Android 通过Uri获取Bitmap

	private Bitmap getBitmapFromUri(Uri uri){
    
    
	   try
	   {
    
    
		    Bitmap bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), uri);
		    return bitmap;
	   }catch (Exception e){
    
    
		    e.printStackTrace();
		    return null;
	   }
  	}