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.content.pm;
18 
19 import android.annotation.IntDef;
20 import android.content.res.Configuration;
21 import android.content.res.Configuration.NativeConfig;
22 import android.os.Parcel;
23 import android.os.Parcelable;
24 import android.util.Printer;
25 
26 import java.lang.annotation.Retention;
27 import java.lang.annotation.RetentionPolicy;
28 
29 /**
30  * Information you can retrieve about a particular application
31  * activity or receiver. This corresponds to information collected
32  * from the AndroidManifest.xml's <activity> and
33  * <receiver> tags.
34  */
35 public class ActivityInfo extends ComponentInfo
36         implements Parcelable {
37 
38      // NOTE: When adding new data members be sure to update the copy-constructor, Parcel
39      // constructor, and writeToParcel.
40 
41     /**
42      * A style resource identifier (in the package's resources) of this
43      * activity's theme.  From the "theme" attribute or, if not set, 0.
44      */
45     public int theme;
46 
47     /**
48      * Constant corresponding to <code>standard</code> in
49      * the {@link android.R.attr#launchMode} attribute.
50      */
51     public static final int LAUNCH_MULTIPLE = 0;
52     /**
53      * Constant corresponding to <code>singleTop</code> in
54      * the {@link android.R.attr#launchMode} attribute.
55      */
56     public static final int LAUNCH_SINGLE_TOP = 1;
57     /**
58      * Constant corresponding to <code>singleTask</code> in
59      * the {@link android.R.attr#launchMode} attribute.
60      */
61     public static final int LAUNCH_SINGLE_TASK = 2;
62     /**
63      * Constant corresponding to <code>singleInstance</code> in
64      * the {@link android.R.attr#launchMode} attribute.
65      */
66     public static final int LAUNCH_SINGLE_INSTANCE = 3;
67     /**
68      * The launch mode style requested by the activity.  From the
69      * {@link android.R.attr#launchMode} attribute, one of
70      * {@link #LAUNCH_MULTIPLE},
71      * {@link #LAUNCH_SINGLE_TOP}, {@link #LAUNCH_SINGLE_TASK}, or
72      * {@link #LAUNCH_SINGLE_INSTANCE}.
73      */
74     public int launchMode;
75 
76     /**
77      * Constant corresponding to <code>none</code> in
78      * the {@link android.R.attr#documentLaunchMode} attribute.
79      */
80     public static final int DOCUMENT_LAUNCH_NONE = 0;
81     /**
82      * Constant corresponding to <code>intoExisting</code> in
83      * the {@link android.R.attr#documentLaunchMode} attribute.
84      */
85     public static final int DOCUMENT_LAUNCH_INTO_EXISTING = 1;
86     /**
87      * Constant corresponding to <code>always</code> in
88      * the {@link android.R.attr#documentLaunchMode} attribute.
89      */
90     public static final int DOCUMENT_LAUNCH_ALWAYS = 2;
91     /**
92      * Constant corresponding to <code>never</code> in
93      * the {@link android.R.attr#documentLaunchMode} attribute.
94      */
95     public static final int DOCUMENT_LAUNCH_NEVER = 3;
96     /**
97      * The document launch mode style requested by the activity. From the
98      * {@link android.R.attr#documentLaunchMode} attribute, one of
99      * {@link #DOCUMENT_LAUNCH_NONE}, {@link #DOCUMENT_LAUNCH_INTO_EXISTING},
100      * {@link #DOCUMENT_LAUNCH_ALWAYS}.
101      *
102      * <p>Modes DOCUMENT_LAUNCH_ALWAYS
103      * and DOCUMENT_LAUNCH_INTO_EXISTING are equivalent to {@link
104      * android.content.Intent#FLAG_ACTIVITY_NEW_DOCUMENT
105      * Intent.FLAG_ACTIVITY_NEW_DOCUMENT} with and without {@link
106      * android.content.Intent#FLAG_ACTIVITY_MULTIPLE_TASK
107      * Intent.FLAG_ACTIVITY_MULTIPLE_TASK} respectively.
108      */
109     public int documentLaunchMode;
110 
111     /**
112      * Constant corresponding to <code>persistRootOnly</code> in
113      * the {@link android.R.attr#persistableMode} attribute.
114      */
115     public static final int PERSIST_ROOT_ONLY = 0;
116     /**
117      * Constant corresponding to <code>doNotPersist</code> in
118      * the {@link android.R.attr#persistableMode} attribute.
119      */
120     public static final int PERSIST_NEVER = 1;
121     /**
122      * Constant corresponding to <code>persistAcrossReboots</code> in
123      * the {@link android.R.attr#persistableMode} attribute.
124      */
125     public static final int PERSIST_ACROSS_REBOOTS = 2;
126     /**
127      * Value indicating how this activity is to be persisted across
128      * reboots for restoring in the Recents list.
129      * {@link android.R.attr#persistableMode}
130      */
131     public int persistableMode;
132 
133     /**
134      * The maximum number of tasks rooted at this activity that can be in the recent task list.
135      * Refer to {@link android.R.attr#maxRecents}.
136      */
137     public int maxRecents;
138 
139     /**
140      * Optional name of a permission required to be able to access this
141      * Activity.  From the "permission" attribute.
142      */
143     public String permission;
144 
145     /**
146      * The affinity this activity has for another task in the system.  The
147      * string here is the name of the task, often the package name of the
148      * overall package.  If null, the activity has no affinity.  Set from the
149      * {@link android.R.attr#taskAffinity} attribute.
150      */
151     public String taskAffinity;
152 
153     /**
154      * If this is an activity alias, this is the real activity class to run
155      * for it.  Otherwise, this is null.
156      */
157     public String targetActivity;
158 
159     /**
160      * Activity can not be resized and always occupies the fullscreen area with all windows fully
161      * visible.
162      * @hide
163      */
164     public static final int RESIZE_MODE_UNRESIZEABLE = 0;
165     /**
166      * Activity can not be resized and always occupies the fullscreen area with all windows cropped
167      * to either the task or stack bounds.
