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Pass different values as componentvalue to  in
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How do I save preference user settings in Java?
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Android Preferences: How to load the default values when the user hasn't used the preferences-screen?
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How do you validate the format and values of EditTextPreference entered in Android 2.1?
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Add a button to the main_activity view with Java code
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NullPointerException when setting attribute?
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How to add Action Bar from support library into PreferenceActivity?
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how to pass objects between intents
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Setting onClickListener for the Drawable right of an EditText