Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.text.Spannable;
import android.text.SpannableString;

import android.text.style.ImageSpan;

import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    public static List<String> emotionTexts;
    private static Pattern pattern;

    public static CharSequence replace(Context ctx, String text) {
        SpannableString spannableString = new SpannableString(text);
        Matcher matcher = pattern.matcher(text);
        while (matcher.find()) {
            String factText = matcher.group();
            String key = factText.substring(1);
            if (emotionTexts.contains(factText)) {
                Bitmap bitmap = getDrawableByName(ctx, key);
                ImageSpan image = new ImageSpan(ctx, bitmap);
                int start = matcher.start();
                int end = matcher.end();
                spannableString.setSpan(image, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            }
        }
        return spannableString;
    }

    public static Bitmap getDrawableByName(Context ctx, String name) {
        BitmapFactory.Options options = new BitmapFactory.Options();
        Bitmap bitmap = BitmapFactory.decodeResource(ctx.getResources(),
                ctx.getResources().getIdentifier(name, "drawable", ctx.getPackageName()), options);
        return bitmap;
    }
}