Android : Nexus Devices Alignment Of Listviews Goes Wrong - Supporting Multiple Screens

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>

Android : Nexus Devices alignment of Listviews goes wrong - Supporting Multiple Screens


Android : Displayed Bottom Portion / Supporting Multiple Screens In Devices?

Sep 2, 2010

I am very new to android,i developed an sample web application and hosted it apk build file in different android version and on different sized devices,here i am getting problem in my design of layout such as listview not being displayed properly bottom portion is not displayed well and the align is not so good.

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Android :: Supporting Multiple Screens - Document Contradict Itself

Jun 11, 2010

In the Supporting Multiple Screens document in the Android Dev Guide, some example screen configurations are given. One of them states that the small-ldpi designation is given to QVGA (240x320) screens with a physical size of 2.6"-3.0". According to this DPI calculator, a 2.8" QVGA display equates to 143 dpi. However, further down the page the document explicitly states that all screens over 140 dpi are considered "medium" density.

So which is it, ldpi or mdpi? Is this a mistake? Does anyone know what the HTC Tattoo or similar device actually reports? I don't have access to any devices like this.

Also, with the recent publishing of this document, I'm glad to see we finally have an explicit statement of the exact DPI ranges of the three density categories. But why haven't we been given the same for the small, medium, and large screen size categories? I'd like to know the exact ranges for all these.

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Android :: Supporting Multiple Screens / Most Optical Way To Design Application?

Jun 9, 2010

I have read the topic about supporting multiple screen size as well as different DPI. I am wondering which of the following way is better in supporting multiple screens:

1. Have different layout for different screen size (stretch the images)
2. Have different set of graphics for different screen (use the same layout)
3. Have different set of graphics and different set of layout for each of the screen

Which way is the easiest? And which way is the most optical way to design? Or is there another better way?

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Android :: Making Game's Logic Supporting Multiple Screens

Jul 25, 2010

I've read the article "Supporting Multiple Screen" on Android developers site. But that doesn't apply to game logic.Let me get straight to the point. My situation is as follows:

- I'm creating a game using LunarLander code as a base.

- In my game, there'll be an object flying up from the bottom of the screen. The object will fly in projectile motion.

- I set the starting velocity, gravity and angle so that the highest point(of projectile motion) is almost at the top of the screen.

- The screen tested is Motorola Milestone. (480x854 resolution) Meaning the object travels around 854 pixels vertically.

I'm thinking of adjusting starting velocity based on screensizes. But that sounds unreliable when we've so many devices/resolutions out there. How do you combat these kind of problem when making games?

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Android : Get Resolution - Programmatically Set Layout Folder / Supporting Multiple Screens

Aug 19, 2010

My application will have two layouts, one for large screens and one for normal. For testing I'm working with one phone (800x480 240dpi) and one tablet (1024x600 240dpi) but both are detected as large screen hdpi and long aspect ratio, so I'm not able to assign different layouts.

The only approach I think that can work is to create layout-large and layout-normal, get the resolution and programmatically set the layout folder. Is that possible?

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Android : Multiple ListViews - OnClick By Finding Out Which ListViews Is Clicked

Nov 7, 2010

I am not very familiar with android coding so try to help me on a easy way.

The problem:
I have 2 Listviews and a onClick event handler.
How can i find out on which listview the user currently clicked?

public void onListItemClick(ListView l, View v, int position, long id) {
'Approach: if listview1 is clicked then FUNCTION1() else FUNCTION2()'}

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Android : Relative Layout Alignment Goes Wrong On A Multiline Textview

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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General :: Nexus 7 - Sync Music Between Multiple Devices

Aug 22, 2012

I have recently got a Nexus 7 and I was looking for an app that could sync my music between it, my Galaxy Nexus, PC and preferably also Macbook. I know I can use doubleTwist for this however I really like PowerAmp and would like to keep it as my music player. Is there any program I can use to achieve this (preferably with WiFi sync ?)

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General :: Nexus 7 / TPad / LG Connect - Sync Apps Across Multiple Devices

Aug 10, 2012

Any way to automatically sync Play Store applications across multiple devices. In other words, I have a Nexus 7, TPad, LG Connect (work phone) and then I also switch between a GNex and Rezound (personal phone).

Is there anyway that if I download an app from one device that the app will also automatically be pushed/downloaded on the other devices?

It is a real pain to have to remember to go to each other device and download the app, and even worse when I switch between handsets that may not have been used for several week.

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Android :: Supporting Smaller Screen Sizes - Supports-screens

Oct 30, 2009

I have had several emails from people with HTC Tattoo devices who say they cannot find my app in the Market.

After reading this page (http://d.android.com/guide/practices/ screens_support.html) I believe I have to add the <supports-screens> tag to my manifest file. However, when I try to do this I am confronted with "Error no resource identifier found for attriute support-screens in package 'android'" messages. What does one have to do to update their manifest to tell the market an app supports all screen sizes?

