Android :: Managing Large Graphic Set

Sep 14, 2009

I'm writing a game for a computer class that I'm currently taking for school. The game has a lot of graphics associated with it (mostly in .png format). There is too much data to simply include it as part of the 'res'. The way i'm currently doing it, is to store all of the graphics in a single zip file, in a folder on the SDCard, e.g., / sdcard/Game/PlayerImages.zip (or whatever). And then i'm using the ZipInputStream to read from those, then using the BitmapFactory to decode the stream and then draw them on the canvas. The problem that I'm having is that this method is terribly slow if I add a lot of images into the zip file. The best way I have found thus far is to name the .png files within the zip numerically, then use a for-loop to jump directly to a specific file, but this is still a very slow way of doing it. I would like to use a single file (like zip) to hold all of the files for several reasons. 1., i'm trying to use a file container so i can simply update graphic 4.png and then push it into the zip file (for example) from a server. 2., because android sees all image files on the sdcard when you open the gallery application. 3., easier to prevent data manipulation by doing an md5/sha-1 checksum on 1 zip file, rather than every time a file is opened if it weren't in a container.

Android :: Managing Large Graphic Set


General :: Managing Large List Of SSID And Passwords?

Dec 13, 2013

At work we have about 50 different hotspots with each having their own SSID and password. Is there any way for me to mass enter them from a list into my Moto X?

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Android :: Large Screen On 1.6 - All XML Files Of Layouts In Layout-large Can't Load

Oct 23, 2009

I want make it support multiple screens(small,normal and large).I am 100% sure the all of layouts are working perfectly now, but large screen,the problem is that all XML files of layouts in layout-large can't load,The platform always load default XML file(these are under layout folder) at large screen environment.

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Android :: Better Graphic And USB Programs

Mar 18, 2009

I do not consider my G1 to be a phone. My old second hand Nokia 6100 was a better phone because it was so small and light weight. Why I bought the G1 is because I consider my G1 to be a Mini Laptop. But we need better program for it. I need a graphic program like the Paint Shop Pro 4 where I can resize and fix photos. I still have not figured out how to connect to WiFi and call the USA for free (I am in Vietnam) BUT G Voice should be doing something in a few weeks. I will wait for them. Tonight I downloaded the USB connection program so my G1 can make my computer in my hotel connect to internet but edge network here is expensive. I did find a way to stop the phone from Sniffing the EDGE network. I mess up the name in the APN code by adding xxx to the end. Then it will not connect to DATA.

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Android :: ImageView With Graphic From The Www?

Feb 27, 2010

I want to show a graphic inside my activity. A graphic thats from the www. Just like http://www.google.de/logos/olympics10-sskating-hp.png.

Wenn, in general I would download the graphic, convert it (maybe with photoshop or something), rename it (if neccassary) and copy it to my drawable folder. Then I can use its id inside my xml layout.

Now I want this procedure dynamically.

Which is the quickest way to do so?

I dont want to use WebView for this...

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Android : Use Existing Graphic Elements?

Jun 18, 2009

I would like to create a user interface which would contain network indication icons (3G, WiFi...) and I would like to use existing graphic elements which are displayed in notification bar.

Does anyone know how to get these existing elements and use it in custom layout?

I guess these icons are all ImageView elements and I am wondering whether it is possible to retrieve them with findViewById() method...

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Android :: Create Graphic Interfaces Dinamically

Feb 23, 2009

I trying to create an application similar to the notepad3 tutorial. The main difference is that I need to be able to create different "note formats". Is possible to obtain an xml file from the web and use it in the creation of an android interface? I have researched about the Metawidget library that is a very useful tool for android but I haven't been able to create interfaces dynamically.

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Android : How To Change Color Of A Complex Graphic?

Jun 10, 2010

I have a graphic in Adobe Illustrator (lets say a cat) that I want to use in an Android application. I would like to have the user be able to change the color of the fur using a color picker. What can I save the graphic as (SVG?) to allow me to programatically control the color from with the android app? Do I have to have a separate image for each color of the cat?

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HTC Hero : Changes To Android Market / Feature Graphic?

Nov 18, 2010

Sorry to disturbing you, but everybody got a message from Android Market about the changes. It says: A "feature" graphic, landscape aspect ratio, 1024 x 500 (required). What is a feature graphic? I googled it but didn't find any example.

