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    <p>This might help you get back on track and having working preferences:</p> <p>XML FILE: preferences.xml </p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"&gt; &lt;PreferenceCategory android:title="Preferences Font"&gt; &lt;EditTextPreference android:title="Select Font Size" android:key="foobar" android:summary="Enter Font Size" android:defaultValue="12" /&gt; &lt;/PreferenceCategory&gt; &lt;/PreferenceScreen&gt; </code></pre> <p>JAVA FILE 1: Home.java</p> <pre><code>public class Home extends Activity { public SharedPreferences prefs; static public String fontPref; //you can make it an int or whatever you need static public String myValue; //to store new pref value /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { setContentView(R.layout.home); initializeStyle(); } private void initializeStyle() { prefs = PreferenceManager.getDefaultSharedPreferences(this); fontPref = prefs.getString("foobar", "hi"); //this doesn't actually change the value myValue = "This is a test"; Log.i("MyActivity", foobar); //won't show change yet } } </code></pre> <p>JAVA FILE 2: Prefernce.java</p> <pre><code>import android.preference.Preference; import android.preference.PreferenceActivity; import android.preference.PreferenceManager; //... and any other imports public class Preferences extends PreferenceActivity implements OnSharedPreferenceChangeListener{ private SharedPreferences prefs; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.preferences); //add other stuff here if you need, especially if you might have some //prefs that use buttons and need to set up your onClickListener for one } @Override public void onSharedPreferenceChanged(SharedPreferences sharedPref, String key) { Editor editor = sharedPref.edit(); if(key.equalsIgnoreCase("foobar")){ Home.fontPref = sharedPref.getString("foobar", "some value"); editor.putString("foobar", Home.myValue); //where ever or whatever new value is } editor.commit(); Log.i("PrefsActivity", foobar); //should show change now } } </code></pre> <p>Hopefully this may help you get on the right track. Of course there are many ways to do these things so, good luck hope it helps.</p>
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    1. COthis was useful to me thanks.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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