Android :: Android - Dynamically Creating Controls And Orientation Change
Jan 29, 2010
Currently I am working on an Android application that is dynamically creating controls. Everytime a user would click a button a new EditText appears below the button and the user can interact with the EditText. However if the screen orientation changes, the EditText's that the user created also disappears.
Code sample of user creating a EditText: (located in a onClick(), p is basic layoutParamas, and layout is a LinearLayout located undearneath the button).........
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Oct 27, 2010
I have a ViewGroup that gets inflated dynamically. I have set Id's to all the inflated views. I am still not able to retain the inflated ViewGroup whenever the orientation is changed. Any particular check that i am missing here ?
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Mar 15, 2010
Is it possible to write an Softkeyboard without XML or is this the time I'll need it?The idea is: I have an Arraylist with buttons which have a specific position in the layout, height, width, text etc. Those buttons should create my keyboard by converting them into keys.If this won't work, my second idea is, to write a XML-File out of Java.I wonder if one of these ideas are possible.
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Dec 13, 2009
In my main.xml layout file, I define a FrameLayout. Then in another layout file (say overlay.xml), I define another layout.
At runtime (onCreate) I want to create a new View object, set it's layout with overlay.xml, and add it to the frame dynamically. I need access to the elements of the overlay, to change text etc.
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Jan 13, 2010
I'm creating buttons dynamically.
for(int i=0; i<colSize;i++){
final Button btn = new Button(this);
btn.setText(SectionName[i]);
btn.setTextSize(10);
btn.setPadding(8, 3,8, 3);
btn.setTextColor(Color.WHITE);
btn.setTypeface(Typeface.SERIF, Typeface.BOLD);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//***Every time that I click my button is selected !:)
btn.setSelected(true);
} } );
}
But how could I deselect the other buttons that were selected, I just want one Button selected!
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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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Jul 8, 2009
I am trying to load textView and CheckBox view dynamically to a LinearLayout. i am getting some Orientation problem while doing the same.I want these two view in a single row but i its coming as in different raw.
Below is may code:
CODE:..............
layoutxml is
CODE:..................
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Mar 9, 2010
Is it possible for my android application to dynamically adjust the no of column and no of row of my TableLayout based on orientation?
For example, when in landscape mode, the TableLayout is 3x2 and when
in portrait mode, the TableLayout is 2x3?
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Aug 26, 2013
I have "Class Checkin's" Which have a max amount of people who can be checked in. So on my application I have the Class Time and under each of these class times, I want to have a horizontal progress bar that adds one to the bar each time someone checks in (On my web application I am using jquery .progressbar).
Currently I have the following:
HTML Code:
private void createProgressBar(ArrayList<Integer> array, Integer maxProgress){
View BoxProgressLayout = findViewById(R.id.BoxProgress);
Iterator<Integer> iterator = array.iterator();
while(iterator.hasNext()) {
ProgressDialog progressBar = new ProgressDialog(BoxProgressLayout.getContext());
progressBar.setCancelable(false);
progressBar.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressBar.setProgress(0);
progressBar.setMax(maxProgress);
progressBar.show();
}
}
In order to add the progress bar to my Progress layout. But the progress bar doesn't appear on the page. Is this the best way to go about this? or am I going to have to draw my own progress bar that increments and fills by a percentage each time someone checks in.
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Nov 13, 2010
I'm trying to make an android app (I'm new in the Android programming world), and I'm having problems creating the GUI. The point is that I get information of some data that is divided in days... The problem is that I don't know, until I retrieve the information, how many days the GUI should display.
The grey part will be a TextView, and, also, the black part will be another TextView with multiple lines. So, the point is, how can I do to have multiple TextView's without knowing before the exact number? I suppose that I can't declare them in the layout.xml. The only solution that I've been thinking about is to create in the layout 7 pairs of TextView and, when I know the exact number, just use what I have to, and don't use the others... (It's a bad solution)
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Jul 30, 2009
I have a notification that starts my activity and passes a messages using the intent's putExtra() function. The message is then displayed to the user in the activity's onCreate function. When the application is restarted due to a orientation change, the message is shown again as it is still in the intent's bundled data.
How can I remove the extra data?
I tried the following:
Bundle bundle = getIntent().getExtras();
if (bundle.getBoolean("showMessage")) {
// ... show message that is in bundle.getString("message")
// remove message
bundle.remove("showMessage");
}
But the message will still be shown after the orientation changed, seems like the intent used is not the one I changed, but the original one. The only workaround I found is to save the showMessage additionally in onSaveInstanceState(). Is there another way? Or is this the way to go?
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Jul 22, 2010
I have a widget which has say, a dimension of 294*72(portrait). But when the orientation is changed, I need to change this dimension of the widget to another dimension which would look good on the landscape orientation.
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Apr 21, 2010
How do I change the size of the controls placed in a layout? (by any method) I tried to change the height of an EditBox ->setHeight(10); doesn't seem to work.
