Android Preferences: How to load the default values when the user hasn’t used the preferences-screen?

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this question is similar to mine:

initialize-preferences-from-xml-in-main-activity

Just use this code in onCreate method:

PreferenceManager.setDefaultValues(this, R.xml.preference, false);

It will load your preferences from XML, and last parameter (readAgain) will guarantee that user preferences won’t be overwritten. That means setting the readAgain argument to false means this will only set the default values if this method has never been called in the past so you don’t need to worry about overriding the user’s settings each time your Activity is created

Take a look into PreferenceManager.setDefaultValues in Android API for further investigation.

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