textView = (TextView) findViewById(R.id.textview);  SpannableStringBuilder builder = new SpannableStringBuilder(textView.getText().toString());    //ForegroundColorSpan 为文字前景色，BackgroundColorSpan为文字背景色  ForegroundColorSpan redSpan = new ForegroundColorSpan(Color.RED);  ForegroundColorSpan whiteSpan = new ForegroundColorSpan(Color.WHITE);  ForegroundColorSpan blueSpan = new ForegroundColorSpan(Color.BLUE);  ForegroundColorSpan greenSpan = new ForegroundColorSpan(Color.GREEN);  ForegroundColorSpan yellowSpan = new ForegroundColorSpan(Color.YELLOW);        builder.setSpan(redSpan, 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);  builder.setSpan(whiteSpan, 1, 2, Spannable.SPAN_INCLUSIVE_INCLUSIVE);  builder.setSpan(blueSpan, 2, 3, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);  builder.setSpan(greenSpan, 3, 4, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);  builder.setSpan(yellowSpan, 4,5, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);    textView.setText(builder);