解决android有的手机拍照后上传图片被旋转的问题

   Intent intent = new Intent(SendMicoBlog.this, RotaingActivity.class); 
    MyApp myApp = (MyApp)getApplication(); 
    myApp.setName(bitmap);//修改之后的名称 
    myApp.setPhoto(isPhoto); 
    startActivityForResult(intent, 1); 

   //获取bitmap 
    MyApp myApp = (MyApp)getApplication(); 
    bitmap = myApp.getName(); 
    System.out.println("RotaingActivity w = " + bitmap.getWidth() + "H = " + bitmap.getHeight()); 
    myBitmap = bitmap; 
    myWidth = bitmap.getWidth(); 
    myHeight = bitmap.getHeight(); 
     
    // 创建操作图片用的matrix对象 
    matrix = new Matrix(); 
    Drawable drawable = ImageDispose.bitmapToDrawable(bitmap); 
    imageView.setBackgroundDrawable(drawable); 
     
     
    btnCancel.setOnClickListener(new OnClickListener() { 
       
      @Override 
      public void onClick(View v) { 
         
        RotaingActivity.this.finish(); 
      } 
    }); 
     
    btnRightRotaing.setOnClickListener(new OnClickListener() { 
       
      @Override 
      public void onClick(View v) { 
        myBitmap = rotaingImageView(-90); 
      } 
    }); 
     
    btnLeftRotaing.setOnClickListener(new OnClickListener() { 
       
      @Override 
      public void onClick(View v) { 
        myBitmap = rotaingImageView(+90); 
      } 
    }); 
     
    btnOK.setOnClickListener(new OnClickListener() { 
       
      @Override 
      public void onClick(View v) { 
        MyApp myApp = (MyApp)getApplication(); 
        myApp.setName(myBitmap);//修改之后 
        System.out.println("OK resultcoder"); 
        Intent intent = new Intent(RotaingActivity.this, SendMicoBlog.class); 
        setResult(6, intent); 
        RotaingActivity.this.finish(); 
      } 
    }); 
  } 
  private Bitmap rotaingImageView(int angle2) { 
    //旋转图片 动作 
    matrix.postRotate(angle2); 
    System.out.println("angle2=" + angle2); 
    // 创建新的图片 
    Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0, 
        myWidth, myHeight, matrix, true); 
    Drawable drawable = ImageDispose.bitmapToDrawable(resizedBitmap); 
    imageView.setBackgroundDrawable(drawable);    
    return resizedBitmap; 
  } 

BitmapFactory.Options bitmapOptiOns= new BitmapFactory.Options(); 
bitmapOptions.inSampleSize = 8; 
File file = new File(SD_CARD_TEMP_DIR); 
/** 
 * 获取图片的旋转角度，有些系统把拍照的图片旋转了，有的没有旋转 
 */ 
int degree = ImageDispose.readPictureDegree(file.getAbsolutePath()); 

Bitmap cameraBitmap = BitmapFactory.decodeFile(SD_CARD_TEMP_DIR, bitmapOptions); 
bitmap = cameraBitmap; 
/** 
 * 把图片旋转为正的方向 
 */ 
bitmap = ImageDispose.rotaingImageView(degree, bitmap); 
upload(bitmap); 

 /** 
   * 旋转图片 
   * @param angle 
   * @param bitmap 
   * @return Bitmap 
   */ 
  public static Bitmap rotaingImageView(int angle , Bitmap bitmap) { 
    //旋转图片 动作 
    Matrix matrix = new Matrix();; 
    matrix.postRotate(angle); 
    System.out.println("angle2=" + angle); 
    // 创建新的图片 
    Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0, 
        bitmap.getWidth(), bitmap.getHeight(), matrix, true); 
    return resizedBitmap; 
  } 

/** 
 * 读取图片属性：旋转的角度 
 * @param path 图片绝对路径 
 * @return degree旋转的角度 
 */ 
  public static int readPictureDegree(String path) { 
    int degree = 0; 
    try { 
        ExifInterface exifInterface = new ExifInterface(path); 
        int orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL); 
        switch (orientation) { 
        case ExifInterface.ORIENTATION_ROTATE_90: 
            degree = 90; 
            break; 
        case ExifInterface.ORIENTATION_ROTATE_180: 
            degree = 180; 
            break; 
        case ExifInterface.ORIENTATION_ROTATE_270: 
            degree = 270; 
            break; 
        } 
    } catch (IOException e) { 
        e.printStackTrace(); 
    } 
    return degree; 
  }