168      * @hide
169      */
170     public static final int RESIZE_MODE_CROP_WINDOWS = 1;
171     /**
172      * Activity is resizeable.
173      * @hide
174      */
175     public static final int RESIZE_MODE_RESIZEABLE = 2;
176     /**
177      * Activity is resizeable and supported picture-in-picture mode.
178      * @hide
179      */
180     public static final int RESIZE_MODE_RESIZEABLE_AND_PIPABLE = 3;
181     /**
182      * Activity is does not support resizing, but we are forcing it to be resizeable.
183      * @hide
184      */
185     public static final int RESIZE_MODE_FORCE_RESIZEABLE = 4;
186     /**
187      * Value indicating if the resizing mode the activity supports.
188      * See {@link android.R.attr#resizeableActivity}.
189      * @hide
190      */
191     public int resizeMode = RESIZE_MODE_RESIZEABLE;
192 
193     /**
194      * Name of the VrListenerService component to run for this activity.
195      * @see android.R.attr#enableVrMode
196      * @hide
197      */
198     public String requestedVrComponent;
199 
200     /**
201      * Bit in {@link #flags} indicating whether this activity is able to
202      * run in multiple processes.  If
203      * true, the system may instantiate it in the some process as the
204      * process starting it in order to conserve resources.  If false, the
205      * default, it always runs in {@link #processName}.  Set from the
206      * {@link android.R.attr#multiprocess} attribute.
207      */
208     public static final int FLAG_MULTIPROCESS = 0x0001;
209     /**
210      * Bit in {@link #flags} indicating that, when the activity's task is
211      * relaunched from home, this activity should be finished.
212      * Set from the
213      * {@link android.R.attr#finishOnTaskLaunch} attribute.
214      */
215     public static final int FLAG_FINISH_ON_TASK_LAUNCH = 0x0002;
216     /**
217      * Bit in {@link #flags} indicating that, when the activity is the root
218      * of a task, that task's stack should be cleared each time the user
219      * re-launches it from home.  As a result, the user will always
220      * return to the original activity at the top of the task.
221      * This flag only applies to activities that
222      * are used to start the root of a new task.  Set from the
223      * {@link android.R.attr#clearTaskOnLaunch} attribute.
224      */
225     public static final int FLAG_CLEAR_TASK_ON_LAUNCH = 0x0004;
226     /**
227      * Bit in {@link #flags} indicating that, when the activity is the root
228      * of a task, that task's stack should never be cleared when it is
229      * relaunched from home.  Set from the
230      * {@link android.R.attr#alwaysRetainTaskState} attribute.
231      */
232     public static final int FLAG_ALWAYS_RETAIN_TASK_STATE = 0x0008;
233     /**
234      * Bit in {@link #flags} indicating that the activity's state
235      * is not required to be saved, so that if there is a failure the
236      * activity will not be removed from the activity stack.  Set from the
237      * {@link android.R.attr#stateNotNeeded} attribute.
238      */
239     public static final int FLAG_STATE_NOT_NEEDED = 0x0010;
240     /**
241      * Bit in {@link #flags} that indicates that the activity should not
242      * appear in the list of recently launched activities.  Set from the
243      * {@link android.R.attr#excludeFromRecents} attribute.
244      */
245     public static final int FLAG_EXCLUDE_FROM_RECENTS = 0x0020;
246     /**
247      * Bit in {@link #flags} that indicates that the activity can be moved
248      * between tasks based on its task affinity.  Set from the
249      * {@link android.R.attr#allowTaskReparenting} attribute.
250      */
251     public static final int FLAG_ALLOW_TASK_REPARENTING = 0x0040;
252     /**
253      * Bit in {@link #flags} indicating that, when the user navigates away
254      * from an activity, it should be finished.
255      * Set from the
256      * {@link android.R.attr#noHistory} attribute.
257      */
258     public static final int FLAG_NO_HISTORY = 0x0080;
259     /**
260      * Bit in {@link #flags} indicating that, when a request to close system
261      * windows happens, this activity is finished.
262      * Set from the
263      * {@link android.R.attr#finishOnCloseSystemDialogs} attribute.
264      */
265     public static final int FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS = 0x0100;
266     /**
267      * Value for {@link #flags}: true when the application's rendering should
268      * be hardware accelerated.
269      */
270     public static final int FLAG_HARDWARE_ACCELERATED = 0x0200;
271     /**
272      * Value for {@link #flags}: true when the application can be displayed for all users
273      * regardless of if the user of the application is the current user. Set from the
274      * {@link android.R.attr#showForAllUsers} attribute.
275      * @hide
276      */
277     public static final int FLAG_SHOW_FOR_ALL_USERS = 0x0400;
278     /**
279      * Bit in {@link #flags} corresponding to an immersive activity
280      * that wishes not to be interrupted by notifications.
281      * Applications that hide the system notification bar with
282      * {@link android.view.WindowManager.LayoutParams#FLAG_FULLSCREEN}
283      * may still be interrupted by high-priority notifications; for example, an
284      * incoming phone call may use
285      * {@link android.app.Notification#fullScreenIntent fullScreenIntent}
286      * to present a full-screen in-call activity to the user, pausing the
287      * current activity as a side-effect. An activity with
288      * {@link #FLAG_IMMERSIVE} set, however, will not be interrupted; the
289      * notification may be shown in some other way (such as a small floating
290      * "toast" window).
291      *
292      * Note that this flag will always reflect the Activity's
293      * <code>android:immersive</code> manifest definition, even if the Activity's
294      * immersive state is changed at runtime via
295      * {@link android.app.Activity#setImmersive(boolean)}.
296      *
297      * @see android.app.Notification#FLAG_HIGH_PRIORITY
298      * @see android.app.Activity#setImmersive(boolean)
299      */
300     public static final int FLAG_IMMERSIVE = 0x0800;
301     /**
302      * Bit in {@link #flags}: If set, a task rooted at this activity will have its
303      * baseIntent replaced by the activity immediately above this. Each activity may further
304      * relinquish its identity to the activity above it using this flag. Set from the
305      * {@link android.R.attr#relinquishTaskIdentity} attribute.
