Android :: Adding View On Runtime To ViewFlippers

Nov 24, 2010

I have defined two views ExampleView1, ExampleView2, ExampleView3 and ExampleView4 in resources. In my Activity I have an empty ViewFlipper. Based on doing some logic I want to add either ExampleView1 and ExampleView2 to the ViewFlipper and show the view. Later I want to add based on internal logic either ExampleView3 and ExampleView4. How do I do this?

Android :: Adding view on runtime to ViewFlippers


Android :: Adding View To Bottom Of Layout Inside Scroll View

Mar 10, 2010

So my layout looks basically like this:
<ScrollView>
<RelativeLayout>
<BunchOfViews/>
<ImageView android:layout_alignParentBottom="true"/>
</RelativeLayout>
</ScrollView>
I have the ScrollView so all of the layout always is visible no matter the height of the screen. The problem is that on a very high screen, I still want my imageview to be at the bottom. However, a child of a ScrollView dont seem to have a defined bottom. The View is placed at the top of the layout. How can I solve this problem in a neat way?

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Android :: Adding Child View At Particular Location In Parent View

Mar 20, 2010

I need to draw a child view containing a rectangle and button on top of the content view at particular location on the parent (content view). How can I do this? Did not find an explicit way to set origin of child view?

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Android :: Draw View At Runtime?

Mar 29, 2010

I'm just getting started with developing for Android. I'm looking to port one of my iPhone applications, but I'm kind of at a loss for how to draw a view at runtime (a view not declared in the XML). Basically, I want to draw a simple rectangle, but then be able to manipulate its frame after being drawn. Sorry if this is a really, really simple question, but I can't seem to find some equivalent to the iPhone SDK here.

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Android :: Add Scroll View For Particular Row In Runtime?

Aug 9, 2010

In my tableview i need to add the scroll view for the particular rows . Is there any way to create like this in android?

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Android :: Any Way To Set Style For View At Runtime?

Sep 3, 2010

Is there a way to set a style for a View at runtime? I've seen this question a few times on the board here but no answers, so probably not:

<ImageView android:id="@+id/blah" style="@style/mystyle" />
// later... ImageView iv = (ImageView)findViewById(...);
iv.setStyle(R.style.myotherstyle);

Is it not possible to do something like this? We have to manually change everything in code instead?

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Android :: Insert Image In View At Runtime

Mar 4, 2010

I have to insert, at runtime, an image in an ImageView. I haven't it in local, but i can get it from an URL.

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Android :: Convert Button To Text View At Runtime

Jun 4, 2010

Is it possible to convert a Button into a TextView onclick during runtime?

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Android :: Change Background Image Of Dialog Or View In Runtime?

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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Android :: Way To Specify Thumb Drawable When Custom View Created At Runtime?

Apr 3, 2010

I'm creating custom View that shows when necessary scrollbars. already figured out that i need to call initializeScrollbars(TypedArray) method but have no idea how to specify thumb Drawable when my custom View is created at runtime (not from xml layout).

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Android :: Adding A Custom View Through XML

Apr 22, 2010

I was attempting to add a custom view in XML, but I kept getting force closes. It works fine when I just find the parent and use addView() so it isn't the code. I'm pretty sure I'm just getting the constructors wrong. Does anyone have any experience with this?

Here's what I've got:

CODE:................

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Android :: Adding Views To Another View

Oct 9, 2010

Is there a possibility to add a view or derivative (button, textview, imageview etc...) to another view without having to go through layouts?

I have a class called ScreenView, it derives from View (e.g. public class ScreenView extends View).
I wanted to display text into it, labels, images etc..

On an iPhone it's trivial, simply create my objects and use addSubview method ; you can embed any UI objects into another. Most UI toolkits work that way too.

Problem with layouts is that I haven't found an easy way to properly position a subview (say a text view) in a given location of the enclosing View. I want one to contain the other...

I was hoping I had missed something in the documentation (which is far from being intuitive that's for sure) and I could do something like myView.addView(subview). But it ain't so :)

As a side question, what is the closest to iPhone's UILabel in the Android world?
A UILabel can contain a text or a graphic. Right now I've been using TextView and ImageView but they aren't anywhere as flexible when it comes to layout as a UILabel

Edit: Making my View inherit from ViewGoup instead, let me add subview..
However, I want to draw in my view. I found that when ScreenView extends ViewGroup, the onDraw function is never called then.

Something like:

CODE:..........

Would paint in yellow my view if ScreenView extends View ; but not if it extends ViewGroup.

How do you draw directly in the view then?

