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| Provides classes that manage application preferences and implement the preferences UI. |
| Using these ensures that all the preferences within each application are maintained |
| in the same manner and the user experience is consistent with that of the system and |
| other applications. |
| <p> |
| The preferences portion of an application |
| should be ran as a separate {@link android.app.Activity} that extends |
| the {@link android.preference.PreferenceActivity} class. In the PreferenceActivity, a |
| {@link android.preference.PreferenceScreen} object should be the root element of the layout. |
| The PreferenceScreen contains {@link android.preference.Preference} elements such as a |
| {@link android.preference.CheckBoxPreference}, {@link android.preference.EditTextPreference}, |
| {@link android.preference.ListPreference}, {@link android.preference.PreferenceCategory}, |
| or {@link android.preference.RingtonePreference}. </p> |
| <p> |
| All settings made for a given {@link android.preference.Preference} will be automatically saved |
| to the application's instance of {@link android.content.SharedPreferences}. Access to the |
| SharedPreferences is simple with {@link android.preference.Preference#getSharedPreferences()}.</p> |
| <p> |
| Note that saved preferences are accessible only to the application that created them.</p> |
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