writeInt(0); |
| 237 | } |
| 238 | ComponentName.writeToParcel(origActivity, dest); |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 239 | TextUtils.writeToParcel(description, dest, |
| 240 | Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | public void readFromParcel(Parcel source) { |
| 244 | id = source.readInt(); |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 245 | persistentId = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 246 | if (source.readInt() != 0) { |
| 247 | baseIntent = Intent.CREATOR.createFromParcel(source); |
| 248 | } else { |
| 249 | baseIntent = null; |
| 250 | } |
| 251 | origActivity = ComponentName.readFromParcel(source); |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 252 | description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | public static final Creator<RecentTaskInfo> CREATOR |
| 256 | = new Creator<RecentTaskInfo>() { |
| 257 | public RecentTaskInfo createFromParcel(Parcel source) { |
| 258 | return new RecentTaskInfo(source); |
| 259 | } |
| 260 | public RecentTaskInfo[] newArray(int size) { |
| 261 | return new RecentTaskInfo[size]; |
| 262 | } |
| 263 | }; |
| 264 | |
| 265 | private RecentTaskInfo(Parcel source) { |
| 266 | readFromParcel(source); |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Flag for use with {@link #getRecentTasks}: return all tasks, even those |
| 272 | * that have set their |
| 273 | * {@link android.content.Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag. |
| 274 | */ |
| 275 | public static final int RECENT_WITH_EXCLUDED = 0x0001; |
| 276 | |
| 277 | /** |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 278 | * Provides a list that does not contain any |
Dianne Hackborn | 53d9264d | 2010-04-13 12:49:14 -0700 | [diff] [blame] | 279 | * recent tasks that currently are not available to the user. |
| 280 | */ |
| 281 | public static final int RECENT_IGNORE_UNAVAILABLE = 0x0002; |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 282 | |
| 283 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 284 | * Return a list of the tasks that the user has recently launched, with |
| 285 | * the most recent being first and older ones after in order. |
| 286 | * |
| 287 | * @param maxNum The maximum number of entries to return in the list. The |
| 288 | * actual number returned may be smaller, depending on how many tasks the |
| 289 | * user has started and the maximum number the system can remember. |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 290 | * @param flags Information about what to return. May be any combination |
Dianne Hackborn | 805fd7e | 2011-01-16 18:30:29 -0800 | [diff] [blame] | 291 | * of {@link #RECENT_WITH_EXCLUDED} and {@link #RECENT_IGNORE_UNAVAILABLE}. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 292 | * |
| 293 | * @return Returns a list of RecentTaskInfo records describing each of |
| 294 | * the recent tasks. |
| 295 | * |
| 296 | * @throws SecurityException Throws SecurityException if the caller does |
| 297 | * not hold the {@link android.Manifest.permission#GET_TASKS} permission. |
| 298 | */ |
| 299 | public List<RecentTaskInfo> getRecentTasks(int maxNum, int flags) |
| 300 | throws SecurityException { |
| 301 | try { |
| 302 | return ActivityManagerNative.getDefault().getRecentTasks(maxNum, |
| 303 | flags); |
| 304 | } catch (RemoteException e) { |
| 305 | // System dead, we will be dead too soon! |
| 306 | return null; |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Information you can retrieve about a particular task that is currently |
| 312 | * "running" in the system. Note that a running task does not mean the |
Dianne Hackborn | 0c5001d | 2011-04-12 18:16:08 -0700 | [diff] [blame] | 313 | * given task actually has a process it is actively running in; it simply |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 314 | * means that the user has gone to it and never closed it, but currently |
| 315 | * the system may have killed its process and is only holding on to its |
| 316 | * last state in order to restart it when the user returns. |
| 317 | */ |
| 318 | public static class RunningTaskInfo implements Parcelable { |
| 319 | /** |
| 320 | * A unique identifier for this task. |
| 321 | */ |
| 322 | public int id; |
| 323 | |
| 324 | /** |
| 325 | * The component launched as the first activity in the task. This can |
| 326 | * be considered the "application" of this task. |
| 327 | */ |
| 328 | public ComponentName baseActivity; |
| 329 | |
| 330 | /** |
| 331 | * The activity component at the top of the history stack of the task. |
| 332 | * This is what the user is currently doing. |
| 333 | */ |
| 334 | public ComponentName topActivity; |
| 335 | |
| 336 | /** |
Dianne Hackborn | 805fd7e | 2011-01-16 18:30:29 -0800 | [diff] [blame] | 337 | * Thumbnail representation of the task's current state. Currently |
| 338 | * always null. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 339 | */ |
| 340 | public Bitmap thumbnail; |
| 341 | |
| 342 | /** |
| 343 | * Description of the task's current state. |
| 344 | */ |
| 345 | public CharSequence description; |
| 346 | |
| 347 | /** |
| 348 | * Number of activities in this task. |
| 349 | */ |
| 350 | public int numActivities; |
| 351 | |
| 352 | /** |
| 353 | * Number of activities that are currently running (not stopped |
| 354 | * and persisted) in this task. |
| 355 | */ |
| 356 | public int numRunning; |
| 357 | |
| 358 | public RunningTaskInfo() { |
| 359 | } |
| 360 | |
| 361 | public int describeContents() { |
| 362 | return 0; |
| 363 | } |
| 364 | |
| 365 | public void writeToParcel(Parcel dest, int flags) { |
| 366 | dest.writeInt(id); |
| 367 | ComponentName.writeToParcel(baseActivity, dest); |
| 368 | ComponentName.writeToParcel(topActivity, dest); |
| 369 | if (thumbnail != null) { |
| 370 | dest.writeInt(1); |
| 371 | thumbnail.writeToParcel(dest, 0); |
| 372 | } else { |
| 373 | dest.writeInt(0); |
| 374 | } |
| 375 | TextUtils.writeToParcel(description, dest, |
| 376 | Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
| 377 | dest.writeInt(numActivities); |
| 378 | dest.writeInt(numRunning); |
| 379 | } |
| 380 | |
| 381 | public void readFromParcel(Parcel source) { |
| 382 | id = source.readInt(); |
| 383 | baseActivity = ComponentName.readFromParcel(source); |
| 384 | topActivity = ComponentName.readFromParcel(source); |
| 385 | if (source.readInt() != 0) { |
| 386 | thumbnail = Bitmap.CREATOR.createFromParcel(source); |
| 387 | } else { |
| 388 | thumbnail = null; |
| 389 | } |
| 390 | description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); |
