title: Bitmap is returning null from BitmapFactory.decodeFile(filename)
body: <p>When I am calling this function there is no image in image view 
  <code>bitmapFactory.decodefile(filename)</code> showing null .. please help for this.</p>
  
  <p>Here is my code :</p>
  
  <pre><code>public Bitmap ShowImage(String imageName,String userImageName ) 
  {
  
      File sdcard_mainDirectory = new File(Environment.getExternalStorageDirectory(),"UserImages").getAbsoluteFile();
  
      File file = new File(sdcard_mainDirectory, userImageName).getAbsoluteFile();
  
      if (file != null) {
  
          try {
  
              String imageInSD = "/sdcard/UserImages/"+userImageName;
  
              Bitmap bitmap = BitmapFactory.decodeFile(imageInSD);
  
              return bitmap;
  
          }
          catch (Exception e) {
  
              e.printStackTrace();
          }
  
      }
  
      return null;
  
  }
  </code></pre>