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Android :: Moving A Graphic On Different Screen Sizes With The Right Ratio

Apr 4, 2010

I tracked the behaviour of the different screen sizes when I increased the position of a graphic by 10 pixel. Unfortunately happened what I already thought. When the display is bigger, I'm able move a graphic a lot of times more to get to the bottom of the screen. So the ratio between the graphic and its environment is not correct anymore (so not 10 pixel as on normal screen) although the change of the graphic on the different screens looks correct (On big screen it is bigger, on small screens it is smaller). When I move the graphic from the top of the screen to the bottom, I can move that on 480x800 about 65 times, on 480x854 70 times, and on the 320x480 screen only about 25 times. So the target must be to calculate the right ratio so that 10 pixels on the small screen are 17 pixel (or sth. similar) on big screens. What approaches do I have to do that? I already thought about getting the value of res.getConfiguration().screenLayout to know if I have a small, normal, or big size to be able to calculate anyhow the right ratio, but this both seems to be pretty cumbersome and moreover I get values from res.getConfiguration().screenLayout I can't explain. I launched 6 emulator instances and got the following values from res.getConfiguration().screenLayout:

240x320 QVGA low density: 17 320x480 HVGA medium density: 18 480x854 WVGA high density: 34 480x800 WVGA high density: 34 240x400 WQVGA low density: 34 240x432 WQVGA low density: 266435490 (yes, I really get this value!)

This approach seems to be useless because I cannot even distinguish between 480x854 and 480x800, much less of the last value which seems to be corrupt.

How can I solve it to move a graphic on the different screens with the right ratio? How do game developers solve this when they support all screens?

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Android :: Add Graphic Elements In Droid Using Code Into Main.xml?

Apr 16, 2010

How can I add graphic elements in android without the use of drag it into main.xml?
I mean using code to make them

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Android :: Setting Webview Background Image To Resource Graphic

Aug 11, 2009

I'm trying to set the background of a webview to a drawable image resource in Android.From the sdk it seems something like this would work but it doesn't.

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Android :: Parse Messages (xml Format) - Read Value And Display Graphic

Oct 29, 2010

I am able to read incoming messages via bluetooth from my phone. I want to parse the incoming stream (new CAN message in xml format every 100 ms), read the value in the message and display a graphic on the main screen of phone. Need help in parsing this dynamic incoming stream. Programming in Java in Eclipse for Android.

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HTC EVO 4G :: No Graphic Icon / When Phone Is In Mode

Jun 29, 2010

I know the specs for the EVO show it does 1xRTT, but I am not seeing a graphic icon showing when the phone is in this mode. I travel quite a bit and with my Hero I know areas where I would be switched over to 1XRTT, but now the EVO still only ever shows 3G. Can anyone verify if there is a dedicated icon for 1XRTT or has HTC rolled everything under the 3G icon?

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Media :: Good Graphic Novel / Comics?

Apr 24, 2010

I'm trying to find some really good Comics to read on the Droid. Is there a site that kind of has previews or details about Comics available on the Droid? I tried google searching but even with Advanced Techniques you get a bunch of Comics about Robot Droids.

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HTC Hero :: Way Of Disabling Graphic Which Goes Across Screen?

Oct 9, 2009

I have a rooted orange hero to mcr2.3 On the lockscreen, is there a way of disabling the graphic which goes across the screen? The graphic contains the time and the word orange etc. I would like an arty picture on my lockscreen but the time graphic spoils it. Catch my drift?

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HTC Desire HD :: 3D Game Performance - Better Graphic Processor

Nov 9, 2010

Lot of people are saying that the Samsung Galaxy S has a better graphics processor than the DHD so it's better for gaming. I was wondering if anyone has tried any of the Gameloft HD games on the DHD yet, or the Playstation emulator?

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HTC Desire :: Graphic Equalizer For Music Player?

Apr 15, 2010

Is there one kicking around or in dev?

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Android :: Managing Contacts

Aug 6, 2010

I am a long time Palm OS user who is just getting started with Android. I have a gmail account and I haven't paid much attention to managing contacts there. I chose to try importing my contacts from Gmail to the Android, and I got a huge list of 5000 people, basically everyone who has ever sent me an email over the last 7 years (and none of them have phone numbers).

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Android :: Managing The New Calendar App

Sep 3, 2010

With 2.2, the old Calendar and Corporate Calendar have been merged into one. A slight problem for me is that I preferred keeping the two separate. I don't use the Google Calendar much myself, but I share calendars with bandmates so I can see their schedules for booking purposes. Now, when looking at my calendar to see my own work and social schedules, I have to wade through everyone else's scheduled events. I wouldn't mind continued access to others' schedules, but is there an easy way to separate my Google and Outlook calendars, and/or choose whose Google calendar events appear in my Droid calendar? Ideally there would be an easily accessible switch in the menu for whose calendar items I see. Lacking that, is there a way to turn others event on/off from my phone?

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Android :: Managing Wimax

Oct 19, 2010

You can manage wifi connectivity, and you can kind of manage 3G, but what about 4G, more specifically WiMAX? I saw an API on ClearWire's website, but I am not sure if Google is planning to include WiMAX as part of the SDK. Does anyone have an insight? I am looking for connect/disconnect functionality, failover connection settings, etc.