| 391 | numActivities = source.readInt(); |
| 392 | numRunning = source.readInt(); |
| 393 | } |
| 394 | |
| 395 | public static final Creator<RunningTaskInfo> CREATOR = new Creator<RunningTaskInfo>() { |
| 396 | public RunningTaskInfo createFromParcel(Parcel source) { |
| 397 | return new RunningTaskInfo(source); |
| 398 | } |
| 399 | public RunningTaskInfo[] newArray(int size) { |
| 400 | return new RunningTaskInfo[size]; |
| 401 | } |
| 402 | }; |
| 403 | |
| 404 | private RunningTaskInfo(Parcel source) { |
| 405 | readFromParcel(source); |
| 406 | } |
| 407 | } |
Dianne Hackborn | d283593 | 2010-12-13 16:28:46 -0800 | [diff] [blame] | 408 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 409 | /** |
| 410 | * Return a list of the tasks that are currently running, with |
| 411 | * the most recent being first and older ones after in order. Note that |
| 412 | * "running" does not mean any of the task's code is currently loaded or |
| 413 | * activity -- the task may have been frozen by the system, so that it |
| 414 | * can be restarted in its previous state when next brought to the |
| 415 | * foreground. |
| 416 | * |
| 417 | * @param maxNum The maximum number of entries to return in the list. The |
| 418 | * actual number returned may be smaller, depending on how many tasks the |
| 419 | * user has started. |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 420 | * |
| 421 | * @param flags Optional flags |
| 422 | * @param receiver Optional receiver for delayed thumbnails |
| 423 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 424 | * @return Returns a list of RunningTaskInfo records describing each of |
| 425 | * the running tasks. |
| 426 | * |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 427 | * Some thumbnails may not be available at the time of this call. The optional |
| 428 | * receiver may be used to receive those thumbnails. |
| 429 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 430 | * @throws SecurityException Throws SecurityException if the caller does |
| 431 | * not hold the {@link android.Manifest.permission#GET_TASKS} permission. |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 432 | * |
| 433 | * @hide |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 434 | */ |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 435 | public List<RunningTaskInfo> getRunningTasks(int maxNum, int flags, IThumbnailReceiver receiver) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 436 | throws SecurityException { |
| 437 | try { |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 438 | return ActivityManagerNative.getDefault().getTasks(maxNum, flags, receiver); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 439 | } catch (RemoteException e) { |
| 440 | // System dead, we will be dead too soon! |
| 441 | return null; |
| 442 | } |
| 443 | } |
Jim Miller | 0b2a6d0 | 2010-07-13 18:01:29 -0700 | [diff] [blame] | 444 | |
| 445 | /** |
| 446 | * Return a list of the tasks that are currently running, with |
| 447 | * the most recent being first and older ones after in order. Note that |
| 448 | * "running" does not mean any of the task's code is currently loaded or |
| 449 | * activity -- the task may have been frozen by the system, so that it |
| 450 | * can be restarted in its previous state when next brought to the |
| 451 | * foreground. |
| 452 | * |
| 453 | * @param maxNum The maximum number of entries to return in the list. The |
| 454 | * actual number returned may be smaller, depending on how many tasks the |
| 455 | * user has started. |
| 456 | * |
| 457 | * @return Returns a list of RunningTaskInfo records describing each of |
| 458 | * the running tasks. |
| 459 | * |
| 460 | * @throws SecurityException Throws SecurityException if the caller does |
| 461 | * not hold the {@link android.Manifest.permission#GET_TASKS} permission. |
| 462 | */ |
| 463 | public List<RunningTaskInfo> getRunningTasks(int maxNum) |
| 464 | throws SecurityException { |
| 465 | return getRunningTasks(maxNum, 0, null); |
| 466 | } |
| 467 | |
Dianne Hackborn | 0c5001d | 2011-04-12 18:16:08 -0700 | [diff] [blame] | 468 | /** |
| 469 | * Remove some end of a task's activity stack that is not part of |
| 470 | * the main application. The selected activities will be finished, so |
| 471 | * they are no longer part of the main task. |
| 472 | * |
| 473 | * @param taskId The identifier of the task. |
| 474 | * @param subTaskIndex The number of the sub-task; this corresponds |
| 475 | * to the index of the thumbnail returned by {@link #getTaskThumbnails(int)}. |
| 476 | * @return Returns true if the sub-task was found and was removed. |
| 477 | * |
| 478 | * @hide |
| 479 | */ |
| 480 | public boolean removeSubTask(int taskId, int subTaskIndex) |
| 481 | throws SecurityException { |
| 482 | try { |
| 483 | return ActivityManagerNative.getDefault().removeSubTask(taskId, subTaskIndex); |
| 484 | } catch (RemoteException e) { |
| 485 | // System dead, we will be dead too soon! |
| 486 | return false; |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | /** |
| 491 | * If set, the process of the root activity of the task will be killed |
| 492 | * as part of removing the task. |
| 493 | * @hide |
| 494 | */ |
| 495 | public static final int REMOVE_TASK_KILL_PROCESS = 0x0001; |
| 496 | |
| 497 | /** |
| 498 | * Completely remove the given task. |
| 499 | * |
| 500 | * @param taskId Identifier of the task to be removed. |
| 501 | * @param flags Additional operational flags. May be 0 or |
| 502 | * {@link #REMOVE_TASK_KILL_PROCESS}. |
| 503 | * @return Returns true if the given task was found and removed. |
| 504 | * |
| 505 | * @hide |
| 506 | */ |
| 507 | public boolean removeTask(int taskId, int flags) |
| 508 | throws SecurityException { |
| 509 | try { |
| 510 | return ActivityManagerNative.getDefault().removeTask(taskId, flags); |
| 511 | } catch (RemoteException e) { |
| 512 | // System dead, we will be dead too soon! |
| 513 | return false; |
| 514 | } |
| 515 | } |
| 516 | |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 517 | /** @hide */ |
Dianne Hackborn | f26fd99 | 2011-04-08 18:14:09 -0700 | [diff] [blame] | 518 | public static class TaskThumbnails implements Parcelable { |
| 519 | public Bitmap mainThumbnail; |
| 520 | |
| 521 | public int numSubThumbbails; |
| 522 | |
| 523 | /** @hide */ |
| 524 | public IThumbnailRetriever retriever; |
| 525 | |
Dianne Hackborn | f26fd99 | 2011-04-08 18:14:09 -0700 | [diff] [blame] | 526 | public TaskThumbnails() { |
| 527 | } |
| 528 | |
| 529 | public Bitmap getSubThumbnail(int index) { |
| 530 | try { |
