Android : Achieve Basic Layout In Droid With Proper Z-ordering Of Views?
Sep 14, 2010
How can I achieve the following layout in Android?
What I would like, is to have the 3 blue boxes top aligned in their view, and then I'd like to have the red box centered underneath the blue boxes, but so that when I animate the red box up, it slides underneath the blue box.
I have tried placing the blue and red boxes in different layouts, but as soon as I animate the red box up, if it goes outside the border of its layout, it disappears (I don't want the red box's layout to clip the red box, I want the red box to slide under the blue box so that the blue box occludes the red box.)
I have also managed to create this layout using a series of nested layouts, but because of the draw order, the red box always appears on top of the blue box. I attempted to use the bringToFront() method, but I found out that this only works on sibling views within the same layout. Unfortunately I can't get this type of layout while keeping all 4 views within the same layout. Any suggestions? (also, if anyone has better suggestions for the title of this question I'm all ears)
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Aug 29, 2010
I have a number of child views, each child is a TableRow and I need to be able to change the order of the TableRows, such that I can swap the rows into any order. I know there is a method called removeAllViews() but I don't really want to remove and re-create the views if its possible to access and change the order. I really want the display to update as smoothly as possible, taking the minimum amount of time, is it possible?
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Oct 26, 2009
I am developing an application in which a user keeps on scrolling and each view displays a single text. The views are not suppose to end. How can i achieve that?
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Feb 28, 2010
I want to populate a table, defined in layout xml file through the programmatic way. I have define Table with a single row defining its header, with all the attributes set. Now i want to know a way so that i can just replicate that header row in the table with new content.
I tried using inflator inflate(int,view) method, but at runtime it showed up with error.
Here is the XML code for the layout file defining the table
CODE:.................
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Apr 19, 2010
Things go fine, and i am able to design a layout like this...
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Mar 21, 2010
when using the new Service.startForeground() method how do you do updates to remote widgets? What is the right way? Updating the remote views doesn't seem to work. Should I notify again with the same ID instead?
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Oct 30, 2010
I would like to have a layout with 5 times 5 buttons. Each of them should have the same width and height (they should be square). And I want the whole matrix to use the screen width (or height, depending on rotation).
I currently do it "by hand" in the Java code:
CODE:...........
This can be improved by obtaining screen width first and then dividing by 5 to get rid of this literal 60. But I'm wondering how I can do this in the res/layout XML file? How can I specify for the height to be the same as the width? (I can set the width to match_parent.)
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Mar 3, 2009
I want to re-use 1 adapter (similar to well known ImageAdapter from samples) with 2 different views - Gallery and GridView. I need to specify LayoutParams for the each View returned by getView() method of my adapter. In case of Gallery it should be instance of Gallery.LayoutParams, and in case of GridView it should be GridView.LayoutParams. I'll get an exception for sure if I'll try Gallery.LayoutParams with GridView and vice versa.What is the best way to do that? Can I somehow use "parent" parameter (ViewGroup parent) for that?
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Jul 9, 2010
Is there a way to get all the children views of a layout, from the Java code so that I can loop through them and set an attribute? Specifically, I'd like to set the "layout_width" based on the screen size. Since this "layout_width" would be the same for all the views, I'd prefer to loop through instead of calling each individual View separately by their id. The following is my main.xml:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content">
<LinearLayout android:id="@+id/myRow1" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1"> <TextView android:text="1" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="2" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="3" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="4" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="5" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
<TextView android:text="6" android:layout_width="wrap_content"
android:layout_height="50dip" android:layout_weight="1"/>
</LinearLayout> </LinearLayout>
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Oct 13, 2009
I have some optional views in my xml layout. Namely a radioGroup and buttons. How can I hide these programtically?
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Nov 15, 2010
I have a horizontal linear layout with multiple image views. Is there a way to resize these views automatically, so that all of them fit inside the screen? code...
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Jul 30, 2010
I am newly working on android technology.I have use map view which is declared in another layout.I have to display in some part of may screen.can I use same map view or i have to create new mapview programmatically.In short i have to display map in some part of my screen.How can i do it?
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Sep 7, 2009
I am facing problem in fixing the child in particular place in views or layout.
1) Can I fix the child at the starting and ending of Layout directly?
2) Can I fix the child at the starting or ending of the view directly?
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May 31, 2010
I have a set of custom views that I would like to add to a LinearLayout object. However, the first object I add to the layout (I do this dynamically, during runtime) has a OnMeasure method that tries to get as much space as possible resulting in that it get's all the space LinearLayout object. This is correct behavior, but when I then add more objects following that I want the allocated area for the first object to decrease so the others will fit. As it is now, each following object will get zero space, and hence won't be visible.
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Apr 19, 2009
Is it possible to add a view dynamically that overlaps other views in the layout. I have Linear Layout defined for the activity. As part of the Layout I have a custom View. The content changes dynamically and sizes appropriately based on the content size, with fill_parent for width and wrap_content for height. But what I want is, dynamically take over the full screen and then based on a click go back to the normal mode. Is there a mode to display a view where - in it can overlap all other views in the layout?
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Aug 19, 2010
I defined a LinearLayout:
<LinearLayout android:id="@+id/top_menu"
android:layout_width="fill_parent" android:orientation="horizontal"
android:background="@drawable/backrepeat" android:layout_height="wrap_content" >
<ImageView android:id="@+id/topLeft" android:layout_height="wrap_content"
android:layout_width="wrap_content" android:layout_gravity="left"
android:src="@drawable/library_top_left"> </ImageView>
<ImageView android:id="@+id/topMiddle" android:layout_height="wrap_content"
android:layout_width="wrap_content" android:layout_gravity="center"
android:src="@drawable/library_top_middle"/>
<ImageView android:id="@+id/topRight"
android:layout_height="wrap_content" android:layout_width="wrap_content"
android:layout_gravity="right" android:src="@drawable/library_top_right"/>
</LinearLayout>
I'd like that one image is on the left side of the screen, one in the middle, and one on the right side. However all of them are on the left side.
