Android :: How To Get Android Widget's Size After Layout Is Calculated
May 19, 2010
I have a layout which specifies sizes of widgets in relative dimension, for example:
CODE:..............
Immediately after onCreate, I want to know how much is the height of the ImageView. How to do that?
If I call getHeight() in onCreate, I get 0.
I have also tried imageView.postDelayed, it works on 2.1 emulator but fails on 1.5 emulator (I got 0, too).
Finally, I tried to create a Handler, and then I call handler.postDelayed with 10 ms delay. It works in both 2.1 and 1.5 emulator, but failed when I start the program in eclipse debugger (So, I conclude that using the delay doesn't guarantee that the getting of the height happens after the imageview is layout-ted.)
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Sep 9, 2010
I am trying to make a widget to show on the home screen(s). My problem is lets say I set my icon to 30x30 when I load the widget on the screen the Icon is the correct size but the layout itself takes up a lot more space than what is actually needed. This means that I can't really place my widget next to other icons on the screen. Its like the bounding box is 3 times bigger than the content that fills it.
Here is my XML
[CODE]
I have tried wrap_content and other width/height settings but nothing seems to reduce the "Box" around my widget content. I clicked on my ATK widget and started to drag it around on my HTC Aria and it shows the bounding box around the widget and that one is the same size of the content inside same with all the other widgets on my screens.
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Sep 18, 2010
I have the following layout defined: code...
now i want to get the height of the RelativeLayout (i want to specify the height of its children programatically) code...
but the size returned is 0. How do I get the size of the RelativeLayout (it's mostly pseudocode above, but both layout have a height/width of "fill_parent" in the xml)
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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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Feb 5, 2010
The Android Market Developer Console shows two numbers for your submitted application; "total" and "active installs".What exactly does the "active installs" number mean?Is it affected by application upgrades? Does that yield a "total" of 1000 because the APK was downloaded 1000 times but an "Active Installs" of 500 (50%) because, in the end, only 500 people are running the app? Does an upgrade get counted as an uninstall followed by an install?
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Aug 12, 2009
I want to place three button on the bottom of screen. I place these button in a linear layout and sets its gravity bottom. Currently these button wrap according to their labels so have different widths. But I want these button equi size. Means all three button should have same width (without using fixed widths).
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Nov 11, 2010
I am trying to develop an app for which I want multiple screen support. I have read the Android article on Best practices for Multiple Screen Support. As per the article we have to follow 3 important things:
1. Mention support for different screen sizes (large, medium and small) and any density in AndroidManifest.xml.
2. Place images of 3 dpi's (120, 160, 240) in 3 folders res/ldpi, res/ mdpi and res/hdpi.
3. In layout's the dimension should be mentioned in "dip" units. Then Android will take care of the scaling on its own.
I have implemented all these points in my project. The images are picked up correctly from the appropriate folders. But the arrangements of the controls in not same. e.g. I ran the app on three emulators 1. Resolution 240*320 dpi 120. 2. Resolution 240*320 dpi 160. 3. Resolution 240*320 dpi 240. (All the emulator have same resolution but different density). The problem is the position of the controls is not same on all the three emulator. As per my understanding if the android:layout_marginLeft and android:layout_marginTop are mentioned in "dip" then this problem should not occur. As the density of the emulator increases the controls get placed more towards the right. Is it necessary that I provide layouts for all combinations of dimensions and density i.e. in layout-small, layout-large, layout- medium, layout-long,layout-notlong?
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Oct 5, 2010
Every time that I want to do a Layout, I'm getting a black layout preview then I can drop stuff on it, that's ok, but how can I change the size of that blank surface (xml). The question came because I set a folder layout-large and then when I add a new layout.xml to that folder it came with the same size, as a layout-normal.
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May 12, 2009
I'd also like a way to change the default, if possible.
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May 18, 2009
I define once in my /xml/widget.xml the minwidth. but what can i do when I need to inflate different sizes from my widget layouts for 1 one my 3 widgets thats fine, but the last 2 widgets would just need one icon size, so they always need the width of 2 icons. also when I make minwidth smaller.. it fits with the other 2 widgets but the large widget come cutted.How to solve that. I cant believe to create a total new receiver and a new /xml/widget2.xml just for another size?!
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Jan 13, 2010
It seems so simple: I need a stopwatch widget, size 2x2. Just need it to be able to start and stop, laptimes would be a nice to have but no requirement. I don't need it to be very high resolution, seconds would be good enough (for my application, even minutes would suffice!). Any tips?
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Oct 16, 2009
Is it possible to change widget size at run-time? I want to provide users with an option to chose size of the widget from configuration utility but can't figure out how to do that. The only way to specify size of the widget seems to be to explicitly do that in AndroidManifest.xml
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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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Feb 7, 2010
in HTC Sense, we can choose widgets of different size after tapping a single entry in the widget list. Is this also possible in pure Android Framework? I have tried to modify the widget's size in the configure Activity, but failed.
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May 26, 2009
I'm making App Widget program on Android 1.5 I wonder if I can change my app widget size on home screen . I can set my app widget's size in XML file. But, how can I change it's size after my app widget launched from home screen ? I want to add some button to my app widget that can change it's own app widget size. Is this possible?
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May 26, 2010
Whenever I add an EditText widget to the layout of my home screen widget (confusing how the term "widget" is being used twice in the Android lexicon :-/ ), I receive the "Problem Loading Widget" error box.
Here is the layout I'm attempting; if you remove the EditText, it works...
CODE:.....................
Now, the Google Search home screen widget has an EditText, so it's obviously legal to implement.