| 531 | return retriever.getThumbnail(index); |
| 532 | } catch (RemoteException e) { |
| 533 | return null; |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | public int describeContents() { |
| 538 | return 0; |
| 539 | } |
| 540 | |
| 541 | public void writeToParcel(Parcel dest, int flags) { |
| 542 | if (mainThumbnail != null) { |
| 543 | dest.writeInt(1); |
| 544 | mainThumbnail.writeToParcel(dest, 0); |
| 545 | } else { |
| 546 | dest.writeInt(0); |
| 547 | } |
| 548 | dest.writeInt(numSubThumbbails); |
| 549 | dest.writeStrongInterface(retriever); |
| 550 | } |
| 551 | |
| 552 | public void readFromParcel(Parcel source) { |
| 553 | if (source.readInt() != 0) { |
| 554 | mainThumbnail = Bitmap.CREATOR.createFromParcel(source); |
| 555 | } else { |
| 556 | mainThumbnail = null; |
| 557 | } |
| 558 | numSubThumbbails = source.readInt(); |
| 559 | retriever = IThumbnailRetriever.Stub.asInterface(source.readStrongBinder()); |
| 560 | } |
| 561 | |
| 562 | public static final Creator<TaskThumbnails> CREATOR = new Creator<TaskThumbnails>() { |
| 563 | public TaskThumbnails createFromParcel(Parcel source) { |
| 564 | return new TaskThumbnails(source); |
| 565 | } |
| 566 | public TaskThumbnails[] newArray(int size) { |
| 567 | return new TaskThumbnails[size]; |
| 568 | } |
| 569 | }; |
| 570 | |
| 571 | private TaskThumbnails(Parcel source) { |
| 572 | readFromParcel(source); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | /** @hide */ |
| 577 | public TaskThumbnails getTaskThumbnails(int id) throws SecurityException { |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 578 | try { |
Dianne Hackborn | f26fd99 | 2011-04-08 18:14:09 -0700 | [diff] [blame] | 579 | return ActivityManagerNative.getDefault().getTaskThumbnails(id); |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 580 | } catch (RemoteException e) { |
| 581 | // System dead, we will be dead too soon! |
| 582 | return null; |
| 583 | } |
| 584 | } |
| 585 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 586 | /** |
Dianne Hackborn | 621e17d | 2010-11-22 15:59:56 -0800 | [diff] [blame] | 587 | * Flag for {@link #moveTaskToFront(int, int)}: also move the "home" |
| 588 | * activity along with the task, so it is positioned immediately behind |
| 589 | * the task. |
| 590 | */ |
| 591 | public static final int MOVE_TASK_WITH_HOME = 0x00000001; |
| 592 | |
| 593 | /** |
Dianne Hackborn | d94df45 | 2011-02-16 18:53:31 -0800 | [diff] [blame] | 594 | * Flag for {@link #moveTaskToFront(int, int)}: don't count this as a |
| 595 | * user-instigated action, so the current activity will not receive a |
| 596 | * hint that the user is leaving. |
| 597 | */ |
| 598 | public static final int MOVE_TASK_NO_USER_ACTION = 0x00000002; |
| 599 | |
| 600 | /** |
Dianne Hackborn | 621e17d | 2010-11-22 15:59:56 -0800 | [diff] [blame] | 601 | * Ask that the task associated with a given task ID be moved to the |
| 602 | * front of the stack, so it is now visible to the user. Requires that |
| 603 | * the caller hold permission {@link android.Manifest.permission#REORDER_TASKS} |
| 604 | * or a SecurityException will be thrown. |
| 605 | * |
| 606 | * @param taskId The identifier of the task to be moved, as found in |
| 607 | * {@link RunningTaskInfo} or {@link RecentTaskInfo}. |
| 608 | * @param flags Additional operational flags, 0 or more of |
| 609 | * {@link #MOVE_TASK_WITH_HOME}. |
| 610 | */ |
| 611 | public void moveTaskToFront(int taskId, int flags) { |
| 612 | try { |
| 613 | ActivityManagerNative.getDefault().moveTaskToFront(taskId, flags); |
| 614 | } catch (RemoteException e) { |
| 615 | // System dead, we will be dead too soon! |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 620 | * Information you can retrieve about a particular Service that is |
| 621 | * currently running in the system. |
| 622 | */ |
| 623 | public static class RunningServiceInfo implements Parcelable { |
| 624 | /** |
| 625 | * The service component. |
| 626 | */ |
| 627 | public ComponentName service; |
| 628 | |
| 629 | /** |
| 630 | * If non-zero, this is the process the service is running in. |
| 631 | */ |
| 632 | public int pid; |
| 633 | |
| 634 | /** |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 635 | * The UID that owns this service. |
| 636 | */ |
| 637 | public int uid; |
| 638 | |
| 639 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 640 | * The name of the process this service runs in. |
| 641 | */ |
| 642 | public String process; |
| 643 | |
| 644 | /** |
| 645 | * Set to true if the service has asked to run as a foreground process. |
| 646 | */ |
| 647 | public boolean foreground; |
| 648 | |
| 649 | /** |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 650 | * The time when the service was first made active, either by someone |
Dianne Hackborn | 9adb9c3 | 2010-08-13 14:09:56 -0700 | [diff] [blame] | 651 | * starting or binding to it. This |
| 652 | * is in units of {@link android.os.SystemClock#elapsedRealtime()}. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 653 | */ |
| 654 | public long activeSince; |
| 655 | |
| 656 | /** |
| 657 | * Set to true if this service has been explicitly started. |
| 658 | */ |
| 659 | public boolean started; |
| 660 | |
| 661 | /** |
| 662 | * Number of clients connected to the service. |
| 663 | */ |
| 664 | public int clientCount; |
| 665 | |
| 666 | /** |
| 667 | * Number of times the service's process has crashed while the service |
| 668 | * is running. |
| 669 | */ |
| 670 | public int crashCount; |
| 671 | |
| 672 | /** |
| 673 | * The time when there was last activity in the service (either |
Dianne Hackborn | 9adb9c3 | 2010-08-13 14:09:56 -0700 | [diff] [blame] | 674 | * explicit requests to start it or clients binding to it). This |
| 675 | * is in units of {@link android.os.SystemClock#uptimeMillis()}. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 676 | */ |
| 677 | public long lastActivityTime; |
| 678 | |
| 679 | /** |
| 680 | * If non-zero, this service is not currently running, but scheduled to |
| 681 | * restart at the given time. |
| 682 | */ |
| 683 | public long restarting; |
| 684 | |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 685 | /** |
| 686 | * Bit for {@link #flags}: set if this service has been |
| 687 | * explicitly started. |
| 688 | */ |
| 689 | public static final int FLAG_STARTED = 1<<0; |
| 690 | |
| 691 | /** |
| 692 | * Bit for {@link #flags}: set if the service has asked to |
| 693 | * run as a foreground process. |
| 694 | */ |
| 695 | public static final int FLAG_FOREGROUND = 1<<1; |
| 696 | |
| 697 | /** |
