一个TextView显示多个颜色

方法一：

   
   
   
   

    
    
    
    
 
     String newMessageInfo = "我正在<font color='red'>" + "红色内容" 
    
    
    
    
    
 
      + "</font>TextView学习显示不同颜色"; 
    
    
    
    
    
 
     textView.setText(Html.fromHtml(newMessageInfo)); 
    
   
   
   
   

方法二：

   
   
   
   

    
    
    
    
 
     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);