Android : How To Detect A Layout Resize?
Nov 13, 2010
Dianne Hackborn mentioned in a couple threads that you can detect when a layout as been resized, for example, when the soft keyboard opens or closes. Such a thread is this one... http://groups.google.com/group/android-developers/browse_thread/thread/d318901586313204/2b2c2c7d4bb04e1b However, I didn't understand her answer: "By your view hierarchy being resized with all of the corresponding layout traversal and callbacks." Does anyone have a further description or some examples of how to detect this? Which callbacks can I link into in order to detect this?
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May 7, 2009
How can you detect when the soft keyboard is enabled and the layout resized?
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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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Apr 13, 2010
I have a RelativeLayout defined in xml and I call the setContentView(R.layout.relativeLAyout) for displaying in Activity. Now, if I want to resize this RelativeLayout then can it be done and if yes, then can someone let me know how? The inner components can be resized relatively to the parent.
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Oct 11, 2010
I have a layout in which I resize an image by doing a transformation with prescale. After the scale the image has the right size, but the layout container around it cuts its size of. I want the layout container arround it to show to complete image. I just tried invalidate on the image, the container as well as requestLayout().
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Aug 14, 2010
While developing for Android, I am unable to open more than one main.xml file in an Eclipse editor at a time.Each time I open one, it simply replaces the editor (tab) of the first main.xml with the new one, instead of opening a new tab - even if the contents of the existing tab were unsaved.Even stranger, I can open multiple main.xml files from different projects with no problems.This only happens when they're within the same project.
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May 4, 2010
I am new in android, i am having few problem in layout alignment. I have divide the screen into three layout,as header, body and footer. I am giving the height dynamically for the three layout in java file, so i need to give 12% of height to header and footer layout, and the remaining 75% i need to assign height to body layout. For that i have made the calculation as follow
first i am getting the height and width for the screen. With the help of the screen height i am getting the 12.5% height for header and footer layout
WindowManager w = getWindowManager(); Display d = w.getDefaultDisplay(); int totalwidth_screen = d.getWidth(); int totalheight_screen = d.getHeight();..................
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Jan 23, 2009
Is it possible to build a GridView object in XML with 3 columns and 4 rows of Image buttons? It doesn't seem to have similar containment relationship like LinearLayout or RelativeLayout viewgroups.
I want to do this entirely in an xml layout file. When I put ImageButton xml tags inside a GridView xml body, The layout panel in eclipse is throwing an exception: UnsupportedOperationException:addView(View, LayoutParams) is not supported in AdapterView.
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May 6, 2010
I have an Activity which uses a layout with a LinearLayout in it. Now I want to create in runtime a subactivity which loads some other layout and add this layout as item of my LinearLatout.
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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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Sep 6, 2010
I have LinearLayout. Inside to that i have added one more Linearyout ( checkbox & text ).
(LinearLayout) one textView, (LinearLayout) Checkbox,textview , one textview
Now whenever clicks the checkbox, i need to dynamically display EditBox after the checkbox.
code:..........
On the click of checkbox listener i added a code like below.
code:.........
I want to the layout which was added earlier.
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Dec 27, 2009
I would like to create a dialog-style form which would fill the bigger screen area (left, right, top, bottom padding 10px).
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Sep 10, 2009
I want to resize a bitmap and write to a file. what's the best way to do that?
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Jun 19, 2010
I'm retrieving image from URI and displaying in Imageview.I need to re-size image from URI to fit size of the Imageview.Please help me how I can do this.
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Sep 3, 2009
I am using eclipse 3.5 with the ADT plugin.when I view layout xml files, i get two tabs in the view the source code view and a graphical view.the graphical view almost never works for any of my layouts.it usually shows "NullPointerException: null" at the top and nothing else. when it does work, it often does not match what i get in the simulator or device.it seems like this thing simply is not ready for prime time; although the idea is very cool.has anyone else had much success with it?
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Mar 15, 2009
I have defined the layout which you can see at the end of this message. I do not understand, why the button is not displayed. If I move the button to the top that the rendering works.
CODE:......................
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Nov 4, 2009
In android, there are different sub-directory under 'res'
* layout
* layout-finger
* layout-land-finger
Can you please explain what are the difference between these directories?
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Feb 12, 2009
I need to have my view resize itself based on the orientation. After extensive googling (maybe i was using the wrong terms) I could find nothing telling me how to detect when the orientation was changed. Here is my layout file: how do I have it automatically resize itself? I want each item (the EditText and the WebView) to fill half the screen (not counting the title/notification bars). I set the height to absolute and not wrap_content because wrap_content defaults to 1 line for EditText and nothing for WebView. and fill_parent has the EditText on top of the WebView.
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Jul 23, 2010
How to resize the imageButton to fit the image exactly..This is the code that i tried, but the image is placed at the position that i am locating using android:scaleType but i can't able to reduce the size of imageButton.
The code that i tried is ...
CODE:......................
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Mar 20, 2009
I have a little problem, I'm doing landscape layouts and I can't resize the Tabs, which are huge like on this .
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Jul 4, 2010
Does anyone know of an app that lets me resize and batch resize photos?how about adding captions to photos?
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Aug 20, 2010
I want to use FastScroll for my history list and use dates for sections, but alert dialog (that shows letters in contacts) does not stretch to fit text's size (i want to show there month and day). How can I resize it?
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May 22, 2009
We have got all our own edit boxes etc. so we call the virtual keyboard from SDK 1.5 in the followng way (when the use selects one of our edit/text boxes):
Context c = getApplicationContext(); InputMethodManager inputManager = (InputMethodManager) c.getSystemService( Context.INPUT_METHOD_SERVICE ); inputManager.showSoftInput(ourCanvasInstance, 0);
This works fine and even populates our edit boxes automatically upon key entry, we can dismiss it by calling:
inputManager.toggleSoftInput(0, 0);
The problem we have now is that we need to know the size of the virtual keyboard so that we can resize all our popups etc to fit within the area of the screen that is not covered by the virtual keyboard. Is there anyway of getting the height of the default virtual keyboard? I have noticed that android.inputmethodservice.Keyboard has access to the height but I can't seem to find anyway to access this, does anyone happen to know any useful pointers to be able to access the height of the VK?
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Dec 23, 2009
How can we resize our application for different screens on different Android devices?
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Jul 10, 2010
I am trying to reduce the size of images retrieved form the camera (so ~5-8 mega pixels) down to one a a few smaller sizes (the largest being 1024x768).It looks like the OOM happens during the createBitmap. Is there a more memory efficient way to do this? Perhaps something that doesn't require me to load the entire original into memory?
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Jun 1, 2009
Can i resize an image to a lower resolution as i am getting an OutOfMemoryException when trying to display image with 2048x1536 resolution or more?
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Oct 15, 2010
How do I re size the datepicker widget in android (the default one)
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Apr 7, 2010
I'm trying to create a method for resizing multi-line text in a TextView such that it fits within the bounds (both the X and Y dimensions) of the TextView. At present, I have something, but all it does is resize the text such that just the first letter/character of the text fills the dimensions of the TextView (i.e. only the first letter is viewable, and it's huge). I need it to fit all the lines of the text within the bounds of the TextView.
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Jun 3, 2010
I am coding a custom view, extended from RelativeLayout, and I want to resize it programmatically, How can I do?
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Apr 24, 2010
I have an Edittext view that works fine if the phone is in portrait position with and without the onscreen softkeyboard. But if it's flipped to landscape it works fine when the softkeyboard isn't there. But when it's there the Edittext view suddenly changes so that all the text in the Edittext view is on one line. Is there some settings I can do to fix this or is it just a bug for me?
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