| 698 | * Bit for {@link #flags): set if the service is running in a |
| 699 | * core system process. |
| 700 | */ |
| 701 | public static final int FLAG_SYSTEM_PROCESS = 1<<2; |
| 702 | |
| 703 | /** |
| 704 | * Bit for {@link #flags): set if the service is running in a |
| 705 | * persistent process. |
| 706 | */ |
| 707 | public static final int FLAG_PERSISTENT_PROCESS = 1<<3; |
| 708 | |
| 709 | /** |
| 710 | * Running flags. |
| 711 | */ |
| 712 | public int flags; |
| 713 | |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 714 | /** |
| 715 | * For special services that are bound to by system code, this is |
| 716 | * the package that holds the binding. |
| 717 | */ |
| 718 | public String clientPackage; |
| 719 | |
| 720 | /** |
| 721 | * For special services that are bound to by system code, this is |
| 722 | * a string resource providing a user-visible label for who the |
| 723 | * client is. |
| 724 | */ |
| 725 | public int clientLabel; |
| 726 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 727 | public RunningServiceInfo() { |
| 728 | } |
| 729 | |
| 730 | public int describeContents() { |
| 731 | return 0; |
| 732 | } |
| 733 | |
| 734 | public void writeToParcel(Parcel dest, int flags) { |
| 735 | ComponentName.writeToParcel(service, dest); |
| 736 | dest.writeInt(pid); |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 737 | dest.writeInt(uid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 738 | dest.writeString(process); |
| 739 | dest.writeInt(foreground ? 1 : 0); |
| 740 | dest.writeLong(activeSince); |
| 741 | dest.writeInt(started ? 1 : 0); |
| 742 | dest.writeInt(clientCount); |
| 743 | dest.writeInt(crashCount); |
| 744 | dest.writeLong(lastActivityTime); |
| 745 | dest.writeLong(restarting); |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 746 | dest.writeInt(this.flags); |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 747 | dest.writeString(clientPackage); |
| 748 | dest.writeInt(clientLabel); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 749 | } |
| 750 | |
| 751 | public void readFromParcel(Parcel source) { |
| 752 | service = ComponentName.readFromParcel(source); |
| 753 | pid = source.readInt(); |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 754 | uid = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 755 | process = source.readString(); |
| 756 | foreground = source.readInt() != 0; |
| 757 | activeSince = source.readLong(); |
| 758 | started = source.readInt() != 0; |
| 759 | clientCount = source.readInt(); |
| 760 | crashCount = source.readInt(); |
| 761 | lastActivityTime = source.readLong(); |
| 762 | restarting = source.readLong(); |
Dianne Hackborn | 3025ef3 | 2009-08-31 21:31:47 -0700 | [diff] [blame] | 763 | flags = source.readInt(); |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 764 | clientPackage = source.readString(); |
| 765 | clientLabel = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 766 | } |
| 767 | |
| 768 | public static final Creator<RunningServiceInfo> CREATOR = new Creator<RunningServiceInfo>() { |
| 769 | public RunningServiceInfo createFromParcel(Parcel source) { |
| 770 | return new RunningServiceInfo(source); |
| 771 | } |
| 772 | public RunningServiceInfo[] newArray(int size) { |
| 773 | return new RunningServiceInfo[size]; |
| 774 | } |
| 775 | }; |
| 776 | |
| 777 | private RunningServiceInfo(Parcel source) { |
| 778 | readFromParcel(source); |
| 779 | } |
| 780 | } |
| 781 | |
| 782 | /** |
| 783 | * Return a list of the services that are currently running. |
| 784 | * |
| 785 | * @param maxNum The maximum number of entries to return in the list. The |
| 786 | * actual number returned may be smaller, depending on how many services |
| 787 | * are running. |
| 788 | * |
| 789 | * @return Returns a list of RunningServiceInfo records describing each of |
| 790 | * the running tasks. |
| 791 | */ |
| 792 | public List<RunningServiceInfo> getRunningServices(int maxNum) |
| 793 | throws SecurityException { |
| 794 | try { |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 795 | return ActivityManagerNative.getDefault() |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 796 | .getServices(maxNum, 0); |
| 797 | } catch (RemoteException e) { |
| 798 | // System dead, we will be dead too soon! |
| 799 | return null; |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | /** |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 804 | * Returns a PendingIntent you can start to show a control panel for the |
| 805 | * given running service. If the service does not have a control panel, |
| 806 | * null is returned. |
| 807 | */ |
| 808 | public PendingIntent getRunningServiceControlPanel(ComponentName service) |
| 809 | throws SecurityException { |
| 810 | try { |
| 811 | return ActivityManagerNative.getDefault() |
| 812 | .getRunningServiceControlPanel(service); |
| 813 | } catch (RemoteException e) { |
| 814 | // System dead, we will be dead too soon! |
| 815 | return null; |
| 816 | } |
| 817 | } |
| 818 | |
| 819 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 820 | * Information you can retrieve about the available memory through |
| 821 | * {@link ActivityManager#getMemoryInfo}. |
| 822 | */ |
| 823 | public static class MemoryInfo implements Parcelable { |
| 824 | /** |
| 825 | * The total available memory on the system. This number should not |
| 826 | * be considered absolute: due to the nature of the kernel, a significant |
| 827 | * portion of this memory is actually in use and needed for the overall |
| 828 | * system to run well. |
| 829 | */ |
| 830 | public long availMem; |
| 831 | |
| 832 | /** |
| 833 | * The threshold of {@link #availMem} at which we consider memory to be |
| 834 | * low and start killing background services and other non-extraneous |
| 835 | * processes. |
| 836 | */ |
| 837 | public long threshold; |
| 838 | |
| 839 | /** |
| 840 | * Set to true if the system considers itself to currently be in a low |
| 841 | * memory situation. |
| 842 | */ |
| 843 | public boolean lowMemory; |
| 844 | |
| 845 | public MemoryInfo() { |
| 846 | } |
| 847 | |
| 848 | public int describeContents() { |
| 849 | return 0; |
| 850 | } |
| 851 | |
| 852 | public void writeToParcel(Parcel dest, int flags) { |
| 853 | dest.writeLong(availMem); |
| 854 | dest.writeLong(threshold); |
| 855 | dest.writeInt(lowMemory ? 1 : 0); |
| 856 | } |
| 857 | |
| 858 | public void readFromParcel(Parcel source) { |
| 859 | availMem = source.readLong(); |
| 860 | threshold = source.readLong(); |
| 861 | lowMemory = source.readInt() != 0; |
| 862 | } |
| 863 | |