Furthermore, if I need to change the android:minSdkVersion from "3" to something higher or add the android:targetSdkVersion tag, will this prevent people with older versions of Android from using my application?

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Android : What Is Best Way To Do Multiple Listviews

May 15, 2010

I am writing a software that i have to drill down on content a lot. For example when the program starts a listview is displayed. When user clicks on an item, then a second listview must be displayed. For example:

Select Continent > Select Country > Select State > Select City > Select Address

What is the best way to do this (less memory, faster, easier to code etc)? To create multiple listviews with multiple adapters? Or 1 listview with multiple Adapters? Lists are loaded from an external XML File.
So far i am creating a new adapter and setting it to the listview. How do i create a second listview and after clicking on 1st listview displaying the second one, with animation. Any examples? Extend my class to ListActivity or Activity?

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Android : ListViews With Multiple Item Layouts

Aug 5, 2010

I have a ListView on my ListActivity and I'd like the rows of the ListView to be 1 of 3 different layouts. The first item in my list is always going to use layout A, the second item in my list is always going to use layout B, and all subsequent items are going to use layout C.

Here is my getView function: Code...

R.id.label1 and R.id.label2 are TextViews on R.layout.layout_A. However, txtLabel1 and txtLabel2 are null after trying to set them. Why?

I stepped through this code in the debugger and it inflated the correct layout (R.layout.layout_A) and fell into the correct case below to set the R.id.label1 and R.id.label2 text. Also, if there is a better way to do this, please let me know.

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Android : Multiple Listviews In Single Activity?

Apr 5, 2010

I want to have multiple listviews in single activity. But only one listview should be displayed at one time. The listviews will be loaded dynamically. So, how can I fill all the four listviews at the same time and display only one?

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Android : How To Add Multiple Listviews To Single Activity

Oct 29, 2010

I have been trying to get a specific layout for more than two days now and really struck with it, what am trying to achieve is: To have a layout like the following

LISTVIEW A

VIEW

LISTVIEW B

VIEW

LISTVIEW C

(VIEWS are basically for headers) Can any one help to sort out this task?

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Android : Can't Create Multiple ListViews In One Activity

Mar 23, 2009

I want to have multiple listviews in my activity. Every listview will have a different adapter and every item in the listview must be clickable (other actions for every listview).

So my problem now is that I can't create multiple clickable listviews. I have one listview like this <ListView android:id="@android:id/ list".. and the other listview looks like this <ListView android:id="@+id/ flightList"

The first listview looks like this in my activity hotelList = (ListView)findViewById(android.R.id.list);

the second: listView = (ListView) findViewById(R.id.flightList);

I can click on the first list and it does what it has to do, but i cant do anything with the second list.. probably because it hasn't the android:id/list declaration. does someone knows how I can solve this problem or other suggestions how I can get multiple lists in 1 activity.

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Android : Scrolling Issue / Should I Use Multiple ListViews?

Apr 4, 2010

I have a RelativeLayout with different elements. I was planning to have two ListViews on it, but I have noticed there are some problems with scrolling. Since each ListView only shows a maximum of 5 rows should I try to make some kind of custom adapter to merge those ListViews? Or is it better to replace the ListView with a LinearLayout/RelativeLayout and add the rows as I get them manually? (like the first answer in here: http://stackoverflow.com/questions/1778485/android-listview-display-all-available-items-without-scroll-with-static-header ).

Which should be the proper way on doing this? or is there another way? Also, each row will have an OnClickListener.

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Android : ListViews Getting Rendered Multiple Times

Mar 16, 2009

So the situation is this, I have a ListView that is embedded in two LinearLayout ViewGroups to form a screen. BaseAdapter.get View() (the implementation of the ListAdapter) is typically called n times (where n is numElements) to render the screen. The problem I have is this set of calls is being repeated for every ViewGroup that the list is contained in...So for a Layout like this:

-LinearLayout --Linearlayout ---ListView

The adapters get View() is being called n*3 times (3 = 1 for the parent LinerarLayout, one for the child LinearLayout and one for the List itself).

This is obviously a problem when the items in the List are expensive to build (even with recycling).

So I'm looking for some guidance on this, as the documentation doesn't seem to note this behavior from what I can see.

A small, basic example of the source is located on my post here http://www.anddev.org/listview_getting_rendered_multiple_times-t5290.... with more details Oswell as a ready made eclipse project(also attached below) if anyone is keen to try it out.

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Android :: Supporting Multiple Screen Sizes Using Image Buttons

Apr 13, 2010

I've read the Android documentation:
http://developer.android.com/guide/practices/screens_support.html
but still have some questions. I'm trying to design a music application which basically has images of the instrument (ImageButton) that play a sound when clicked. However, I'm confused about how to have the ImageButtons scale to fit all the different screen sizes and how to position them.