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Android :: Adding Scrollbars In A Custom View

Mar 5, 2010

I am working on adding vertical and horizontal scrollbars in a custom drawn View. I have overridden the compute*ScrollOffset, compute*ScrollRange, etc methods and have enabled the scrollbars by called set*ScrollBarEnabled. However, I do not see the scrollbars in my View, even after a call to scrollBy, which according to the documentation calls awakenScrollbars (I assumed awakenScrollbars is not required as the scrollbars do not auto-fade - isScrollbarFadingEnabled returns false).

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Android :: Refreshing LinearLayout After Adding View

Mar 18, 2010

I'm trying to add views dynamically to a linearlayout. I see through getChildCount() that the views are added to the layout, but even calling invalidate() on the layout doesn't give me the childs showed up.

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Android :: Reg - Error In Adding View To ViewGroup

Nov 25, 2009

I am trying to add a view to a viewgroup but I am getting the following error when I run the application

Error: E/AndroidRuntime( 570): java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first. Code: public class ExampleApp extends ViewGroup{

private LayoutParams mLAyoutParams; AlbumArtImageView mAlbumArtThumnail;

static final String TAG = "ExampleApp";......................

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Android :: Adding Item To View Programatically?

Nov 8, 2010

I am trying to find out how I can add an item (from xml drawable/workaround_item.xml) in a LinearLayout that is vertically aligned.

CODE:.........

At the beggining I was trying to use a ListView but as far I as know there is a bug using listview inside a scrollview. I was doing this because i have more components on the view that should be scrolled together with the list view. So I decided to remove the listview and implement a simple linear layout where i will be adding each element bellow other and so on.

The layout for the activity is as folow (layout/workaround.xml) and i would like to start adding the elements below the top bar.

CODE:........

Thats my java code:

CODE:......

Thats the result i am getting: http://twitpic.com/3562yu

Does android allow us to do this? If so, Hoe can I add the elements and set their values? (this layout will be dispalying results of soccer games).

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Android :: Can't Touch On Screen When Adding View In Arrayadapter

Apr 19, 2009

I want to add some views in each row of list view. When I add text view and image view in getView() of ArrayAdapter,it works. But after I add other kind of views (like Check Box and Image Button...), I can't select the list row touching down screen directly, I only can select by key down, up and ok.

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Android :: Adding Live Background To View / Like Twitter App

Sep 22, 2010

In the official Twitter Android app, the opening activity (the dashboard) and the Tweets tab activity have a live background/wallpaper (clouds moving, etc).How do you accomplish that?Is it as simple as setting your view's background to a live wallpaper drawable?And then adding

<uses-feature android:name="android.software.live_wallpaper" /> to your manifest?

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Android :: Dynamically Adding A View To Activity Layout

Aug 18, 2010

I have a custom view (an extension of a TextView) that I want to dynamically add to my Layout (don't want to include it in the main.xml file).

The book says to fetch the RelativeLayout using findViewById() in my java code then create a new instance of my custom view, then use addView on the RelativeLayout to add the new view.

I'm not getting any errors, but when I click my button to add the new view, nothing is happening (view isn't being added). Do I need to set additional properties on my custom view (layout width, layout height for example) in order for it to be shown?

Adding code

CODE:............

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Android :: Adding GestureOverlayView To My SurfaceView Class - How To Add To View Hierarchy

Jul 30, 2010

I was informed in a later answer that I have to add the GestureOverlayView I create in code to my view hierarchy, and I am not 100% how to do that. Below is the original question for completeness.

I want my game to be able to recognize gestures. I have this nice SurfaceView class that I do an onDraw to draw my sprites, and I have a thread thats running it to call the onDraw etc .

This all works great.

I am trying to add the GestureOverlayView to this and it just isn't working. Finally hacked to where it doesn't crash but this is what i have

CODE:..........

The onGesturePerformed is never called. Their example has the GestureOverlay in the xml, I am not using that, my activity is simple:

CODE:................

So I am at a bit of a loss of the missing piece of information here, it doesn't call the onGesturePerformed and the nice pretty yellow "you are drawing a gesture" never shows up.

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Android :: Get Event Of List View Field When Adding Checkbox In Listview

Apr 21, 2010

i have problem to get event of list view field when i am adding checkbox in listview. my problem is to get the status of check box form every row of the list view, either it is check or not, according to that i have to do operation.

