Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.text.SpannableString;
import android.text.Spanned;
import android.text.SpannedString;
import android.text.TextUtils;

public class Main {
    /**
     * Returns a CharSequence concatenating the specified CharSequences using the specified delimiter,
     * retaining their spans if any.
     * 
     * This is mostly borrowed from TextUtils.concat();
     */
    public static CharSequence joinSpannables(String delimiter, CharSequence... text) {
        if (text.length == 0) {
            return "";
        }

        if (text.length == 1) {
            return text[0];
        }

        boolean spanned = false;
        for (int i = 0; i < text.length; i++) {
            if (text[i] instanceof Spanned) {
                spanned = true;
                break;
            }
        }

        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < text.length; i++) {
            if (i > 0) {
                sb.append(delimiter);
            }
            sb.append(text[i]);
        }

        if (!spanned) {
            return sb.toString();
        }

        SpannableString ss = new SpannableString(sb);
        int off = 0;
        for (int i = 0; i < text.length; i++) {
            int len = text[i].length();

            if (text[i] instanceof Spanned) {
                TextUtils.copySpansFrom((Spanned) text[i], 0, len, Object.class, ss, off);
            }

            off += len + delimiter.length();
        }

        return new SpannedString(ss);
    }
}