| 864 | public static final Creator<MemoryInfo> CREATOR |
| 865 | = new Creator<MemoryInfo>() { |
| 866 | public MemoryInfo createFromParcel(Parcel source) { |
| 867 | return new MemoryInfo(source); |
| 868 | } |
| 869 | public MemoryInfo[] newArray(int size) { |
| 870 | return new MemoryInfo[size]; |
| 871 | } |
| 872 | }; |
| 873 | |
| 874 | private MemoryInfo(Parcel source) { |
| 875 | readFromParcel(source); |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | public void getMemoryInfo(MemoryInfo outInfo) { |
| 880 | try { |
| 881 | ActivityManagerNative.getDefault().getMemoryInfo(outInfo); |
| 882 | } catch (RemoteException e) { |
| 883 | } |
| 884 | } |
| 885 | |
| 886 | /** |
| 887 | * @hide |
| 888 | */ |
| 889 | public boolean clearApplicationUserData(String packageName, IPackageDataObserver observer) { |
| 890 | try { |
| 891 | return ActivityManagerNative.getDefault().clearApplicationUserData(packageName, |
| 892 | observer); |
| 893 | } catch (RemoteException e) { |
| 894 | return false; |
| 895 | } |
| 896 | } |
| 897 | |
| 898 | /** |
| 899 | * Information you can retrieve about any processes that are in an error condition. |
| 900 | */ |
| 901 | public static class ProcessErrorStateInfo implements Parcelable { |
| 902 | /** |
| 903 | * Condition codes |
| 904 | */ |
| 905 | public static final int NO_ERROR = 0; |
| 906 | public static final int CRASHED = 1; |
| 907 | public static final int NOT_RESPONDING = 2; |
| 908 | |
| 909 | /** |
| 910 | * The condition that the process is in. |
| 911 | */ |
| 912 | public int condition; |
| 913 | |
| 914 | /** |
| 915 | * The process name in which the crash or error occurred. |
| 916 | */ |
| 917 | public String processName; |
| 918 | |
| 919 | /** |
| 920 | * The pid of this process; 0 if none |
| 921 | */ |
| 922 | public int pid; |
| 923 | |
| 924 | /** |
| 925 | * The kernel user-ID that has been assigned to this process; |
| 926 | * currently this is not a unique ID (multiple applications can have |
| 927 | * the same uid). |
| 928 | */ |
| 929 | public int uid; |
| 930 | |
| 931 | /** |
Dan Egnor | 60d8762 | 2009-12-16 16:32:58 -0800 | [diff] [blame] | 932 | * The activity name associated with the error, if known. May be null. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 933 | */ |
| 934 | public String tag; |
| 935 | |
| 936 | /** |
| 937 | * A short message describing the error condition. |
| 938 | */ |
| 939 | public String shortMsg; |
| 940 | |
| 941 | /** |
| 942 | * A long message describing the error condition. |
| 943 | */ |
| 944 | public String longMsg; |
| 945 | |
| 946 | /** |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 947 | * The stack trace where the error originated. May be null. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 948 | */ |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 949 | public String stackTrace; |
| 950 | |
| 951 | /** |
| 952 | * to be deprecated: This value will always be null. |
| 953 | */ |
| 954 | public byte[] crashData = null; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 955 | |
| 956 | public ProcessErrorStateInfo() { |
| 957 | } |
| 958 | |
| 959 | public int describeContents() { |
| 960 | return 0; |
| 961 | } |
| 962 | |
| 963 | public void writeToParcel(Parcel dest, int flags) { |
| 964 | dest.writeInt(condition); |
| 965 | dest.writeString(processName); |
| 966 | dest.writeInt(pid); |
| 967 | dest.writeInt(uid); |
| 968 | dest.writeString(tag); |
| 969 | dest.writeString(shortMsg); |
| 970 | dest.writeString(longMsg); |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 971 | dest.writeString(stackTrace); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | public void readFromParcel(Parcel source) { |
| 975 | condition = source.readInt(); |
| 976 | processName = source.readString(); |
| 977 | pid = source.readInt(); |
| 978 | uid = source.readInt(); |
| 979 | tag = source.readString(); |
| 980 | shortMsg = source.readString(); |
| 981 | longMsg = source.readString(); |
Dan Egnor | b7f0367 | 2009-12-09 16:22:32 -0800 | [diff] [blame] | 982 | stackTrace = source.readString(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 983 | } |
| 984 | |
| 985 | public static final Creator<ProcessErrorStateInfo> CREATOR = |
| 986 | new Creator<ProcessErrorStateInfo>() { |
| 987 | public ProcessErrorStateInfo createFromParcel(Parcel source) { |
| 988 | return new ProcessErrorStateInfo(source); |
| 989 | } |
| 990 | public ProcessErrorStateInfo[] newArray(int size) { |
| 991 | return new ProcessErrorStateInfo[size]; |
| 992 | } |
| 993 | }; |
| 994 | |
| 995 | private ProcessErrorStateInfo(Parcel source) { |
| 996 | readFromParcel(source); |
| 997 | } |
| 998 | } |
| 999 | |
| 1000 | /** |
| 1001 | * Returns a list of any processes that are currently in an error condition. The result |
| 1002 | * will be null if all processes are running properly at this time. |
| 1003 | * |
| 1004 | * @return Returns a list of ProcessErrorStateInfo records, or null if there are no |
| 1005 | * current error conditions (it will not return an empty list). This list ordering is not |
| 1006 | * specified. |
| 1007 | */ |
| 1008 | public List<ProcessErrorStateInfo> getProcessesInErrorState() { |
| 1009 | try { |
| 1010 | return ActivityManagerNative.getDefault().getProcessesInErrorState(); |
| 1011 | } catch (RemoteException e) { |
| 1012 | return null; |
| 1013 | } |
| 1014 | } |
| 1015 | |
| 1016 | /** |
| 1017 | * Information you can retrieve about a running process. |
| 1018 | */ |
| 1019 | public static class RunningAppProcessInfo implements Parcelable { |
| 1020 | /** |
| 1021 | * The name of the process that this object is associated with |
| 1022 | */ |
| 1023 | public String processName; |
| 1024 | |
| 1025 | /** |
| 1026 | * The pid of this process; 0 if none |
| 1027 | */ |
| 1028 | public int pid; |
| 1029 | |
Dianne Hackborn | eb03465 | 2009-09-07 00:49:58 -0700 | [diff] [blame] | 1030 | /** |
| 1031 | * The user id of this process. |
| 1032 | */ |
| 1033 | public int uid; |
| 1034 | |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1035 | /** |
| 1036 | * All packages that have been loaded into the process. |
| 1037 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1038 | public String pkgList[]; |
| 1039 | |
| 1040 | /** |
Dianne Hackborn | 482566e | 2010-09-03 12:51:28 -0700 | [diff] [blame] | 1041 | * Constant for {@link #flags}: this is an app that is unable to |
| 1042 | * correctly save its state when going to the background, |
| 1043 | * so it can not be killed while in the background. |
| 1044 | * @hide |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1045 | */ |