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Dec 29, 2009
Is there a simple weather widget that will display the current temperature on my home screen in a small size, like the size of a single icon? Something like what's on the Multimedia screen would be great. I don't want future weather, radar or maps... just the current temperature.
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Dec 7, 2009
Let's say that I have two layouts for a widget: Layout1 and Layout2. The default for the widget is Layout1, but I allow the user to choose which layout they want the widget to be. So if the user changes to Layout2, how do I programmatically change the layout to Layout2? There isn't a setContentView method for widgets like there is for Activities.
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Apr 28, 2010
I have this really annoying problem:In my widget, i would like to change the background by code. I noticed on the Google doc than I can easily change the background of an Imageview: remoteViews.setImageViewResource (R.id.my_iv, R.drawable.my_bg);Ok, too easy, i want to change now the Linear layout.. What I read about the remoteview id that I can change a Bitmap, Int, Bool, String, etc. but not a drawable. So i guess i cannot use:remoteViews. set Bitmap (R.id.my_ll, "setBackgroundDrawable",BitmapFactory.decodeResource(context.get Resources(), R.drawablemy_bg));I am totally disapointed and tried a last idea: views.setInt (R.id. my_ ll,"setBackground Resource" ,R.drawable.my_bg);But The logcat told me: android. widget. Remote Views $Action Exception: view: android. widget.LinearLayout can't use method with RemoteViews:setBackgroundResource(int)I am totally lost and I really don't know what to do.
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Nov 21, 2010
I can write a widget with a Button or ImageButton and assign a StateDrawable as background or sourcein order to make an effect when you click it. Besides that I have problems with the side of each button, my main problem is this: how do I change the StateDrawable if I want to change the image of the button from the AppWidgetProvider but still want to preserve the click effect like a StateDrawable. The power control widget in Android does things like that.
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Aug 6, 2010
I have defined custom views in the various layout .xml files. However, all the layouts are using the Linear Layout - put the content would vary.
I would like to create my own widget tag something like <com.mypackage.MyLinearLayout />, I would like to pass the layout as a param to the <com.mypackage.MyLinearLayout layout="@layout/simple.xml" />
How to define new attributes to the custom widgets ? Simply defining a getter/setter method would work or is there any other references.
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Sep 1, 2010
I like the layout of the toast widget very much, that means rounded corners, transparency, light grey border. Is there any way to see the layout parameters of such android standard widgets like the toast? I would like do define a TextView with the same layout parameters.
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Sep 7, 2010
How does one access a particular widget from within a custom layout while using Alert Builder? As you can see below, I'm setting the alert to a widget that is created in the code, but I'd MUCH rather use predefined layout.
Current code:...................
However, whenever I try to do it the second way I get a null pointer exception.
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Nov 5, 2010
I need to have a layout for my widget, but I don't know how to arrange my images on widget screen. I need to have 4 small Images on first row then 2 Images on 2nd row 1 Image on 3rd row and 1 Image on 4th row Could someone create the xml file ?
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Nov 22, 2010
I'm able to successfully use a ScrollView inside the layout xml file for an application. However, when I tried using a ScrollView inside the layout xml file for a widget, I get a "Problem Loading Widget" error as soon as I drop the widget in the emulator. If I comment out the ScrollView, then the widget shows up in the emulator. I've pasted my layout xml file below. Any thoughts on how to get past this error would be much appreciated.
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:paddingBottom="3dip">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingLeft="6dip"
android:paddingRight="6dip"
android:paddingBottom="3dip">
<Button
android:id="@+id/ok_widget"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:text="@string/button_ok" />
</LinearLayout>
<ScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:fillViewport="true"
android:layout_marginBottom="50dip">
<LinearLayout
android:id="@+id/linear_layout"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingBottom="3dip">
</LinearLayout>
</ScrollView>
<RelativeLayout
android:layout_marginTop="-50dip"
android:gravity="bottom"
android:layout_height="wrap_content"
android:layout_width="fill_parent">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingLeft="6dip"
android:paddingRight="6dip"
android:paddingBottom="3dip">
<Button
android:id="@+id/ok_widget"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:text="@string/button_ok" />
</LinearLayout>
</RelativeLayout>
</LinearLayout>
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Dec 9, 2009
Code...
I cannot find any information on how to change or hide the background image.
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Oct 30, 2009
With a home screen widget I'm trying to layout. Basically, I'm trying to layout my widget so it matched a standard home screen application shortcut perfectly. Basically, at this point, I'm about ~2px off. Has anyone got this to match up just right? Should I be able to find this layout in the source somewhere? Here's my layout thus far:
[CODE]
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Feb 14, 2009
I'm trying to create an activity that presents some data to the user. The data is such that it can be divided into 'words', each being a widget, and sequence of 'words' would form the data ('sentence'?), the ViewGroup widget containing the words. As space required for all 'words' in a 'sentence' would exceed the available horizontal space on the display, I would like to wrap these 'sentences' as you would a normal piece of text.
The following code:
code:...................
yields something like the left picture, but I would want a layout presenting the same widgets like in the right one.
Is there such a layout or combination of layouts and parameters, or do I have to implement my own ViewGroup for this?
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Jun 11, 2010
I am looking for a news widget that is 1x4 in size. Will give a good mix of up-to-date news.
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Mar 30, 2013
How to change a widget that defaults to 4x3 so it will be a 4x2 instead. I have an SIII accuweather widget I have modified to fit on S advance. But it starts at 4x3 then needs to be resized to 4x2. How I can make it 4x2,
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