Single Layout That Work For All Tabs In Any Density?
Aug 19, 2013
I am facing problem in running application with HIGH & LOW density with single layout(xml file). I have read so many threads and verified developers.android site too..
All mentioned to specify the size of the components should be in dp or wrap_content or fill_content, then android itself take care of the density use,since android is density independent.
And also to place the layouts in layout-nodpi folder for density free. Then in one of the thread, they mentioned to use
<supports-screens android:resizeable="true"
android:largeScreens="true" android:normalScreens="true"
android:anyDensity="true"></supports-screens>.
I also tried by placing the layouts in ldpi,mdpi,xhdpi and hdpi.But no use.
I have tried all the above,but i couldnt get the application UI same in two different density.. I am using "Funbook micromax"[Normal density] and "Intex iBuddy"[Low density] model, both are 7 Inch.
use single layout to be work in all type of density and screen size..
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Nov 11, 2010
I have an Tab Activity with 4 tabs. Each of tab is showing me the list view. Suppose i m on 4th tab and dragged the list view to the last position and after that i click on 3rd tab and again when i go to 4th tab it is not refreshing and showing me the last visible screen. Actually i want to show the list view again from 1st element. is tabs refresh automatically or we need to do it programmatic?
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Nov 11, 2010
I'm trying to turn a single page app into one with tabs. I've looked at various Googled solutions, but none work, and I can't find a 'Tabs - how they work' anywhere! One problem I have when using a 'Googled' answer is a null pointer exception on the Layout of main.xml.Can anyone help/point me to a decent page?
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May 14, 2010
Can you please tell me how can I specify dimension of layout for different density of screen?
i.e. the layout are the same across different densities, but some dimension are different.
how can I do that?
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Nov 11, 2010
I am trying to develop an application 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 absolutely necessary that I provide layouts for all combination's of screen dimension and density even if the layout is same for all the devices?
Images:
https://docs.google.com/leaf?id=0By3GYC3k5AMDNzUwNjkwMWEtOGQzZC00MjQ0LWE2OTgtYjFhYzZmM2ExOGVl&hl=en&authkey=CLOEsZsI
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Sep 23, 2010
How to add tabs at the bottom of the screen in android.
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Nov 15, 2010
I read the official document about supporting multiple screens http://developer.android.com/guide/practices/screens_support.html
According to that document, I should just create different directories for different resolultion.
Now the question. How to support devices with normal screen and high density or low density?
I ask it because, there are two posibilities (WVGA800 (480x800) and WVGA854 (480x854)) and (WQVGA400 (240x400) and WQVGA432 (240x432)) and I don't know where to store some background images for them.
I would take drawable-normal-hdpi or drawable-normal-ldpi, but how to make difference between 480x800 and 480x854 or between 240x400 and 240x432?!
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May 24, 2010
I have a TabHost with 4-5 tabs. I want to have a similar bottom for all the tabs. Is there any way we can add a bottom to all the tabs? Or do I need to place the xml code in every layout file.
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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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Oct 21, 2011
I am new to android development and have been tasked with developing an app. One of the screens will require there to be a list of people with some thumbnail information about them, similar to:
Code:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="?android:attr/listPreferredItemHeight"
[code]....
This information will be stored in an SQLite DB. Now I can see that listView seems only to work with a single column. What is the best way to go about this?
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Jun 19, 2010
I'm currently working on my first android application. I am using a tabbed layout for my application. I followed the tutorial for this on the dev guide and ran into a problem. The tutorial only used three tabs, but I have a need for more. As such, the tabs resize and bunch up. I was hoping someone could tell me how I can make them scroll, like in dolphin browser when using multiple tabs.
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Feb 27, 2010
I simply use the tabwidget :
CODE:..........
Why are my tabs so uggly in 2.0 (no more rounded corners as in 1.5/1.6) ?
ugly tabs here
=>
This was better
What should I do now to show "rounded corners" TABS to Nexus One (for exemple) users ;-) ?
Is it because of the following manifest lines :
CODE:................
I have to keep android:anyDensity="true" otherwise I've got a problem with re-sizing of the menus described here
As a separate question, my users can change the Locale within my app itself, I then "redraw" the menus using onPrepareOptionsMenu (Menu menu) to refresh the strings within the menu with the new language choosen by the user. Is there an equivalent for TABS (I have local strings within the Title of the TABS) or do I have to delete all the tabs and re-create them from scratch ?
