Android :: Relative Layout In Java Code With Inflate And Custom View - Position Error
Jun 16, 2009
I have a custom view that I had to write for a large scrollable image, as the images are larger than the size of the screen. Before, I had tried to do it by putting the image into a ScrollView but that of course didn't work. The view itself is within a RelativeLayout within the activity and at the bottom of the screen I have two buttons that are used for navigation and at the top a TextView with a caption for the activity (the main header is already being used here for instruction). In my below code, I've checked the Hierachy Viewer to confirm all the elements are loaded and in the Activity I can see the TextView, however it overlays the ZN5ScrollView area and below the image I just have a blank area of the size defined rather than my buttons. For the bottom navigation, the Hierachy Viewer is saying the absolute_y of the bottom navigation is 480. I'm wondering if anyone can help with my layout code here to get this working correctly? Bottom navigation is 50px high, ZN5ScrollView is 365px above the navigation, and the TextView takes up the rest of the area at the top
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Sep 15, 2010
I have created a custom view by extending Relative Layout and it looks like this: The layout for the view:
<?xml version="1.0" encoding="utf-8"?>
<merge xmlns:android="http://schemas.android.com/apk/res/android">
<RelativeLayout android:layout_width="wrap_content"
android:layout_height="wrap_content" android:gravity="center_horizontal">
<ImageView android:id="@+id/type_picture_preview"
android:layout_width="wrap_content" android:layout_height="wrap_content"
android:src="@drawable/type_picture_noimage" android:layout_alignParentRight="true"
android:paddingTop="15dip" android:paddingRight="15dip" />
<ImageView android:id="@+id/type_picture_delete"
android:src="@drawable/type_picture_delete"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true" />
</RelativeLayout>
</merge>
I am struggling to get two or more layouts on a single line.
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Feb 25, 2010
I have a layout defined in XML. I would like to inflate this RelativeView with other XML layout file. I may use different layouts depending on a situation. How should I do it?
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Oct 6, 2010
I have a layout xml file with a linear layout. One of the children is again a ViewGroup Relative layout. In my java code i want to change the width of this child Viewgroup for my requirements. I tried this
ViewGroup childViewGroup = (LinearLayout)findViewById(childViewGroup);
LayoutParams l = childViewGroup.getLayoutParams();
l.width = 360;
childViewGroup .setLayoutParams(l);
I couldn't do this because findViewById(childViewGroup) doesn't fetch ViewGroups it does only for Views. Note: I cant define a whole new layout.xml for this minor requirement since it is huge layout file and might cause performance overhead. I wanted to just change the width of the child view group in my java activity code.
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Mar 1, 2010
I've a list view with custom list adapter(list_item.xml). I have multiple layout folder to support multiple screen size. I found out when I inflate using LayoutInflater, its always taking the view from main "layout" folder.
I've a phone with screen size "427x320".
This is my code:....................
I want the layout inflater to pick the list_item.xml from "layout-427x320" folder and not "layout" folder.
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Nov 24, 2010
Android:layout_gravity="center" doesn't seem to work the same in a RelativeLayout as it does in a linear one - I would just like both an ImageButton and a TextView to be centered in a relative layout - is there a basic xml code for this?
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Jul 23, 2010
I get this exception when I try to inflate
07-22 19:15:39.903: ERROR/AndroidRuntime(3810): Caused by: java.lang.ClassCastException: android.widget.RelativeLayout
I have a base class:
public class UIBase extends RelativeLayout {}
And a more specific class:
public class Countdown extends UIBase {}
Then I try to inflate and it exceptions:
UIBase newView = (UIBase) inflater.inflate(layoutId, parent, true);
Here's the XML file:
CODE:..................
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May 26, 2010
I am trying to assign relative widths to columns in a ListView that is in a TabHost, using layout_weight as suggested here:Unfortunately, it seems to want to fit all the columns into the space that the button occupies, as opposed to the width of the screen. Or maybe there is another constraint that I do not understand.
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Jul 29, 2010
I've successfully created a countdown kitchen timer activity, however my goal is to have an activity that has 3 timers on it that all work independently. I created a separate layout just for the timer itself and moved the timer code into a class and I've used layoutinflater to create the views and then added them into the linear layout for the activity. I get the layouts fine, however there's no functionality. There doesn't seem to be anything that ties the class code to the activity. How should I approach this? Can anyone point me to some working example code?
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Apr 5, 2010
I have a custom component which consists of 2 text view and 4 toggle buttons. I want to draw this view at some specific position on the screen. How is that possible?
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Aug 17, 2010
I want to build my own custom view which should look like the Crysis-GUI.At first I designed a XML-based Layout and made it visible via the setContentView(int resid)-Method. Worked pretty well.But now I wan't to go a step further and draw in my Layout. So I created a new Class, let it extend View and overrode the onDraw()-Method. So far so good.But how can I still use my XML-Layout? I can't do setContentView anymore, so how could the same effect be achieved?
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Jun 16, 2010
I want to set android:layout_centerVertical="true" property of layout through java code of an image.
How to achieve this. here is my code.
CODE:..................
I have tried using setScaleType(ScaleType.FIT_CENTER) but no use.
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Sep 27, 2010
I have following in xml
I wanna put the second linear layout at the bottom of the screen.
