Android : Layout - Map Consists Of A Drawable Object Which Represents A Room
Jun 12, 2010
I need to create a map with items on it (the map consists of a drawable object, which represents a room) and I thought about using buttons with background images for the items so that they are clickable.
I guess the AbsoluteLayout fits here the best, but unfortunately it's deprecated. What layout would you recommend me for this kind of application ? Is there another layout which supports X/Y coordinates ?
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Oct 15, 2009
There are several custom-made graphic objects (.png files) included in the project inside res/drawable map.
All elements are normally loaded and displayed in the user interface except two icons and so far haven't figured out what causes the problem.
The code which doesn't affect the user interface as it should is...
In both cases there is only ic_volume_small displayed on the screen and the Variables window in the IDE displays the following:
R.drawable.ic_volume_small = Class not
loaded : net.client.android.R$drawable
R.drawable.ic_volume_of_small = Class
not loaded :
net.client.android.R$drawable
The method (member of IconImage class) which should change the icon image is the following code...
Does anyone know what could cause the described problem?
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Oct 18, 2010
How can i set the opacity of a Drawable object?
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Nov 26, 2009
In my application, user can click on a button and then he can select a picture from his gallery. This image is then displayed.
However, when the user performs 3 or 4 times this operation, the following exception is thrown, due to memory allocation problem code...
Here a sample of my code ...
Is it possible to force object (here the Drawable object) to be released from memory?
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Aug 21, 2010
I'm designing a custom view which is an X/Y Plot. It's a moving graph that scrolls to the left with time and new Y values are continuously coming in at 10 per second.
I've been able to make it work with an array of integers where the array index is the X value and the integer value is the Y value, but this seems horribly inefficient (Because every time it comes time to re-paint, I have to loop 800+ times to paint the graph). Then we do it all again 10 times a second. yuck.
Can anybody think of a paintable object that I can draw points to and perform some kind of scroll transformation and then just draw the new points each time, rather than the whole canvas?
Any other ideas out there?
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Aug 23, 2010
I need to know how he takes drawable object. I'm collecting some ImageView objects in array, they have background images that are rather big in resolution so they take lot of memory...
I have read somewhere that it will automatically create image with resolution that my imageView have, so i think it will take less memory than first one. Please tell me, if i set scaleType property, will it scale that image? Will that help me to save memory?
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Aug 23, 2010
I want to layout a button with Drawable image on the top of it and text below the image. I am very new to this so please use detailed instructions.I have not experimented with drawable images yet so I want to clarify before I continue.If I want to above the text (ie the text is not on the image) how do I go about doing this? I also want the text to be centered in below and (working without the drawable) there is a gravity command for center-horizontal and bottom. This made an error. Appreciate the help and remember I am a beginner to Eclipse and Java.
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May 4, 2009
I create a application and the main activity reference by the main.xml. The main.xml has a LinearLayout element. So my code is setContentView (R.layout.main) to show the main window.I need add other element such as Button or EditView, but I don't want add the XML line to the main.xml.I hope use the layout.addView(...) to add the elements to my Activity. So I need get the current LinearLayout object and can invoke the addView function. So How can I get the default layout?
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Jun 7, 2010
I'm currently working on a very simple aplication, and I intended to make it change the visual aspect depending on the screen size. The application just has 6 buttons like this:
I'm using the AbsoluteLayout, and changing the x and y of the buttons with the methods offsetLeftAndRight and offsetTopAndBottom. I'm not changing the layout of the buttons in the xml file, so the all start in the same place.
However, if I use this methods inside the onClickMethod they sometimes appear where I want them, sometimes don't (can't figure out why), but if i use them in the onCreate method, nothing happens.
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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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Aug 3, 2009
I created an application which consists of several activities. If I start a subactivity named DlgTitleTags from main activity everything goes well.
Another case is when I start a subactivity DlgLibrary and then from DlgLibrary DlgTitleTags the execution fails on line:
CODE:..................
In the first example this line executes without errors so I'm wondering what could be wrong here.
This is the copy from log:
CODE:........................
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Jul 11, 2010
In my Android project, I want to loop through the entire collection of Drawable resources. Normally, you can only retrieve a specific resource via its ID using something like:
InputStream is = Resources.getSystem().openRawResource(resourceId)
However, I want to get all Drawable resources where I won't know their ID's beforehand. Is there a collection I can loop through or perhaps a way to get the list of resource ID's given the resources in my project?
Or, is there a way for me in Java to extract all property values from the R.drawable static class?
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Jun 21, 2010
I have a very simple listview going on. The list just consists of strings, when you click the string it opens a new activity blah blah. Here's the problem, I enabled settextfilter and while it did filter the list, when you click the result, it always performs the action of the string located at zero, and not the one it is supposed to.
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Oct 19, 2010
I am running my application in the emulator using a high density skin (like WVGA800). However the ressources in my application are loaded from the drawable- mdpi folder instead of drawable-hdpi ... what else should I do so that android use the correct folder ?
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Sep 9, 2009
I want to do some automated testcase with Instrumentation . Suggest that my AUT has 2 Activity. After clicking the button in ther first Activity, the second one will be shown with new content base on what we enter in the first Activity.) Instrumentation provides us the function called startActivitySync() and return the Activity object for processing. My question is how we can get the pointer of the second Activity after the it is shown by clicking the button on the first activity.?
