Android :: What Are Some Techniques To Create Scrollable Areas?

Mar 17, 2010

I'm getting started with OpenGL ES on Android and I'd looking to learn some techniques to have a game map larger than the visible area.I'm assuming I've somehow got to ensure that the system isn't rendering the entire scene, including what's outside of the visible area.I'm just not sure how I'd go about designing this.This is for simple 2D top-down tile based rendering. No real 3D except what's inherent in OpenGL ES itself.Would anyone be able to get me started on the right path? Are there options that might scale nicely when I decide to start tilting my perspective and doing 3D?

Android :: What are some techniques to create scrollable areas?


Android :: How To Create Scrollable Layout?

Nov 17, 2010

I have a registration form in a LinearLayout as shown below:When emulator screen is in it's default position it is working fine. But when I rotate the emulator screen it only displays the elements which are fit to screen and remaining are wrap up. As shown in below screen:Now I want to make this layout scrollable but not getting the idea.

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Android :: How To Create A Floating / Editable / Scrollable List In Phone?

Jul 9, 2010

I want to show a list of items when the user clicks an overlay item on a map. The user should be able to select any of these items and edit them. The list can have many items (more than that can fit in one active screen) therefore it needs to be scrollable

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Create A Scrollable List Layout?

Feb 25, 2012

One of my activities receives some data.I want to obtain a layout like the one for the "contacts" app, which has 1 contact on each row and clicking a row you pass to another activity which shows the details.

What do I need to create the "list" layout?

Are those rows simply TextViews or what else?

How do I generate the rows at runtime into the layout?

If it is too long to write down some code, just tell me what I need and I'll check by myself.

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Android :: Create A Layout - Multiple Scrollable ExpandableListViews In A Vertical Linearlayout?

May 7, 2010

Any insights/pointers regarding creating a layout like this. I have wasted quite a bit of time on this. I want to create a vertical linearlayout which has multiple ExpandableListViews separated by TextViews.

CODE:.........................

I tried the following approaches but each of them has one shortcoming or the other:

1. Add TextView and ExpandableListViews to a linearlayout. The problem with this approach is that LinearLayout by default is unscrollable.

Adding the LinearLayout to a ScrollableView creates even more issues because ListViews handle their own scrolling behavior.

2. I tried using a single ExpandableListView to model the above layout but the problem is that setGroupIndicator applies to the entire ExpandableListView, not a specific group.

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Android : What Profiling Tools Or Techniques Can I Use

Oct 6, 2010

I need to find where the bottlenecks are in my Android app.

What profiling tools or techniques can I use?

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Android :: Want Sql Optimization Techniques For Databases Has Nearly 80,000 Records

Jul 14, 2009

I want to know optimization techniques for databases that has nearly 80,000 records,
list of possibilities for optimizing

i am using for my mobile project in android platform
i use sqlite,i takes lot of time to retreive the data.

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Android :: Techniques For Writing Clients Using Remote Data

Nov 17, 2010

I need to explore the world "You wrote a killer application, but do you have an Android/iPhone/iPad client?".

My questions are:

1) which is the best way to send data to those devices? Soap and Rest as suggested here? Or are there some specific techniques? (My app is written in Delphi and I can expose data with webservices if needed)

2) For x-platform (where by x I mean basically apple products and android) development is there a tool? Or the only solution is write one client per platform that "embeds" a web application optimized for mobile devices?

3) which are the techniques for caching locally some data / working offline? Is it different in the 2 worlds or is it common?

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Android :: Official 4G / WiMAX Coverage Areas

Mar 19, 2010

If you want the OP updated then PM me, I can't check this thread everyday.I think we could use this thread to keep track of 4G coverage as Sprint and Clear roll it out as well as rumored 4G spots. Here's a map and list of cities so far Clear has covered.

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Android :: Set Clickable Areas Of Single Image?

