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Id
5263917
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2011-03-10T18:16:44.820
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2011-03-10T18:16:44.820
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In my application I have the similar task to show second-level <code>PreferencesScreen</code> programmatically. What I did: <ol> <li>In <code>preferences.xml</code> I assigned a key to <code>PreferencesScreen</code> I want to show (as shown in the question).</li> <li>To show <code>PreferencesScreen</code> I wrote: <pre><code>final Intent preferencesActivity = new Intent(getBaseContext(), MyPreferencesActivity.class); preferencesActivity.putExtra("PREFERENCE_SCREEN_KEY", "key_of_preference_screen_to_show"); startActivity(preferencesActivity); </code></pre></li> <li>Then in my PreferenceActivity class in method <code>onCreate</code> the following code was added: <pre><code>final Intent intent = getIntent(); final String startScreen = intent.getStringExtra("PREFERENCE_SCREEN_KEY"); if (startScreen != null) { getIntent().removeExtra("PREFERENCE_SCREEN_KEY"); final Preference preference = findPreference(startScreen); final PreferenceScreen preferenceScreen = getPreferenceScreen(); final ListAdapter listAdapter = preferenceScreen.getRootAdapter(); final int itemsCount = listAdapter.getCount(); int itemNumber; for (itemNumber = 0; itemNumber < itemsCount; ++itemNumber) { if (listAdapter.getItem(itemNumber).equals(preference)) { preferenceScreen.onItemClick(null, null, itemNumber, 0); break; } } } </code></pre></li> </ol> One remark... Not only second-level <code>PreferencesScreen</code>, but the whole preferences hierarchy was loaded here. So, if you press <code>Back</code> button, the first (parent) <code>PreferencesScreen</code> will appear. In my case that was exactly what I needed. Not sure about yours.
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