Android :: Modal Loading Dialogs Not Good UI Decision?
Jul 29, 2010
I've read on Reto Meier's blog that he doesn't recommend the use of modal "Loading" dialogs in Android applications. Is this a general consensus among developers? If I have a login screen what should I display when the user tries to sign in? Until now, I have used a "Signing in" indeterminate progress dialog. Should I use the application's progress bar? Should I use a Toast? And, in the general case, when should I use dialogs and when not to?
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Feb 8, 2010
I decided to share the solution i found to the problem of Android not supporting real modal dialogs.The solution was to draw the dialog by myself. :-( Well, at least worked fine, besides the problem that its a bit ugly.
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Jul 4, 2010
I am thinking of buying an Android phone. Which would you suggest at the moment?I am thinking about Galaxy S and Xperia 10.Maybe also HD2 (even if its not android)
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Jan 17, 2010
I am new to Android. How do I popup modal dialog? By modal I mean I call something like showModalDialog function and it will not return until the dialog is closed and I can get what button was used to close the dialog.
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Mar 2, 2010
I am trying to put together a modal box with a scrollable list of checkable items and an OK and Cancel button at the bottom for the user to select filters from. It seems the simplest way to do things like this in Android is to reuse API components (widgets, layouts, etc) and the closest one I can find to this looks to be the ListPreference, which basically does exactly what I want (I can even work with storing the data in SharedPreferences). The problem is that I'm not launching this modal box from a PreferenceActivity, but rather will be launching it from either of two activities: a ListActivity and a MapActivity.
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Feb 11, 2010
A button on our screen causes an activity to be shown that has a "dialog" theme. We are having an issue were if you click the button quickly twice in a row, the dialog activity is opened twice.
Typically I would expect that when a new activity is started, the underlying activity is immediately stopped, and thus accepts no further input.
However, since the dialog themed activity does not take over the whole screen, I think the underlying activity is only paused, not stopped and thus the buttons are still accessible.
Which brings me to my question... Is there a way to force the dialog themed activity into a modal state where the user can't click the buttons on the activity below?
I could probably manually accomplish this by disabling everything in onPause, and reenabling it in onResume, but this seems like a lot of work!
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Mar 9, 2010
I would like to show a modal progress "wheel" overlay on my view.
The ProgressDialog comes closs, but i do not want the dialog background or border.
I tried setting the background drawable of the dialog window:
CODE:............
But to no avail (i.e. still looks the same as without the ...setBackgroundDrawable code).
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Apr 7, 2010
As all of us have been seeing and reading issues regarding X10. Let's sum them up. Let's be more precise about what is a real deal-breaker.
1- Absence of "Multi-touch" has really made people change their decision.
2- Some people are worried about the screen resolution.
3- Android 1.6 is an issue as well.
So, please give your opinions about these issues, how important they are to you and how they are deal-breakers. Any other issues faced by the X10 owners.
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Sep 7, 2010
A lot of Android apps now display a modal dialog with the changelog (text) of the application (what's new in the latest version) the first time after it is installed or updated.
Does any one have example code on:
How to display a nice modal dialog suitable for scrollable text
How to make sure the dialog is only shown once
For 2. I assume SharedPreferences can be used for defining a preference "hasChangeLogBeenShownForVersionX" that is updated after the dialog has been shown. (though there might be a better way
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Mar 5, 2010
I'm doing an APP that shows some dialogs. Those dialogs are Alert dialogs, and when they are being showed if I change the orientation of the mobile I lost them...they are not being kept on the screen.
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May 31, 2009
I have 6 options to put in options Menu, but 3 of them are not so important and i want to hide them in submenu. All of my Activities are started from one ActivityGroup which creates Menu on MENU button press. Problem is that when I open SubMenu or Dialog (which is created and displayed by ActivityGroup) my current foreground activity makes onPause, onStop and onDestroy, and when I close this submenu (using "back" key) or dialog (by "ok" button for ex.) I don't have any response (onCreate, onResume) from any of my activities registered in LocalActivityManager.
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May 4, 2009
I want to display a fancy 'loading' image at my app's startup time.
The problem: my startup code is mostly GUI related, hence needs to run on UI thread.
Is there a way to do both - that is run UI-related code on UI thread while an image is displayed to the user?
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Apr 26, 2010
I have tried to make a series of dialogs, like a questionnaire, that the user needs to answers a series of questions selecting one or more checkboxes. I can do one, just fine, but when I try to make more than one question (lets say 10), it does not show, or show all the dialogs. I tried using dialogs or new acitivities.
So, my problem is I have multiple questions, one to be presented each time, and I need to wait for one to be responded so I can ask the next one. How do I accomplish this?
My first attempt was with a dialog box... but obviously it got all the boxes stacked in each other:
CODE:.................
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Feb 5, 2009
I intended to show a dialog in a service process, then I tried to use the AlertDialog but got the below error message: WindowManager$BadTokenException: Unable to add window -- token null is not for an application The reason seems to be that the dialog is not used in a application context (activity should be fine?) Was there any way that can solve this problem?
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Jul 14, 2009
I'm facing the same head-scratching moment similar to what this person (from Jan 2008) experienced when I realize that there is no cancel button in Android's progress dialog or spinners. It is now July 2009 and I've just installed the cupcake version of Android. Has this thing changed ? If not, are you adding a cancel button into the dialogs and how do you do it ?
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Sep 24, 2009
I wonder what is the right way to implement this? Could anybody advice whether my solution is correct?
