2014-09-02 72 views
1

我正在制作相机应用程序。我想将相机预览保存到SD卡。这里是代码,它保存预览,但不是图像只有灰色框。从字节获取位图[]

mCamera.setOneShotPreviewCallback(new PreviewCallback() { 

      @Override 
      public void onPreviewFrame(byte[] mData, Camera mCamera) { 
       BitmapFactory.Options options = new BitmapFactory.Options(); 
       options.inMutable = true; 

       options.inPreferredConfig = Bitmap.Config.ALPHA_8; 
       options.inPreferredConfig = Bitmap.Config.ARGB_8888; 
       options.inPreferredConfig = Bitmap.Config.RGB_565; 

       Bitmap bitmap = BitmapFactory.decodeByteArray(mData, 0, 
       mData.length, options); 

       saveImage(bitmap); 
      } 
     }); 
+0

http://stackoverflow.com/questions/13854742/byte-array-of-image-into-imageview – 2014-09-02 08:37:49

+0

已经看到,但它不工作 – user3864752 2014-09-02 08:39:12

回答

2

试试这个。

public static Bitmap getBitmapFromBytes(final byte[] b) { 
     Bitmap bitmap = null; 
     try { 
      bitmap = BitmapFactory.decodeByteArray(b, 0, b.length); 
     } catch (final Exception e) { 
      e.printStackTrace(); 
     } 
     return bitmap; 
    }