Dianne Hackborn | 482566e | 2010-09-03 12:51:28 -0700 | [diff] [blame] | 1046 | public static final int FLAG_CANT_SAVE_STATE = 1<<0; |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1047 | |
| 1048 | /** |
Dianne Hackborn | 4249917 | 2010-10-15 18:45:07 -0700 | [diff] [blame] | 1049 | * Constant for {@link #flags}: this process is associated with a |
| 1050 | * persistent system app. |
| 1051 | * @hide |
| 1052 | */ |
| 1053 | public static final int FLAG_PERSISTENT = 1<<1; |
| 1054 | |
| 1055 | /** |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1056 | * Flags of information. May be any of |
Dianne Hackborn | 482566e | 2010-09-03 12:51:28 -0700 | [diff] [blame] | 1057 | * {@link #FLAG_CANT_SAVE_STATE}. |
| 1058 | * @hide |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1059 | */ |
| 1060 | public int flags; |
| 1061 | |
| 1062 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1063 | * Constant for {@link #importance}: this process is running the |
| 1064 | * foreground UI. |
| 1065 | */ |
| 1066 | public static final int IMPORTANCE_FOREGROUND = 100; |
| 1067 | |
| 1068 | /** |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1069 | * Constant for {@link #importance}: this process is running something |
| 1070 | * that is actively visible to the user, though not in the immediate |
| 1071 | * foreground. |
Dianne Hackborn | 860755f | 2010-06-03 18:47:52 -0700 | [diff] [blame] | 1072 | */ |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1073 | public static final int IMPORTANCE_VISIBLE = 200; |
Dianne Hackborn | 860755f | 2010-06-03 18:47:52 -0700 | [diff] [blame] | 1074 | |
| 1075 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1076 | * Constant for {@link #importance}: this process is running something |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1077 | * that is considered to be actively perceptible to the user. An |
| 1078 | * example would be an application performing background music playback. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1079 | */ |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1080 | public static final int IMPORTANCE_PERCEPTIBLE = 130; |
| 1081 | |
| 1082 | /** |
Dianne Hackborn | 5383f50 | 2010-10-22 12:59:20 -0700 | [diff] [blame] | 1083 | * Constant for {@link #importance}: this process is running an |
| 1084 | * application that can not save its state, and thus can't be killed |
| 1085 | * while in the background. |
| 1086 | * @hide |
Dianne Hackborn | 32907cf | 2010-06-10 17:50:20 -0700 | [diff] [blame] | 1087 | */ |
Dianne Hackborn | 5383f50 | 2010-10-22 12:59:20 -0700 | [diff] [blame] | 1088 | public static final int IMPORTANCE_CANT_SAVE_STATE = 170; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1089 | |
| 1090 | /** |
| 1091 | * Constant for {@link #importance}: this process is contains services |
| 1092 | * that should remain running. |
| 1093 | */ |
| 1094 | public static final int IMPORTANCE_SERVICE = 300; |
| 1095 | |
| 1096 | /** |
| 1097 | * Constant for {@link #importance}: this process process contains |
| 1098 | * background code that is expendable. |
| 1099 | */ |
| 1100 | public static final int IMPORTANCE_BACKGROUND = 400; |
| 1101 | |
| 1102 | /** |
| 1103 | * Constant for {@link #importance}: this process is empty of any |
| 1104 | * actively running code. |
| 1105 | */ |
| 1106 | public static final int IMPORTANCE_EMPTY = 500; |
| 1107 | |
| 1108 | /** |
| 1109 | * The relative importance level that the system places on this |
| 1110 | * process. May be one of {@link #IMPORTANCE_FOREGROUND}, |
| 1111 | * {@link #IMPORTANCE_VISIBLE}, {@link #IMPORTANCE_SERVICE}, |
| 1112 | * {@link #IMPORTANCE_BACKGROUND}, or {@link #IMPORTANCE_EMPTY}. These |
| 1113 | * constants are numbered so that "more important" values are always |
| 1114 | * smaller than "less important" values. |
| 1115 | */ |
| 1116 | public int importance; |
| 1117 | |
| 1118 | /** |
| 1119 | * An additional ordering within a particular {@link #importance} |
| 1120 | * category, providing finer-grained information about the relative |
| 1121 | * utility of processes within a category. This number means nothing |
| 1122 | * except that a smaller values are more recently used (and thus |
| 1123 | * more important). Currently an LRU value is only maintained for |
| 1124 | * the {@link #IMPORTANCE_BACKGROUND} category, though others may |
| 1125 | * be maintained in the future. |
| 1126 | */ |
| 1127 | public int lru; |
| 1128 | |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1129 | /** |
| 1130 | * Constant for {@link #importanceReasonCode}: nothing special has |
| 1131 | * been specified for the reason for this level. |
| 1132 | */ |
| 1133 | public static final int REASON_UNKNOWN = 0; |
| 1134 | |
| 1135 | /** |
| 1136 | * Constant for {@link #importanceReasonCode}: one of the application's |
| 1137 | * content providers is being used by another process. The pid of |
| 1138 | * the client process is in {@link #importanceReasonPid} and the |
| 1139 | * target provider in this process is in |
| 1140 | * {@link #importanceReasonComponent}. |
| 1141 | */ |
| 1142 | public static final int REASON_PROVIDER_IN_USE = 1; |
| 1143 | |
| 1144 | /** |
| 1145 | * Constant for {@link #importanceReasonCode}: one of the application's |
| 1146 | * content providers is being used by another process. The pid of |
| 1147 | * the client process is in {@link #importanceReasonPid} and the |
| 1148 | * target provider in this process is in |
| 1149 | * {@link #importanceReasonComponent}. |
| 1150 | */ |
| 1151 | public static final int REASON_SERVICE_IN_USE = 2; |
| 1152 | |
| 1153 | /** |
| 1154 | * The reason for {@link #importance}, if any. |
| 1155 | */ |
| 1156 | public int importanceReasonCode; |
| 1157 | |
| 1158 | /** |
| 1159 | * For the specified values of {@link #importanceReasonCode}, this |
| 1160 | * is the process ID of the other process that is a client of this |
| 1161 | * process. This will be 0 if no other process is using this one. |
| 1162 | */ |
| 1163 | public int importanceReasonPid; |
| 1164 | |
| 1165 | /** |
| 1166 | * For the specified values of {@link #importanceReasonCode}, this |
| 1167 | * is the name of the component that is being used in this process. |
| 1168 | */ |
| 1169 | public ComponentName importanceReasonComponent; |
| 1170 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1171 | public RunningAppProcessInfo() { |
| 1172 | importance = IMPORTANCE_FOREGROUND; |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1173 | importanceReasonCode = REASON_UNKNOWN; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1174 | } |
