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copied!<p>Ok have a solution (Android does it with an OnPreferenceChangeInternalListener but this is an easy working solution)</p> <pre><code>public class ProgressBarPreference extends Preference { public ProgressBarPreference(Context context) { super(context); } public ProgressBarPreference(Context context, AttributeSet attrs) { super(context, attrs); } public ProgressBarPreference(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } private ProgressBar mProgressBar; private TextView mLabel; private int lastReqProgress=-1; private int lastReqMax=-1; private String lastLabel; @Override protected View onCreateView(ViewGroup parent) { LayoutInflater li = (LayoutInflater) Manager.appcontext.getSystemService(Service.LAYOUT_INFLATER_SERVICE); View myLayout=li.inflate(R.layout.progressbarpreference, null, false); ((ViewGroup)myLayout.findViewById(R.id.preference_super_container)).addView(super.onCreateView(parent)); mProgressBar=(ProgressBar) myLayout.findViewById(R.id.preference_progress_bar); mLabel=(TextView) myLayout.findViewById(R.id.preference_progress_label); if (lastReqProgress>-1){ mProgressBar.setProgress(lastReqProgress); } if (lastReqMax>-1){ mProgressBar.setMax(lastReqMax); } if (lastLabel!=null){ mLabel.setText(lastLabel); } return myLayout; } public void setProgress(int value){ if (mProgressBar!=null){ mProgressBar.setProgress(value); } else { lastReqProgress=value; } } public void setMax(int value){ if (mProgressBar!=null){ int savedprogress=mProgressBar.getProgress(); mProgressBar.setMax(0); mProgressBar.setMax(value); mProgressBar.setProgress(savedprogress); } else { lastReqMax=value; } } public void setLabel(String text){ if (lastLabel!=null){ mLabel.setText(text); } else { lastLabel=text; } } } </code></pre>

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