306      */
307     public static final int FLAG_RELINQUISH_TASK_IDENTITY = 0x1000;
308     /**
309      * Bit in {@link #flags} indicating that tasks started with this activity are to be
310      * removed from the recent list of tasks when the last activity in the task is finished.
311      * Corresponds to {@link android.R.attr#autoRemoveFromRecents}
312      */
313     public static final int FLAG_AUTO_REMOVE_FROM_RECENTS = 0x2000;
314     /**
315      * Bit in {@link #flags} indicating that this activity can start is creation/resume
316      * while the previous activity is still pausing.  Corresponds to
317      * {@link android.R.attr#resumeWhilePausing}
318      */
319     public static final int FLAG_RESUME_WHILE_PAUSING = 0x4000;
320     /**
321      * Bit in {@link #flags} indicating that this activity should be run with VR mode enabled.
322      *
323      * {@see android.app.Activity#setVrMode(boolean)}.
324      */
325     public static final int FLAG_ENABLE_VR_MODE = 0x8000;
326 
327     /**
328      * Bit in {@link #flags} indicating if the activity is always focusable regardless of if it is
329      * in a task/stack whose activities are normally not focusable.
330      * See android.R.attr#alwaysFocusable.
331      * @hide
332      */
333     public static final int FLAG_ALWAYS_FOCUSABLE = 0x40000;
334 
335     /**
336      * @hide Bit in {@link #flags}: If set, this component will only be seen
337      * by the system user.  Only works with broadcast receivers.  Set from the
338      * android.R.attr#systemUserOnly attribute.
339      */
340     public static final int FLAG_SYSTEM_USER_ONLY = 0x20000000;
341     /**
342      * Bit in {@link #flags}: If set, a single instance of the receiver will
343      * run for all users on the device.  Set from the
344      * {@link android.R.attr#singleUser} attribute.  Note that this flag is
345      * only relevant for ActivityInfo structures that are describing receiver
346      * components; it is not applied to activities.
347      */
348     public static final int FLAG_SINGLE_USER = 0x40000000;
349     /**
350      * @hide Bit in {@link #flags}: If set, this activity may be launched into an
351      * owned ActivityContainer such as that within an ActivityView. If not set and
352      * this activity is launched into such a container a SecurityException will be
353      * thrown. Set from the {@link android.R.attr#allowEmbedded} attribute.
354      */
355     public static final int FLAG_ALLOW_EMBEDDED = 0x80000000;
356     /**
357      * Options that have been set in the activity declaration in the
358      * manifest.
359      * These include:
360      * {@link #FLAG_MULTIPROCESS},
361      * {@link #FLAG_FINISH_ON_TASK_LAUNCH}, {@link #FLAG_CLEAR_TASK_ON_LAUNCH},
362      * {@link #FLAG_ALWAYS_RETAIN_TASK_STATE},
363      * {@link #FLAG_STATE_NOT_NEEDED}, {@link #FLAG_EXCLUDE_FROM_RECENTS},
364      * {@link #FLAG_ALLOW_TASK_REPARENTING}, {@link #FLAG_NO_HISTORY},
365      * {@link #FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS},
366      * {@link #FLAG_HARDWARE_ACCELERATED}, {@link #FLAG_SINGLE_USER}.
367      */
368     public int flags;
369 
370     /** @hide */
371     @IntDef({
372             SCREEN_ORIENTATION_UNSPECIFIED,
373             SCREEN_ORIENTATION_LANDSCAPE,
374             SCREEN_ORIENTATION_PORTRAIT,
375             SCREEN_ORIENTATION_USER,
376             SCREEN_ORIENTATION_BEHIND,
377             SCREEN_ORIENTATION_SENSOR,
378             SCREEN_ORIENTATION_NOSENSOR,
379             SCREEN_ORIENTATION_SENSOR_LANDSCAPE,
380             SCREEN_ORIENTATION_SENSOR_PORTRAIT,
381             SCREEN_ORIENTATION_REVERSE_LANDSCAPE,
382             SCREEN_ORIENTATION_REVERSE_PORTRAIT,
383             SCREEN_ORIENTATION_FULL_SENSOR,
384             SCREEN_ORIENTATION_USER_LANDSCAPE,
385             SCREEN_ORIENTATION_USER_PORTRAIT,
386             SCREEN_ORIENTATION_FULL_USER,
387             SCREEN_ORIENTATION_LOCKED
388     })
389     @Retention(RetentionPolicy.SOURCE)
390     public @interface ScreenOrientation {}
391 
392     /**
393      * Constant corresponding to <code>unspecified</code> in
394      * the {@link android.R.attr#screenOrientation} attribute.
395      */
396     public static final int SCREEN_ORIENTATION_UNSPECIFIED = -1;
397     /**
398      * Constant corresponding to <code>landscape</code> in
399      * the {@link android.R.attr#screenOrientation} attribute.
400      */
401     public static final int SCREEN_ORIENTATION_LANDSCAPE = 0;
402     /**
403      * Constant corresponding to <code>portrait</code> in
404      * the {@link android.R.attr#screenOrientation} attribute.
405      */
406     public static final int SCREEN_ORIENTATION_PORTRAIT = 1;
407     /**
408      * Constant corresponding to <code>user</code> in
409      * the {@link android.R.attr#screenOrientation} attribute.
410      */
411     public static final int SCREEN_ORIENTATION_USER = 2;
412     /**
413      * Constant corresponding to <code>behind</code> in
414      * the {@link android.R.attr#screenOrientation} attribute.
415      */
416     public static final int SCREEN_ORIENTATION_BEHIND = 3;
417     /**
418      * Constant corresponding to <code>sensor</code> in
419      * the {@link android.R.attr#screenOrientation} attribute.
420      */
421     public static final int SCREEN_ORIENTATION_SENSOR = 4;
422 
423     /**
424      * Constant corresponding to <code>nosensor</code> in
425      * the {@link android.R.attr#screenOrientation} attribute.
