Android ListPreference default value not working

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This is my code

 <ListPreference 
         android:key="yearlength"
         android:title="Year Length"
         android:entries="@array/years"
         android:entryValues="@array/yearsvalues"
         android:summary="%s"
         android:defaultValue="365.256363004"/>  

      <string-array name="years">
        <item>Mean sidereal solar year(365.256363004)</item>
        <item>Mean tropical solar year(365.24219)</item>
        <item>Savana year(360)</item>
        <item>Thithi year(354)</item>
        <item>Nakshatra year(324)</item>
        <item>Normal solar year(365.2425)</item>
       </string-array>   

       <string-array name="yearsvalues">
        <item>365.256363004</item>
        <item>365.24219</item>
        <item>360</item>
        <item>354</item>
        <item>324</item>
        <item>365.2425</item>
       </string-array>

I am new to andorid.The default value is not showing. But when i set andorid:defaultValue="360" its working.plz help me


you should use string reference.

<string name="default>365.256363004</string>

and use

<ListPreference 
         android:key="yearlength"
         android:title="Year Length"
         android:entries="@array/years"
         android:entryValues="@array/yearsvalues"
         android:summary="%s"
         android:defaultValue="@string/default"/>

How to set the Default Value of a ListPreference, <item>2</item> <item>3</item> </string-array> <ListPreference android:title="​Colour Just for the record if someone else has this problem: setValueIndex(int X) is setting the value @ index X to the default value - so it is  This API supports the Mono for Android infrastructure and is not intended to be used directly from your code. ThresholdType ThresholdType: This API supports the Mono for Android infrastructure and is not intended to be used directly from your code. Title Title: Inherited from Preference: TitleFormatted TitleFormatted: Returns the title of this Preference.


The default value inf is parsed as a float, converted to a String, and then stored as the Preference default value.

Add

android:defaultValue="inf"

More Details Beware of Preference Default Values in XML

Android ListPreference default value not working, This is my code <ListPreference android:key="yearlength" android:title="Year Length" android:entries="#array/years" android:entryValues="#array/yearsvalues​"  In case of using PreferenceDataStore, the restorePersistedValue is always true but the default value (if provided) is set. This may not always be called. One example is if it should not persist but there is no default value given.


<ListPreference 
         android:key="yearlength"
         android:title="Year Length"
         android:entries="@array/years"
         android:entryValues="@array/yearsvalues"
         android:summary="%s"
         android:defaultValue="365.256363004"/>

Dont fotget to Uninstall or clear application data and reinstall the app.

Beware of Preference Default Values in XML, The Problem. Although EditTextPreference stores its value as a String, a default value set in the XML code isn't simply handled as a String. Checks whether this preference is persistent. If it is, it stores its value(s) into the persistent SharedPreferences storage by default or into PreferenceDataStore if assigned. Boolean: isSelectable() Checks whether this preference should be selectable in the list. Boolean: isShown() Checks whether this preference is shown to the user in the


ListPreference, Android Protip: Show selected value of ListPreference. Here's a quick <​ListPreference android:summary="%s" android:defaultValue="km"  In case of using PreferenceDataStore, the restorePersistedValue is always true but the default value (if provided) is set. This may not always be called. One example is if it should not persist but there is no default value given.


Android Protip: Show selected value of ListPreference, set first value by default listPreference. Best Java code snippets using android.​preference.ListPreference.setValueIndex (Showing top 20 results out of 315). Although EditTextPreference stores its value as a String, a default value set in the XML code isn’t simply handled as a String. Instead, during build, default values are parsed, e.g., as floats. This can have unexpected and, usually, undesired effects.


MaterialPreferenceLibrary/settings_example.xml at master , Loading Training · API Guides · Reference · Tools · Google Services. to top android:entryValues, The array to find the value to save for a preference Called when a Preference is being inflated and the default value attribute needs to be read. This state should only contain information that is not persistent or can be​  Overview. In Android apps, there are often settings pages that contain different options the user can tweak. The PreferenceFragment and PreferenceFragmentCompat contains a hierarchy of preference objects displayed on screen in a list.