Example usage for android.text.style ReplacementSpan ReplacementSpan

Introduction

In this page you can find the example usage for android.text.style ReplacementSpan ReplacementSpan.

Prototype

ReplacementSpan

Source Link

Usage

From source file:com.android.mail.browse.SubjectAndFolderView.java

public void setFolders(ConversationViewHeaderCallbacks callbacks, Account account, Conversation conv) {
    mVisibleFolders = true;/*  ww w  . j a v  a  2 s.c  o  m*/
    final BidiFormatter bidiFormatter = getBidiFormatter();
    final String wrappedSubject = mSubject == null ? "" : bidiFormatter.unicodeWrap(mSubject);
    final SpannableStringBuilder sb = new SpannableStringBuilder(wrappedSubject);
    sb.append('\u0020');
    final Settings settings = account.settings;
    final int start = sb.length();
    if (settings.importanceMarkersEnabled && conv.isImportant()) {
        sb.append(".\u0020");
        sb.setSpan(new ReplacementSpan() {
            @Override
            public int getSize(Paint paint, CharSequence text, int start, int end, Paint.FontMetricsInt fm) {
                return mImportanceMarkerDrawable.getIntrinsicWidth();
            }

            @Override
            public void draw(Canvas canvas, CharSequence text, int start, int end, float x, int top,
                    int baseline, int bottom, Paint paint) {
                canvas.save();
                final int transY = baseline + mChipVerticalOffset
                        - mImportanceMarkerDrawable.getIntrinsicHeight();
                canvas.translate(x, transY);
                mImportanceMarkerDrawable.draw(canvas);
                canvas.restore();
            }
        }, start, start + 1, Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
    }

    mFolderDisplayer.loadConversationFolders(conv, null /* ignoreFolder */, -1 /* ignoreFolderType */);
    mFolderDisplayer.constructFolderChips(sb);

    final int end = sb.length();
    sb.setSpan(new ChangeLabelsSpan(callbacks), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

    setText(sb);
    setMovementMethod(LinkMovementMethod.getInstance());
}

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