Android: How to Retrieve Shared Preferences Values

To a beginner this may be daunting. But it is a really easy solution!

Example preference activity:

public class FooActivity extends PreferenceActivity {

 @Override
 public void onCreate(Bundle icicle) {
  super.onCreate(icicle);
  addPreferencesFromResource(R.xml.preference);
 }
}

Preference xml file:

Method to access those items: (use in any class necessary)

import android.preference.PreferenceManager;
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
// then you use
prefs.getBoolean("keystring", true);

Set your android:key= "" to the key value you want to access later on. That simple! No need for ids on checkbox preferences either (unless you're doing dynamic changes to the settings and need to)

Posted in: Android, Programming