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Jun 8, 2009
I would like to convert a Picture object to Bitmap object in memory, without writing data to disk.
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Sep 21, 2009
I have an Activity that running on system. I can get the Intent that is used to start the activity. But i don't know how to get the Activity object from the Intent object or something else. Can anyone tell me how to do this??? Note that, I don't use Instrumentation object.
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Apr 29, 2012
how to make a android chat room application. I just dont know where to start.
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Jun 10, 2010
I am torn because tonight I went into BB to look at a Evo to replace my wife's 2 year old and pretty worn out non-smartphone. My wife immediately said she wanted it and left me to play with the demo.Now I am wondering if I should be keeping my iPad...I want the Evo! But I love the iPad. I have been carrying it everywhere...even into grocery stores and restaurants. Took it to several doctor's offices yesterday...it was awesome. I want to mount it in the car. I am much more likely to go mobile with the wife and sit around and just wait on her. Today I worked out at the gym on a treadmil and browsed a magazine...will need to go back and read a couple of articles that I could only look at the Picts and large captions while running. Next time I will try an iBook that allows super large text. But time flew by quicker than it ever has and I hate working out at the gym...so this was really cool.I just want to be more efficient. I want my stuf online like docs and todo items and notes, etc. I am so frustrated with multiple devices and content everywhere.Is there room for a Evo and an ipad? We would have to pay more except that right now, I am paying for unlimited 3G so if I dropped the iPad 3G, it might be pretty close. I had planned on staying on the $15 plan most of the time...but AT&T pulled the fast one of the century. I currently have a Palm centro with ok tethering through dial up (hey it works when there is no 3G).
If I get the Evo, what would be come of my iPad? I already sold my first week purchase of the wifi. Would I really sell my 3G pad after calling BB 5x per day for 3 weeks? I have used the iPad for 3-6 hours per day for almost 2 months now. But a lot of that time has been here on this forum...and in getting the devices setup...which both have been very time consuming.
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Sep 23, 2010
With my current music selection, my SD card only has about 350MB left. Is that okay or do I need to keep a certain amount free for any magic that Android does behind the scenes?
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Dec 23, 2009
I've been doing a lot of searching and I know a lot of other people are experiencing the same OOM memory problems with BitmapFactory. My app only shows a total memory available of 4MB using Runtime. getRuntime ().totalMemory(). If the limit is 16MB, then why doesn't the total memory grow to make room for the bitmap? Instead it throws an error.............
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Jun 15, 2010
Took these last night in a dim room. The illumination was from the phone's flash. It took a few attempts to get them in focus, but the results are pretty good for a camera on a phone.
Here are direct links for better views 1 2:
Given a choice, I would still prefer my regular shooter, but I am quite satisfied with what the EVO camera can do in a pinch. Video is still a bit disappointing, but again, good for a phone.
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Dec 19, 2009
Is there a way or an App, for the Eris to read the room temperature. I see that it displays battery temp., but I would like for it to show me the current temp. right where I'm at, not just the temp. on the outside from a weather app.
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Jul 3, 2010
was able to install on another Froyo rom, no I don't remember which. How much room does SWYPE need? editing this in (from post below) to get it read by more eyes: I did uninstall a bunch of fluff I was thinking of getting rid of anyway.
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Feb 13, 2010
Is there a way to get the internal memory widget to show available room on my sd partition?
I thought I saw in the screenshot thread that someone had, but I cannot figure out how.
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Feb 18, 2009
I am trying to get a FileInputStream object on an image that the user selects from the picture gallery.
This is the android URI returned by android.provider.MediaStore.Images.Media.INTERNAL_CONTENT_URI content://media/external/images/media/3
When I try to construct a java URI object from this object, I get an IllegalArgumentException with the exception description Expected file scheme in URI: content://media/external/images/media/3 whereas the android URI shows the scheme as content
Never found a solution for the original question. But if you want the byte stream of an image in the pictures gallery, this piece of code will do that.
CODE:...................
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Aug 4, 2010
My last phone was a Nokia N86 8MP. Like the x10, it to had a 8.1 MP camera. Unlike the x10, the images on the Nokia seemed a little clearer, but what really sets the Nokia's camera apart from the x10's is the flash. I recently tried taking a photo with the x10 in a dark room, although the photo light seemed bright, you couldn't see anything past 5 ft, the same applies in video mode. With the Nokia that was never a problem, the flash was bright enough to light up the entire room and so was the video light. I suggest, if it's legally possible, SE have it's testers look at the Nokia N86 8MP and borrow, if not improve upon their camera, flash and video setup.
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Aug 20, 2010
why does the ringtone volume go from too quiet on level 6 to loud to room-filling boombox level on level 7?
there should be one step in between 6 is way to low and 7 is way to high.
using JM2 maybe it's fixed on a later firmware?
is there any other way to add a more sensitive adjustment?
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Jan 27, 2010
When i get an email (gmail) and I attempt to download the rest of the message, it gives me an error and tells me that there's not enough space and instructs me to delete messages. After deleting almost all messages, i still get the same error.
Do the messages get stored on my card or device? SHould i delete my podcasts that rest on my card?
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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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