426      */
427     public static final int SCREEN_ORIENTATION_NOSENSOR = 5;
428 
429     /**
430      * Constant corresponding to <code>sensorLandscape</code> in
431      * the {@link android.R.attr#screenOrientation} attribute.
432      */
433     public static final int SCREEN_ORIENTATION_SENSOR_LANDSCAPE = 6;
434 
435     /**
436      * Constant corresponding to <code>sensorPortrait</code> in
437      * the {@link android.R.attr#screenOrientation} attribute.
438      */
439     public static final int SCREEN_ORIENTATION_SENSOR_PORTRAIT = 7;
440 
441     /**
442      * Constant corresponding to <code>reverseLandscape</code> in
443      * the {@link android.R.attr#screenOrientation} attribute.
444      */
445     public static final int SCREEN_ORIENTATION_REVERSE_LANDSCAPE = 8;
446 
447     /**
448      * Constant corresponding to <code>reversePortrait</code> in
449      * the {@link android.R.attr#screenOrientation} attribute.
450      */
451     public static final int SCREEN_ORIENTATION_REVERSE_PORTRAIT = 9;
452 
453     /**
454      * Constant corresponding to <code>fullSensor</code> in
455      * the {@link android.R.attr#screenOrientation} attribute.
456      */
457     public static final int SCREEN_ORIENTATION_FULL_SENSOR = 10;
458 
459     /**
460      * Constant corresponding to <code>userLandscape</code> in
461      * the {@link android.R.attr#screenOrientation} attribute.
462      */
463     public static final int SCREEN_ORIENTATION_USER_LANDSCAPE = 11;
464 
465     /**
466      * Constant corresponding to <code>userPortrait</code> in
467      * the {@link android.R.attr#screenOrientation} attribute.
468      */
469     public static final int SCREEN_ORIENTATION_USER_PORTRAIT = 12;
470 
471     /**
472      * Constant corresponding to <code>fullUser</code> in
473      * the {@link android.R.attr#screenOrientation} attribute.
474      */
475     public static final int SCREEN_ORIENTATION_FULL_USER = 13;
476 
477     /**
478      * Constant corresponding to <code>locked</code> in
479      * the {@link android.R.attr#screenOrientation} attribute.
480      */
481     public static final int SCREEN_ORIENTATION_LOCKED = 14;
482 
483     /**
484      * The preferred screen orientation this activity would like to run in.
485      * From the {@link android.R.attr#screenOrientation} attribute, one of
486      * {@link #SCREEN_ORIENTATION_UNSPECIFIED},
487      * {@link #SCREEN_ORIENTATION_LANDSCAPE},
488      * {@link #SCREEN_ORIENTATION_PORTRAIT},
489      * {@link #SCREEN_ORIENTATION_USER},
490      * {@link #SCREEN_ORIENTATION_BEHIND},
491      * {@link #SCREEN_ORIENTATION_SENSOR},
492      * {@link #SCREEN_ORIENTATION_NOSENSOR},
493      * {@link #SCREEN_ORIENTATION_SENSOR_LANDSCAPE},
494      * {@link #SCREEN_ORIENTATION_SENSOR_PORTRAIT},
495      * {@link #SCREEN_ORIENTATION_REVERSE_LANDSCAPE},
496      * {@link #SCREEN_ORIENTATION_REVERSE_PORTRAIT},
497      * {@link #SCREEN_ORIENTATION_FULL_SENSOR},
498      * {@link #SCREEN_ORIENTATION_USER_LANDSCAPE},
499      * {@link #SCREEN_ORIENTATION_USER_PORTRAIT},
500      * {@link #SCREEN_ORIENTATION_FULL_USER},
501      * {@link #SCREEN_ORIENTATION_LOCKED},
502      */
503     @ScreenOrientation
504     public int screenOrientation = SCREEN_ORIENTATION_UNSPECIFIED;
505 
506     /** @hide */
507     @IntDef(flag = true,
508             value = {
509                     CONFIG_MCC,
510                     CONFIG_MNC,
511                     CONFIG_LOCALE,
512                     CONFIG_TOUCHSCREEN,
513                     CONFIG_KEYBOARD,
514                     CONFIG_KEYBOARD_HIDDEN,
515                     CONFIG_NAVIGATION,
516                     CONFIG_ORIENTATION,
517                     CONFIG_SCREEN_LAYOUT,
518                     CONFIG_UI_MODE,
519                     CONFIG_SCREEN_SIZE,
520                     CONFIG_SMALLEST_SCREEN_SIZE,
521                     CONFIG_DENSITY,
522                     CONFIG_LAYOUT_DIRECTION,
523                     CONFIG_FONT_SCALE,
524             })
525     @Retention(RetentionPolicy.SOURCE)
526     public @interface Config {}
527 
528     /**
529      * Bit in {@link #configChanges} that indicates that the activity
530      * can itself handle changes to the IMSI MCC.  Set from the
531      * {@link android.R.attr#configChanges} attribute.
532      */
533     public static final int CONFIG_MCC = 0x0001;
534     /**
535      * Bit in {@link #configChanges} that indicates that the activity
536      * can itself handle changes to the IMSI MNC.  Set from the
537      * {@link android.R.attr#configChanges} attribute.
538      */
539     public static final int CONFIG_MNC = 0x0002;
540     /**
541      * Bit in {@link #configChanges} that indicates that the activity
542      * can itself handle changes to the locale.  Set from the
543      * {@link android.R.attr#configChanges} attribute.
544      */
545     public static final int CONFIG_LOCALE = 0x0004;
546     /**
547      * Bit in {@link #configChanges} that indicates that the activity
548      * can itself handle changes to the touchscreen type.  Set from the
549      * {@link android.R.attr#configChanges} attribute.
550      */
551     public static final int CONFIG_TOUCHSCREEN = 0x0008;
552     /**
553      * Bit in {@link #configChanges} that indicates that the activity
554      * can itself handle changes to the keyboard type.  Set from the
555      * {@link android.R.attr#configChanges} attribute.
