Example usage for android.text ParcelableSpan writeToParcel

Introduction

In this page you can find the example usage for android.text ParcelableSpan writeToParcel.

Prototype

public void writeToParcel(Parcel dest, @WriteFlags int flags);

Source Link

Document

Flatten this object in to a Parcel.

Usage

From source file:com.jecelyin.editor.v2.core.text.TextUtils.java

/**
 * Flatten a CharSequence and whatever styles can be copied across processes
 * into the parcel.//w w  w. ja  v  a  2s  .c  o  m
 */
public static void writeToParcel(CharSequence cs, Parcel p, int parcelableFlags) {
    if (cs instanceof Spanned) {
        p.writeInt(0);
        p.writeString(cs.toString());

        Spanned sp = (Spanned) cs;
        Object[] os = sp.getSpans(0, cs.length(), Object.class);

        // note to people adding to this: check more specific types
        // before more generic types.  also notice that it uses
        // "if" instead of "else if" where there are interfaces
        // so one object can be several.

        for (int i = 0; i < os.length; i++) {
            Object o = os[i];
            Object prop = os[i];

            if (prop instanceof CharacterStyle) {
                prop = ((CharacterStyle) prop).getUnderlying();
            }

            if (prop instanceof ParcelableSpan) {
                ParcelableSpan ps = (ParcelableSpan) prop;
                int spanTypeId = ps.getSpanTypeId();
                if (spanTypeId < FIRST_SPAN || spanTypeId > LAST_SPAN) {
                    Log.e(TAG, "external class \"" + ps.getClass().getSimpleName()
                            + "\" is attempting to use the frameworks-only ParcelableSpan" + " interface");
                } else {
                    p.writeInt(spanTypeId);
                    ps.writeToParcel(p, parcelableFlags);
                    writeWhere(p, sp, o);
                }
            }
        }

        p.writeInt(0);
    } else {
        p.writeInt(1);
        if (cs != null) {
            p.writeString(cs.toString());
        } else {
            p.writeString(null);
        }
    }
}

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