PreferenceFragment
PreferenceFragment
Preference is frame of settting parameters. Basics is here
PreferenceFragment provides fragment(display) to manage settings.
There are 2 things to do is to create setting xml and small codes to make PreferenceFragment
We don’t care of creating special UI codes.
Steps
- Create Preference setting(xml)
- Prepare PreferenceFragment
- Call Preference from Activity
Create Preference setting(xml)
Prepare xml file under res/xml There isn’t folder by default, please make it.
Sample is here(setting_pref.xml)
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"> <PreferenceCategory android:title="@string/test_title"> <CheckBoxPreference android:key="test" android:title="@string/test" android:summary="@string/summary_test" /> </PreferenceCategory> </PreferenceScreen>
This is easy sample. Add checkbox type UI
Prepare PreferenceFragment
Let’s make a class which extends PreferenceFragment. That’s a point.
public class SettingFragment extends PreferenceFragment { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.setting_pref); } }
Call Preference from Activity
Call from Activity. It’s just same as using Fragment.
public class PreferenceTestActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getFragmentManager().beginTransaction().replace(android.R.id.content, new SettingFragment()).commit(); } }