Android :: Dialog Survival Over Configuration Change
Mar 4, 2009
Flipping between landscape and portrait is causing me a problem with dialogs that are active at the time of config change. The dialogs survive (which I think is good), but I have the problem that some of my dialogs contain dynamic content which would need to be refreshed in the dialog views. All that content disappears from the dialog views after the config change.
I thought it would be easier to do a dismissDialog() on restoration in onCreate(), letting the user press the button that shows the dialog. I successfully save and recover the dialog id, but when I attempt to dismissDialog(id) I get an IllegalArgumentException: no dialog with id 1 was ever shown via Activity$showDialog. Ok, so that doesn't work, and I still have that messed up dialog up on the screen that I want to get rid of. How can I do that? Are there any other reasonable alternatives?
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Jul 25, 2010
What happens to the width and height params declared in LayoutParams on configuration change? E.g. if I have an ImageView declared with,
new LinearLayout.LayoutParams(30, 40);
On Configuration Change, does the width become 40 and height 30?
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May 6, 2010
My app creates and shows an AlertDialog which accepts input from the user (the user needs to type some text into an EditInput).
With the AlertDialog on screen, if the user opens up the keyboard on the device, then the app's OnCreate and OnResume methods are called and my AlertDialog promptly disappears from the screen ... not the effect I was hoping for!
I thought that perhaps I needed to override the Activity's onConfigurationChanged method, but despite having the following in my Manifest:
CODE:.....................
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May 11, 2010
I am trying to set a RadioButton as checked/not checked through code. It is working the first time I set it, but the second time, the code does not set the button. Here is the relevant part of my code. I have commented on the problematic part. code...
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Aug 2, 2010
I'm developing an android app and need to know how to change the positioning of a progress dialog. I need it to be positioned at the bottom of the screen instead of at the center like it is by default.
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Jun 23, 2010
built a simple app that displays an alertDialog with two buttons.The problem is it's not getting dismissed when i change orientation. After change i get a leak warning on debugger and the dialog appears twice(pressing back hides the first dialog, only a second back dismisses it completely).
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Apr 15, 2010
Is it possible to change the font size of the detail message text in the Progress Dialog? Or will I have to create a custom Progress Box?
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Sep 7, 2010
I need to change the dialog's typeface to use an external font that supports some unicode characters. Unfortunately, there is no AlertDialog.setTypeFace() method available.
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Nov 4, 2010
Can i change color of button in alert dialog when touch in that button in android. How?
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May 13, 2009
I've just changed screen language on by G1. There was no support/bad support for typing polish letters on softkeyboard so I modified LatinIME by adding strings.xml and kbd_qwerty.xml for my lanuage. In android is also support for typing national letters using hardkeyboard. After pressing the key for about second small dialog with available alternative letters pop up. How can i change list of letters shown in this dialog?
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Feb 8, 2010
Is there a simple way to change the contents of a dialog box in Android without having to re-create the dialog box? I know that Activity.onCreateDialog() is only called once when the dialog first needs to be created, and this is where you initially set the dialog's contents. I need to change the dialog's contents later, so I'm wondering what is the proper way to do this.
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May 27, 2009
I have an app that communicates with a server.While it is communicating, it shows a progress dialog.The way this actually works is that I have a class that I call my Network Gateway.Each method takes a Handler as a callback so that the gateway can send back the response as a bundle when it has finished. Right now when someone changes orientation while a network operation is occuring, the activity doesn't know that a thread is running the network code and then the callback might be invalid.What's the right way to do this? I want to make it so that after the orientation switch, the activity can check something to see if a network operation is running and if so, display the progress dialog again and wait for the callback, or set itself as the callback handler now, invalidating the old one.My first guess is that this is exactly the kind of thing services were designed for, but I'd like specifics if anyone can supply them.
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Aug 9, 2010
I have a card game I created in android and it is possible to show the scores at any given time by clicking a menu option. I would like that scores dialog to show a different background image when it's loaded depending on factors like who's leading, etc. In my constructor, I have the following relevant code:
public ScoresDialog(Context context) {
super(context);
this.setTitle(R.string.scoresDialogHeading);
setContentView(R.layout.scores_view);
...
}
I have tried getting that view to change it in the showDialog method i wrote like so: findViewById(R.layout.scores_view).setBackgroundColor(Color.BLUE); However, I got a NPE... I tried moving this statement to the onStart method, thinking that the view is not yet initialized but got the same error... Any thoughts on what the right way to do something like that is?