Nov 2, 2010

I want to create a scrollable map and trigger different actions when the user touches a different areas. With iPhone, it was easy by putting buttons on top of the image. How do I do it in Android? I used a custom view to enable scrolling in both directions. Now how do I make different parts of the image trigger different events on click?

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Android :: Block Guest Users From Going Through Certain Areas Of Phone?

Oct 2, 2010

When my nephew is at my house, he likes to mess around with my HTC Desire. He usually plays games on my phone. Recently, he's been going into places in my phone that I don't want him to go in. My email, my contacts, and other files. Once, he even sent out a massive test to random people on my contact list. So, I banned him from playing with my phone until I find an app that blocks guest users from going through parts of my phone that I don't want them too.

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HTC EVO 4G :: Unofficial 4G Areas?

Jun 9, 2010

I'm noticing some grumblings of people getting 4G signals in cities/towns other than the official map says.I figured we could keep track of those places for everybody.So, where all are you getting a 4G signal that's not "official"?

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HTC Incredible :: Turning Off In Low Signal Areas?

Jul 26, 2010

whenever i'm at my friends house and his house is pretty much a dead zone for signal my Inc. seems to restart of turn off and turn right back on. It only happens at his house and i was wondering if it was because of an option to turn off in low signal areas to save battery.

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HTC Hero :: Overheating In Particular Areas While Talking On Phone

Oct 21, 2009

Just got my sprint hero last week. I noticed that while talking on the phone for longer than 5 minutes the phone seems to get extremely hot. In particular the speaker in the front and where the camera is in the back. The heat generated is really intense and is really uncomfortable after a certain amount of time. What I want to know is anybody else having this issue?

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HTC Droid Eris :: Polish Chrome-like Areas?

Feb 3, 2010

I noticed some small scratches on the chrome-painted headphone jack today. I assume it's just a chrome paint and would probably wear off with even the slightest effort. But I figured it wouldn't hurt to ask if anyone has ever tried to polish something like that with any luck.

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General :: Map Areas Available Offline With Google Maps 6.9.0?

Jun 28, 2012

Q: What map areas are available Offline with Google Maps 6.9.0 for Android?

Background: With Google Maps 6.9.0 it is possible to make certain maps areas available offline. As for Europe, this seems to be dependant upon where you attempt to make this happen. Most of Croatia (except Zagreb) seems to be unavailable, same goes for most of Italy except major cities.

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General :: Lock Certain Areas Of Home Screen?

Feb 2, 2012

Is there a app or other way to lock certain tiles of the home screen to disable pressing actions on these tiles? I just want to be able to press my widgets and icons, not the free space.

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Android :: Make Layout Scrollable

Jul 1, 2010

scrollable meaning by the user touch he can can go up and down in the layout given this is what i did and the emulator throw an exception null pointer somthing and i have problems figuring out from where it comes ....

CODE:.........

it works can some one explain to me what's wrong ?

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Android :: How Can I Make Image Scrollable?

Apr 10, 2009

I have an image that takes up a lot more space than the android screen. I want the image to be presented full size and the user can move in any direction. Like a map.

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Android :: Scrollable Text In Widget

Jul 16, 2010

I have created a widget to display some long text. I want this text to have "marquee" effect . I've already set TextView propertie ellipsize="marquee" but it doesn't works . For example Stocks widget of HTC

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Android :: How To Make Scrollable App Widget?

May 27, 2010

As far as I have read in the Internet and official documentation, it isn't possible to make a scrollable app widget. Also all my tries failed. I even tried to subclass TextView to implement my own scroll method, but nothing worked.Are there any ways to achieve that? there are solutions if you use for example htc sense or home desktop ++, but i want to make it available to other users which don't use this

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Android :: Scrollable Menu Bar Like Fox News App

Oct 2, 2010

If anybody know the code for create scrollable menubar in app.. Insted of tab i want that scrollable menu.

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Android :: How To Make LinearLayout Scrollable?

