Android :: Vertical Alignment In RelativeLayout
Jul 15, 2009
I know my original post (at http://groups.google.com/group/android-developers/browse_thread/threa..., I could not find a way to perform a reply, maybe it's too old) is not sexy, but I'm now facing that problem in many situations. Let me please rephrase what I attempt to do, and what my problem is.
I have a RelativeLayout made of three widgets (named 1, 2 and 3 on the illustrations below): one attached to its parent left border (labelled 1), one to its parent right border (labelled 2) and the third (labelled 3) inserted between the 2 previous ones (its left border is attached to the first widget right border, and its right border is attached to the second widget left border). The third widget (the middle/central one laballed "3") is far taller than the two others, and I would like the first and second items (1 and 2) to be vertically centered with the middle widget.
I have resorted to the "android:layout_centerVertical" attribute for both the first and second widget, but I do not get the expected result. See at the bottom the various layouts I'm mentionning. Could someone please help me, and tell me whether what I intend to do is feasible, and how? Thank you for your time.
Layout with no "android:layout_centerVertical" specified: ------- |1|3|2| --|3|-- |3| ---
Layout with "android:layout_centerVertical" set to "true":
--- |3| |3| |3| ------- |1| |2| --- ---
What I'd like: --- --|3|-- |1|3|2| --|3|-- ---
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Apr 14, 2014
I have a Gridview, include hundred of items (thumbnail images). I set a multi-select mode, in this mode, user just need to swipe his finger to start selecting multiple items (this case, gridview can not be scrolled). And in a normal touch, Gridview still can vertically scroll for user to see other thumbnails and continue selecting.
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Nov 2, 2010
I am trying to align my two image buttons (back and next) at the top of an image background and trying like below xml code.But both the images are overlapping on top left corner.
CODE:...............
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Sep 30, 2010
Right-most textview is causing some alignment issues. I'm not sure how I can alleviate this?
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Mar 10, 2010
I've put an EditText and Button into a horizontal LinearLayout but unfortunately the button is not aligned with the text field. In the Hierarchy Viewer the text field has a absolute_y of 30 while the button has 32. Please see screenshots of the Hierarchy Viewer here: http://picasaweb.google.com/sj1981/Android
The XML looks like this:...................
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Feb 7, 2010
I have a vertical LinearLayout that contains a custom View that I've defined in my app and and a TextView. I'd like my custom View to be aligned on the top of the screen and the TextView to be aligned at the bottom of the screen. Unfortunately, no matter what changes I make to the attributes of the XML file, my custom View always seems to be centered vertically when I run the emulator. The xml is like the following:
<LinearLayout.............
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Sep 3, 2010
I'm trying to create standard button in android with a background and some text in front but some fairly specific alignment. I want the text to be centered vertically and on the left with 20dp of padding. The alignment works but the padding doesn't. I know I could probably get the desired effect by putting a few spaces in the text but that seems like a hack and next I want to do a similar thing but with the text at the top so I would prefer a more elegant solution. Here's what I have:
<Button
android:layout_width="312dp"
android:layout_height="95dp"
android:id="@+id/gv_music_button"
android:text="Music"
android:textSize="30sp"
android:paddingLeft="20dp"
android:gravity="left|center_vertical"
/>
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Nov 2, 2010
I have three image buttons which i want to aligne center vertically.
I have layout something like this:
CODE:..............
Although i have tried frame and relative but then image are overlapping each other.
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Nov 24, 2010
Re-wording per previous request... I am dynamically adding TableLayouts at runtime. A view rundown looks like this... LinearLayout->ScrollView->TableLayout->Loop creating TableLayouts and TableRows at runtime. So basically I am looping and adding the following:
CODE:.........
Now everything gets added correctly, looks correct and scrolls correctly. However I am attempting to create an onTouch event which changes the background on the touched dynamically created TableLayout. Inside the onTouch for each dynamically created TableLayout I have a onTouch event that when called does the following:
CODE:..................
Whenever it calls the setBackgroundColor it messes up the alignment of every one of the dynamically created TableLayouts and makes them look like this:
LeftMiddleRight
Bottom
The entire code follows. I hope this is clear now.
CODE:.............
I have tried everything I can think of to keep it from doing this but so far I am unable to explain why or how to correct it. As long as I do not call the setBackgroundColor inside the onTouch everything scrolls and aligns as expected.
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Oct 6, 2010
I can't seem to find anywhere a way to programmatically change the the alignment of the button.
In the XML it is simply layout_gravity="Center" or something.
How do we do this in the code?
