Android :: After Changing A Preference - A Setting - Text Showing Settings Doesn't Update

Apr 13, 2010

I will try to explain a simple app scenario: My app goes right to a 'main view'. In this main view I have inserted a 'TextView' which displays current settings created by way of the PreferenceManager. For simplicities sake, let's say I have a checkbox in my settings. When I first start my app - the TextView on my main view shows my checkbox setting correctly (true). Now I go to the settings menu, it pops-up, and then I change it to false. I go back to the main view change. It still say's true even after I changed it to false. If I end the app and then re-start it - all is well and it shows my change.

Apparently the main view just stays in the background while I'm changing settings? How can I redraw or update the main view after I change settings?

Android :: After changing a preference - a setting - text showing settings doesn't update

HTC EVO 4G :: Text Disapears When I Leave And Come Back / Setting So It Doesn't Delete?

Aug 18, 2010

Couldn't find an answer to this...

Say I'm typing a text message and a call comes in or I go to another app or screen for some reason,(didnt send text) then come back to the messaging app the test I was typing(but didnt finish and send) is gone and I have to retype it.

Is there a setting so it doesn't delete it?

The Pre was nice because it would keep the typed unsent test till it was deleted or sent.

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Android :: Setting UI Preference Summary Field To Value

Sep 30, 2010

New to Android, I have some code when the user changes a preference I update the Summary field in the UI preference to be the value they entered. However, when the preference activity is created I'd like to set the Summary fields to be the values in the corresponding preferences.
Please advise. Thanks.

public class MyPreferenceActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener { protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
SharedPreferences sp = getPreferenceScreen().getSharedPreferences();
} public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { Preference pref = findPreference(key); if (pref instanceof EditTextPreference) { EditTextPreference etp = (EditTextPreference) pref; pref.setSummary(etp.getText());
} } }

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Any API i need to use or keyword?

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<Preference Screen xmlns:android=""
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Apr 10, 2010

I've a Preference Activity which works perfectly the first time i launch it.But if i close it ( with the back button ) and then i re open it ( through a menu click in the main activity ) then i get a black screen. There is no preferences at all.I can't figure it out why it should not working.It seems all the code is being called normally as the working one but no preferences are showing on the screen.

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Android :: How To Apply Our Settings To Selected Text Instead Of All Text In Edit Text View

Nov 17, 2009

I have a problem as follows:

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How to implement this .

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Apr 16, 2010

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Apr 12, 2010

I have a PreferenceActivity with a bunch of (Sub)PreferenceScreens. Each such (Sub)PreferenceScreen represents an account and has the account-username as its title.


As the user enters sub-PreferenceScreen, and edits the account user-name, I want the outer PreferenceScreen to update it's PreferenceScreen-title for the account in question.

I've tried to add...


But the accScreen.setTitle does not seem to take effect on the outer PreferenceScreen. I've note that calling onContentChanged(); actually makes it work, but I realize that this is probably not the preferred way of doing it.

I suspect I should call postInvalidate() on some view somewhere, but I really can't figure out on what view and when to do it. may be experiening the same problem as me.

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I want to change the color of a substring while it is drawed in a text view. For example, if I have this text: "Hello this is a text in black color and (COLOR_RED_BEGIN)this is a text in red color. (COLOR_RED_END)", then when the text view draws the text the substring "this is a text in red color." must be drawn in red.

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If i replace gallery with grid or a horizontal view I can see the text on edit text.

Can you please advise what I might be doing wrong here. Why the text disappears.

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Here's the code:................

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Feb 12, 2010

Sometimes it works and sometimes it doesn't. I have a profile for "in dock" to turn on GPS and bluetooth. Last night it didn't shut off and this am - DEAD battery. I've noticed sometimes in the dock it doesn't turn those features on either - but sometimes it does work?

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May 8, 2010

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My code:....................

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