556      */
557     public static final int CONFIG_KEYBOARD = 0x0010;
558     /**
559      * Bit in {@link #configChanges} that indicates that the activity
560      * can itself handle changes to the keyboard or navigation being hidden/exposed.
561      * Note that inspite of the name, this applies to the changes to any
562      * hidden states: keyboard or navigation.
563      * Set from the {@link android.R.attr#configChanges} attribute.
564      */
565     public static final int CONFIG_KEYBOARD_HIDDEN = 0x0020;
566     /**
567      * Bit in {@link #configChanges} that indicates that the activity
568      * can itself handle changes to the navigation type.  Set from the
569      * {@link android.R.attr#configChanges} attribute.
570      */
571     public static final int CONFIG_NAVIGATION = 0x0040;
572     /**
573      * Bit in {@link #configChanges} that indicates that the activity
574      * can itself handle changes to the screen orientation.  Set from the
575      * {@link android.R.attr#configChanges} attribute.
576      */
577     public static final int CONFIG_ORIENTATION = 0x0080;
578     /**
579      * Bit in {@link #configChanges} that indicates that the activity
580      * can itself handle changes to the screen layout.  Set from the
581      * {@link android.R.attr#configChanges} attribute.
582      */
583     public static final int CONFIG_SCREEN_LAYOUT = 0x0100;
584     /**
585      * Bit in {@link #configChanges} that indicates that the activity
586      * can itself handle the ui mode. Set from the
587      * {@link android.R.attr#configChanges} attribute.
588      */
589     public static final int CONFIG_UI_MODE = 0x0200;
590     /**
591      * Bit in {@link #configChanges} that indicates that the activity
592      * can itself handle the screen size. Set from the
593      * {@link android.R.attr#configChanges} attribute.  This will be
594      * set by default for applications that target an earlier version
595      * than {@link android.os.Build.VERSION_CODES#HONEYCOMB_MR2}...
596      * <b>however</b>, you will not see the bit set here becomes some
597      * applications incorrectly compare {@link #configChanges} against
598      * an absolute value rather than correctly masking out the bits
599      * they are interested in.  Please don't do that, thanks.
600      */
601     public static final int CONFIG_SCREEN_SIZE = 0x0400;
602     /**
603      * Bit in {@link #configChanges} that indicates that the activity
604      * can itself handle the smallest screen size. Set from the
605      * {@link android.R.attr#configChanges} attribute.  This will be
606      * set by default for applications that target an earlier version
607      * than {@link android.os.Build.VERSION_CODES#HONEYCOMB_MR2}...
608      * <b>however</b>, you will not see the bit set here becomes some
609      * applications incorrectly compare {@link #configChanges} against
610      * an absolute value rather than correctly masking out the bits
611      * they are interested in.  Please don't do that, thanks.
612      */
613     public static final int CONFIG_SMALLEST_SCREEN_SIZE = 0x0800;
614     /**
615      * Bit in {@link #configChanges} that indicates that the activity
616      * can itself handle density changes. Set from the
617      * {@link android.R.attr#configChanges} attribute.
618      */
619     public static final int CONFIG_DENSITY = 0x1000;
620     /**
621      * Bit in {@link #configChanges} that indicates that the activity
622      * can itself handle the change to layout direction. Set from the
623      * {@link android.R.attr#configChanges} attribute.
624      */
625     public static final int CONFIG_LAYOUT_DIRECTION = 0x2000;
626     /**
627      * Bit in {@link #configChanges} that indicates that the activity
628      * can itself handle changes to the font scaling factor.  Set from the
629      * {@link android.R.attr#configChanges} attribute.  This is
630      * not a core resource configuration, but a higher-level value, so its
631      * constant starts at the high bits.
632      */
633     public static final int CONFIG_FONT_SCALE = 0x40000000;
634 
635     /** @hide
636      * Unfortunately the constants for config changes in native code are
637      * different from ActivityInfo. :(  Here are the values we should use for the
638      * native side given the bit we have assigned in ActivityInfo.
639      */
640     public static int[] CONFIG_NATIVE_BITS = new int[] {
641         Configuration.NATIVE_CONFIG_MNC,                    // MNC
642         Configuration.NATIVE_CONFIG_MCC,                    // MCC
643         Configuration.NATIVE_CONFIG_LOCALE,                 // LOCALE
644         Configuration.NATIVE_CONFIG_TOUCHSCREEN,            // TOUCH SCREEN
645         Configuration.NATIVE_CONFIG_KEYBOARD,               // KEYBOARD
646         Configuration.NATIVE_CONFIG_KEYBOARD_HIDDEN,        // KEYBOARD HIDDEN
647         Configuration.NATIVE_CONFIG_NAVIGATION,             // NAVIGATION
648         Configuration.NATIVE_CONFIG_ORIENTATION,            // ORIENTATION
649         Configuration.NATIVE_CONFIG_SCREEN_LAYOUT,          // SCREEN LAYOUT
650         Configuration.NATIVE_CONFIG_UI_MODE,                // UI MODE
651         Configuration.NATIVE_CONFIG_SCREEN_SIZE,            // SCREEN SIZE
652         Configuration.NATIVE_CONFIG_SMALLEST_SCREEN_SIZE,   // SMALLEST SCREEN SIZE
653         Configuration.NATIVE_CONFIG_DENSITY,                // DENSITY
654         Configuration.NATIVE_CONFIG_LAYOUTDIR,              // LAYOUT DIRECTION
655     };
656 
657     /**
658      * Convert Java change bits to native.
659      *
660      * @hide
661      */
activityInfoConfigJavaToNative(@onfig int input)662     public static @NativeConfig int activityInfoConfigJavaToNative(@Config int input) {
663         int output = 0;
664         for (int i = 0; i < CONFIG_NATIVE_BITS.length; i++) {
665             if ((input & (1 << i)) != 0) {
666                 output |= CONFIG_NATIVE_BITS[i];
667             }
668         }
669         return output;
670     }
671 
672     /**
673      * Convert native change bits to Java.