LayoutParams do not seem to cater for this.
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Mar 22, 2010
I'm try to change text color and align item in spinner to center of it how can I do this
here is my code
String[] li={"1","2","3"};
final Spinner combo = (Spinner)findViewById(R.id.widget30);
ArrayAdapter<String> a = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, li);
combo.setAdapter(a);
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Oct 27, 2010
I have a relative layout with various text view aligned in it.But the alignment goes wrong if value of any textview goes multiline.is there any way to avoid it?
The view required is something like :
Name: Abc
address: 23,abc street,fhjhg apartments,Country
Email: abcdgehfhf@mail.com
address text view has width set as wrap-content
but it appears like:
Name: Abc
address: 23,abc street
Email: fhjhg apartments,Country
abcdgehfhf@mail.com
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May 16, 2010
I've been progressively expanding my UI, and I want to add a ListView in the middle of my UI. When I add it and change the activity to extend a ListActivity instead of just an Activity, I'm getting a Force Close. Using 1.5. Does a ListView not work embedded in a RelativeLayout?
CODE:.........
XML looks like this:
CODE:..........
And the listrow.xml:
CODE:.............
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May 6, 2010
I have a Relative Layout.
Which has 2 buttons, side by side and it is right-aligned.
So this is my layout xml file. My question is there are no spacing between the right-most button and the right border of the RelativeLayout and between the 2 buttons. How can I add that? I play with android:paddingRight, but nothing helps. code...
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Oct 18, 2010
I have developed an application which en-composes list views and posted that .apk file in my htc device, the design and alignment everything works fine,but the problem When i am testing in various devices such as Morotolo Droid,Nexus Devices the alignment of Listviews goes wrong, so i planned to use the Layout folder as layout-hdpi,layout-ldpi, and layout-mdpi, for that i changed my manifest file as
<supports-screens android:largeScreens="true"
android:normalScreens="true" android:smallScreens="true"
android:anyDensity="true" />
Is it right putting android:anyDensity="true",also i used dp instead of dip. I went through this url, but still am not able to get a clear idea in this
http://developer.android.com/guide/practices/screens_support.html. so friends pls tell me(help me) to get clear idea in this and tell what mistakes i have doing. This is my main page xml code frnds.
<?xml version="1.0" encoding="utf-8"?>
<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/tabhost" android:layout_width="fill_parent"
android:layout_height="wrap_content">
<LinearLayout
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/background_retinav2">
<LinearLayout android:layout_gravity="center" android:foregroundGravity="bottom" android:background="@color/white" android:id="@+id/rl_1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal">
<ImageView android:paddingTop="3dp" android:id="@+id/starthideimage" android:layout_width="30dp" android:layout_height="35dp" android:src="@drawable/newback" />
<HorizontalScrollView android:paddingTop="8dp" android:id="@+id/gv"
android:layout_width="wrap_content" android:layout_marginTop="0dp"
android:layout_height="wrap_content" android:background="#ffffff"
android:scrollbars="none" android:layout_weight="1" android:foregroundGravity="bottom">
<LinearLayout android:id="@+id/san_tag" android:layout_width="wrap_content" android:layout_height="wrap_content">
</LinearLayout>
</HorizontalScrollView>
<ImageView android:paddingTop="3dp" android:id="@+id/Endhideimage" android:layout_width="30dp" android:layout_height="35dp" android:src="@drawable/newforward" />
</LinearLayout>
android:id="@android:id/tabs"
android:gravity="bottom"
android:layout_gravity="bottom"
android:listSelector="@color/gray"
android:layout_width="fill_parent"
android:layout_height="wrap_content" /> </TabHost>
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Jan 22, 2009
There is an repeating background attribute like in css for layout on Android API?
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Nov 1, 2010
I've always been using RelativeLayout everytime I needed a View container, because of it's flexibility, even if I just wanted to display something really simple.Is it ok to do so, or should I try using a LinearLayout when I can, from a performance/good practices standpoint?
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Oct 27, 2010
I want a RelativeLayout to have a rounded corner just like we have it in the Iphone.Please let me know how can we do this in Android.
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Sep 20, 2010
I'm trying to center a button in relative layout, is this possible? I've tried the Gravity and Orientation functions but they don't do anything.
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Oct 13, 2010
Can anyone point me to a good one?
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Jul 28, 2010
why the everything (date, city, weather, temperature, weather icon) under the clock on my beautiful widgets' home widget is shifted down a bit causing everything to fall off of the skin and not align properly? This has happened to all the skins / icons combinations I have tried. I have uninstalled and reinstalled, but alas the problem still remains.
