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Added in API level 1

Debug.MemoryInfo

public static class Debug.MemoryInfo
extends Object implements Parcelable

java.lang.Object
↳	android.os.Debug.MemoryInfo

This class is used to retrieved various statistics about the memory mappings for this process. The returned info is broken down by dalvik, native, and other. All results are in kB.

Summary

Inherited constants

From interface android.os.Parcelable

Fields
`public static final Creator<Debug.MemoryInfo>`	`CREATOR`
`public int`	`dalvikPrivateDirty` The private dirty pages used by dalvik heap.
`public int`	`dalvikPss` The proportional set size for dalvik heap.
`public int`	`dalvikSharedDirty` The shared dirty pages used by dalvik heap.
`public int`	`nativePrivateDirty` The private dirty pages used by the native heap.
`public int`	`nativePss` The proportional set size for the native heap.
`public int`	`nativeSharedDirty` The shared dirty pages used by the native heap.
`public int`	`otherPrivateDirty` The private dirty pages used by everything else.
`public int`	`otherPss` The proportional set size for everything else.
`public int`	`otherSharedDirty` The shared dirty pages used by everything else.

Public constructors
`Debug.MemoryInfo()`

Public methods
`int`	`describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`String`	`getMemoryStat(String statName)` Returns the value of a particular memory statistic or `null` if no such memory statistic exists.
`Map<String, String>`	`getMemoryStats()` Returns a map of the names/values of the memory statistics that `getMemoryStat(String)` supports.
`int`	`getTotalPrivateClean()` Return total shared clean memory usage in kB.
`int`	`getTotalPrivateDirty()` Return total private dirty memory usage in kB.
`int`	`getTotalPss()` Return total PSS memory usage in kB.
`int`	`getTotalSharedClean()` Return total shared clean memory usage in kB.
`int`	`getTotalSharedDirty()` Return total shared dirty memory usage in kB.
`int`	`getTotalSwappablePss()` Return total PSS memory usage in kB mapping a file of one of the following extension: .so, .jar, .apk, .ttf, .dex, .odex, .oat, .art .
`void`	`readFromParcel(Parcel source)`
`void`	`writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

Inherited methods

From class java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface android.os.Parcelable

Fields

CREATOR

Added in API level 5

Creator<Debug.MemoryInfo> CREATOR

dalvikPrivateDirty

Added in API level 1

int dalvikPrivateDirty

The private dirty pages used by dalvik heap.

dalvikPss

Added in API level 1

int dalvikPss

The proportional set size for dalvik heap. (Doesn't include other Dalvik overhead.)

dalvikSharedDirty

Added in API level 1

int dalvikSharedDirty

The shared dirty pages used by dalvik heap.

nativePrivateDirty

Added in API level 1

int nativePrivateDirty

The private dirty pages used by the native heap.

nativePss

Added in API level 1

int nativePss

The proportional set size for the native heap.

nativeSharedDirty

Added in API level 1

int nativeSharedDirty

The shared dirty pages used by the native heap.

otherPrivateDirty

Added in API level 1

int otherPrivateDirty

The private dirty pages used by everything else.

otherPss

Added in API level 1

int otherPss

The proportional set size for everything else.

otherSharedDirty

Added in API level 1

int otherSharedDirty

The shared dirty pages used by everything else.

Public constructors

Debug.MemoryInfo

Added in API level 1

Debug.MemoryInfo ()

Public methods

describeContents

Added in API level 5

int describeContents ()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of writeToParcel(Parcel, int), the return value of this method must include the CONTENTS_FILE_DESCRIPTOR bit.

Returns
`int`	a bitmask indicating the set of special object types marshaled by this Parcelable object instance.

getMemoryStat

Added in API level 23

String getMemoryStat (String statName)

Returns the value of a particular memory statistic or null if no such memory statistic exists.

The following table lists the memory statistics that are supported. Note that memory statistics may be added or removed in a future API level.

Memory statistic name	Meaning	Example	Supported (API Levels)
summary.java-heap	The private Java Heap usage in kB. This corresponds to the Java Heap field in the App Summary section output by dumpsys meminfo.	`1442`	23
summary.native-heap	The private Native Heap usage in kB. This corresponds to the Native Heap field in the App Summary section output by dumpsys meminfo.	`1442`	23
summary.code	The memory usage for static code and resources in kB. This corresponds to the Code field in the App Summary section output by dumpsys meminfo.	`1442`	23
summary.stack	The stack usage in kB. This corresponds to the Stack field in the App Summary section output by dumpsys meminfo.	`1442`	23
summary.graphics	The graphics usage in kB. This corresponds to the Graphics field in the App Summary section output by dumpsys meminfo.	`1442`	23
summary.private-other	Other private memory usage in kB. This corresponds to the Private Other field output in the App Summary section by dumpsys meminfo.	`1442`	23
summary.system	Shared and system memory usage in kB. This corresponds to the System field output in the App Summary section by dumpsys meminfo.	`1442`	23
summary.total-pss	Total PPS memory usage in kB.	`1442`	23
summary.total-swap	Total swap usage in kB.	`1442`	23

Parameters
`statName`	`String`

Returns
`String`

getMemoryStats

Added in API level 23

Map<String, String> getMemoryStats ()

Returns a map of the names/values of the memory statistics that getMemoryStat(String) supports.

Returns
`Map<String, String>`	a map of the names/values of the supported memory statistics.

getTotalPrivateClean

Added in API level 19

int getTotalPrivateClean ()

Return total shared clean memory usage in kB.

Returns
`int`

getTotalPrivateDirty

Added in API level 5

int getTotalPrivateDirty ()

Return total private dirty memory usage in kB.

Returns
`int`

getTotalPss

Added in API level 5

int getTotalPss ()

Return total PSS memory usage in kB.

Returns
`int`

getTotalSharedClean

Added in API level 19

int getTotalSharedClean ()

Return total shared clean memory usage in kB.

Returns
`int`

getTotalSharedDirty

Added in API level 5

int getTotalSharedDirty ()

Return total shared dirty memory usage in kB.

Returns
`int`

getTotalSwappablePss

Added in API level 19

int getTotalSwappablePss ()

Return total PSS memory usage in kB mapping a file of one of the following extension: .so, .jar, .apk, .ttf, .dex, .odex, .oat, .art .

Returns
`int`

readFromParcel

Added in API level 5

void readFromParcel (Parcel source)

Parameters
`source`	`Parcel`

writeToParcel

Added in API level 5

void writeToParcel (Parcel dest, 
                int flags)

Flatten this object in to a Parcel.

Parameters
`dest`	`Parcel`: The Parcel in which the object should be written.
`flags`	`int`: Additional flags about how the object should be written. May be 0 or `PARCELABLE_WRITE_RETURN_VALUE`.