android.content.pm
public class
public class
android.content.pm.ActivityInfo
| java.lang.Object | ||||
| android.content.pm.PackageItemInfo | ||||
| android.content.pm.ComponentInfo | ||||
| android.content.pm.ActivityInfo | Parcelable | |||
Information you can retrieve about a particular application activity or receiver. This corresponds to information collected from the AndroidManifest.xml's <activity> and <receiver> tags.
Summary
Constants
| Value | ||||
|---|---|---|---|---|
| int | CLEAR_ON_BACKGROUND_FLAG | Bit in flags that indicates that the activity's stack should be cleared when it moves to the background. | 2 | 0x00000002 |
| int | CONFIG_FONT_SCALE | Bit in configChanges that indicates that the activity can itself handle changes to the font scaling factor. | 1 | 0x00000001 |
| int | CONFIG_KEYBOARD | Bit in configChanges that indicates that the activity can itself handle changes to the keyboard type. | 8 | 0x00000008 |
| int | CONFIG_KEYBOARD_HIDDEN | Bit in configChanges that indicates that the activity can itself handle changes to the keyboard being hidden/exposed. | 16 | 0x00000010 |
| int | CONFIG_LOCALE | Bit in configChanges that indicates that the activity can itself handle changes to the locale. | 2 | 0x00000002 |
| int | CONFIG_NAVIGATION | Bit in configChanges that indicates that the activity can itself handle changes to the navigation type. | 32 | 0x00000020 |
| int | CONFIG_ORIENTATION | Bit in configChanges that indicates that the activity can itself handle changes to the screen orientation. | 64 | 0x00000040 |
| int | CONFIG_TOUCHSCREEN | Bit in configChanges that indicates that the activity can itself handle changes to the touchscreen type. | 4 | 0x00000004 |
| Creator | CREATOR | |||
| int | EXCLUDE_FROM_RECENTS_FLAG | Bit in flags that indicates that the activity should not appear in the list of recently launched activities. | 8 | 0x00000008 |
| int | MULTIPLE_LAUNCH | Constant corresponding to multiple in
the launchMode attribute. |
0 | 0x00000000 |
| int | MULTIPROCESS_FLAG | Bit in flags indicating whether this activity is able to run in multiple processes. | 1 | 0x00000001 |
| int | SINGLE_INSTANCE_LAUNCH | Constant corresponding to singleInstance in
the launchMode attribute. |
3 | 0x00000003 |
| int | SINGLE_TASK_LAUNCH | Constant corresponding to singleTask in
the launchMode attribute. |
2 | 0x00000002 |
| int | SINGLE_TOP_LAUNCH | Constant corresponding to singleTop in
the launchMode attribute. |
1 | 0x00000001 |
| int | STATE_NOT_NEEDED_FLAG | Bit in flags that indicates that the activity's state is not required to be saved, so that if there is a failure the activity will not be removed from the activity stack. | 4 | 0x00000004 |
Fields
| public | int | configChanges | Bit mask of kinds of configuration changes that this activity can handle itself (without being restarted by the system). | ||
| public | int | flags | Options that have been set in the activity declaration in the manifest: MULTIPROCESS_FLAG, CLEAR_ON_BACKGROUND_FLAG, STATE_NOT_NEEDED_FLAG. | ||
| public | int | launchMode | The launch mode style requested by the activity. | ||
| public | String | permission | Optional name of a permission required to be able to access this Activity. | ||
| public | String | taskAffinity | The affinity this activity has for another task in the system. | ||
| public | int | theme | A style resource identifier (in the package's resources) of this activity's theme. |
Fields inherited
from class
android.content.pm.ComponentInfo
Fields inherited
from class
android.content.pm.PackageItemInfo
Public Constructors
| ActivityInfo() | |||||
| ActivityInfo(ActivityInfo orig) |
Public Methods
| void | dump(Printer pw, String prefix) | ||||
| final | int | getThemeResource() | |||
| Return the theme resource identifier to use for this activity. | |||||
| String | toString() | ||||
| Answers a string containing a concise, human-readable description of the receiver. | |||||
| void | writeToParcel(Parcel dest) | ||||
Methods inherited
from class
android.content.pm.ComponentInfo
Methods inherited
from class
android.content.pm.PackageItemInfo
Methods inherited
from class
java.lang.Object
Methods inherited
from interface
android.os.Parcelable
Details
Constants
public static final int CLEAR_ON_BACKGROUND_FLAG
Bit in flags that indicates that the activity's stack should
be cleared
when it moves to the background. When the user next brings the
task to the front, they will return to the original activity at
the top of the tasks. This flag only applies to activities that
are used to start the root of a new task. Set from the
clearOnBackground attribute.
