如何更改android中textview内的文本大小？

Question

我在内部有textview，我想在文本中间更改文本的文本大小，如下所示

Answer 1

String text1 = "Hi";
String text2 = "there";

SpannableString span1 = new SpannableString(text1);
span1.setSpan(new AbsoluteSizeSpan(textSize1), 0, text1.length(), SPAN_INCLUSIVE_INCLUSIVE);

SpannableString span2 = new SpannableString(text2);
span2.setSpan(new AbsoluteSizeSpan(textSize2), 0, text2.length(), SPAN_INCLUSIVE_INCLUSIVE);

// let's put both spans together with a separator and all
CharSequence finalText = TextUtils.concat(span1, " ", span2);

Answer 2

//使用Html.fromHtml(str)

String str="<font size =\"20\"><B>Bold</B> <br/> Then Normal Text<br/>
                         <i>Then Italic</i> </font>" +
                       "<br/> <font color=\"green\" >this is simple sentence </font>" +
                       "<br/> <font face=\"verdana\" >this is simple sentence </font>"+
                       "<br/><br/><br/><br/><a>this is simple sentence</a>";
      Spanned strHtml= Html.fromHtml(str);

       TextView tv = (TextView)findViewById(R.id.textView);
       tv.setText(strHtml);

或者您可以使用

SpannableString