674      *
675      * @hide
676      */
activityInfoConfigNativeToJava(@ativeConfig int input)677     public static @Config int activityInfoConfigNativeToJava(@NativeConfig int input) {
678         int output = 0;
679         for (int i = 0; i < CONFIG_NATIVE_BITS.length; i++) {
680             if ((input & CONFIG_NATIVE_BITS[i]) != 0) {
681                 output |= (1 << i);
682             }
683         }
684         return output;
685     }
686 
687     /**
688      * @hide
689      * Unfortunately some developers (OpenFeint I am looking at you) have
690      * compared the configChanges bit field against absolute values, so if we
691      * introduce a new bit they break.  To deal with that, we will make sure
692      * the public field will not have a value that breaks them, and let the
693      * framework call here to get the real value.
694      */
getRealConfigChanged()695     public int getRealConfigChanged() {
696         return applicationInfo.targetSdkVersion < android.os.Build.VERSION_CODES.HONEYCOMB_MR2
697                 ? (configChanges | ActivityInfo.CONFIG_SCREEN_SIZE
698                         | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE)
699                 : configChanges;
700     }
701 
702     /**
703      * Bit mask of kinds of configuration changes that this activity
704      * can handle itself (without being restarted by the system).
705      * Contains any combination of {@link #CONFIG_FONT_SCALE},
706      * {@link #CONFIG_MCC}, {@link #CONFIG_MNC},
707      * {@link #CONFIG_LOCALE}, {@link #CONFIG_TOUCHSCREEN},
708      * {@link #CONFIG_KEYBOARD}, {@link #CONFIG_NAVIGATION},
709      * {@link #CONFIG_ORIENTATION}, {@link #CONFIG_SCREEN_LAYOUT},
710      * {@link #CONFIG_DENSITY}, and {@link #CONFIG_LAYOUT_DIRECTION}.
711      * Set from the {@link android.R.attr#configChanges} attribute.
712      */
713     public int configChanges;
714 
715     /**
716      * The desired soft input mode for this activity's main window.
717      * Set from the {@link android.R.attr#windowSoftInputMode} attribute
718      * in the activity's manifest.  May be any of the same values allowed
719      * for {@link android.view.WindowManager.LayoutParams#softInputMode
720      * WindowManager.LayoutParams.softInputMode}.  If 0 (unspecified),
721      * the mode from the theme will be used.
722      */
723     public int softInputMode;
724 
725     /**
726      * The desired extra UI options for this activity and its main window.
727      * Set from the {@link android.R.attr#uiOptions} attribute in the
728      * activity's manifest.
729      */
730     public int uiOptions = 0;
731 
732     /**
733      * Flag for use with {@link #uiOptions}.
734      * Indicates that the action bar should put all action items in a separate bar when
735      * the screen is narrow.
736      * <p>This value corresponds to "splitActionBarWhenNarrow" for the {@link #uiOptions} XML
737      * attribute.
738      */
739     public static final int UIOPTION_SPLIT_ACTION_BAR_WHEN_NARROW = 1;
740 
741     /**
742      * If defined, the activity named here is the logical parent of this activity.
743      */
744     public String parentActivityName;
745 
746     /** @hide */
747     public static final int LOCK_TASK_LAUNCH_MODE_DEFAULT = 0;
748     /** @hide */
749     public static final int LOCK_TASK_LAUNCH_MODE_NEVER = 1;
750     /** @hide */
751     public static final int LOCK_TASK_LAUNCH_MODE_ALWAYS = 2;
752     /** @hide */
753     public static final int LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED = 3;
754 
755     /** @hide */
lockTaskLaunchModeToString(int lockTaskLaunchMode)756     public static final String lockTaskLaunchModeToString(int lockTaskLaunchMode) {
757         switch (lockTaskLaunchMode) {
758             case LOCK_TASK_LAUNCH_MODE_DEFAULT:
759                 return "LOCK_TASK_LAUNCH_MODE_DEFAULT";
760             case LOCK_TASK_LAUNCH_MODE_NEVER:
761                 return "LOCK_TASK_LAUNCH_MODE_NEVER";
762             case LOCK_TASK_LAUNCH_MODE_ALWAYS:
763                 return "LOCK_TASK_LAUNCH_MODE_ALWAYS";
764             case LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED:
765                 return "LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED";
766             default:
767                 return "unknown=" + lockTaskLaunchMode;
768         }
769     }
770     /**
771      * Value indicating if the activity is to be locked at startup. Takes on the values from
772      * {@link android.R.attr#lockTaskMode}.
773      * @hide
774      */
775     public int lockTaskLaunchMode;
776 
777     /**
778      * Information about desired position and size of activity on the display when
779      * it is first started.
780      */
781     public WindowLayout windowLayout;
782 
ActivityInfo()783     public ActivityInfo() {
784     }
785 
ActivityInfo(ActivityInfo orig)786     public ActivityInfo(ActivityInfo orig) {
787         super(orig);
788         theme = orig.theme;
789         launchMode = orig.launchMode;
790         documentLaunchMode = orig.documentLaunchMode;
791         permission = orig.permission;
792         taskAffinity = orig.taskAffinity;
793         targetActivity = orig.targetActivity;
794         flags = orig.flags;
795         screenOrientation = orig.screenOrientation;
796         configChanges = orig.configChanges;
797         softInputMode = orig.softInputMode;
798         uiOptions = orig.uiOptions;
799         parentActivityName = orig.parentActivityName;
800         maxRecents = orig.maxRecents;
801         lockTaskLaunchMode = orig.lockTaskLaunchMode;
802         windowLayout = orig.windowLayout;
803         resizeMode = orig.resizeMode;
804         requestedVrComponent = orig.requestedVrComponent;
805     }
806 
807     /**
808      * Return the theme resource identifier to use for this activity.  If
809      * the activity defines a theme, that is used; else, the application
810      * theme is used.
811      *
812      * @return The theme associated with this activity.
