
public class SystemInformation

Fields
Modifier and Type	Field	Description
`private long`	`firstInstallTime`

Modifier and Type	Method	Description
`long`	`getFirstInstallTime()`
`static void`	`setLibraryInfo(String libName, String libVersion)`
`static SystemInformation`	`getInstance(Context context)`
`static SystemInformation`	`getInstance(Context context, TimeZone timeZone)`
`boolean`	`hasNotBeenUpdatedSinceInstall()`
`String`	`getAppVersionName()`
`Map<String, Object>`	`getDeviceInfo()`
`String`	`getDeviceId()`
`String`	`getCurrentNetworkType()`
`JSONObject`	`currentPresetProperties()`
`String`	`getRAM(Context context)`	Obtain the RAM information of the phone.
`String`	`getDisk(Context context, boolean isExternal)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 static void setLibraryInfo(String libName, String libVersion)

 static SystemInformation getInstance(Context context)

 static SystemInformation getInstance(Context context, TimeZone timeZone)

 boolean hasNotBeenUpdatedSinceInstall()

getRAM
```
 String getRAM(Context context)
```
Obtain the RAM information of the phone.

 String getDisk(Context context, boolean isExternal)

Class SystemInformation