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Sep 29, 2010
I download some data from internet in background thread (I use AsyncTask) and display a progress dialog while downlaoding. Orientation changes, Activity is restarted and then my AsyncTask is completed.I want to dismiss the progess dialog and start a new Activity. But calling dismissDialog sometimes throws an exception (probably because the Activity was destroyed and new Activity hasn't been started yet).What is the best way to handle this kind of problem (updating UI from background thread that works even if user changes orientation)? Did someone from Google provide some "official solution"?
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Jul 10, 2009
My program does some network activity in a background thread. Before starting, it pops up a progress dialog. The dialog is dismissed on the handler.This all works fine, except when screen orientation changes while the dialog is up (and the background thread is going). At this point the app either crashes, or deadlocks, or gets into a weird stage where the app does not work at all until all the threads have been killed.How can I handle the screen orientation change gracefully?
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Mar 27, 2012
I've done almost all things to look it like that of ICS, but now, the only thing I am stuck at is the Text Color of the Title of a dialog. I want to change it to blue like that of ICS.The above is the Dialog of the ICS Rom. Here, the text color of the Title of dialog is Blue. My framework-res.apk is from FroYo, so the Title text color of dialog is white there. This is thing I want to change.
I know that it's in values/styles.xml, but which style inside it?? I see "Theme.Dialog" inside it, there are the following lines:-Which thing under this I need to modify?? Is that @style/TextAppearance" or "@color/primary_text_dark/light", etc.
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Aug 9, 2010
I have a custom dialog box that asks for user input. Relevant code below:...............
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Jun 10, 2010
I am overriding the onCreateDialog and onPrepareDialog methods or the Dialog class. I have followed the example from Reto Meier's Professional Android Application Development book, Chapter 5 to pull some XML data and then use a dialog to display the info. I have basically followed it exactly but changed the variables to suit my own XML schema as follows:.................
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Apr 12, 2010
I have a dialog with edittext for input. when i click yes button on dialog, it will validate the input and then close dialog. However, if the input is wrong, i want to remain in the same dialog. every time no matter what input it is, the dialog always automatically close when i click button. How can i disable this. By the way, i use PositiveButton and NegativeButton for the button on dialog
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May 14, 2009
I have created an activity for my game which handles all orientation changes by itself and has a fixed "portrait" layout. Actually it uses the accelerometer and is rendered using 2D canvas methods. If the level has been completed I show up a highscore dialog in which the user can enter his name. The dialog is floating above the underlying level screen which gets blurred out nicely. This generally works.
Problem is that the dialog does not get rotated if the orientation of the phone changes. So even if the keyboard is exposed the dialog is shown in portrait mode instead of landscape. I have tried to use an activity with dialog theme instead but the behavior didn't change. After several tries it seems that I have found the reason for this: Once there's an activity with fixed orientation in the activity stack then all subsequent activities keep this orientation, too. They will not react on orientation changes anymore (e.g. if the keyboard gets exposed).
After upgrading to 1.5 SDK the described behavior changed a little bit. Now at subactivities indead react on orientation changes like expected. However, the need to have an opaque background! That means that neither dialogs nor activities with dialog theme will work. Those will stick with the orientation of the underlaying activity. So my workaround is to first start a sub-activity with an opaque black background. This activity then shows my highscore dialog on top. It looks quite okay but I wonder if there's a better solution? Is it possible to show a dialog above a fixed portrait or landscape activity which automatically adapts to orientation changes?
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Jan 25, 2010
I am having a problem about repeating Login dialog (an AlertDialog) and progress dialog, coordinating with http thread. I suppose repetitive Login dialog (if fail, continue) handling should be common and straightforward. I guess my approach must be wrong somewhere. I already spent 2 days on this and am desperate. So please help. User starts the app, the main activity starts.Show a login dialog (generated by the main thread, i.e. from on Create. The main thread then starts a wait_thread, which will wait for http to return data and check the data and decide what to do.After user input username/password and press login, a progress dialog starts.The progress dialog starts an http_thread to talk to the server and get replies. Once done, it will notify the waiting thread.If the user type in the right username password first time, the code works fine.But it always fail for 2nd time Login, i.e. When first login fail(wrong username/ password),the wait_thread will generate 2nd Login dialog to let user repeat the login process. But after user hit the login on this 2nd Login dialog, the system always crashes.
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Dec 29, 2009
I want to make a custom Dialog,because i donot like it"s style,i want get a rounded rectangle rather than rectangle . i know to implement it by theme in Manifest.xml . for example :the code
at activity write:
CODE:............
My question is how to implement this Similar result by extends dialog or alertDialog.
