Android :: How To Set HorizontalScrollView's Initial Offset?
Jun 22, 2009
I searched the groups to find a topic about setting horizontal scroll view's offset, but no results. Some topics talked about ScrollView, and they are not expected. Here is my question: I have a HorizontalScrollView, with LinearLayout as its child, the LinearLayout contains a custom view, I finished the onDraw method of the custom view to draw something which is longer than the screen's horizontal size, so I think HorizontalScrollView is the right widget that I need. But I do not want to display the left-most part of my custom view, such as a calendar, I can display the last week and next week in the custom view, but what I want to put in the center of the scroll view is today. So, I wonder how I should set the initial offset of the HorizontalScrollView?
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Sep 9, 2010
I'm trying to draw a rounded rectangle with a border around it using a class that extends ShapeDrawable (see here) and everything is working except that the shapedrawable seems to be cutting off some of the border because the shape itself doesn't extend outside those bounds. Is there not some way to offset where the shapedrawable starts drawing so that there is some padding between the bounds of the shape itself and the canvas? I have tried both ShapeDrawable.setBounds to larger than the intrinsic size of the shape and ShapeDrawable.setPadding but don't seem to be getting anywhere. Should I be subclassing Drawable instead?
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Jul 16, 2010
I have two Image Views that are two football helmets facing each other. I'm wanting to center them and then offset them left/right a little to provide a little space between them. Here is one of the image view's xml at the moment.
CODE:...............
I was trying to offset it using [android:layout_marginLeft="25px"] however I'm guessing that's not working for me because of the [android:scaleType="centerInside"].
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Feb 13, 2010
Is there a way to capture the audio using AudioRecord or any other API into a Direct ByteBuffer created using ByteBuffer.allocatedirect call with an offset?
From the documentation it is not clear that at which offset, calling the following method, will place the data: audiorecord.read(directbytebuffer, size);
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Aug 1, 2010
I'm trying to update part of a VBO with a call to glBufferSubData(). When I update from the start (0) of my existing shadow buffer, there is no problem, as the buffer starts reading from 0. The following will read 0 to y from the buffer and place it at 0 to y in the VBO: gl.glBufferSubData(GL11.GL_ARRAY_BUFFER, 0, y, mPositionBuffer);
However, if I want to update a portion of the VBO (not from 0) I run into a problem; The following doesn't work, since it will write the values from the start of the buffer (0 to y) into position x to x+y of the VBO:........................
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Oct 27, 2010
I am trying to parse an xml file using SAX with Android and the problem is that the function characters(...) is getting called multiple times with what appears to be the same data just offset by a few characters.
As you can tell from the output below the first time it gets called with " alabama" and the second time it gets called with "labama". I am not sure as to why it is doing this but if anyone could help that would be awesome.
10-27 23:04:47.033: DEBUG/LocationHandler(10299):
10-27 23:04:49.000: DEBUG/LocationHandler(10299): alabama
10-27 23:04:51.835: DEBUG/LocationHandler(10299): labama
10-27 23:04:52.129: DEBUG/LocationHandler(10299): labama
10-27 23:04:52.408: DEBUG/LocationHandler(10299): labama
10-27 23:04:52.519: DEBUG/LocationHandler(10299): ub_dir_name
10-27 23:04:52.649: DEBUG/LocationHandler(10299): ub_dir_name
10-27 23:04:52.809: DEBUG/LocationHandler(10299): ub_dir_name
10-27 23:04:52.989: DEBUG/LocationHandler(10299): ile_name.kml
10-27 23:04:53.158: DEBUG/LocationHandler(10299): ile_name.kml
10-27 23:04:53.358: DEBUG/LocationHandler(10299): le_name.kml
10-27 23:04:53.529: DEBUG/LocationHandler(10299): le_name.kml
10-27 23:04:53.698: DEBUG/LocationHandler(10299): le_name.kml
Code...
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Jan 21, 2010
I have been trying to implement a horizontalScrollView. Here is my sample code....