Aug 5, 2010

After I start the activity I am unable to scroll down to see other buttons and options in the xml defined below. Does anyone know how to make this scrollable?
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:background="#000044"
android:isScrollContainer="true"
android:orientation="vertical">
<TextView
android:id="@+id/title"
android:text="@string/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"/>
<EditText
android:id="@+id/editTitle"
android:text=""
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
<TextView
android:id="@+id/description"
android:text="@string/description"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"/>
<EditText
android:id="@+id/editDescription"
android:text=""
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
<TextView
android:id="@+id/location"
android:text="@string/location"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"/>
<EditText
android:id="@+id/editLocation"
android:text=""
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
<TextView
android:id="@+id/startTime"
android:text="@string/startTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"/>
<DatePicker
android:id="@+id/DatePicker01"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TimePicker
android:id="@+id/TimePicker01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<TextView
android:id="@+id/endTime"
android:text="@string/endTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"/>
<DatePicker
android:id="@+id/DatePicker02"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TimePicker
android:id="@+id/TimePicker02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
<Button
android:id="@+id/buttonCreate"
android:text="Create"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</LinearLayout>

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Android :: How To Make Form Scrollable?

Feb 5, 2010

I am new to android ,and i have drawn a pie chart and when i see it vertically ,its ok,and when i change the view to horizontally i just get the first half of the chart and i want to scroll it down,how to do it.

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Android :: Creating Scrollable Layout

May 6, 2010

I'm trying to create a "scrollable" layout in Android. Even using developers.android.com, though, I feel a little bit lost at the moment. I'm somewhat new to Java, but not so much that I feel I should be having these issues--being new to Android is the bigger problem right now.The layout I'm trying to create should scroll in a sort of a "grid". I THINK what I'm looking for is the Gallery view, but I'm really lost as to how to implement it at the moment. I want it to "snap" to center the frame, like in the actual Gallery application.Essentially, if I had a photo gallery of 9 pictures, the idea is to scroll between them up/down AND side to side, in a 3x3 manner. Doesn't need to dynamically adjust, or anything like that, I just want a grid I can scroll through.I'm also not asking for anyone to give me explicit code for it--I'm trying to learn, more than anything. But pointing me in the right direction for helpful layout programming resources would be greatly appreciated, and confirming if it's a Gallery view I'm looking for would also be really helpful.EDIT: To clarify, the goal is to have ONE item on screen at a time. If you scroll between one item and the next, the previous one leaves the screen, and the new one snaps into place. So if it were a photo gallery, each spot on the grid would take up the entire screen size, approximately, and would be flung out of the viewable area when you slide across to the next photo, in either direction. (Photos are just an example for illustration purposes)

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Android :: Scrollable ListView In TableView Row

Jul 3, 2010

I have the following layout for a dialog:<?xml version="1.0" encoding="utf-8"?><TableLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/categorylist"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:stretchColumns="0">
<TableRow>
<ListView
android:id="@+id/categorylistview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:isScrollContainer="true"
android:scrollbars="vertical"
android:scrollbarStyle="insideOverlay"
/> </TableRow>
<TableRow>
<TextView
android:text="New Category"
</TextView>
</TableRow>
<TableRow>
<EditText
android:id="@+id/NewCategoryEditText"
</EditText>
</TableRow>
<TableRow>
<Button
android:id="@+id/newcategorybutton"
</TableRow>
</TableLayout> I would like the Listview to grow until the available space is used, then scroll as it coninues to grow. This works fine when the table row with the Listview is the last one in the TableLayout: However, having the Add button at the top of the list is not very intuitive. When I move the "fixed" table rows to the bottom, the ListView will push them off the screen once it grows to a point where it should scroll. The ListView will only then begin to scroll when there is nothing else left that can be pushed off the screen:How can I change my layout so that the table rows with the button and the EditText view remain visible?