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Mar 17, 2010
I have a problem with two Textviews on the same height in a RelativeLayout running into each other.
I use the following Layout.
CODE:...........
This gives me this view:
Everything is as I need it except the two textviews name and information are displayed on the same screen space with the one on top of the other.
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Nov 24, 2010
Since I'm still just learning Android (and it appears Amazon says it'll be 2 months till I get the Hello, Android book) I'm still playing around with doing simple things. I have no problem getting an icon to display with the click of a button on my RelativeLayout using ImageView. The code for creating it is as follows:
private int mIconIdCounter = 1;
private ImageView addIcon(){
ImageView item = new ImageView(this);
item.setImageResource( R.drawable.tiles );
item.setAdjustViewBounds(true);
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams( LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT );
if( mIconIdCounter != 1 ){
params.addRule(RelativeLayout.RIGHT_OF, 1 );
}
item.setLayoutParams( params );
item.setId( mIconIdCounter );
++m_IconIdCounter;.......................
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Jul 27, 2010
Can anyone tell me how can i do this using Java code or in activity class? I do not know how to set android: layout_alignParentBottom="true".I want to implement whole view via java code.
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Apr 28, 2010
I'm trying to build an android application that features a graphical display drawn within a RelativeLayout. I want to place "+" and "-" buttons next to several of the parameters, which are drawn at various points on the canvas. The positions are free-form don't seem to conform to any of the standard XML layouts.I know how to create the buttons programmatically, but I don't know how to place them over the canvas where I need them to be. I'm assuming that this would be done in the view thread's doDraw() method, after all the graphics have been drawn, but how?
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Nov 9, 2010
I have ScrollView with RelativeLayout as a child of ScrollView. I am trying through JAVA code to set Layout_Gravity to CENTER so my RelativeLayout is centered (horizontally and vertically) in the middle of ScrollView (that covers whole screen).This works fine in XML and produces desired result, but when I try to do this programmatically, it seems there is no way to set Layout_Gravity of RelativeLayout. I tried using LayoutParams, but couldn't find anything there that would help me to center RelativeLayout in the middle. So, am I missing something or this simply can't be done?
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Apr 23, 2010
I have the following structure defined in an xml layout file.
<RelativeLayout android:id="@+id/mainLayout"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content" android:layout_height="wrap_content">
<FrameLayout android:id="@+id/frame" android:layout_centerInParent="true" android:layout_width="wrap_content" android:layout_height="wrap_content" ></FrameLayout>
<Button android:id="@+id/button" android:layout_below="@id/frame" android:layout_width="wrap_content" android:layout_height="wrap_content" />
</RelativeLayout>
The FrameLayout is positioned correctly in the center of its parent. But the Button isn't getting positioned under it. Instead it's displaying in the top left corner. Am I doing something incorrectly or is this a bug with RelativeLayout?
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Jun 9, 2010
As i am facing limitation of layout depth in my application, i am replacing some LinearLayout with RelativeLayout. However i am stopped by a supposely very simple issue (but apparantly without clean solution regarding that http://stackoverflow.com/questions/1499555/android-layout-centering-i..., nor in the ApiDemos sample where RelativeLayout are too simple):
How can i align vertically 3 items (in a simple way!) which are on a horizontal line with RelativeLayout without?
does not seem to have any effect at all.
Here is the xml; in this example i would like an icon at left (fixed width), a text label in the middle (fixed width) and an edit text on the right (remaining space). the problem is that the TextView seems to ignore the parameter android:layout_gravity="center_vertical", and seems to be top aligned with parent. code...
Of course i can use marginTop/Bottom and alignTop/Bottom on each single item but that's not very clean.
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Jul 14, 2010
I created a background .png for my application in GIMP. It's resolution is 640x480, which from googling, seems to be the resolution for a default emulator. My problem is when I apply the background to the RelativeLayout with android:background=@drawable/bg and run it, there are lots of artifacts in the image. As if the emulator could not provide enough colors to display the .png correctly. This image is nothing to fancy, just simple lines and radial gradients.
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Nov 15, 2010
In my Android App Activity, I have a RelativeLayout with one ImageView and a couple of TextViews being populated at runtime. I also have a Save button in the activity that I use to save the image in the ImageView to the device SD Card. Now what I really want to do is Convert the elements (image and the text in the RelativeLayout) together to a PNG image when the Save button is clicked and Save it to the SD Card. Have anyone tried a conversion like this before? It would be very helpful if someone can give me some hints or code snippets on how to go about doing this?
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