Constant Value:
2
(0x00000002)
public static final int CONFIG_FONT_SCALE
Bit in configChanges that indicates that the activity
can itself handle changes to the font scaling factor. Set from the
configChanges attribute.
Constant Value:
1
(0x00000001)
public static final int CONFIG_KEYBOARD
Bit in configChanges that indicates that the activity
can itself handle changes to the keyboard type. Set from the
configChanges attribute.
Constant Value:
8
(0x00000008)
public static final int CONFIG_KEYBOARD_HIDDEN
Bit in configChanges that indicates that the activity
can itself handle changes to the keyboard being hidden/exposed.
Set from the configChanges attribute.
Constant Value:
16
(0x00000010)
public static final int CONFIG_LOCALE
Bit in configChanges that indicates that the activity
can itself handle changes to the locale. Set from the
configChanges attribute.
Constant Value:
2
(0x00000002)
public static final int CONFIG_NAVIGATION
Bit in configChanges that indicates that the activity
can itself handle changes to the navigation type. Set from the
configChanges attribute.
Constant Value:
32
(0x00000020)
public static final int CONFIG_ORIENTATION
Bit in configChanges that indicates that the activity
can itself handle changes to the screen orientation. Set from the
configChanges attribute.
Constant Value:
64
(0x00000040)
public static final int CONFIG_TOUCHSCREEN
Bit in configChanges that indicates that the activity
can itself handle changes to the touchscreen type. Set from the
configChanges attribute.
Constant Value:
4
(0x00000004)
public static final Creator CREATOR
public static final int EXCLUDE_FROM_RECENTS_FLAG
Bit in flags that indicates that the activity should not
appear in the list of recently launched activities. Set from the
excludeFromRecents attribute.
Constant Value:
8
(0x00000008)
public static final int MULTIPLE_LAUNCH
public static final int MULTIPROCESS_FLAG
Bit in flags indicating whether this activity is able to
run in multiple processes. If
true, the system may instantiate it in the some process as the
process starting it in order to conserve resources. If false, the
default, it always runs in processName. Set from the
multiprocess attribute.
Constant Value:
1
(0x00000001)
public static final int SINGLE_INSTANCE_LAUNCH
Constant corresponding to
singleInstance in
the launchMode attribute.
Constant Value:
3
(0x00000003)
public static final int SINGLE_TASK_LAUNCH
public static final int SINGLE_TOP_LAUNCH
public static final int STATE_NOT_NEEDED_FLAG
Bit in flags that indicates that the activity's state
is not required to be saved, so that if there is a failure the
activity will not be removed from the activity stack. Set from the
stateNotNeeded attribute.
Constant Value:
4
(0x00000004)
Fields
public int configChanges
Bit mask of kinds of configuration changes that this activity
can handle itself (without being restarted by the system).
Contains any combination of CONFIG_FONT_SCALE,
CONFIG_LOCALE, CONFIG_TOUCHSCREEN,
CONFIG_KEYBOARD, CONFIG_NAVIGATION, and
CONFIG_ORIENTATION. Set from the
configChanges attribute.
public int flags
Options that have been set in the activity declaration in the
manifest: MULTIPROCESS_FLAG,
CLEAR_ON_BACKGROUND_FLAG, STATE_NOT_NEEDED_FLAG.
public int launchMode
The launch mode style requested by the activity. From the
launchMode attribute, one of
MULTIPLE_LAUNCH,
SINGLE_TOP_LAUNCH, SINGLE_TASK_LAUNCH, or
SINGLE_INSTANCE_LAUNCH.
public String permission
Optional name of a permission required to be able to access this
Activity. From the "permission" attribute.
public String taskAffinity
The affinity this activity has for another task in the system. The
string here is the name of the task, often the package name of the
overall package. If null, the activity has no affinity. Specifying
an affinity allows an activity to be migrated over to another task
once the user has moved away from its current task. This comes from
the "taskAffinity" attribute.
public int theme
A style resource identifier (in the package's resources) of this
activity's theme. From the "theme" attribute or, if not set, 0.
Public Constructors
public ActivityInfo()
public ActivityInfo(ActivityInfo orig)
Public Methods
public final int getThemeResource()
Return the theme resource identifier to use for this activity. If
the activity defines a theme, that is used; else, the application
theme is used.
Returns
- The theme associated with this activity.
public String toString()
Answers a string containing a concise, human-readable description of the
receiver.