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PORefresh EditText of a Preference depending on the change of another Preference
 

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    <p>I want to change the values <strong>displayed</strong> in each <code>Preference</code> in my <code>PreferenceActivity</code> based on the change in another preference. </p> <p>I have an app that stores metric (float) values in <code>Preferences</code>. I also have a <code>Preference</code> called <code>metric</code> where the user can switch between usage of metric or imperial units. </p> <p>I only store metric values, but when the user switches to imperial the app displays the imperial values. </p> <p>Everything works fine if the user only switches the metric preference and leaves the <code>PreferenceActivity</code>. When he goes back the values are displayed the correct way. If he goes to look at <code>userHeight</code> for example the display still shows the metric value though.</p> <p>In my <code>PreferenceActivity</code> I want to refresh the displayed values when the <code>metric</code> Preference changes (I am making sure that when these values should be stored they will be converted back correctly):</p> <pre> this.metric.setOnPreferenceChangeListener(new OnPreferenceChangeListener() { @Override public boolean onPreferenceChange(Preference preference, Object newValue) { final Boolean metric = Boolean.parseBoolean(newValue.toString()); changeSummaries(metric); refreshDisplay(metric); return true; } }); </pre> <p>What do I have to implement in the <code>refreshDisplay(...)</code> method? It would also help to know at what point of the lifecycle of the <code>PreferenceActivity</code> are the changed values committed?</p>
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