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Apr 19, 2010
I have a horizontal scroll view and there are four images in it. Now what I want is the way to detect which image is focused currently. I mean, is there any way that we can distinguish between the image that is focused and other images. Currently all the images look quite similar.
One more thing, how to move only to the next image on every swipe or fling.
Moreover, I have tried the same thing with Gallery, but I didn't found anything in the Gallery that let me move to the next view only. In Gallery, I have tried overriding the onfling method with hardcoded value for veloctiyX but with no success. Can someone let me know how to do this?
Doing the same thing with either Gallery view or HorizontalScrollview will solve my issue.
Hope to get the quick response.
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Aug 12, 2010
I am using the HorizontalScrollView. Its working for me perfectly.
The thing i want is to disable showing of horizontal scroll bar.
How can i achieve this.
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Aug 9, 2010
I have a HorizontalScrollView that consists of Images (Icons). I need to scroll the view in "blocks" the width of the icons, so as to never have a "piece" of the icon on the screen. I need more, but this question will give me all the other answers I need.
Does anyone have a code example to point me to for this?
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Aug 11, 2010
I have a horizontal scroll view containing multiple Bitmaps of variable length. My question is how can i make a particular bitmap selected which in not visible on the current screen and let the horizontal scroll to scroll such that the earlier invisible Bitmap is now visible.
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Jun 21, 2010
Is there a way to establish a listener on the process of scrolling in a ScrollView or a HorizontalScrollView?
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Jul 7, 2010
I have a HorizontalScrollView that has lots of views and images inside it.
The issue is that if I have lots of stuff inside it I will get a 'java.lang.OutOfMemoryError: bitmap size exceeds VM budget'
is there any way to use some kind of cache, or add/remove stuff as I move left/right so its not on memory all the time?
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Jun 6, 2010
I have quite a complicated ListView. Each item looks something like this...
In my activity, when an item is created (getView() is called) I add dynamic TextViews to the LinearLayout inside the HorizontalScrollView (besides filling the other, simpler stuff out). Amazingly, performance is pretty good.
My problem is that when I added the HorizontalScrollView, my list items became unclickable. They don't get the orange background when clicked and they don't fire the OnItemClickedListener I have set up (to do a simple Log.d call).
How can I make my list items clickable again?
Edit: setting android:descendantFocusability="blocksDescendants" on the topmost LinearLayout seems to work. I'd like to know if there are other ways, though: what if I want focusable items in my list items?
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Mar 1, 2013
I have struggled to build successfully ICS Rom ( ASOP), but it's still not done. Now I have a error,
Installing update...
Random offset: 0x175
E:error in /sdcard/......
(status 0)
Installation aborted.
Update: I tried to wipe all and flashes again but it gave me another error: 0x188 or 0x133....
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Mar 5, 2010
When I had a view that's in my HorizontalScrollView it leaves a blank area because it's still being considered for layout purposes. Is there a way to have it not occupy space when I hide it?
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Apr 30, 2010
In my android application it automatically focuses the first Button I have in my layout, giving it an orange outline. How can I set the initial focus preferably in XML, and can this be set to nothing?
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Mar 2, 2010
In following code, is it possible cause some memory leaks?
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Feb 1, 2010
I need to set initial transparency for a TextView but I don't know how to do it. On iPhone it can be done easily with alpha property. I've tried to set alpha using AlphaAnimation but no good it doesn't work. It just returns to 100% alpha when it ends.
CODE:................
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Sep 22, 2010
I am trying to create a Java program that takes the firstname mi last name input and outputs "FI MI lastname".
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Oct 20, 2010
I use Contacts GroupU to allow me to send a group email, but I notice that changes I make on the desktop to the groups don't show up on the app. Is there a way to sync the two together after the initial setup?
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Sep 27, 2010
I am trying to get the WebView to have similar behavior as the android browser. The browser opens all pages in a way that tries to fit their width to the screen. However, the default behavior of the WebView is to start at a 100% pixel scale so it starts zoomed in on the top left corner.
