1           // 将Bitmap转换成InputStream(压缩率quality、100表示不压缩、10表示压缩90%)  2           public InputStream Bitmap2InputStream(Bitmap bm, int quality) {  3               ByteArrayOutputStream baos = new ByteArrayOutputStream();  4               bm.compress(Bitmap.CompressFormat.PNG, quality, baos);  5               InputStream is = new ByteArrayInputStream(baos.toByteArray());  6               return is;  7           }  8             9           // 将Bitmap转换成InputStream 10           public InputStream Bitmap2InputStream(Bitmap bm) { 11               ByteArrayOutputStream baos = new ByteArrayOutputStream(); 12               bm.compress(Bitmap.CompressFormat.JPEG, 100, baos); 13               InputStream is = new ByteArrayInputStream(baos.toByteArray()); 14               return is; 15           } 16            17           // 将InputStream转换成Bitmap 18           public Bitmap InputStream2Bitmap(InputStream is) { 19               return BitmapFactory.decodeStream(is); 20           } 21          22           // Drawable转换成InputStream 23           public InputStream Drawable2InputStream(Drawable d) { 24               Bitmap bitmap = this.drawable2Bitmap(d); 25               return this.Bitmap2InputStream(bitmap); 26           } 27          28           // InputStream转换成Drawable 29           public Drawable InputStream2Drawable(InputStream is) { 30               Bitmap bitmap = this.InputStream2Bitmap(is); 31               return this.bitmap2Drawable(bitmap); 32           } 33          34           // Drawable转换成byte[] 35           public byte[] Drawable2Bytes(Drawable d) { 36               Bitmap bitmap = this.drawable2Bitmap(d); 37               return this.Bitmap2Bytes(bitmap); 38           } 39          40           // byte[]转换成Drawable 41           public Drawable Bytes2Drawable(byte[] b) { 42               Bitmap bitmap = this.Bytes2Bitmap(b); 43               return this.bitmap2Drawable(bitmap); 44           } 45          46           // Bitmap转换成byte[] 47           public byte[] Bitmap2Bytes(Bitmap bm) { 48               ByteArrayOutputStream baos = new ByteArrayOutputStream(); 49               bm.compress(Bitmap.CompressFormat.PNG, 100, baos); 50               return baos.toByteArray(); 51           } 52          53           // byte[]转换成Bitmap 54           public Bitmap Bytes2Bitmap(byte[] b) { 55               if (b.length !=   0) { 56                   return BitmapFactory.decodeByteArray(b,   0, b.length); 57               } 58               return null; 59           } 60            61           // 将byte[]转换成InputStream 62           public InputStream Byte2InputStream(byte[] b) { 63               ByteArrayInputStream bais = new ByteArrayInputStream(b); 64               return bais; 65           } 66          67           // 将InputStream转换成byte[] 68           public byte[] InputStream2Bytes(InputStream is) { 69               String str = ""; 70               byte[] readByte = new byte[1024]; 71               int readCount = -  1; 72               try { 73                   while ((readCount = is.read(readByte,   0, 1024)) != -  1) { 74                       str += new String(readByte).trim(); 75                   } 76                   return str.getBytes(); 77               } catch (Exception e) { 78                   e.printStackTrace(); 79               } 80               return null; 81           } 82            83           // Drawable转换成Bitmap 84           public Bitmap drawable2Bitmap(Drawable drawable) { 85               Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), 86                       drawable.getIntrinsicHeight(), drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565); 87               Canvas canvas = new Canvas(bitmap); 88               drawable.setBounds(  0,   0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); 89               drawable.draw(canvas); 90               return bitmap; 91           } 92          93           // Bitmap转换成Drawable 94           public Drawable bitmap2Drawable(Bitmap bitmap) { 95               BitmapDrawable bd = new BitmapDrawable(bitmap); 96               Drawable d = (Drawable) bd; 97               return d; 98           } 99           100           //将Bitmap转换成Base64101           public  String getImgStr(Bitmap bit){102              ByteArrayOutputStream bos=new ByteArrayOutputStream();103              bit.compress(CompressFormat.JPEG,  100, bos);//参数100表示不压缩104              byte[] bytes=bos.toByteArray();105              return Base64.encodeToString(bytes, Base64.DEFAULT);106           }   107                108           //将Base64转换成bitmap109           public  Bitmap getimg(String str){110               byte[] bytes;111               bytes=Base64.decode(str,   0);112               return BitmapFactory.decodeByteArray(bytes,   0, bytes.length);113           }