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Aug 13, 2009
How can i make my animation visible above other views on the layout. i tried with the zorder adjustment but it didn't work out.
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Jun 20, 2010
Let's say you want to have a TextView and a Button in a Layout with horizontal orientation. Can you have the TextView aligned to the left and the Button - to the right?
---------------------
TextView Button
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Nov 24, 2010
I am adding a series of custom views to a LinearLayout. I have overridden the onMeasure method of these custom views, to return the dimensions based on certain parameters. Based on user input, I would like to change these parameters, to change the size of the views. How can I force the LinearLayout to "re-layout" it's children, to reflect the new dimensions?
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Mar 22, 2010
I have problems getting some of my views aligned in a relative layout that I use inside a row of my listview.
Here is a screenshot from the layout builder in Eclipse, this is what I think it should look like:
The next image is from the emulator. Now the TestTestTest View is at the top and covers the name and distance Textviews.
This is my layout:
CODE:...............
Shouldnt align_parent_bottom put the view at the bottom of the cell in the list?
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Oct 14, 2010
I have multiple view. But for systematic distribution of views (.xml files inside layout folder). I would like to have different packages (/folders) inside Layout. Is It possible. @Attached : Screen shot. IF that is possible, is the following statement correct ?. If Not whats the solution?
setContentView(R.layout.payBill.payMyBill);............
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Aug 6, 2010
I have read the Android UI trick 2 on Android developers, which tells people how to include a layout in another layout file multiple times, and give these included layouts different id. However, the sample here is overwriting the layout id, not the id of the views IN this layout. For example, if the workspace_screen.xml looks like this: And I include it three times in another layout file. Do I end up with three TextViews with id firstText, and another three with secondText? Isn't there an id collision? And how do I find the secondText TextView in the third included layout with findViewById? What should I input in the findViewById method?
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Jun 11, 2013
I am using a linear layout to draw a scalable background in my app. I am then defining multiple imageviews inside the linear layout, all of which are PNGs containing a transparency layer. I am wanting to overlay these transparent imageviews on top of the background. My issue is that only the first defined imageview shows on top of the background, any subsequent imageviews do not appear.
CODE: Note that imgSen1 appears properly with transparency overlaid on the background. imgSen2 does not appear. If I define imgSen2 first, and imgSen1 second, imgSen2 then appears properly, as if only the first defined imageview can be seen. I would like to have multiple imageviews with transparency overlaying the background.
<LinearLayout
android:layout_width="627dp"
android:layout_height="436dp"[code]...
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Jan 6, 2010
I have a simple ListView and on that ListView I have placed a number of custom defined Views. The CustomView has ImageView and two TextViews.
The CustomView also has a "stateful drawable" as background, so that the background image (a 9-patch) changes if you press the Row in the ListView. When pressing the Row, the background image changes to a Red-ish thing.
The problem is that when the background changes from the default greyish, all the Views in the CustomView (ImageView and TextViews) still have their greyish background and thus creates very ugly greay boxes on top of the now redish background.
What is the best way to solve that problem? I hoped that such things were handled automatically (as it is done in for example .NET), but I was wrong it seems.
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Apr 10, 2010
I would like to define the z order of the views of a Relative Layout in Android.I know one of doing this is calling breakfront.Is there are better way of doing this? It would be great if I could define the z order in the layout xml.
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May 28, 2009
I want to make my android project Internationalization,but i don't know how to achieve it. I have searched on the internet,and just know i have to make values-xx file in
es.I want to know what should i do about the code.
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Mar 24, 2010
When i use toast to display some text on screen it displays little bit above the bottom(default position).
now i want to display it in the middle of screen or according to my choice can any one guide me how to achieve this?
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Feb 13, 2010
I found this question asked over a year ago but no solution was found:
http://groups.google.com/group/android-developers/browse_thread/threa.
Essentially, I want to use a Linear Layout with horizontal orientation, but when the child views' total width is greater than the width of the screen, to wrap to the next line/row. In particular, I'm using a Radio Group (with radio buttons determined at runtime) where it would be much better to do this wrapping rather than use vertical orientation. Is there a layout that supports this?
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Apr 12, 2010
Strangely I find no support for Midi in Android.
The only thing that comes close is the Jetplayer, but this only takes a existing .jet file.
I want to dynamically generate a midi file with some intervals and play it.
I even thought about just manually creating a .jet file with a tone and then transposing it with the jet player, but it limits the transposing to -12, +12. Which is not so good for me.
There also is a ToneGenerator on Android, but it's limited to predefined tones with no way to transpose.
Does someone know how to achieve midi generation and playback on Android?
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Jul 15, 2009
Here is my screen description: It is a TableLayout and it contains multiple Rows. I have set TableRow as clickable, as I want to go to next screen on click of a tableRow. Everything I am doing through Java programming (instead of XML layout, because number of TableRows changes each time) On next screen, I wanted to display all the views of that particular clicked TableRow. Here the problem i am facing is how to capture particular tableRow on onclick() even and how do I get all the textviews of that particular Row. I tried to set id at runtime, and tried to get id of view, but it's not working, giving error resourcenotfoundexception.
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