Class EmojiCompat

app/src/main/java/androidx/emoji2/text/EmojiCompat.java:106–1729

Main class to keep Android devices up to date with the newest emojis by adding EmojiSpans to a given CharSequence. By default, EmojiCompat is initialized by EmojiCompatInitializer, which performs deferred font loading to avoid potential app startup delays. The default be

 */
@AnyThread
public class EmojiCompat {
    /**
     * Key in {@link EditorInfo#extras} that represents the emoji metadata version used by the
     * widget. The existence of the value means that the widget is using EmojiCompat.
     * <p/>
     * If exists, the value for the key is an {@code int} and can be used to query EmojiCompat to
     * see whether the widget has the ability to display a certain emoji using
     * {@link #hasEmojiGlyph(CharSequence, int)}.
     */
    public static final String EDITOR_INFO_METAVERSION_KEY =
            "android.support.text.emoji.emojiCompat_metadataVersion";

    /**
     * Key in {@link EditorInfo#extras} that represents {@link
     * EmojiCompat.Config#setReplaceAll(boolean)} configuration parameter. The key is added only if
     * EmojiCompat is used by the widget. If exists, the value is a boolean.
     */
    public static final String EDITOR_INFO_REPLACE_ALL_KEY =
            "android.support.text.emoji.emojiCompat_replaceAll";

    /**
     * EmojiCompat instance is constructed, however the initialization did not start yet.
     *
     * @see #getLoadState()
     */
    public static final int LOAD_STATE_DEFAULT = 3;

    /**
     * EmojiCompat is initializing.
     *
     * @see #getLoadState()
     */
    // note: this may be returned as the value of mLoadState before constructor finishes due to
    // double-check lock
    public static final int LOAD_STATE_LOADING = 0;

    /**
     * EmojiCompat successfully initialized.
     *
     * @see #getLoadState()
     */
    public static final int LOAD_STATE_SUCCEEDED = 1;

    /**
     * An unrecoverable error occurred during initialization of EmojiCompat. Calls to functions
     * such as {@link #process(CharSequence)} will fail.
     *
     * @see #getLoadState()
     */
    public static final int LOAD_STATE_FAILED = 2;

    /**
     */
    @RestrictTo(LIBRARY)
    @IntDef({LOAD_STATE_DEFAULT, LOAD_STATE_LOADING, LOAD_STATE_SUCCEEDED, LOAD_STATE_FAILED})
    @Retention(RetentionPolicy.SOURCE)
    private @interface LoadState {