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Oct 19, 2009
We're in the process of writing an app that has 4 tabs: Map, People, Places, Events. The People, Places, and Events in the App show up as Icons on the map. By default the People, Places, and Events tabs each show a listview, custom rendered, displaying all the People, Places, and Events respectively.
Now, right now each of the tabs has as its content an Intent set to launch the corresponding activity. For instance, there is a MapTabActivity that extends MapActivity, a ShowPeopleListActivity that shows the people, and so on and so forth.
I see a lot of StackOverflow questions/answers saying that due to various limitations in the way the TabHost is setup, it's best NOT to use activities as the content of tabs. For instance, it's impossible to launch a new activity and have it take the place of the existing activity within a tab, whereas it's possible to switch out a View with a different view.
Now, I'm at a crossroads. We've (for better or worse) devoted a fair amount of time trying to get this app to work the way it's currently structured, with the Activities as the content of the tabs. When an icon corresponding to a Person, Place, or Event is clicked, it fires off a VIEW Intent on a URI corresponding to that object; this is picked up by an Activity that then shows the object. The same mechanism is at work both in the Map and in the individual lists. We really like the loose coupling this provides us; we just give a VIEW command and the URI to the person/place/event and it automatically brings us to the right activity. Granted, the activity that's launched covers up the tab view rather than appearing inside of that, but we were willing to live with this.
Here's an issue though: from the Show activity, we want to be able to go back to the map, centered at that person, place, or event. We can launch a new activity to show the map again, but now we have the map activity as the content of the tab, plus the show activity, plus the new map activity in the activity stack; given how resource intensive the map activity is, I'm guessing this is not the ideal way to go.
I guess my question is, is there a GOOD tutorial somewhere showing exactly how to do complex tasks with a TabHost? I've seen HelloTabWidget; I'm looking for something much more sophisticated than this. I'm worried that if we switch to the View based way of doing things, we'll have to do a LOT of housekeeping to intercept all the back events, try to switch out the views, etc., etc., as well as strongly coupling our program in a way we don't want.
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Apr 13, 2010
I am unable to override attributes when using <include> in my Android layout files. When I searched for bugs, I found Declined Issue 2863: "include tag is broken (overriding layout params never works)"
Since Romain indicates this works in the test suites and his examples, I must be doing something wrong.
My project is organized like this:
CODE:..............
The buttons.xml contains something like this:
CODE:.............
And the portrait and landscape receipt.xml files look something like:
CODE:..................
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Nov 1, 2010
I have some tabs based on layouts with their own xml description, but when i tried to set tab content i got such a result:
http://img266.imageshack.us/img266/1787/appnavihist.jpg
(white field with text is a part of home.xml layout). Here's some code...
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Feb 23, 2009
I would like to create an application that has 5 images, 4 of which are small, and one is larger. The 4 small images I would like to place in the corners of the screen, and the big image I want to be right in the center. Like this: http://www.eng.utah.edu/~jwilson/files/layout.png
What is the best type of layout to accomplish this? I would like the layout to work on various devices, so some kind of fluid method is preferred over absolute positioning. Seems like a table view would work if the images were the same size, but they're not.
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Jan 10, 2014
i have a problem with this new kitkat os. Before kitkat i could change between tabs by swiping left to right ir right to left to change tabs.Now it doesn't change.
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Sep 9, 2010
In Android when I am adding a view object like ImageView to FrameLayout view and then immediately trying to call layout() method to repositioned the added view object it is not working. But when I call the layout method alone after some new event e.g. touch event then layout() seems to work. This also happens when bringToFront() and layout() is used together, layout() does not seems to work together with other method. Is there any reason why is this like this? Also instead of adding view object in the middle of the screen can it be ADDED at some specific location in FrameLayout?
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Oct 29, 2009
When I include <style> elements from /res/values/styles.xml the Layout designer/preview within Eclipse doesn't update with these styles, but shows as it would be without any styles.Can anyone confirm this issue? If so, Is there a way I can fix this myself easily? If not, where's the appropriate place to sumbit a bug report?
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Aug 31, 2009
Is there Any way to set the width of the Layout.
Because most of the time it doesn't work?
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Aug 29, 2010
LCD Density Changer for Android, LCD Density Changer Application v3.0 Released | xda-developers Dev Thread [APP] LCD Density Changer 3.0 - create HighRes screen effect - xda-developers I set my EVO to 200. made things way way better! Some text on the MENU in LauncherPro are cut off, but nothing i cant deal with.