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Jun 8, 2010
I have an image set as my background and when it is vertical, the image looks fine. However, when the orentation is changed, the image get streched out. If there a way that I can change the image based on the orentation of the device?
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Dec 22, 2009
Accoding to emulator Resolution how to change the activity(Screen) controls size according to screen Resolution in android ? i have screen design like below. it is working in HVGA(320x480) resolution progressbar is coming bottom of screen but if i run in other resolution emulator VM (WQVGA432 - 240x432) i am getting the progressbar middle of the screen. i am not able to fix the in permenent(fixed) position. i am using below code in manifest file but no output
android:normalScreens="true"
android:largeScreens="true"
android:anyDensity="true" />
i am not getting the solution so please give some idea for resolve the issue.
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Feb 18, 2010
I have three tabs in my Application. On an event under one Tab, i want to change the title of an another existing Tab. This is the title that we provide while adding the tabs to the TabHost.
Eg: TabHost.addTab(tabHost.newTabSpec("Tab2")).setIndicator("I need to be Changed dynamically").setContent....
In the above example, the title of the tab2 that i provided under setIndicator(), should be changed dynamically.
Is there any way to accomplish this.
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Oct 15, 2010
I have an Android application which has four tabs (I use a main TabActivity with TabHost and TabSpecs).
In one of my sub activity (activity opened in a tab), i need to open a tab not by clicking on the tab title and i don't know how to do this.
For example, i have a button in my activity and when i click on it, it opens a different tab.
For the moment, it is what i do:
Intent intent = new Intent(myActivity.this, myTabActivity.class);
intent.putExtra("ComeFrom", true);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
Then in the TabActivity, if i get true reading the "ComeFrom" extra i open the wished tab but the problem is that it kills all the other activity. So, if someone knows a better (cleaner) way to do that trick.
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Mar 24, 2009
I have a tab activity with 3 tabs. Each tab has a default icon.
I want these icons have to be changed dynamically on each tab selected.
I mean, each tab has two icons, one for on tab select, another for on tab deselect.
Can any one please suggest me how to do it?
Here is my sample code...
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May 26, 2010
Is it possible to change the name of the application name dynamically? I want to keep a certain name like XYZ free when my application is free and XYZ Pro when the user has paid. So is it possible to change the name of the application dynamically?
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Sep 23, 2010
Im using a custom listView with a Title and a Subtitle where you can read a brief explanation of the item.
For each item on the list, im displaying an alertDialog to select an option (different for each case). When the option is selected, i want to change the Subtitle for the option selected by the user.
This is what i tried:
CODE:.....................
For the first item on the list it works fine, when i select an option, the subtitle get replaced by that option, but when i make a selection in the alertDialogs of the other 2 items, the option selected replaces the subtitle of the first item!
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Nov 18, 2009
we are designing the page and we need to change background image dynamically.Is there any way to load(or change) android application background image dynamically?help me from come out this problem?
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Jul 4, 2009
I am working a widget... I'd like to change my widget background image dynamically, is it possible? I tried theme & style, it doesn't want to work. It doesn't show any background image (see code sample below). I tried RemoteViews.setImageViewResource on an ImageView filling the widget, but i doesn't strech my 9patch image correctly (and it doesn't seems to change background, it add another image). Is there a solution? Additionnal question : is it possible to use an external (sdcard) 9patch image as background? if yes: how?
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Sep 22, 2010
Is there a way to dynamically change the size of a widget? Can an app have multiple widgets?
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Mar 16, 2010
I am trying to develop a simple application where users need to answer certain questions. I want that the textview should be changed dynamically in the same activity with sliding to left or right animation.
Can someone let me know how to do this?
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Jul 1, 2010
Is it possible to change the style of the progress bar dynamically in the code?? For instance I do some work and progress is shown by the horizontal bar, and after the work is done I do some other work but want to present it by the Vertical bar. Can I change the style of a single bar in the code or do I need to put 2 of them and manipulate the visibility ?
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Aug 2, 2010
I want my arrows to continuously move left and right with a delay of certain milliseconds dynamically. Any clue?
Here's my code...
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Jul 14, 2010
When we create a new activity, in the Android.manifest file, we can set some text for the activity's label. It looks like:
<activity class="MyActivity" android:label="Some text here!">
Is there anyway to access that programatically and change it during runtime? Regards Dileep
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Aug 18, 2010
How to dynamically change the background LinearLayout?
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Nov 2, 2010
I'm looking for a way to dynamically change an elements properties.
For example I want the user of my app to be able to enter a value within my program that will change android:layout_marginTop="blabla" to whatever I want. It doesn't specifically have to be that property, I want to be able to change any property of any element. Is there a way to do this?
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Jun 25, 2010
I have created a custom Button class and I want to be able to change its width/height depending on some factors in addition to the content width/height. How can I do this?
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