ly.count.sdk.java.internal

Class DeviceCore

java.lang.Object

ly.count.sdk.java.internal.DeviceCore

Direct Known Subclasses:

Device

public class DeviceCore
extends java.lang.Object

Class encapsulating most of device-specific logic: metrics, info, etc.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	DeviceCore.TimeGenerator General interface for time generators.

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.lang.Long	BYTES_IN_MB
static DeviceCore	dev
protected static Log.Module	L
protected static java.lang.Double	MS_IN_SECOND
protected static java.lang.Double	NS_IN_MS
protected static java.lang.Double	NS_IN_SECOND One second in nanoseconds
protected DeviceCore.TimeGenerator	uniformTimer
protected DeviceCore.TimeGenerator	uniqueTimer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DeviceCore()

Method Summary

Modifier and Type	Method and Description
Params	buildMetrics(CtxCore ctx) Build metrics Params object as required by Countly server
int	currentDayOfWeek() Get current day of week
int	currentHour() Get current hour of day
java.lang.Long	getDiskAvailable() Get current device disk space.
java.lang.Long	getDiskTotal() Get total device disk space.
java.lang.String	getLocale() Get current locale
java.lang.String	getOS() Get operation system name
java.lang.String	getOSVersion() Get Android version
java.lang.Long	getRAMAvailable() Get current device RAM amount.
java.lang.Long	getRAMTotal() Get total RAM in Mb
int	getTimezoneOffset() Get device timezone offset in seconds
boolean	isDebuggerConnected()
long	nsToMs(long ns) Convert time in nanoseconds to milliseconds
long	nsToSec(long ns) Convert time in nanoseconds to seconds
long	secToMs(long sec) Convert time in seconds to milliseconds
long	secToNs(long sec) Convert time in seconds to nanoseconds
long	uniformTimestamp() Wraps System.currentTimeMillis() to return always rising values.
long	uniqueTimestamp() Wraps System.currentTimeMillis() to always return different value, even within same millisecond and even when time changes.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

dev

public static DeviceCore dev

L

protected static final Log.Module L

NS_IN_SECOND

protected static final java.lang.Double NS_IN_SECOND

One second in nanoseconds

NS_IN_MS

protected static final java.lang.Double NS_IN_MS

MS_IN_SECOND

protected static final java.lang.Double MS_IN_SECOND

BYTES_IN_MB

protected static final java.lang.Long BYTES_IN_MB

uniqueTimer

protected DeviceCore.TimeGenerator uniqueTimer

uniformTimer

protected DeviceCore.TimeGenerator uniformTimer

Constructor Detail

DeviceCore

protected DeviceCore()

Method Detail

getOS

public java.lang.String getOS()

Get operation system name

Returns:

the display name of the current operating system.

getOSVersion

public java.lang.String getOSVersion()

Get Android version

Returns:

current operating system version as a displayable string.

getTimezoneOffset

public int getTimezoneOffset()

Get device timezone offset in seconds

Returns:

timezone offset in seconds

getLocale

public java.lang.String getLocale()

Get current locale

Returns:

current locale (ex. "en_US").

buildMetrics

public Params buildMetrics(CtxCore ctx)

Build metrics Params object as required by Countly server

Parameters:

ctx - Ctx in which to request metrics

uniqueTimestamp

public long uniqueTimestamp()

Wraps System.currentTimeMillis() to always return different value, even within same millisecond and even when time changes. Works in a limited window of 10 timestamps for now.

Returns:

unique time in ms

uniformTimestamp

public long uniformTimestamp()

Wraps System.currentTimeMillis() to return always rising values. Resolves issue with device time updates via NTP or manually where time must go up.

Returns:

uniform time in ms

currentDayOfWeek

public int currentDayOfWeek()

Get current day of week

Returns:

day of week value, Sunday = 0, Saturday = 6

currentHour

public int currentHour()

Get current hour of day

Returns:

current hour of day

nsToMs

public long nsToMs(long ns)

Convert time in nanoseconds to milliseconds

Parameters:

ns - time in nanoseconds

Returns:

ns in milliseconds

nsToSec

public long nsToSec(long ns)

Convert time in nanoseconds to seconds

Parameters:

ns - time in nanoseconds

Returns:

ns in seconds

secToNs

public long secToNs(long sec)

Convert time in seconds to nanoseconds

Parameters:

sec - time in seconds

Returns:

sec in nanoseconds

secToMs

public long secToMs(long sec)

Convert time in seconds to milliseconds

Parameters:

sec - time in seconds

Returns:

sec in nanoseconds

getRAMTotal

public java.lang.Long getRAMTotal()

Get total RAM in Mb

Returns:

total RAM in Mb or null if cannot determine

getRAMAvailable

public java.lang.Long getRAMAvailable()

Get current device RAM amount.

Returns:

currently available RAM in Mb or null if couldn't determine

getDiskAvailable

public java.lang.Long getDiskAvailable()

Get current device disk space.

Returns:

currently available disk space in Mb

getDiskTotal

public java.lang.Long getDiskTotal()

Get total device disk space.

Returns:

total device disk space in Mb

isDebuggerConnected

public boolean isDebuggerConnected()