超链接：网页间的桥梁与信息流动的关键通道

         text += "百度超链接";
        CharSequence charSequence = Html.fromHtml(text);
        textview.setText(charSequence);
        textview.setMovementMethod(LinkMovementMethod.getInstance());

        <TextView
        android:id="@+id/textview"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:autoLink="all" />

        textview = (TextView) findViewById(R.id.textview);
        String str = "我的号码：13926190296\n";
        str += "百度的网址：http://www.baidu.com";
        textview.setText(str);
        textview.setMovementMethod(LinkMovementMethod.getInstance());

        textview = (TextView) findViewById(R.id.textview);
        String text = "百度连接\n";
        SpannableString str = new SpannableString(text);
        Object obj = new URLSpan("http://www.baidu.com");
        str.setSpan(obj, 0, 4, SpannableString.SPAN_EXCLUSIVE_EXCLUSIVE);
        textview.setText(str);
        textview.setMovementMethod(LinkMovementMethod.getInstance());

        String text = "百度链接";
        SpannableString str = new SpannableString(text);
        Resources resources = getResources();
        Bitmap bitmap = BitmapFactory.decodeResource(resources, R.drawable.ic_launcher);
        Object obj0 = new ImageSpan(MainActivity.this,bitmap);
        Object obj1 = new URLSpan("http://www.baidu.com");
        str.setSpan(obj0, 0, 4, SpannableString.SPAN_EXCLUSIVE_EXCLUSIVE);
        str.setSpan(obj1, 0, 4, SpannableString.SPAN_EXCLUSIVE_EXCLUSIVE);
        textview.setText(str);
        textview.setMovementMethod(LinkMovementMethod.getInstance());

textview.setMovementMethod(LinkMovementMethod.getInstance());