androidx.core.os

Kotlin |Java

Interfaces

OnCancelListener	Listens for cancellation.
ParcelableCompatCreatorCallbacks	Callbacks a `Parcelable` creator should implement.

BuildCompat	This class contains additional platform version checking methods for targeting pre-release versions of Android.
CancellationSignal	Static library support version of the framework's `android.os.CancellationSignal`.
ConfigurationCompat	Helper class which allows access to properties of `Configuration` in a backward compatible fashion.
EnvironmentCompat	Helper for accessing features in `Environment`.
HandlerCompat	Helper for accessing features in `Handler`.
HandlerExecutor	An adapter `Executor` that posts all executed tasks onto the given `Handler`.
LocaleListCompat	Helper for accessing features in `LocaleList`.
MessageCompat	Helper for accessing features in `Message`.
ParcelableCompat	Helper for accessing features in `android.os.Parcelable`.
ParcelCompat	Helper for accessing features in `Parcel`.
ProcessCompat	Helper for accessing features in `Process`.
TraceCompat	Writes trace events to the system trace buffer.
UserManagerCompat	Helper for accessing features in `android.os.UserManager` in a backwards compatible fashion.

An exception type that is thrown when an operation in progress is canceled.

Bundle	`bundleOf(vararg pairs: Pair<String, Any?>)` Returns a new Bundle with the given key/value pairs as elements.
PersistableBundle	`persistableBundleOf(vararg pairs: Pair<String, Any?>)` Returns a new PersistableBundle with the given key/value pairs as elements.
T	`trace(sectionName: String, block: () -> T)` Wrap the specified block in calls to Trace.beginSection (with the supplied sectionName) and Trace.endSection.

For android.os.Handler
Runnable	`Handler.postAtTime(uptimeMillis: Long, token: Any? = null, crossinline action: () -> Unit)` Version of Handler.postAtTime which re-orders the parameters, allowing the action to be placed outside of parentheses.
Runnable	`Handler.postDelayed(delayInMillis: Long, token: Any? = null, crossinline action: () -> Unit)` Version of Handler.postDelayed which re-orders the parameters, allowing the action to be placed outside of parentheses.

fun bundleOf(vararg pairs: Pair<String, Any?>): Bundle

Returns a new Bundle with the given key/value pairs as elements.

Exceptions
`IllegalArgumentException`	When a value is not a supported type of Bundle.

@RequiresApi(21) fun persistableBundleOf(vararg pairs: Pair<String, Any?>): PersistableBundle

Returns a new PersistableBundle with the given key/value pairs as elements.

Exceptions
`IllegalArgumentException`	When a value is not a supported type of PersistableBundle.

inline fun <T> trace(
    sectionName: String, 
    block: () -> T
): T

Deprecated.

Wrap the specified block in calls to Trace.beginSection (with the supplied sectionName) and Trace.endSection.

inline fun Handler.postAtTime(
    uptimeMillis: Long, 
    token: Any? = null, 
    crossinline action: () -> Unit
): Runnable

Version of Handler.postAtTime which re-orders the parameters, allowing the action to be placed outside of parentheses.

handler.postAtTime(200) {
    doSomething()
}