Android TextView 高亮字体并添加点击事件

时间：2022-10-27 15:32:47

运行效果

Android TextView 高亮字体并添加点击事件

package com.zutil.lib;

import android.graphics.Typeface;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.text.Spannable;

import android.text.SpannableStringBuilder;

import android.text.Spanned;

import android.text.TextPaint;

import android.text.method.LinkMovementMethod;

import android.text.style.ClickableSpan;

import android.text.style.ForegroundColorSpan;

import android.text.style.StyleSpan;

import android.text.style.UnderlineSpan;

import android.view.View;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private TextView tv1 ;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        tv1 = (TextView) findViewById( R.id.tv1 );

        String url1 =  "这是测试";

        String url2 = "点击一下试试看";

        String url = url1 + url2;

        SpannableStringBuilder style = new SpannableStringBuilder(url1 + url2);

        TextViewURLSpan myURLSpan = new TextViewURLSpan();

        style.setSpan(myURLSpan, url1.length(), url.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

        style.setSpan(new StyleSpan(Typeface.NORMAL ), url1.length(), url.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);

        style.setSpan(new UnderlineSpan(), url1.length(), url.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

        style.setSpan(new ForegroundColorSpan(getResources().getColor(R.color.colorPrimaryDark)), url1.length(), url.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

      //  style.setSpan(new BackgroundColorSpan(getResources().getColor(R.color.colorAccent)), url1.length(),url.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

        tv1.setText(style);

        //设置超链接为可点击状态

        tv1.setMovementMethod(LinkMovementMethod.getInstance());

    }

    class TextViewURLSpan extends ClickableSpan {

        @Override

        public void updateDrawState(TextPaint ds) {

            ds.setColor(getResources().getColor(R.color.colorAccent));

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

        }

        @Override

        public void onClick(View widget) {//点击事件

            Toast.makeText( MainActivity.this, "点击了", Toast.LENGTH_SHORT).show();

        }

    }

}

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