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Sony Ericsson Xperia X10 Mini/pro :: How To Delete Graphic Key

Nov 14, 2010

In android 2.1 I have to do three moment to get access to the mobile and thefore I want to delete the graphic display key. How do I delete the graphic key? It is not possible to inactivate this function.

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Android :: Managing Background Uploads

Oct 21, 2009

In our app we're doing background photo uploads. The current implementation works using a combination of a Service and an AsyncTask. The former will trigger the latter, which will do the actual network I/O.

My question is: since the user can trigger many uploads in parallel, is this the correct implementation pattern? The problem is that I can never call Service.stopSelf() from an upload task when it finishes, because those tasks don't know anything about each other or the service that triggered them (because of the very nature of AsyncTask).

Do I even need a Service here at all? I always thought services were meant for long running background tasks, but their documentation clearly states that one must execute blocking operations in a separate thread. What's the purpose of Services then? You could just fork an AsyncTask from an Activity, it would make no difference at all.

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Android :: Managing Activities From Service

Jun 1, 2010

I have a service that listens to the serial port. According to data received from serial i switch between particular service states, and start particular activities on state transitions. I would like to accomplish it in following way: Let's assume there is one active Activity1 started from previous state, I call startActivity from service to start a new one Activity2, but I want to simulatenously destroy Activity1 when Activity2 gets on top of the stack. I tried to call finish() in Activity1.onStop but it seems not to work (Activity1.onDestroy() doesn't get called). I'd prefer to finish Activity1 after Activity2 gets on top in order to avoid blinking.

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Android :: Managing Google ApiKeys

Apr 9, 2010

I have a simple app that uses a Google MapView. Now in the layout file for my map activity, I created an apiKey for the debug keystore and use that. However when I want to deploy my app, I need a seperate apiKey for production (based on when I sign my application), correct?

What I'm wondering is how do people manage these two apiKeys. When developing I want to use the emulator and the debug apiKey, but when I'm deploying / doing some integration testing with my phone, I want to use the production apiKey. To me, it seems that I need to remember before compiling for production, to swap out the apiKeys in my layout file. A very error prone process given my bad memory.

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Android :: Managing A Suite Of Applications

May 25, 2010

I'm building a suite of applications, meaning that I have a single set of code that gets customized via a single change of an API key. This means that all of the applications have the same activities, same behaviors, but different icons, package names, and application names depending on the client I am building for.

Unfortunately, I haven't figured out a clean way to do this. Because the package name is what the Android Marketplace uses, I've been changing it to com.nilobject.productname.clientname. However, this changes the package for all of the activities to no longer be in the package of the application, since they live in "com.nilobject.productname." Additionally, the autogenerated "R" moves, so all of the references to R in com.nilobject.productname break.

I'm using Eclipse for development. Should I just refactor the activities with each build to be in the same package? Is there a system for this that I don't know about?

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Android :: Managing Views Programmatically

Mar 31, 2009

I would like to dynamically build a view that would display a certain number of 'rows'. Here is a piece of code I wrote, but it is not working:

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

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Android :: Managing Multiple Notifications

Aug 12, 2010

I am trying to create multiple notifications in my application. To identify each notification uniquely, i have given them an unique identificationId.

Problem: When a notification is selected, Tabs activity is called passing the intent. I want to access the unique notificationId of the notification that was selected in Tabs. I tried intent.putExtra() to save the notificationId in the intent. But, for multiple notifications its overwriting the notificationId and returns the latest one. I dont understand as to why this is happening and how can i avoid this overwriting of notificationId.

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Android :: Managing Translations Updates

Nov 22, 2009

How would one manage continuous updates to translations? I.e., when releasing a new version, you wouldn't want your translators having to manually copy and paste existing translations from the previous versions, or worse, re-translate everything. Even when for those languages that I translate myself I noticed that when introducing a new string, I basically need to update all the language-specific resources right away, or I will have trouble later on trying to come up with a list of everything that changed.

I'm familiar with gettext, where this problem is solved by basically being able to merge the diff between Original-V1 and Original-V2 into Translation V1.

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Android :: Managing Touchdown Notifications

Feb 22, 2010

Just installed the Touchdown on my Nexus One. Links with my firm's Exchange server perfectly and generally works as it should. HOWEVER, it is driving me crazy that I can't seem to manage notifications to the phone. That I want is to receive a notification prior to every appointment but to NOT receive a notification on the arrival of email.Can't find any setting to control notifications except "Enable Push" under Email, which would seem ideal except no matter how many times I uncheck "Enable Push," when I close and relaunch Touchdown, it is checked again (and I hear the email notification chimes going off constantly on the arrival of new emails). Also have issues understanding how sync with the server works, but this is a minor issue--the notifications are key for me, as I imagine they are with others who don't want their phones chiming constantly.

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