在同一个TextView里显示不同样式的字体

public void setSpan(Object what, int start, int end, int flags);

样式1：背景色、粗体、字体大小

• 效果

  

• Code

  TextView textView = (TextView) findViewById(R.id.text_view_font_1);
  Spannable string = new SpannableString("修改背景色、粗体、字体大小");
  // 背景色
  string.setSpan(new BackgroundColorSpan(Color.RED), 2, 5, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  // 粗体
  string.setSpan(new StyleSpan(Typeface.BOLD), 6, 8, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  // 字体大小
  string.setSpan(new AbsoluteSizeSpan(50), 11, 13, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  // 显示
  textView.setText(string);

样式2：斜体加粗

• 效果

  

• Code

  TextView textView = (TextView) findViewById(R.id.text_view_font_1);
  Spannable string = new SpannableString("Hello TextView");
  // 斜体加粗（中文斜体好像没有什么效果）
  string.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, 5, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
  textView.setText(string);

样式3：字体颜色

• 效果

  

• Code

  TextView textView = (TextView) findViewById(R.id.text_view_font_1);
  Spannable string = new SpannableString("设置红色字体");
  // 字体颜色
  string.setSpan(new ForegroundColorSpan(Color.RED), 2, 4, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
  textView.setText(string);

样式4：下划线

• 效果

  

• Code

  TextView textView = (TextView) findViewById(R.id.text_view_font_1);
  Spannable string = new SpannableString("带下划线的文字");
  string.setSpan(new URLSpan(""), 1, 4, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
  textView.setText(string);

样式5：字体宽度（设置字体宽度比）

• 效果

  

• Code

  TextView textView = (TextView) findViewById(R.id.text_view_font_1);
  Spannable string = new SpannableString("“胖”文字和“瘦”文字");
  string.setSpan(new ScaleXSpan(2.0f), 1, 2, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  string.setSpan(new ScaleXSpan(0.5f), 7, 8, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  textView.setText(string);

样式6：删除线

• 效果

  

• Code

  TextView textView = (TextView) findViewById(R.id.text_view_font_1);
  Spannable string = new SpannableString("把“删除”划掉");
  // 删除线
  string.setSpan(new StrikethroughSpan(), 2, 4, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  textView.setText(string);

样式7：前景色

• 效果

  

• Code

  TextView textView = (TextView) findViewById(R.id.text_view_font_1);
  Spannable string = new SpannableString("设置前景色为红色");
  // 前景色
  string.setSpan(new ForegroundColorSpan(Color.RED), 6, 7, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
  textView.setText(string);

样式8：URL

• 效果

  

• Code

  TextView textView = (TextView) findViewById(R.id.text_view_font_1);
  final String contact = "Email: kongqw@foxmail.com\n" +
          "Phone: 188123456789\n" +
          "Fax: +47-12345678\n" +
          "HTTP: http://blog.csdn.net/q4878802";
  textView.setAutoLinkMask(Linkify.ALL); // or set 'android:autoLink' in layout xml
  textView.setText(contact);