Class ViewCompat

core/src/main/java/androidx/core/view/ViewCompat.java:96–4876

Helper for accessing features in View.

 * Helper for accessing features in {@link View}.
 */
@SuppressLint("PrivateConstructorForUtilityClass") // deprecated non-private constructor
public class ViewCompat {
    private static final String TAG = "ViewCompat";

    /** @hide */
    @RestrictTo(LIBRARY_GROUP_PREFIX)
    @IntDef({View.FOCUS_LEFT, View.FOCUS_UP, View.FOCUS_RIGHT, View.FOCUS_DOWN,
            View.FOCUS_FORWARD, View.FOCUS_BACKWARD})
    @Retention(RetentionPolicy.SOURCE)
    public @interface FocusDirection {}

    /** @hide */
    @RestrictTo(LIBRARY_GROUP_PREFIX)
    @IntDef({View.FOCUS_LEFT, View.FOCUS_UP, View.FOCUS_RIGHT, View.FOCUS_DOWN})
    @Retention(RetentionPolicy.SOURCE)
    public @interface FocusRealDirection {}

    /** @hide */
    @RestrictTo(LIBRARY_GROUP_PREFIX)
    @IntDef({View.FOCUS_FORWARD, View.FOCUS_BACKWARD})
    @Retention(RetentionPolicy.SOURCE)
    public @interface FocusRelativeDirection {}

    @IntDef({OVER_SCROLL_ALWAYS, OVER_SCROLL_IF_CONTENT_SCROLLS, OVER_SCROLL_NEVER})
    @Retention(RetentionPolicy.SOURCE)
    private @interface OverScroll {}

    /**
     * Always allow a user to over-scroll this view, provided it is a
     * view that can scroll.
     * @deprecated Use {@link View#OVER_SCROLL_ALWAYS} directly. This constant will be removed in
     * a future release.
     */
    @Deprecated
    public static final int OVER_SCROLL_ALWAYS = 0;

    /**
     * Allow a user to over-scroll this view only if the content is large
     * enough to meaningfully scroll, provided it is a view that can scroll.
     * @deprecated Use {@link View#OVER_SCROLL_IF_CONTENT_SCROLLS} directly. This constant will be
     * removed in a future release.
     */
    @Deprecated
    public static final int OVER_SCROLL_IF_CONTENT_SCROLLS = 1;

    /**
     * Never allow a user to over-scroll this view.
     * @deprecated Use {@link View#OVER_SCROLL_NEVER} directly. This constant will be removed in
     * a future release.
     */
    @Deprecated
    public static final int OVER_SCROLL_NEVER = 2;

    @RequiresApi(Build.VERSION_CODES.O)
    @IntDef({
            View.IMPORTANT_FOR_AUTOFILL_AUTO,
            View.IMPORTANT_FOR_AUTOFILL_YES,
            View.IMPORTANT_FOR_AUTOFILL_NO,