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Aug 13, 2010
I'm trying to get my list view to open up an alert dialog to display information when a person clicks on a selection. I have been trying several different things on the Google Developers website that have to do with this but have yet to come up with a result. Here is my code. package table.periodic;
import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.Context; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.AdapterView.OnItemClickListener;...........
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Apr 14, 2010
how to create an Alert dialog in a dialog? is it possible to create? My requirement is to show mulitple dialogs simultaneously. I tried creating with the following code snippet onClick of a Button in the first Dialog and got an "BadToken" exception from WindowManager: "Unable to add window -- token null is not for an application"
AlertDialog.Builder builder = new AlertDialog.Builder(getContext()); builder.setTitle("Test Title"); builder.setOnCancelListener(new Dialog.OnCancelListener() { public void onCancel(DialogInterface dialog) { dismiss(); } });
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Sep 2, 2010
I have a really weird problem, which I am unable to debug so far. thing is. my app needs to download something to work. So in the beginning of the onCreate() method, I check if that something is already downloaded. If not, I pop a dialog up asking the user to download it.My dialog is shown and I am clicking, so aManager.install() is called. I am passing the context because that aManager.install() pops up a ProgressDialog to show downloading progress and spawns a new thread in which everything is downloaded. So obviously before creating my dialog I make a Handler to receive the response from that aManager.install(). And the response MAY vary, because for example the internet connection isn't available (Exception raised and catched and listener called with different code).Now, when that happens (Exception) I would like to call another dialog saying "something went wrong, would you like to retry?" so another call to showDialog(DIALOG_REINSTALL) (this time with another code).thing is the showDialog() gets called (I can verify this by logging) but the dialogs doesn't show up. Instead my application JUST HANGS Does someone have a clue why it's doing this? No exception raised, absolutely nothing from logcat, I can't tell WHERE it's hanging...just see that the method is called and the dialog should be displayed.
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Sep 23, 2010
I am trying to run example of facebook android sdk , in that i have run stream example to fetch the
data from facebook. Now hen ever i click on "fconnect" button to log in into facebook i am getting following dialog box. so is it possible to replace this dialog box with following to make it simple ?
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Oct 6, 2010
I would like to know if the Android handsets can be configured Over-The-Air; in other words, if they can be configured for settings (such as GPRS , WAP or MMS ...) using OTA. If yes, do they support OMA CP provisioning? Is there an XML example that can be used to configure the Android devices?
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Nov 24, 2010
I have a simple Android application that loads a page in a WebView, then most of the real work is done by the server-side scripts. Everything is working great, except that I currently have the page URL hard-coded in the Android application, sort of like this:
mWebView.loadUrl("https://www.my-application-url.com");
This was fine until this morning when I was asked to to make it so that the user is prompted to enter the URL the first time the application run, and the URL that is entered by the user is then saved and used automatically by the application from that point onward. I was also asked to make it so that the user can change the URL if they choose to do so. The reason I was asked to do this is so that users can install the server side of the application on their own servers and my Android application will be able to connect without me having to write a custom version for each user, with their URL hard-coded into the application.
I am unsure what is the best way to handle this in Android. It seems that I probably need to add some type of configuration interface to the application that is shown by default on the first run, then only when the Menu button is pressed on the following runs. From this configuration interface I guess I would then get the URL from the user and serialize it for future use. What is the best way to accomplish this?
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Jul 19, 2010
I've only owned an Android for 6 days (Samsung Galaxy S i9000) and one of the first things I installed was Juice Defender, having used iPod Touch extensively, I know how heavy on battery things like WiFi can be. Anyway, JD makes the phone really really leggy. It can take a minute sometimes (literally, 45-65 seconds) for the JD screen to come up when launched. Similarly when waking from sleep it takes ages for the data connections to become active again. Have I misconfigured JD? Is it really this slow and creates this much lag? Does it just not like the (fairly new) i9000? I've just uninstalled it there right now (left Ultimate Juice on) and the phone is much snappier. It's like using it for the first time. Which, considering JD was installed in the first half hour of my owning the phone, it kind of is. What I really wanted was the WiFi on/off according to cell tower location data so I can have it go on and off when I leave the house. Guess it's no real biggie. Having limited background data (e.g. the 2 mins per 15) is handy too. Are there any other apps which have JD functions - even if more limited in scope - that I can try?
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Oct 4, 2010
Having some trouble getting handcent configured right. I want it to only show the notification in the top status bar and the dock. I do not want the popup window. Can someone tell me which settings to use? I have tried everything and cannot get it right.
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