UrlTextViewUtils.java

package com.fanxin.huangfangyi.main.utils;

import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.TextPaint;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.view.View;
import android.widget.TextView;

import com.fanxin.huangfangyi.main.moments.MyWebViewActivity;

/**
 * Created by huangfangyi on 2016/7/10.\
 * QQ:84543217
 */
public class UrlTextViewUtils {
    private Context context;

    public UrlTextViewUtils(Context context) {
        this.context = context;

    }

    public void setUrlTextView(String test_temp, TextView tv_content) {

        String test = test_temp;

        if ((test_temp != null)
                && (test_temp.contains("http://")
                || test_temp.contains("https://") || test_temp
                .contains("www."))) {
            int start = 0;
            while (test != null
                    && !(test.startsWith("http://")
                    || test.startsWith("https://") || test
                    .startsWith("www."))) {

                test = test.substring(1);
                start++;

            }
            int end = 0;

            for (int i = 0; i < test.length(); i++) {
                char item = test.charAt(i);
                if (isChinese(item) || item == ' ') {

                    break;
                }
                end = i;

            }
            String result = (String) test_temp
                    .substring(start, start + end + 1);
            if (result != null) {

                SpannableStringBuilder ssb = new SpannableStringBuilder();
                ssb.append(test_temp);

                ssb.setSpan(new ContentURLSpan(result), start, start + end + 1,
                        Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

                tv_content.setText(ssb);
                tv_content.setMovementMethod(LinkMovementMethod.getInstance());
            }

        } else {
            tv_content.setText(test_temp);
        }

    }


    // 根据Unicode编码完美的判断中文汉字和符号
    private boolean isChinese(char c) {
        Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
        if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
                || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
                || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
                || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B
                || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
                || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS
                || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION) {
            return true;
        }
        return false;
    }

    private class ContentURLSpan extends ClickableSpan {
        private String url;

        public ContentURLSpan(String url) {
            this.url = url;

        }

        @Override
        public void updateDrawState(TextPaint ds) {

            ds.setUnderlineText(false); // 去掉下划线
        }

        @Override
        public void onClick(final View widget) {

            if (widget instanceof TextView) {
                ((TextView) widget).setHighlightColor(context.getResources()
                        .getColor(android.R.color.darker_gray));
                new Handler().postDelayed(new Runnable() {

                    public void run() {

                        ((TextView) widget).setHighlightColor(context
                                .getResources().getColor(
                                        android.R.color.transparent));

                    }
                }, 1000);
            }
            context.startActivity(new Intent(context, MyWebViewActivity.class)
                    .putExtra("url", url));

        }

    }


}