813      */
getThemeResource()814     public final int getThemeResource() {
815         return theme != 0 ? theme : applicationInfo.theme;
816     }
817 
persistableModeToString()818     private String persistableModeToString() {
819         switch(persistableMode) {
820             case PERSIST_ROOT_ONLY: return "PERSIST_ROOT_ONLY";
821             case PERSIST_NEVER: return "PERSIST_NEVER";
822             case PERSIST_ACROSS_REBOOTS: return "PERSIST_ACROSS_REBOOTS";
823             default: return "UNKNOWN=" + persistableMode;
824         }
825     }
826 
827     /**
828      * Returns true if the activity's orientation is fixed.
829      * @hide
830      */
isFixedOrientation()831     boolean isFixedOrientation() {
832         return screenOrientation == SCREEN_ORIENTATION_LANDSCAPE
833                 || screenOrientation == SCREEN_ORIENTATION_PORTRAIT
834                 || screenOrientation == SCREEN_ORIENTATION_SENSOR_LANDSCAPE
835                 || screenOrientation == SCREEN_ORIENTATION_SENSOR_PORTRAIT
836                 || screenOrientation == SCREEN_ORIENTATION_REVERSE_LANDSCAPE
837                 || screenOrientation == SCREEN_ORIENTATION_REVERSE_PORTRAIT
838                 || screenOrientation == SCREEN_ORIENTATION_USER_LANDSCAPE
839                 || screenOrientation == SCREEN_ORIENTATION_USER_PORTRAIT
840                 || screenOrientation == SCREEN_ORIENTATION_LOCKED;
841     }
842 
843     /** @hide */
isResizeableMode(int mode)844     public static boolean isResizeableMode(int mode) {
845         return mode == RESIZE_MODE_RESIZEABLE
846                 || mode == RESIZE_MODE_RESIZEABLE_AND_PIPABLE
847                 || mode == RESIZE_MODE_FORCE_RESIZEABLE;
848     }
849 
850     /** @hide */
resizeModeToString(int mode)851     public static String resizeModeToString(int mode) {
852         switch (mode) {
853             case RESIZE_MODE_UNRESIZEABLE:
854                 return "RESIZE_MODE_UNRESIZEABLE";
855             case RESIZE_MODE_CROP_WINDOWS:
856                 return "RESIZE_MODE_CROP_WINDOWS";
857             case RESIZE_MODE_RESIZEABLE:
858                 return "RESIZE_MODE_RESIZEABLE";
859             case RESIZE_MODE_RESIZEABLE_AND_PIPABLE:
860                 return "RESIZE_MODE_RESIZEABLE_AND_PIPABLE";
861             case RESIZE_MODE_FORCE_RESIZEABLE:
862                 return "RESIZE_MODE_FORCE_RESIZEABLE";
863             default:
864                 return "unknown=" + mode;
865         }
866     }
867 
dump(Printer pw, String prefix)868     public void dump(Printer pw, String prefix) {
869         dump(pw, prefix, DUMP_FLAG_ALL);
870     }
871 
872     /** @hide */
dump(Printer pw, String prefix, int flags)873     public void dump(Printer pw, String prefix, int flags) {
874         super.dumpFront(pw, prefix);
875         if (permission != null) {
876             pw.println(prefix + "permission=" + permission);
877         }
878         if ((flags&DUMP_FLAG_DETAILS) != 0) {
879             pw.println(prefix + "taskAffinity=" + taskAffinity
880                     + " targetActivity=" + targetActivity
881                     + " persistableMode=" + persistableModeToString());
882         }
883         if (launchMode != 0 || flags != 0 || theme != 0) {
884             pw.println(prefix + "launchMode=" + launchMode
885                     + " flags=0x" + Integer.toHexString(flags)
886                     + " theme=0x" + Integer.toHexString(theme));
887         }
888         if (screenOrientation != SCREEN_ORIENTATION_UNSPECIFIED
889                 || configChanges != 0 || softInputMode != 0) {
890             pw.println(prefix + "screenOrientation=" + screenOrientation
891                     + " configChanges=0x" + Integer.toHexString(configChanges)
892                     + " softInputMode=0x" + Integer.toHexString(softInputMode));
893         }
894         if (uiOptions != 0) {
895             pw.println(prefix + " uiOptions=0x" + Integer.toHexString(uiOptions));
896         }
897         if ((flags&DUMP_FLAG_DETAILS) != 0) {
898             pw.println(prefix + "lockTaskLaunchMode="
899                     + lockTaskLaunchModeToString(lockTaskLaunchMode));
900         }
901         if (windowLayout != null) {
902             pw.println(prefix + "windowLayout=" + windowLayout.width + "|"
903                     + windowLayout.widthFraction + ", " + windowLayout.height + "|"
904                     + windowLayout.heightFraction + ", " + windowLayout.gravity);
905         }
906         pw.println(prefix + "resizeMode=" + resizeModeToString(resizeMode));
907         if (requestedVrComponent != null) {
908             pw.println(prefix + "requestedVrComponent=" + requestedVrComponent);
909         }
910         super.dumpBack(pw, prefix, flags);
911     }
912 
toString()913     public String toString() {
914         return "ActivityInfo{"
915             + Integer.toHexString(System.identityHashCode(this))
916             + " " + name + "}";
917     }
918 
describeContents()919     public int describeContents() {
920         return 0;
921     }
922 
writeToParcel(Parcel dest, int parcelableFlags)923     public void writeToParcel(Parcel dest, int parcelableFlags) {
924         super.writeToParcel(dest, parcelableFlags);
925         dest.writeInt(theme);
926         dest.writeInt(launchMode);
927         dest.writeInt(documentLaunchMode);
928         dest.writeString(permission);
929         dest.writeString(taskAffinity);
930         dest.writeString(targetActivity);
931         dest.writeInt(flags);
932         dest.writeInt(screenOrientation);
933         dest.writeInt(configChanges);
934         dest.writeInt(softInputMode);
935         dest.writeInt(uiOptions);
936         dest.writeString(parentActivityName);
937         dest.writeInt(persistableMode);
938         dest.writeInt(maxRecents);
939         dest.writeInt(lockTaskLaunchMode);
940         if (windowLayout != null) {
941             dest.writeInt(1);
942             dest.writeInt(windowLayout.width);
943             dest.writeFloat(windowLayout.widthFraction);
944             dest.writeInt(windowLayout.height);
945             dest.writeFloat(windowLayout.heightFraction);
946             dest.writeInt(windowLayout.gravity);
947             dest.writeInt(windowLayout.minWidth);
948             dest.writeInt(windowLayout.minHeight);