I have spent the last couple hours trying to find a way to get the WebView to scale the page to the screen like it does in the browser but I'm not having any luck. Has anyone found a way to accomplish this?
I see is a setting called setLoadWithOverviewMode, but that didn't appear to do anything at all. I also experimented with setInitialScale but on different screen sizes and web page sizes that won't be as graceful as the browsers scaling.
Any one have any leads?
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Jun 6, 2010
I have released an app (World Time) with initial database. Now i want to update the app with a database upgrade.I have put in the upgrade code in OnUpgrade() and checking for the newVersion. But it was not being called in my local testing.So i put in the debug statement to get the database version and it is zero.Any idea why it is not being versioned ?
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Sep 29, 2010
I am trying to download a zipped file from the web on the first instance of the application; can someone point me to a tutorial for this (I don't see good documentation on developer.android)? I understand how to check if it's the initial start or not, and also how to use java.util.zip once I get the file, but it's the in-between where I'm lost.
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Jan 11, 2010
I'd like to start an activity with some initial data (passed through Extras) that sets up a display page, while I simultaneously make a network call to get the rest of the data. I thought I'd pass this new data to the activity as a message to the activity's handler. Now, my question is: how can I make sure that the activity has finished drawing the page and is ready to show the message data? The data might come from the cache, so I'm worried the message may land in the handler before the page is ready to display it. Is there a way to synchronize the page draw and the message handling? E.g., is it possible to suspend the looper till the page is ready? What's the preferred way of doing what I'm trying to do?
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Jan 7, 2010
I am a Java professional. Now I'd like to write an application for the Android platform.
What is the initial step I need to take?
How does my Java programming experience help in this case?
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Sep 2, 2010
First the camera button is unresponsive, and now after owning this phone for about a month, I'm at my wits end! Has anyone experienced this? Last night after leaving the movie theater I pulled my EVO out of my pocket and pressed the power button - the bottom row button lights come on, but the screen does not (battery is nearly full by the way). Pressing the power button makes the bottom buttons turn on and off, but the screen is off. I perform a battery pull, everything seems fine, I can get into the phone after it boots, but once I press the power button to turn the screen off, the screen never turns on again - but the bottom buttons light up like last time. Repeat, repeat, repeat. I have to perform a battery pull every time I turn the screen off. I've now changed the display timeout to 'never' - and if I keep the screen on permanently from the initial bootup, the phone works fine. Absolutely insane. If Sprint can't exchange the phone (due to lack of stock) I'm considering going back to a blackberry. This is my third EVO, and although I love it when it works, I need something a little more reliable.
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May 5, 2010
FedeX just delivered the Inc (ordered on-line Sunday night) an hour ago and I plugged it in to charge. Can't wait to use it - how long does the initial charge take?
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May 20, 2010
I just bought an unlocked HTC Desire from Hong Kong. I haven't put a sim card in it yet as I'm waiting for my old plan to live out its contract, but I couldn't resist having a play with the Desire in the mean time Because I bought it from overseas I can only seem to set my default language as English and then in brackets many Asian country options, eg English (Thailand) and English (Singapore). This would be fine except it is becoming frustrating when typing because all of the predictive text etc has many Asian characters in it and I'm struggling to write accurately.I've tried turning off predictive text and 'check invalid sequence', but it doesnt seem to work? I also tried downloading the application 'more locale 2' which had english (australian) but it doesnt seem to affect the keyboard. Does anyone have any advice regarding how to change the initial language setting? Is there any chance that when I put an Australian sim card into it the language options will change?
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Jun 28, 2010
In my case, I think the charger that came with the phone is not charging the battery properly. Last Friday I left the Evo charger at work and had to use a Nokia charger to charge the phone. The usage was the same, but now my battery doesn't seem to have the initial percentage drop and seems to last longer. Also, it charges bit faster (I know this is not great for the battery). Will do more testing.
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