androidx.annotation

Denotes that an integer parameter, field or method return value is expected to be an anim resource reference (e.g. android.R.anim.fade_in).

Denotes that an integer parameter, field or method return value is expected to be an animator resource reference (e.g. android.R.animator.fade_in).

Denotes that an integer parameter, field or method return value is expected to be a resource reference of any type.

Denotes that the annotated method can be called from any thread (e.g. it is "thread safe".) If the annotated element is a class, then all methods in the class can be called from any thread.

Denotes that an integer parameter, field or method return value is expected to be an array resource reference (e.g. android.R.array.phoneTypes).

Denotes that an integer parameter, field or method return value is expected to be an attribute reference (e.g. android.R.attr.action).

Denotes that the annotated method should only be called on the binder thread.

Denotes that an integer parameter, field or method return value is expected to be a boolean resource reference.

Denotes that any overriding methods should invoke this method as well.

Denotes that the annotated method returns a result that it typically is an error to ignore.

Denotes that the annotated method checks if the SDK_INT API level is at least the given value, and either returns it or executes the given lambda in that case (or if it's a field, has the value true).

Denotes that the annotated element represents a packed color int, AARRGGBB.

Denotes that the annotated element represents a packed color long.

Denotes that an integer parameter, field or method return value is expected to be a color resource reference (e.g. android.R.color.black).

Annotation that can be attached to a constructor with a single LayoutRes parameter to denote what layout the component intends to inflate and set as its content.

Denotes that this API is only useful until the given API level; after that, a more suitable platform API is available.

Denotes that an integer parameter, field or method return value is expected to be a dimension resource reference (e.g. android.R.dimen.app_icon_size).

Denotes that an integer parameter, field or method return value is expected to represent a dimension.

Denotes that the annotated element, while not disallowed or deprecated, is one that programmers are generally discouraged from using.

Denotes a android.content.Context that is tied to a android.view.Display and can be used to obtain one via android.content.Context.getDisplay.

Denotes that the annotated method should not be inlined when the code is optimized at build time.

Denotes that an integer parameter, field or method return value is expected to be a drawable resource reference (e.g. android.R.attr.alertDialogIcon).

Denotes that any overriding methods should not invoke this method, since it is defined to be empty (or perhaps contain other code not intended to be run when overridden).

Denotes that the annotated element should be a float or double in the given range

Denotes that an integer parameter, field or method return value is expected to be a font resource reference (e.g.

Denotes that an integer parameter, field or method return value is expected to be a fraction resource reference.

Denotes that the annotated element represents a packed gravity int.

Denotes that the annotated method or field can only be accessed when holding the referenced lock.

Denotes that the annotated element represents a half-precision floating point value.

Denotes that an integer parameter, field or method return value is expected to be an id resource reference (e.g. android.R.id.copy).

This annotation is deprecated. Replaced by the androidx.resourceinpsection package.

One entry in an enumeration packed into a primitive {int}.

One flag value of many that may be packed into a primitive {int}.

Denotes that the annotated element of integer type, represents a logical type and that its value should be one of the explicitly named constants.

Denotes that the annotated element should be an int or long in the given range.

Denotes that an integer parameter, field or method return value is expected to be an integer resource reference (e.g. android.R.integer.config_shortAnimTime).

Denotes that an integer parameter, field or method return value is expected to be an interpolator resource reference (e.g. android.R.interpolator.cycle).

Denotes that the annotated element should not be removed when the code is minified at build time.

Denotes that an integer parameter, field or method return value is expected to be a layout resource reference (e.g. android.R.layout.list_content).

Denotes that the annotated long element represents a logical type and that its value should be one of the explicitly named constants.

Denotes that the annotated method should only be called on the main thread.

Denotes that an integer parameter, field or method return value is expected to be a menu resource reference.

Denotes that an integer parameter, field or method return value is expected to be a navigation resource reference (e.g.

Denotes that a parameter, field or method return value can never be null.

Denotes a android.content.Context that can not be used to obtain a android.view.Display via android.content.Context.getDisplay nor to obtain an instance of a visual service, such a android.view.WindowManager, android.view.LayoutInflater or android.app.WallpaperManager via android.content.Context.getSystemService.

Denotes that a parameter, field or method return value can be null.

Denotes that this class or method is only open to allow unit testing.

Allows use of an opt-in API denoted by the given markers in the annotated file, declaration, or expression.

Denotes that an integer parameter, field or method return value is expected to be a plurals resource reference.

Denotes that an integer parameter, field or method return value is expected to represent a pixel dimension.

Denotes that an integer parameter, field or method return value is expected to be a raw resource reference.

Specifies a code fragment that can be used to suggest a replacement for a method in conjunction with the ReplaceWith lint check.

Denotes that the annotated element should only be called on the given Android API level or higher.

Denotes that the annotated element should only be called if the given extension is at least the given version.

Denotes that the annotated element requires one or more features.

Denotes that the annotated element is a marker of an opt-in API.

Denotes that the annotated element requires (or may require) one or more permissions.

Specifies that the given permission is required for read operations.

Specifies that the given permission is required for write operations.

Denotes that the annotated element should only be accessed from within a specific scope (as defined by Scope).

Denotes that any overriding methods should return this.

Denotes that the annotated element should have a given size or length.

Denotes that the annotated String element, represents a logical type and that its value should be one of the explicitly named constants.

Denotes that an integer parameter, field or method return value is expected to be a String resource reference (e.g. android.R.string.ok).

Denotes that an integer parameter, field or method return value is expected to be a style resource reference (e.g. android.R.style.TextAppearance).

Denotes that an integer parameter, field or method return value is expected to be a styleable resource reference (e.g. android.R.styleable.TextView_text).

Denotes that an integer parameter, field or method return value is expected to be a transition resource reference.

Denotes a android.content.Context that can be used to create UI, meaning that it can provide a android.view.Display via android.content.Context.getDisplay and can be used to obtain an instance of a UI-related service, such as android.view.WindowManager, android.view.LayoutInflater or android.app.WallpaperManager via android.content.Context.getSystemService.

Denotes that the annotated method or constructor should only be called on the UI thread.

Denotes that the class, method, or field has its visibility relaxed so that it is more widely visible than otherwise necessary to make code testable.

Denotes that the annotated method should only be called on a worker thread.

Denotes that an integer parameter, field or method return value is expected to be an XML resource reference.

The type of value packed into a primitive {int}.

Severity of the diagnostic that should be reported on usages of opt-in API which did not explicitly accept the opt-in aspect of that API either by: