Android將映像轉換成流儲存與將流轉換成映像

 1 //take the image to byte[] 2 byte[] byteIcon = userIcon; 3  4                     //將位元組數組即頭像從二進位流轉換成drawable 5                     if(byteIcon != null){ 6                          7                         ByteArrayInputStream bais = new ByteArrayInputStream(byteIcon); 8                          9                         userIconDrawable = Drawable.createFromStream(bais, "image");10                         11                     }12 13 14 15 16 17 BitMap userIcon;18 19 20         //將bitmap轉換成drawable21         ByteArrayOutputStream os = new ByteArrayOutputStream();22 　　　　//參數1轉換類型，參數2壓縮品質，參數3位元組流資源        
　　　　　　userIcon.compress(CompressFormat.PNG, 100, os);

1 //將Drawable 轉成bitmap2 BitmapDrawable tempDrawable = (BitmapDrawable) DrawableImage;3 tempDrawable.getBitmap();