preferencefragment

问题 I'm trying to use the new Preference v14 Support library. To give the preferences a material style, I use the following style on my Activity: <style name="PreferenceTheme" parent="@style/Theme.AppCompat.Light.DarkActionBar"> <item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item> </style> That works fine. My problem is that when I add new Preferences at runtime, they get inflated using an old theme. Here's a screenshot of the result: As you can see, the first preference

问题 How do I create a settings screen? Should I use PreferenceActivity or PreferenceFragment ? Note- Documentation wasn't helpful What I've already tried: Using PreferenceActivity but couldn't implement a simple toolbar in it. Using PreferenceFragment but was too complex to understand. What I want is a simple implementation using PreferenceFragment 回答1: On Android 3.0 and later, you should use a PreferenceFragment that displays your app settings. Create a SettingsFragment: public static class

问题 I use an ActionBarActivity with NavigationDrawer and a ListView in the content frame of Drawer. <?xml version="1.0" encoding="utf-8"?> <FrameLayout android:id="@+id/content_frame" android:layout_width="fill_parent" android:layout_height="match_parent" android:orientation="vertical" > <LinearLayout android:id="@+id/lyt_list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1" android:orientation="horizontal" > <ListView android:id="@+id/list_notes"

问题 I run into a problem while I was settings up the Preferences for my App . I would like to have a Button in the ActionBar (e.g. Save) but my ActionBar is not showing anything. I put this Line in the onCreate Method: this.setHasOptionsMenu(true) ; And implemented the public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) public boolean onOptionsItemSelected(MenuItem item) methods as well. However, it does not show anything. 回答1: Be sure your button item in your action menu layout

问题 Is it possible to dynamically add EditTextPreference to PreferenceCategory in PreferenceFragment? Or set the number of EditTextPreference and then create as many? I will be gratefull for any help 回答1: I am using a helper class to build EditTextPreferences, using that I can do: Context context = getActivity(); PreferenceCategory statusCat = (PreferenceCategory) findPreference(context .getString(R.string.status_category)); EditTextPreference editTextPref = EditTextPrefBuilder.getBuilder(context

问题 I have a single Activity architecture where I'm loading a PreferenceFragmentCompat inside another ViewGroup in the MainActivity . Custom navigation exists within the MainActivity so that you can load the ViewGroup with the fragment and navigate away from it all within the same MainActivity . The first time I navigate to the ViewGroup , the PreferenceFragmentCompat loads perfectly fine. However, when I navigate away from the ViewGroup containing the PreferenceFragmentCompat and then back again

问题 Please help me out here, I'm hitting brick wall for the last two days and can't figure it out. I have a simple PreferenceFragment and would like to inflate it from an Activity. Here is the res/xml/preferences.xml: <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" android:key="preferences"> <PreferenceCategory android:title="@string/notification_basic" android:key="notification"> <CheckBoxPreference android:key="enable_notification" android:summary="@string/enable

问题 I'm stuck with a pretty simple issue: I'm trying to build a Preference screen in my app and I'd like to do it with the new, now-standard PreferenceFragment method. This is my prefs xml: <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"> <PreferenceCategory android:title="@string/prefs_interface_settings"> <SwitchPreference android:key="show_average" android:title="Show average length of work day" android:defaultValue="false" android:summary="Display the calculated

问题 I'm trying to use a SwitchPreference in my Settings page, but i can't get the listener to work. I am using a custom widget layout in order to style the switch, as I cannot find how to use themes to achieve this. In my settings.xml i have the following: <SwitchPreference android:key="uitestmode" android:summary="Enable to display test data in fragments" android:title="UI Test Mode" android:widgetLayout="@layout/widget_custom_switch_on_off" > </SwitchPreference> and my SettingsFragment looks

问题 I want to use Snackbar onSharedPreferenceChange() inside my PreferenceFragment hosted by a Activity. preference.xml <?xml version="1.0" encoding="utf-8"?> <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" android:key="ll_main"> <PreferenceCategory android:title="@string/push_notification"> <SwitchPreference android:title="@string/transectional_notification" android:key="trans_not" android:defaultValue="true" android:summary="@string/get_notified_about_any_changes