949         } else {
950             dest.writeInt(0);
951         }
952         dest.writeInt(resizeMode);
953         dest.writeString(requestedVrComponent);
954     }
955 
956     public static final Parcelable.Creator<ActivityInfo> CREATOR
957             = new Parcelable.Creator<ActivityInfo>() {
958         public ActivityInfo createFromParcel(Parcel source) {
959             return new ActivityInfo(source);
960         }
961         public ActivityInfo[] newArray(int size) {
962             return new ActivityInfo[size];
963         }
964     };
965 
ActivityInfo(Parcel source)966     private ActivityInfo(Parcel source) {
967         super(source);
968         theme = source.readInt();
969         launchMode = source.readInt();
970         documentLaunchMode = source.readInt();
971         permission = source.readString();
972         taskAffinity = source.readString();
973         targetActivity = source.readString();
974         flags = source.readInt();
975         screenOrientation = source.readInt();
976         configChanges = source.readInt();
977         softInputMode = source.readInt();
978         uiOptions = source.readInt();
979         parentActivityName = source.readString();
980         persistableMode = source.readInt();
981         maxRecents = source.readInt();
982         lockTaskLaunchMode = source.readInt();
983         if (source.readInt() == 1) {
984             windowLayout = new WindowLayout(source);
985         }
986         resizeMode = source.readInt();
987         requestedVrComponent = source.readString();
988     }
989 
990     /**
991      * Contains information about position and size of the activity on the display.
992      *
993      * Used in freeform mode to set desired position when activity is first launched.
994      * It describes how big the activity wants to be in both width and height,
995      * the minimal allowed size, and the gravity to be applied.
996      *
997      * @attr ref android.R.styleable#AndroidManifestLayout_defaultWidth
998      * @attr ref android.R.styleable#AndroidManifestLayout_defaultHeight
999      * @attr ref android.R.styleable#AndroidManifestLayout_gravity
1000      * @attr ref android.R.styleable#AndroidManifestLayout_minWidth
1001      * @attr ref android.R.styleable#AndroidManifestLayout_minHeight
1002      */
1003     public static final class WindowLayout {
WindowLayout(int width, float widthFraction, int height, float heightFraction, int gravity, int minWidth, int minHeight)1004         public WindowLayout(int width, float widthFraction, int height, float heightFraction, int gravity,
1005                 int minWidth, int minHeight) {
1006             this.width = width;
1007             this.widthFraction = widthFraction;
1008             this.height = height;
1009             this.heightFraction = heightFraction;
1010             this.gravity = gravity;
1011             this.minWidth = minWidth;
1012             this.minHeight = minHeight;
1013         }
1014 
WindowLayout(Parcel source)1015         WindowLayout(Parcel source) {
1016             width = source.readInt();
1017             widthFraction = source.readFloat();
1018             height = source.readInt();
1019             heightFraction = source.readFloat();
1020             gravity = source.readInt();
1021             minWidth = source.readInt();
1022             minHeight = source.readInt();
1023         }
1024 
1025         /**
1026          * Width of activity in pixels.
1027          *
1028          * @attr ref android.R.styleable#AndroidManifestLayout_defaultWidth
1029          */
1030         public final int width;
1031 
1032         /**
1033          * Width of activity as a fraction of available display width.
1034          * If both {@link #width} and this value are set this one will be preferred.
1035          *
1036          * @attr ref android.R.styleable#AndroidManifestLayout_defaultWidth
1037          */
1038         public final float widthFraction;
1039 
1040         /**
1041          * Height of activity in pixels.
1042          *
1043          * @attr ref android.R.styleable#AndroidManifestLayout_defaultHeight
1044          */
1045         public final int height;
1046 
1047         /**
1048          * Height of activity as a fraction of available display height.
1049          * If both {@link #height} and this value are set this one will be preferred.
1050          *
1051          * @attr ref android.R.styleable#AndroidManifestLayout_defaultHeight
1052          */
1053         public final float heightFraction;
1054 
1055         /**
1056          * Gravity of activity.
1057          * Currently {@link android.view.Gravity#TOP}, {@link android.view.Gravity#BOTTOM},
1058          * {@link android.view.Gravity#LEFT} and {@link android.view.Gravity#RIGHT} are supported.
1059          *
1060          * @attr ref android.R.styleable#AndroidManifestLayout_gravity
1061          */
1062         public final int gravity;
1063 
1064         /**
1065          * Minimal width of activity in pixels to be able to display its content.
1066          *
1067          * <p><strong>NOTE:</strong> A task's root activity value is applied to all additional
1068          * activities launched in the task. That is if the root activity of a task set minimal
1069          * width, then the system will set the same minimal width on all other activities in the
1070          * task. It will also ignore any other minimal width attributes of non-root activities.
1071          *
1072          * @attr ref android.R.styleable#AndroidManifestLayout_minWidth
1073          */
1074         public final int minWidth;
1075 
1076         /**
1077          * Minimal height of activity in pixels to be able to display its content.
1078          *
1079          * <p><strong>NOTE:</strong> A task's root activity value is applied to all additional
1080          * activities launched in the task. That is if the root activity of a task set minimal
1081          * height, then the system will set the same minimal height on all other activities in the
1082          * task. It will also ignore any other minimal height attributes of non-root activities.
1083          *
1084          * @attr ref android.R.styleable#AndroidManifestLayout_minHeight
1085          */
1086         public final int minHeight;
1087     }
1088 }
1089