ProgressBar.setProgressDrawable not working for Android 2.3 -

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I am currently working with dynamically updated ProgressBar . Through a few percentages, the prawnsbar sets the color of a different color. Currently we have various color clips defined in drawable XML. The one entitled progressbar_blue_states is as detailed: 

   & Lt; / Item & gt; & Lt; / Layer-list & gt;   
 Whenever we need to update the dialog, we call the following code:.  
  progressBar.setProgressDrawable (getResources () getDrawable (R.drawable.progressbar_blue_states));   
 However, it does not only update the progress bar, but it completely takes the progress bar out where the white space is left anywhere. However, if I set  android: progressDrawable = "@ drawable / progressbar_blue_states"  are in XML and carry this  call setProgressDrawable () , it loads correctly. We need setprogressDrawable to update the colors as needed.  
 This call works fine in Android 4.0+, but in Android 2.3 we are running in some trouble. Any ideas?  
  Edit   
 In this way we set up progress in XML:  
  : indefinite = "false" android: indeterminateOnly = "false"    
 
 
 I got the same bug, but it has been resolved by using < / P> 
 This means there is a new drawable set for the seekbar, but the drawable size is 0, so you will not see anything.  
  Rect range = mySeekBar.getProgressDrawable (). GetBounds (); MySeekBar.setProgressDrawable (newSeekBarBackground); MySeekBar.getProgressDrawable () setBounds (border)

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