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Questions tagged [preference]

445 questions
2
votes
4 answers

How to validate an EditTextPreference value for a specific int range

I want to validate an EditTextPreference value to be inside a specific int range (lets say 1 to 22). The only part that I could validate was the inputType (number only) with the following xml declaration in the prefs.xml…
sotoz
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1 answer

Populate ListPreference with a list of supported camera picture sizes

I'm in the middle of developing a camera app, and what I need to do is provide a list of resolutions compatible with the user's device. Getting that list is no problem, I can just use the getSupportedPictureSizes() method. However the bit I'm stuck…
William Stewart
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2 answers

Weird behavior after upgrading to androidx.preference:preference-ktx:1.2.0

I am using Google Map in my Android app, was working properly, now after upgrading androidx.preference:preference-ktx from 1.1.0 to 1.2.0, Google Maps stopped displaying map tiles, but everything else is working, tap on map works, ...
AVEbrahimi
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0 answers

How do I refresh a specific Preference in Custom PreferenceActivity on Android?

First get your preference and then add/remove it. The key comes from your preference.xml file (or however you have named it)
Cam
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1 answer

Get an image URI in a preference screen!

So, what I'm actually looking for is this solution: Get/pick an image from Android's built-in Gallery app programmatically but working in a preference and not in an activity. I created a class that I put in my setting and I want to use that class to…
widgg
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1 answer

Custom values in xml

res/xml/prefs.xml file:
Paxmees
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0 answers

pre-populate shared preference file

I'm just starting to write a new android app and wanted to have a clean design. I want some variables to be initiated with a default value. Those default values should all be in one file called settings (or something similar). However the user…
Ouli
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1 answer

How can I change the gravity of a preference page to RIGHT?

How can I change the gravity of a preference page to RIGHT? is there any solution?
Bob
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How to mark an Icon on the right of a Preference Item in the PreferenceActivity?

Please click to see the image http://i1094.photobucket.com/albums/i455/tdounnyy/device.png At the bottom of this PreferenceActivity, the "Select ringtone" has an icon/button on the right side. And "Vibrate" does not. This Vibrate Preference is one…
tdounnyy
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2 answers

findViewById fails in onViewCreated of a PreferenceFragment, Android

I have two fragments : - HomeFragment that extends Fragment - SettingsFragment that extends PreferenceFragment Each one contains a TextView that I wish to access and modify its content in the Java code. I make this modification inside the…
MMasmoudi
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0 answers

PreferenceFragmentCompat, crash with EditTextPreference

I have a settings XML file, implemented in a PreferenceFragmentCompat class. In the XML file, I have a "android.support.v7.preference.EditTextPreference" in a "android.support.v7.preference.PreferenceScreen" like this…
deveLost
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2 answers

Which volume of TAOCP should I start with?

I have decided to go through "The Art Of Computer Programming" series by Sir Donald Knuth. Based on your experience, please suggest which volume would be a good one to start with, as in an easier one (relative to others) and also, please suggest…
Mahesh Velaga
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1 answer

PreferenceActivity display/edit the values of a domain object

Given this code, how do I get the values from the checkbox- and textpreference and store them in the domain object? public class MonitorPreferences extends PreferenceActivity { private PersistenceManager pm; private Monitor monitor; …
Holm
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2 answers

How to set a DefaultSharedPreferences value?

I have a preferences activity with a checkbox "Enable Service". I read the value like this : SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(con); ServiceEnabled_Pref = prefs.getBoolean("EnableService", true); ok, but how…
Alex
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1 answer

Get preference in mainactivity

I've got a Preferenceactivity with a Preferenceswitch. By default my app launches with fragment 1, how can I do that if Preferenceswitch is fliped/activated, fragment 2 launches at app start? What I'm looking for is the command to access the…
Makarele
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