类似qq回复，让字体颜色不同

SpannableString s = new SpannableString("MPAndroidChart developed\n by Philipp Jahoda");s.setSpan(new RelativeSizeSpan(1.7f), 0, 14, 0);s.setSpan(new StyleSpan(Typeface.NORMAL), 14, s.length() - 15, 0);s.setSpan(new ForegroundColorSpan(Color.GRAY), 14, s.length() - 15, 0);s.setSpan(new RelativeSizeSpan(.8f), 14, s.length() - 15, 0);s.setSpan(new StyleSpan(Typeface.ITALIC), s.length() - 14, s.length(), 0);s.setSpan(new ForegroundColorSpan(ColorTemplate.getHoloBlue()), s.length() - 14, s.length(), 0);//////////////////////////////////////设置字体颜色textview1 = (TextView) findViewById(R.id.text1);SpannableStringBuilder spannableStringBuilder1 = new SpannableStringBuilder("Android");ForegroundColorSpan foregroundColorSpan = new ForegroundColorSpan(Color.BLUE);spannableStringBuilder1.setSpan(foregroundColorSpan, 0, 3, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);textview1.setText(spannableStringBuilder1);///////////////////////////////////设置字体背景颜色textview2 = (TextView) findViewById(R.id.text2);SpannableStringBuilder spannableStringBuilder2 = new SpannableStringBuilder("Android");BackgroundColorSpan backgroundColorSpan = new BackgroundColorSpan(Color.RED);spannableStringBuilder2.setSpan(backgroundColorSpan, 0, 3, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);textview2.setText(spannableStringBuilder2);/////////////////////////设置字体大小textview3 = (TextView) findViewById(R.id.text3);SpannableStringBuilder spannableStringBuilder3 = new SpannableStringBuilder("Android");AbsoluteSizeSpan absoluteSizeSpan = new AbsoluteSizeSpan(30);spannableStringBuilder3.setSpan(absoluteSizeSpan, 0, 3, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);textview3.setText(spannableStringBuilder3);////////////////////////////设置字体//设置字体(加粗斜体)textview4 = (TextView) findViewById(R.id.text4);SpannableStringBuilder spannableStringBuilder4 = new SpannableStringBuilder("Android");StyleSpan styleSpan = new StyleSpan(Typeface.BOLD_ITALIC);spannableStringBuilder4.setSpan(styleSpan, 0, 3, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);textview4.setText(spannableStringBuilder4);/////////////////////////////////////设置下划线textview5 = (TextView) findViewById(R.id.text5);SpannableStringBuilder spannableStringBuilder5 = new SpannableStringBuilder("Android");UnderlineSpan underlineSpan = new UnderlineSpan();spannableStringBuilder5.setSpan(underlineSpan, 0, 3, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);textview5.setText(spannableStringBuilder5);////////////////////////////设置删除线textview6 = (TextView) findViewById(R.id.text6);SpannableStringBuilder spannableStringBuilder6 = new SpannableStringBuilder("Android");StrikethroughSpan strikethroughSpan = new StrikethroughSpan();spannableStringBuilder6.setSpan(strikethroughSpan, 0, 3, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);textview6.setText(spannableStringBuilder6);//////////////////////////////////设置多种样式textview7 = (TextView) findViewById(R.id.text7);SpannableStringBuilder spannableStringBuilder7 = new SpannableStringBuilder("Android");spannableStringBuilder7.setSpan(foregroundColorSpan, 0, 3, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);spannableStringBuilder7.setSpan(backgroundColorSpan, 0, 3, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);spannableStringBuilder7.setSpan(underlineSpan, 0, 3, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);spannableStringBuilder7.setSpan(absoluteSizeSpan, 3, 6, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);spannableStringBuilder7.setSpan(strikethroughSpan, 3, 6, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);textview7.setText(spannableStringBuilder7);//////////////////////////////SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder("Android");spannableStringBuilder.setSpan(    new ClickableSpan() {        @Override        public void onClick(View widget) {            //do something        }        @Override        public void updateDrawState(TextPaint ds) {            //设置一些样式            //ds.setUnderlineText(false);            //ds.setColor(color);        }    }, startIndex, endIndex,    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);/////////////////////找下标String s = tv.getText().toString();            int i1 = s.indexOf(":");