| 1175 | |
| 1176 | public RunningAppProcessInfo(String pProcessName, int pPid, String pArr[]) { |
| 1177 | processName = pProcessName; |
| 1178 | pid = pPid; |
| 1179 | pkgList = pArr; |
| 1180 | } |
| 1181 | |
| 1182 | public int describeContents() { |
| 1183 | return 0; |
| 1184 | } |
| 1185 | |
| 1186 | public void writeToParcel(Parcel dest, int flags) { |
| 1187 | dest.writeString(processName); |
| 1188 | dest.writeInt(pid); |
Dianne Hackborn | eb03465 | 2009-09-07 00:49:58 -0700 | [diff] [blame] | 1189 | dest.writeInt(uid); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1190 | dest.writeStringArray(pkgList); |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1191 | dest.writeInt(this.flags); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1192 | dest.writeInt(importance); |
| 1193 | dest.writeInt(lru); |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1194 | dest.writeInt(importanceReasonCode); |
| 1195 | dest.writeInt(importanceReasonPid); |
| 1196 | ComponentName.writeToParcel(importanceReasonComponent, dest); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1197 | } |
| 1198 | |
| 1199 | public void readFromParcel(Parcel source) { |
| 1200 | processName = source.readString(); |
| 1201 | pid = source.readInt(); |
Dianne Hackborn | eb03465 | 2009-09-07 00:49:58 -0700 | [diff] [blame] | 1202 | uid = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1203 | pkgList = source.readStringArray(); |
Dianne Hackborn | baf42c6 | 2010-06-24 11:23:39 -0700 | [diff] [blame] | 1204 | flags = source.readInt(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1205 | importance = source.readInt(); |
| 1206 | lru = source.readInt(); |
Dianne Hackborn | dd9b82c | 2009-09-03 00:18:47 -0700 | [diff] [blame] | 1207 | importanceReasonCode = source.readInt(); |
| 1208 | importanceReasonPid = source.readInt(); |
| 1209 | importanceReasonComponent = ComponentName.readFromParcel(source); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1210 | } |
| 1211 | |
| 1212 | public static final Creator<RunningAppProcessInfo> CREATOR = |
| 1213 | new Creator<RunningAppProcessInfo>() { |
| 1214 | public RunningAppProcessInfo createFromParcel(Parcel source) { |
| 1215 | return new RunningAppProcessInfo(source); |
| 1216 | } |
| 1217 | public RunningAppProcessInfo[] newArray(int size) { |
| 1218 | return new RunningAppProcessInfo[size]; |
| 1219 | } |
| 1220 | }; |
| 1221 | |
| 1222 | private RunningAppProcessInfo(Parcel source) { |
| 1223 | readFromParcel(source); |
| 1224 | } |
| 1225 | } |
| 1226 | |
| 1227 | /** |
Suchi Amalapurapu | f7f5dda | 2010-03-23 10:34:28 -0700 | [diff] [blame] | 1228 | * Returns a list of application processes installed on external media |
| 1229 | * that are running on the device. |
| 1230 | * |
| 1231 | * @return Returns a list of ApplicationInfo records, or null if none |
| 1232 | * This list ordering is not specified. |
| 1233 | * @hide |
| 1234 | */ |
| 1235 | public List<ApplicationInfo> getRunningExternalApplications() { |
| 1236 | try { |
| 1237 | return ActivityManagerNative.getDefault().getRunningExternalApplications(); |
| 1238 | } catch (RemoteException e) { |
| 1239 | return null; |
| 1240 | } |
| 1241 | } |
| 1242 | |
| 1243 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1244 | * Returns a list of application processes that are running on the device. |
| 1245 | * |
| 1246 | * @return Returns a list of RunningAppProcessInfo records, or null if there are no |
| 1247 | * running processes (it will not return an empty list). This list ordering is not |
| 1248 | * specified. |
| 1249 | */ |
| 1250 | public List<RunningAppProcessInfo> getRunningAppProcesses() { |
| 1251 | try { |
| 1252 | return ActivityManagerNative.getDefault().getRunningAppProcesses(); |
| 1253 | } catch (RemoteException e) { |
| 1254 | return null; |
| 1255 | } |
| 1256 | } |
| 1257 | |
| 1258 | /** |
Dianne Hackborn | 4f21c4c | 2009-09-17 10:24:05 -0700 | [diff] [blame] | 1259 | * Return information about the memory usage of one or more processes. |
| 1260 | * |
| 1261 | * @param pids The pids of the processes whose memory usage is to be |
| 1262 | * retrieved. |
| 1263 | * @return Returns an array of memory information, one for each |
| 1264 | * requested pid. |
| 1265 | */ |
| 1266 | public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { |
| 1267 | try { |
| 1268 | return ActivityManagerNative.getDefault().getProcessMemoryInfo(pids); |
| 1269 | } catch (RemoteException e) { |
| 1270 | return null; |
| 1271 | } |
| 1272 | } |
| 1273 | |
| 1274 | /** |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1275 | * @deprecated This is now just a wrapper for |
| 1276 | * {@link #killBackgroundProcesses(String)}; the previous behavior here |
| 1277 | * is no longer available to applications because it allows them to |
| 1278 | * break other applications by removing their alarms, stopping their |
| 1279 | * services, etc. |
| 1280 | */ |
| 1281 | @Deprecated |
| 1282 | public void restartPackage(String packageName) { |
| 1283 | killBackgroundProcesses(packageName); |
| 1284 | } |
| 1285 | |
| 1286 | /** |
| 1287 | * Have the system immediately kill all background processes associated |
| 1288 | * with the given package. This is the same as the kernel killing those |
| 1289 | * processes to reclaim memory; the system will take care of restarting |
| 1290 | * these processes in the future as needed. |
| 1291 | * |
| 1292 | * <p>You must hold the permission |
| 1293 | * {@link android.Manifest.permission#KILL_BACKGROUND_PROCESSES} to be able to |
| 1294 | * call this method. |
| 1295 | * |
| 1296 | * @param packageName The name of the package whose processes are to |
| 1297 | * be killed. |
| 1298 | */ |
| 1299 | public void killBackgroundProcesses(String packageName) { |
| 1300 | try { |
| 1301 | ActivityManagerNative.getDefault().killBackgroundProcesses(packageName); |
| 1302 | } catch (RemoteException e) { |
| 1303 | } |
| 1304 | } |
| 1305 | |
| 1306 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1307 | * Have the system perform a force stop of everything associated with |
| 1308 | * the given application package. All processes that share its uid |
| 1309 | * will be killed, all services it has running stopped, all activities |
| 1310 | * removed, etc. In addition, a {@link Intent#ACTION_PACKAGE_RESTARTED} |
| 1311 | * broadcast will be sent, so that any of its registered alarms can |
| 1312 | * be stopped, notifications removed, etc. |
| 1313 | * |
