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      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      */
    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      */
    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      */
    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 */
    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 
    783     public ActivityInfo() {
    784     }
    785 
    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      */
    814     public final int getThemeResource() {
    815         return theme != 0 ? theme : applicationInfo.theme;
    816     }
    817 
    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      */
    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 */
    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 */
    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 
    868     public void dump(Printer pw, String prefix) {
    869         dump(pw, prefix, DUMP_FLAG_ALL);
    870     }
    871 
    872     /** @hide */
    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 
    913     public String toString() {
    914         return "ActivityInfo{"
    915             + Integer.toHexString(System.identityHashCode(this))
    916             + " " + name + "}";
    917     }
    918 
    919     public int describeContents() {
    920         return 0;
    921     }
    922 
    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 
    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 {
   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 
   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