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added in version 1.0.0
belongs to Maven artifact androidx.annotation:annotation:1.0.0-rc01

UiThread

public abstract @interface UiThread
implements Annotation

androidx.annotation.UiThread


Denotes that the annotated method or constructor should only be called on the UI thread. If the annotated element is a class, then all methods in the class should be called on the UI thread.

Example:


  @UiThread

  public abstract void setText(@NonNull String text) { ... }
 

Note: Ordinarily, an app's UI thread is also the main thread. However, However, under special circumstances, an app's UI thread might not be its main thread; for more information, see Thread annotations.

See also:

Summary

Inherited methods