| 1314 | * <p>You must hold the permission |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1315 | * {@link android.Manifest.permission#FORCE_STOP_PACKAGES} to be able to |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1316 | * call this method. |
| 1317 | * |
| 1318 | * @param packageName The name of the package to be stopped. |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1319 | * |
| 1320 | * @hide This is not available to third party applications due to |
| 1321 | * it allowing them to break other applications by stopping their |
| 1322 | * services, removing their alarms, etc. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1323 | */ |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1324 | public void forceStopPackage(String packageName) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1325 | try { |
Dianne Hackborn | 03abb81 | 2010-01-04 18:43:19 -0800 | [diff] [blame] | 1326 | ActivityManagerNative.getDefault().forceStopPackage(packageName); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1327 | } catch (RemoteException e) { |
| 1328 | } |
| 1329 | } |
| 1330 | |
| 1331 | /** |
| 1332 | * Get the device configuration attributes. |
| 1333 | */ |
| 1334 | public ConfigurationInfo getDeviceConfigurationInfo() { |
| 1335 | try { |
| 1336 | return ActivityManagerNative.getDefault().getDeviceConfigurationInfo(); |
| 1337 | } catch (RemoteException e) { |
| 1338 | } |
| 1339 | return null; |
| 1340 | } |
Kenny Root | 5ef44b7 | 2011-01-26 17:22:20 -0800 | [diff] [blame] | 1341 | |
| 1342 | /** |
| 1343 | * Get the preferred density of icons for the launcher. This is used when |
| 1344 | * custom drawables are created (e.g., for shortcuts). |
| 1345 | * |
| 1346 | * @return density in terms of DPI |
| 1347 | */ |
| 1348 | public int getLauncherLargeIconDensity() { |
| 1349 | final Resources res = mContext.getResources(); |
| 1350 | final int density = res.getDisplayMetrics().densityDpi; |
| 1351 | |
| 1352 | if ((res.getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) |
| 1353 | != Configuration.SCREENLAYOUT_SIZE_XLARGE) { |
| 1354 | return density; |
| 1355 | } |
| 1356 | |
| 1357 | switch (density) { |
| 1358 | case DisplayMetrics.DENSITY_LOW: |
| 1359 | return DisplayMetrics.DENSITY_MEDIUM; |
| 1360 | case DisplayMetrics.DENSITY_MEDIUM: |
| 1361 | return DisplayMetrics.DENSITY_HIGH; |
| 1362 | case DisplayMetrics.DENSITY_HIGH: |
| 1363 | return DisplayMetrics.DENSITY_XHIGH; |
| 1364 | case DisplayMetrics.DENSITY_XHIGH: |
| 1365 | return DisplayMetrics.DENSITY_MEDIUM * 2; |
| 1366 | default: |
| 1367 | return density; |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | /** |
| 1372 | * Get the preferred launcher icon size. This is used when custom drawables |
| 1373 | * are created (e.g., for shortcuts). |
| 1374 | * |
| 1375 | * @return dimensions of square icons in terms of pixels |
| 1376 | */ |
| 1377 | public int getLauncherLargeIconSize() { |
| 1378 | final Resources res = mContext.getResources(); |
| 1379 | final int size = res.getDimensionPixelSize(android.R.dimen.app_icon_size); |
| 1380 | |
| 1381 | if ((res.getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) |
| 1382 | != Configuration.SCREENLAYOUT_SIZE_XLARGE) { |
| 1383 | return size; |
| 1384 | } |
| 1385 | |
| 1386 | final int density = res.getDisplayMetrics().densityDpi; |
| 1387 | |
| 1388 | switch (density) { |
| 1389 | case DisplayMetrics.DENSITY_LOW: |
| 1390 | return (size * DisplayMetrics.DENSITY_MEDIUM) / DisplayMetrics.DENSITY_LOW; |
| 1391 | case DisplayMetrics.DENSITY_MEDIUM: |
| 1392 | return (size * DisplayMetrics.DENSITY_HIGH) / DisplayMetrics.DENSITY_MEDIUM; |
| 1393 | case DisplayMetrics.DENSITY_HIGH: |
| 1394 | return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; |
| 1395 | case DisplayMetrics.DENSITY_XHIGH: |
| 1396 | return (size * DisplayMetrics.DENSITY_MEDIUM * 2) / DisplayMetrics.DENSITY_XHIGH; |
| 1397 | default: |
| 1398 | return size; |
| 1399 | } |
| 1400 | } |
| 1401 | |
Dianne Hackborn | 9327f4f | 2010-01-29 10:38:29 -0800 | [diff] [blame] | 1402 | /** |
| 1403 | * Returns "true" if the user interface is currently being messed with |
| 1404 | * by a monkey. |
| 1405 | */ |
| 1406 | public static boolean isUserAMonkey() { |
| 1407 | try { |
| 1408 | return ActivityManagerNative.getDefault().isUserAMonkey(); |
| 1409 | } catch (RemoteException e) { |
| 1410 | } |
| 1411 | return false; |
| 1412 | } |
Brett Chabot | 3b4fcbc | 2011-01-09 13:41:02 -0800 | [diff] [blame] | 1413 | |
| 1414 | /** |
| 1415 | * Returns "true" if device is running in a test harness. |
| 1416 | */ |
| 1417 | public static boolean isRunningInTestHarness() { |
| 1418 | return SystemProperties.getBoolean("ro.test_harness", false); |
| 1419 | } |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 1420 | |
| 1421 | /** |
| 1422 | * Returns the launch count of each installed package. |
| 1423 | * |
| 1424 | * @hide |
| 1425 | */ |
| 1426 | public Map<String, Integer> getAllPackageLaunchCounts() { |
| 1427 | try { |
| 1428 | IUsageStats usageStatsService = IUsageStats.Stub.asInterface( |
| 1429 | ServiceManager.getService("usagestats")); |
| 1430 | if (usageStatsService == null) { |
| 1431 | return new HashMap<String, Integer>(); |
| 1432 | } |
| 1433 | |
Peter Visontay | bfcda39 | 2011-03-02 18:53:37 +0000 | [diff] [blame] | 1434 | PkgUsageStats[] allPkgUsageStats = usageStatsService.getAllPkgUsageStats(); |
| 1435 | if (allPkgUsageStats == null) { |
| 1436 | return new HashMap<String, Integer>(); |
| 1437 | } |
| 1438 | |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 1439 | Map<String, Integer> launchCounts = new HashMap<String, Integer>(); |
Peter Visontay | bfcda39 | 2011-03-02 18:53:37 +0000 | [diff] [blame] | 1440 | for (PkgUsageStats pkgUsageStats : allPkgUsageStats) { |
Peter Visontay | 8d224ca | 2011-02-18 16:39:19 +0000 | [diff] [blame] | 1441 | launchCounts.put(pkgUsageStats.packageName, pkgUsageStats.launchCount); |
| 1442 | } |
| 1443 | |
| 1444 | return launchCounts; |
| 1445 | } catch (RemoteException e) { |
| 1446 | Log.w(TAG, "Could not query launch counts", e); |
| 1447 | return new HashMap<String, Integer>(); |
| 1448 | } |
| 1449 | } |
Amith Yamasani | 4b2e934 | 2011-03-31 12:38:53 -0700 | [diff] [blame] | 1450 | |
| 1451 | /** |
| 1452 | * @param userid the user's id. Zero indicates the default user |
| 1453 | * @hide |
| 1454 | */ |
| 1455 | public boolean switchUser(int userid) { |
| 1456 | try { |
| 1457 | return ActivityManagerNative.getDefault().switchUser(userid); |
| 1458 | } catch (RemoteException e) { |
| 1459 | return false; |
| 1460 | } |
| 1461 | } |
| 1462 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1463 | } |