I have set the property of second Relative layout to bottom but still not showing at bottom..
code:...................
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Jun 8, 2010
I'm looking for an easy way for the user to see how many drinks they've had for a BAC calculator.
PICTURE OF THE APP, for reference
On button press, I would like an image to be added to the screen, directly under the spinner and with left alignment. When I press the button again, I want another image to be added to the screen.
So if I pressed the add beer button, a drawable of a beer would appear below the spinner. If I pressed the add beer button again, I want there to be TWO drawables of beers under the spinner, preferably with them being added from the right.
(Also, having them reach their width limit, wrapping around, and starting again on the left, but below a full line, would be AWESOME)
I can't figure out how to do this. I assume adding a ImageView in code to a relative layout (because it needs to be positioned to the right) would be the best route, but if it's possible in xml I'd be more than happy to use that.
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Feb 28, 2012
I'm trying to convert this 4 XML elements to put them into the java class, but I don't know how to do it.
Code:
<TextView
android:id="@+id/text_route_section_station"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
[code]....
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Nov 16, 2010
How to fix the position/layout of a ImageButton/Button/ImageView relative to the background?code...
When I change the display resolution, the background_img stretch to cover the new area, but the ImageButton doesn't stretch and doesn't respect the bottom margin proportionately.
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Jan 7, 2010
So here's the problem. I am displaying a big image in ImageView and need to find it's position relative to the image.
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Aug 2, 2010
I'm beginning to study Android and have a doubt. How do I open a new layout and code (xml and java) by clicking a button on the main scene?
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Aug 25, 2009
Why I have this error? It' s the same java code than the following url:...........
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May 4, 2010
Here's a screen shot of the layout I'm looking for: http://www.vimtips.org/media/ll.png Can this all be done with one Relative Layout?
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Aug 13, 2010
I want to dynamically add some views to a LinearLayout that is already defined in XML.
I'm able to add views to the screen but they are not being placed 'inside' the right LinearLayout.
How can I get a reference to this specific Layout from code, similar to getting a View by using findViewById()?
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Nov 28, 2009
Currently, I am creating a custom View class (DrawView) that inherits the View class and adding to my activity programatically by using RelativeLayout and LaoutParams etc. But is there an easier way to do this by adding my DrawView to the layout XML file?
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Jun 23, 2009
I've created a custom view via .xml file, and I wanted to add it as a a contentView to an alert Dialog usinf a dialogBuilder:
CODE:.................
The problem is...I can't get my view from my custom layout... I only have an id (int)...
I tried Resource.getLayout(int) => it returns an xmlParser... not very usefull ...
finally the solution I comes up is so disgusting ( it worked but ... let's have a look)
CODE:.......
How can I do that easily without using such a disgusting way... ?
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Mar 9, 2010
I am trying to do is to embed a custom view in the default layout main.xml:
CODE:......
As you can see the class is called com.lam.customview.CustomDisplayView, with the id of custom_display_view1. now in the com.lam.customview.CustomDisplayView class, i want to use another layout called custom_display_view.xml because i don't want to programmatically create controls/widgets.
Custom_display_view.xml is just a button and an image, the content of which i want to change based on certain conditions:
CODE:..............
I tried to do:
1)
CODE:........
But got this error, "03-08 20:33:15.711: ERROR/onCreate(10879): Binary XML file line #8: Error inflating class java.lang.reflect.Constructor ".
2)
CODE:..........
But got this error, "03-08 20:28:47.401: ERROR/CustomDisplayView(10806): Resource ID #0x7f050002 type #0x12 is not valid "
Also, if i do it this way, as someone has suggested, it's not clear to me how the custom_display_view.xml is associated with the custom view class.
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Jul 15, 2010
I've created my own view by creating a subclass of the SurfaceView class.
However I can't figure out how to add it from the xml layout file.
My current main.xml looks like this:
CODE:............
What have I missed?
My view looks like this
CODE:..............
And it works fine like this:
CODE:..................
But nothing happens when trying to use it from the xml.
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Sep 18, 2010
I am getting following error while updating my twitter status from java code in android using Twitter4J .
CODE:................................
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Jul 29, 2010
I am trying to refer to a custom View in the helloWorld XML layout but I get the following exception:
Error inflating class acme.my.MyTextView.
However, I am able to instantiate the view and add it to the main content view manually. The custom View is built from it's own XML layout. How do I get this to work?
CODE:....................
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Nov 6, 2009
There is this xml file under frameworks/base.
/frameworks/base/core/res/res/layout/simple_dropdown_item_2line.xml
How can I inflate that in my own android application?
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Sep 6, 2010
I have listview and below it have footer to bind more data at footer button click event,the data has been binded well but the problem here is expanding of empty space after click event,when i scrolled to move down,when i reach the last list row by scrolling the footer position is being at same at initially loaded,but here the problem is the list scrolling is applies to this footer layout also when i scrolled down after list row the footer get's moving down,but i need it be after list last row and i also need to know how to scrolling to be stopped when particular condition satisfied.
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Oct 15, 2010
I have the following code in my layout.xml.
code:............
In the eclipse Plugin layout creator, the EditText and button are shown properly. (see the below screenshot)
But on the device and emulator, the button is not hidden. (see the below screenshot)
why the button is getting hidden in the device?
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