Android中对图像进行Base64编码

 1 public String bitmaptoString(Bitmap bitmap) {  
 2   
 3   
 4   
 5         // 将Bitmap转换成字符串  
 6   
 7         String string = null;  
 8   
 9         ByteArrayOutputStream bStream = new ByteArrayOutputStream();  
10   
11         bitmap.compress(CompressFormat.PNG, 100, bStream);  
12   
13         byte[] bytes = bStream.toByteArray();  
14   
15         string = Base64.encodeToString(bytes, Base64.DEFAULT);  
16   
17         return string;  
18   
19 }

//将Base64编码字符串转化为Bitmap对象    

public Bitmap stringtoBitmap(String string) {  
      
                    // 将字符串转换成Bitmap类型  
      
                    Bitmap bitmap = null;  
      
                    try {  
      
                            byte[] bitmapArray;  
      
                            bitmapArray = Base64.decode(string, Base64.DEFAULT);  
      
                            bitmap = BitmapFactory.decodeByteArray(bitmapArray, 0,  
      
                                            bitmapArray.length);  
      
                    } catch (Exception e) {  
      
                            e.printStackTrace();  
      
                    }  
      
      
      
                    return bitmap;  
      
            }

posted on 2016-06-17 09:43 —落落— 阅读(1569) 评论(0) 收藏举报