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HTC Droid Eris :: Is There Social Areas For Google Talk?

Dec 27, 2009

I kind a miss pin messaging on a blackberry is there social areas for Google talk? I lost a lot of friends coming from blackberry to android and they don't like using Google talk. And there is no way I am going back to blackberry.

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HTC Desire :: Poor Performance In Weak Signal Areas

Apr 29, 2010

I have never had any problems at home with either my trusty unlocked N95 or Orange Sony Ericsson T610 (remember them?) so I had no qualms over ordering a nice shiny (dark brown) HTC Desire.

3G coverage is a bit iffy in the area as I'm right on the border of an excellent to good area so I never expected to have super fast data over the air, but I have wifi locally for that anyway.

So you can imagine my disappointment when the first call with the mobile from home cut off quite suddenly. A retry to reconnect failed with a no service message and no signal strength. I then spent the next hour playing around with the settings turning off wifi, data, setting the phone to 3G only (no chance) and then GSM only.

When the phone was working and making a call the audio was not clean and very digital. There was also a chance that mid call you would be cut off for no reason. When it wasn't playing ball at all the signal strength varied from three bars down to zero without moving the phone. Sometimes upon initiating the call it came back immediately with no signal and cutting the call off. Picking the phone up from sitting on the side in sleep mode you were usually presented with a no service message.

Orange were excellent and immediately replaced the phone, a courier arriving at 6:15pm upon reporting the problem at 8:30am that morning. Unfortunately the replacement was exactly the same.

Even worse, my place of work is in a designated poor reception area. There are a number of us on Orange as it is the only network that can at a pinch be picked up inside. My Desire...no signal at all. Moving to a window seat got me two bars but the phone refused to connect or hold a call. The only time it did calling 150 sounded like I was listening to a recording of a Darlek. A Nokia 5300 on Orange alongside was nice and clear, with very good tone by comparison.

By chance another member of staff also had recently signed up with Orange on a Desire (500mins, unlim texts, 500Mb, free phone, 20). In a back to back test both phones were the same. We even tried swapping SIMs. Luckily for him he has no problems with reception when at home so is quite happy with the Desire.

Contacting Orange again I did not get much further. Talking to technical support they were not much help and suggested that they did not warrant the phone to work inside the building and as I could make a continuous call outside then they did not class the phone at fault. This included my problems at home in what is termed an excellent coverage area! When I pointed out that two other phones I owned did work in the very same location I was told that mobile designs differ and positions of antennas vary considerably.

Frustrated I decided the only course of action was to use my right to cancel within 7 days as it was apparent that I was not going to be able to resolve the issue. Even last night it performed perfectly for a couple of calls and then failed miserably an hour later.

As a gadget I was smitten. Even as I handed the package over to the Post Master today I was inwardly screaming �GIVE IT BACK!� Unfortunately I need to be able to make calls on it when I want, not when it wants.

I have only seen a couple of other members note a similar problem on these forums but I have noticed a large number of Nexus problems that sound very similar. I would be interested to hear if anyone else has experienced this or do you all live in 5/5 coverage areas?

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Samsung Captivate :: Screen Not Respondiong To Input In Some Areas

Nov 30, 2010

I just got my Captivate's screen replaced at Dr Phonez. Fast service great people. but now on right side of the screen is not responding to input, the So The letters O,P,L the delete key, and the search icon can not be used. any ideas what may cause this? can it be fixed, I contacted the repair people but, I'm just trying to see if anyone here knows of anything.

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HTC EVO 4G :: 4G Areas Receiving Poor Download Speeds / Increase It?

Jun 24, 2010

Anyone else in the 4G areas receiving poor download speeds? I have run the speedtest app on multiple occasions and in different areas of Houston and my usual results are 800kb/s download and 1.1 mb/s upload. Only one time did I crack the 1 mb/s download speed and it was by a large margin (2.7 mb/s).

Is anyone else seeing these kind of results?

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