So:
Activity is created
User clicks on button and dialog is launched (Dialog, not dialog styled activity)
User opens keyboard
we have onSaveInstanceState called where we save that our dialog was opened and all respective dialog input
we have onRestoreInstanceState and here we check whether dialog was shown, recreate the dialog with respective input.
Is it the right approach? or there is smth. that is done by Android and I am doing some redundant actions.
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Jun 25, 2010
I use the AlertDialog class in my application. By default, these alert dialogs have a transparent background. I'm trying to use an opaque background instead, very unsuccessfully.
These are my styles:
CODE:....................
I applied the "MyOpaqueActivity" style successfully for whole activities (the window background is changed to "my_background"), but it doesn't work for alert dialogs within those activities. The "alertDialogStyle" attribute and my "MyOpaqueAlertDialog" style don't seem to have any effect.
So how can I change the background of these alert dialogs?
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Jul 22, 2010
I am trying to create a map application and I need to do something similar to what Google Maps does. I want to open show a list of locations and when user taps on them I want to show a dialog.
I was able to do it till here. But now when the user clicks on the dialog that opened I want to show another acttivity with the details of that item that they clicked on.
I tried to start a new intent but it gives me an error.
Here is what I am doing
CODE:..................
Here is the stack trace
CODE:........
Why am I getting this error and how can I resolve this and open a new activity? Also where can I find the source code for the google maps on android?
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Sep 30, 2010
In my activity, I show a dialog under some condition like this:
CODE:.......................
My question is what do I need to do to ensure there is no resource leak? From the logcat, i see there is a case where it said a window is leaking or something like that.
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Nov 18, 2009
I am rendering an EditText as one element of a list-style AlertDialog (which is backed by the default ListView implementation). I sort of expected that this circumstance would not change the behavior of EditText, but it does: a click on the EditText does not spawn the soft keyboard anymore.
After an hour of messing around with focus settings and click handlers I got fed up and debugged into InputMethodManager.showSoftInput(), and found this:
CODE:....................
The problem here is that mServedView is the ListView that's backing the dialog, while view is the EditText, and ListView.checkInputConnectionProxy() does simply return false in the default implementation of ListView (to be overridden by subclasses).
Worse, I couldn't find a way to set a custom ListView which allows proxying IME reuqests; AlertDialog.Builder.setView() accepts a custom ListView, but this is not the ListView that InputMethodManager sees.
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Jun 22, 2010
i want to display a dialog in my android application where certain TextViews in the layout need to have content set during runtime. while showing the dialog itself is no problem at all, accessing the TextViews via TextView.setText(String) crashes the application.
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Sep 17, 2009
I've had this problem in a few different apps now and I can't seem to find a solution.
If, in the onCreate() of an Activity, I start an activity that uses the dialog theme it doesn't draw anything to screen... the whole screen stays black. All the views are there (e.g., I can tap where an EditText should be and it'll give me the keyboard), they're just not visible. code...
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Jun 13, 2009
Does anyone know how to make a dialog fill the screen width in landscape mode? Setting the layout's width to fill_parent doesn't do it. It always comes up portrait width, or something suspiciously similar.
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Feb 14, 2010
I have HTC Hero, and i see that TimePickerDialog and DatePickerDialog were changed by HTC (they look different than those in the emulator). My question is how can i change such system level dialogs?
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Mar 31, 2009
I am rendering a ListView inside a dialog. The ListView elements are very simple TextView objects. The problem: whatever I do, they never take the full width in the list view, which has the side effect that the list view selector only covers the actual text, not the whole list entry (i.o.w., if the text of the entry is much smaller than the width of the listview/dialog, then only a tiny portion of the list element is highlighted when focusing it).
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Sep 24, 2010
I'm currently learning android and java, and I am having some issues with importing a java file.
I am working with the time and date example in the android api demos, and I want to put all the code relating to creating the time and date dialogs setting the values etc into a separate java file, and in my main java file run when the application starts, just declare the buttons and onclick events.
What is the best way to do this? Do I need to put all the code inside a class(that extends activity) or method? How do I use this inside my main class. Code...
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Nov 2, 2009
I've looked through the documentation and I can't seem to figure out how to have the screen blured/greyed when I select an activity that may take a while to load.
This seems to be an Android standard (both the Camera app and the Camcorder app do it when first selected), but I don't see any documentation on it. I even tried looking through the source of these apps on git, but couldn't seem to find it.
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Oct 28, 2010
In the method "OnCreate" of my actvity, I'm displaying a little progress dialog while loading data. It's done every time the "OnCreate" method is called so even when the screen orientation change. In the nominal case, there is no problem even if the user change the screen orientation.
But, if the user opens another dialog (used to select an item in a list), then change the orientation, the progress dialog is displayed behind the "list" dialog and is not impacted by the "removeDialog". Do you have any clues on that behavior?
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Oct 29, 2010
Go the original orange rom on my san fransisco...after deleting soe of the orange apps...cant browse the wap..when i click on the internet icon on my main screen...the screen remains white..no orange homepag..however i can access market and youtube...how do i reinstall the default web browse..dont really wanna reset to factory settings...?
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Dec 24, 2009
I see the following in the official description of the ADP2:
Modify and rebuild the Android operating system, and flash it onto a phone.
I'm not able to find anywhere a downloadable 2.0 or 2.0.1 for the ADP2, nor any indication that it could be done. To the contrary I see all kind of discussions suggesting it's either not possible, or at least not YET possible.
May someone please explain a developer withOUT any Android specific background, what is so difficult in uplading a new version of an O/S to a device that's specifically desgined for such purpose?
Do I really need to wait for HTC?
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