Which layout is best used for needing to position ImageButtons in specific locations on the screen? (i.e. cymbals on a drum set) FrameLayout, RelativeLayout? If I only really care about medium and large screens, do I need to create different resources (images) for both as well as a different XML layout to position them? I'm trying to find the simplest way to do this without having to create a separate layout XML file for positioning/size and separate image resources for each screen.

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Android : Multiple Listviews In Single Activity But Display At One Time

Apr 5, 2010

I want to have multiple listviews in single activity. But only one listview should be displayed at one time. The listviews will be loaded dynamically. So, how can I fill all the four listviews at the same time and display only one.

If anyone knows the solution then please share it over here. I hope to get a quick response.

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Android :: How Can Resize Application For Different Screens On Different Devices

Dec 23, 2009

How can we resize our application for different screens on different Android devices?

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Android : Using Multiple Layouts For Different Screens

Dec 3, 2009

I am getting my feet wet developing software for the Android. My test app will have multiple screens (each having their own layout file). The main screen will direct the user to view the other screens based on user input. I kinda see this as layers of cake. Bottom layer being main; then you add and remove layers as the user makes UI inputs. The crazy trouble is how to view a second layer. I have created a second class which has its own onCreate method, which has its on setContentView(R.layout.secondlayer).

This class extends Activity much like my primary class does. I have a click event on a button within the main layout. This button will instantiate the new second layer class which I have done. And that is where my story endsI don't know what to do from this point. This is surely a newbie question If someone has an example that would be extremely helpful teach me to fish and I will be on my way.

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Android :: Multiple Screens In One Activity Like Home Screen?

Oct 9, 2009

I am working on an application where I wish to have multiple screens (each of full display size) attached to each other horizontally, and switch between them by using the finger (swipe right / swipe left). The home screen does exactly what I want, but its implementation seems to be more complex than I thought. What would be your preferred way to achieve this functionality? Is there any Layout or View that I could reuse? More generally, it should work with the 1.5 SDK, so the gesture interface is not available.

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Android : Independent Wallpapers On Multiple Screens While Scrolling?

Oct 29, 2010

Could it be possible to make each screen have a different wallpaper while scrolling? I mean, taking as an example a case with three screens, it will be necessary to set a x3 screen width wallpaper to fit 1/3 on each screen, or directly setting different images for each screen. so the scrolling make it visually a different wallpaper on each screen rather than sliding the wallpaper a 50% each side.

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Android : Group Of Views Controls On Multiple Screens

Aug 15, 2010

I am working on an Android project where a group of buttons needs to show on the bottom of every screen (activity) in the application. The group of buttons are basically a navigation bar. I want to know the best way to do this without creating new buttons for every activity. I have been around programming (C++/C#) for many years but am pretty new to Android and Java so if someone can point me in a general direction.

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Android :: Can't Debug With Nexus One / What I Might Do Wrong?

May 22, 2010

I have a HTC Hero and newly also a Nexus One. I used to debug with the HTC Hero which worked just fine. Now when I try to debug with my Nexus One I just can't make it work. I updated everything Android via Eclipse and have now the version which officially supports Nexus One as a debug device. Whenever I connect the Nexus One, turn on Debug Mode and want to run the application I don't see the device in the debug list.

Anyone got any ideas what I might do wrong? As said above, with the HTC Hero it works just fine.

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Android :: Layout For Multiple Screens / Emulators With Same Resolution But Different Density

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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Android :: Purchased Apps On Multiple Devices?

Mar 20, 2010

I have a question about the way the Android market handles purchased apps.I've seen in other posts where if you upgrade to a new phone, your purchased apps will follow you.But how about if you use more than one Android device? For instance, later this year I may get an Android tablet. Presumably the apps I purchased on my Droid will downloadable on the tablet. But will they remain downloadable on my Droid? And if I purchase an app on the tablet, will it also be downloadable on my Droid?It seems to me that if the apps are associated with your account, then you should be able to download them on multiple devices.I was just wondering if anyone has actually tried and confirmed this.

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How To Test Android App On Multiple Real Devices

Mar 3, 2014

I would like to introduce my startup for testing android app!You can test your app on multible Real devices with one click!Just three words: Powerful, Fast and Free! QA Monkey.

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Android :: Adapting Bluetooth Chat For Multiple Devices

Jun 1, 2010

I'm doing a college project on Bluetooth for Android, and I'm trying to understand how to manage communication between multiple connected devices. Eventually I'm going to develop a multiplayer Bluetooth Game.Currently I've adapted Android's sample app BluetoothChat to connect my three Nexxus One phones.1 connects to 2 who connects to 3.1 sends its messages successfully to 2. 3 sends its messages successfully to 2 as well. 2 can send its messages successfully to 1 and 3, as it shares a ConnectedThread with both. But I can't figure out.how to handle getting communication from 1 to 3. Does anyone have any examples of communication between multiple devices or has done this themselves?

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