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Android :: Adding View Extending From SurfaceView To Layout Gives Blank Screen

Jun 5, 2010

I'm very new to Android programming, so this is probably something pretty basic. I just have an xml layout with a few buttons. I'm trying to follow the model given by the JetBoy demo, so I'm adding a view to the layout which extends SurfaceView. When this new view is put in my xml layout, I just get a blank screen.

Here's the XML layout if it helps. The gameview element is what causes the screen to be blank

CODE:......................

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Android :: Runtime Error Using Exported - Signed Apk But No Runtime Error Using Eclipse IDE

Mar 2, 2009

1) I am developing my app in Eclipse 3.4.1 with Android (ver 1.1_r1) plugin. My app compiles and executes without errors when using the Eclipse IDE.

However, when I export my app (unsigned) using Eclipse (via {select project} >right-click>Android tools>export unsigned application package), sign it, and try to run it on the Emulator, it throws a runtime error when I try to update my sqlite database, at which time the specific error created is: SQLite error#14, unable to open database. It is able to read from the database without problems. (I have also verified that the database is: open, is not readonly, is not locked by another thread, is not in the middle of a transaction.)

I have limited experience, but this seems more like a "system" problem given that the app works OK in Eclipse IDE but then fails as an exported/signed apk. Some googling of SQLite resources revealed a similar error on a non-Android platform which was fixed by: "Set your permissions correctly on /var/tmp, or whatever directory you are using to hold temporary files".

Does Android have temporary files, and if so how does it handle permissions on temporary files? Is there a way to check or set these permissions to see if this fixes my problem here?

2) Not sure if it is related, but after I have run the exported/signed app which causes the runtime error, if I reboot the Emulator, and try to run the program using the Eclipse IDE , the program fails with the same exact error. PLUS I also noticed the following error message while the program is installing/running: 03-01 22:22:29.282: ERROR/PackageManager(53): Package com.northwestradiology has mismatched uid: 0 on disk, 10019 in settings; read messages:

I can restore the Eclipse version of my program to be able to execute without runtime errors by utilizing the -wipe-data option for the emulator. But note that if I run my signed APK using an emulator created with the -wipe-data option, it still throws the runtime error listed above...

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Motorola Droid :: Adding Contacts To Phone W/o Adding To Gmail

May 3, 2010

I want to add a contact just to my phone and not to my gmail account.Whenever I start to add a contact (phone, 208544.menu, +contact, create new contact,) the next thing it forces me to do is to choose an account to create the new contact under and it lists my 3 gmail accounts.I have no option to just put it on the phone.Any ideas here?We do the same thing on the Incredible but it gives us the gmail account and the phone to choose from but not on the Motorola.

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Android :: Populate View Flipper Child View With List View?

Aug 2, 2010

I am trying to set up a ViewFlipper that changes a SlidingDrawers content each time a button is pressed. So far every view I set up worked fine, but now I am trying to create a ListView (including single_choice_mode) within a child view of the ViewFlipper, but my attempt only let to a NullPointerException. As I only discovered ViewFlipper today, I am not yet familiar with it and may not have understood it completely. if someone could give me a hand and help me find out what I have done wrong, that would be great. Here is what I have done:

The code for the onClick event of the ImageButtons:
public void onClick(View v){
if (v == btnExposure){
mFlipper.setDisplayedChild(0); }
else if (v == btnProperties){
mFlipper.setDisplayedChild(1);}
else if (v == btnSpecialEffects){
mFlipper.setDisplayedChild(2);.............

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Android :: Know The Db Size At Runtime?

Nov 12, 2010

i'm trying to know the database space available. In J2ME you have getSizeAvailable(), but there is no direct replacement in Android, so i thought about doing getMaximumSize() minus database size, the thing is i just can't find a way to know the db actual size, at runtime.

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Android :: How To Add Items To ListView During Runtime?

Aug 30, 2010

How to add items to a ListView in Android during runtime?

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Android :: Create Rows At Runtime

Oct 15, 2010

I want to create n number of rows at runtime after clicking button and 2 number of columns for each rows. I had tried but can't succeed. Anybody knows how to do this?

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Android :: Is Runtime Mapview Defining Possible?

Jun 26, 2010

I've been trying to use a mapView in my app, and have been following the tutorial; http://developer.android.com/resources/tutorials/views/hello-mapview. Code...

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Android :: Application Checksum At Runtime

Sep 19, 2010

As an additional anti-pirating strategy, I'd like to compute a checksum on my application at runtime. Since my app communicates with a back-end server, I can send the checksum with each message and the server can deny service to altered apps. Not a complete solution to piracy by any means, but a fairly easy way to raise the bar. Anyone know how an app can get access to it's load image at runtime?

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