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Oct 2, 2010
I'm running cm6 and the Galaxy S Theme. I would like to run my density at 160 because I really love how tiny the icons look on my screen. However, when I run the density to that setting my notification menu bar no longer stretches across the top of the screen, it appears as a small square in the left hand corner. I also have the same problem in the market place, where the grey background should stretch across behind where it says "market". My friend runs his at 160 and has no problems like this, however he is not running cm6 or the theme I am. So, while it doesn't really narrow it down any, I'm sure the problem is in one of the two, more likely the theme in my mind. Any idea's how I can fix or repair this problem?
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Oct 4, 2010
Has everyone seen that you can change the LCD density on the Desire? (Well, on all Android handsets really). It simulates a higher resolution, fits more text on screen etc. There's an app on the market which does it, although it won't work on the Desire unless you're S-OFF. All you need to do is extract the build.prop file from /system to your PC (in recovery, use ADB PULL), and using a text editor change the value of LCD Density from original 240 to 200, then ADB push it back and reboot. I'm *really* pleased with the result. Combined with Launcher Pro I've a whole new feel to my phone...
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Feb 14, 2014
I have a problem with my sgy s5360 (rooted). i recently changed my lcd density in error and instead of the 120 default setting, I changed it to 288. that was really frustrating. I haven't been able to fix it myself. I have already done the factory reset but that didn't work. I used the ROM toolbox. Now my sgy is like in a zoomed state. Large fonts, cannot unlock and change to default setting. I cannot click the android icon that can be seen when you reboot your phone and did the factory reset. assistance is badly needed. i have browsed through the theads, but this issue has not been addressed.
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Sep 20, 2010
Running Incredible with Froyo. I rooted using Unrevoked3, but I forgot to make the nandroid backup, I guess. the LCD Changer app has my reboot looping. After the very first HTC Incredible screen it goes totally white and I just hear the "Droid" voice(plays when the red droid eye comes up on screen normally" nothing but white and the voice just repeats after the screen flashes every minute or so. Tried applying the update.zip that was linked to on the developers blog, but no luck. Any ideas? I even tried resetting to factory defaults, formatted everything, basically. Lost a great of data, I'm afraid, but I just want my phone back.
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Aug 31, 2010
People seem to be having problems using the LCD Density changer app, so I am making this write up to help you out If you would like to make your Droid X look like this.
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Nov 25, 2010
I don't know if anyone else is as addicted to a 200 LCD density as me but the LCD density changer app was causing FC like crazy. So I thought there had to be another way. It's real easy, and takes 5seconds to do...
1: open root explorer and go to /system
2: open the build prop and locate the line about half way down that says 'LCD density = 240.
3: change the value to 200 and save (it will automatically create a backup in case of a Rom issue)
4: reboot
I'm sure you can copy the build.prop file to your computer and edit and reinsert the file or use astro + god mode script on some Rom. Just be sure to make a backup as root explorer is the only one I know of that makes a backup automatically.You will notice the clock is smaller as well as a host of other great changes. I'm addicted to a smaller size but there are a few issues I've found.
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Oct 21, 2010
I'm wondering if it is possible to inflate a layout using a different density value than the default system density. I have a high density layout, which looks good on the Galaxy Tab (1024x600px, hdpi) and I like to use the same layout on another tablet with the same pixel resolution but medium density. The mdpi layout which is used works on the device but the screen just looks really empty and I would prefer to scale things up. So is there a xml argument for scaling the layout, maybe something similar to Bitmap.Options.targetDensity. Or could this be done with a new LayoutInflater class?
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Jun 9, 2010
A lot of hay is being made over the iPhone4's 326 ppi screen density. I was just curious, for comparison purposes, what's the pixel density of the Evo screen? This would be an easy calculation to do if I knew what the horizontal and vertical dimensions of the screen were, but I can't seem to find that information anywhere.
If anyone knows the pixel density or even just the exact X and Y dimensions of the screen..
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Nov 16, 2009
Is it possible to force Android to use a given LCD density value? For example, if the app is running on a WVGA phone that reports LCD density of 160DPI *and* screen size of 3.7inch, one of those two values must be wrong. Is it possible to tell Android to ignore the 160DPI value and use 240DPI instead (for my Activity only)?
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