Android :: Returning A Variable In A Public Void?
Apr 20, 2010
I'm a bit new to programming Android App's, however I have come across a problem, I can't find a way to make global variables -unlike other coding like php or VB.NET, are global variables possible? If not can someone find a way (and if possible implement the way into the code I will provide below) to get a value from the variable 'songtoplay' so I can use in another Public Void...
Here is the code:.............
Basically, it gets the value from the Spinner 'hubSpinner' and displays it in a Toast. I then want it to return a value for string variable 'songtoplay' -or find a way to make it global or useable in another Public Void, (Which is will a button, -loading the song to be played)
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Apr 21, 2010
I have this code:
hubSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parentView,
View selectedItemView, int position, long id) {
final MediaPlayer mp2 = MediaPlayer.create(Textbox.this, R.raw.hero);
mp2.start(); } public void onNothingSelected(AdapterView<?> parentView) {
} } );
(The code basically runs when a new item is selected of a spinner and then plays a song, which later will be a variable based on what was picked, but I'm fine as it is for now). And I want to be able to use 'mp2' out of this public void, (I want a button which pauses it). How can I do this?
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Sep 26, 2010
Is copying the reference to the object and not the value of the object. Meaning, when I modify pos.top or pos.bottom, the original object gets modified. I'm guessing I am missing a concept of pass object by reference vs value here which I thought I understood. What is the fix here? Is it a problem with how I defined my custom class?
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Nov 3, 2010
these is how to give a string as argument String link ="http://www.adobe.com /devnet/acrobat/pdfs /pdf_open_ parameters.pdf"; webview.loadUrl(link);But how to give an "URL" variable to load its content to webview.
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May 3, 2010
sorry if this is a dumb question but everyone says rooting you phone will void warranty but will it void your insurance if you pay monthly for it?
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Aug 3, 2009
I have a requirement where I have to read/parse some data from the server(using HTTPConnection) and then display it on to the screen. To avoid ANR issue I used AsyncTask to perform the above. Now in order to avoid application crash in case the activity gets destroyed(either by OS or if orientation changes or say on any incoming call-->where user stays on the phone for long and for some reason OS destroys/recreates the activity). Currently, I hols the reference of AsyncTask in my activity and then provide a callback(the activity itself) to AsyncTask so that I can pos back message to activity(like closing progress dialog box).In order to avoid memory leaks on onPause I nullify this activity reference in AsyncTask.Before onPause I save the AsyncTask instance using onSaveInstanceState method but I have to use putSerializable for that. I have read on the forums that serialization method is slow, so my question is should I use parcelable approach(and whether the converting AsyncTask to parcelable will be same as creating any other object parcelable). or both these approaches are totally wrong i.e...............
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Sep 5, 2010
I updated my phone to the 2.2 through a link i found on a thread here. There was no disclaimer on the link saying this will void my warranty, so i went ahead with it. No that I am doing more research, it seems the I might have voided my warranty due to my impatience :/
Can anyone confirm or deny this? If it DOES void my warranty, how does verizon know that I did a downloaded update rather than an OTA update.
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Nov 3, 2009
Does rooting void your warranty?
I have been Googling and some say it does, and some say it doesn't!
Could anyone give me a straight and correct answer?
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May 13, 2010
I wonder if VZW would void the manufacturer warranty because of this? There are some issues with radio and signal quality, home screen swiping and phantom app openings .....
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Nov 10, 2010
I briefly spoke to SE UK on the facebook page and asked about de-branding the phone, I was told that was would void my warranty but the only explanation given was that 'thisis classed as tampering. It is also not something we would recommend as this could damage your handset'
I followed up with a couple more questions but have recieved no reply so thought I would bring it over here instead.
First up, de-branding the phone does not involve rooting it so the process of rooting can't be the reason for the void.
I want to know why updating the phone with an official, SE approved update voids the warranty?
I also want to know why Sony themselves don't provide an option of just updating the phone with the generic update instead of making us wait for the networks to release it?
Or is this all simply about money, are Vodafone etc paying SE a healthy amount to not let us de-brand and remove the useless unused app's that they put on?
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Oct 28, 2010
My carrier told me my phone comes with the 1 yr warranty from Sony, but once I update with the 2.1 my warranty is void. Even though it is Sony who is putting it out. They said it voids it because that is not the way the phone was sold. I still have 11 1/2 months left on this warranty so I am not sure what to do.
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Nov 16, 2009
I am debating between the Hero and the Moment. I have a few ?'s. What is the purpose of rooting, what features do you not have IF you choose not to root and does rooting void your warranty on the phone?
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Jul 9, 2010
I'm the PC admin for a Public Library in Florida. I keep the labs running. I have NO experience with Android. We never have enough PC's for the public at peak times. Putting in more PC's is expensive, or even impossible in some buildings. I'm always looking for ways to serve more patrons cheaply. Portable PC's are an idea for getting around this, but have problems. Notably, some are going to get stolen. All of them will get used heavily and often by people without the necessary skills to keep their data private. Sometimes they get used by our young hacking community for naughty things. I saw the Cherrypal PC and got interested. These things are ultra-cheap. That's enticing.
So here's my big question: How do I lock down an Android public PC? Specifically I need the machine to boot or log to a state that's exactly what I want EVERY time a new user comes on. There can be no remaining information about the old user (credit cards, passwords, chat history, etc.) that the next user can steal. Can I lock down the PC's? Is it easy and fast to restore to a base state that has the homepage and appearance that I want for the library, while keeping away changes I don't want? Is there anything that would keep Android from being a good addition to public PC's in the library?
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Feb 9, 2010
I am sorta shocked, only for the fact that he freakd out that I had installed a new custom boot screen and told him that rooting doesn't neccessarily remove anything sprint puts on the phone. I guess more shocked that he knew what it was.
Regardless, if I own the phone, I am going to do what ever hat I want to it even if it voids the warranty because that shouldn't be an issue.
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Apr 18, 2010
Ok. First things first, I am simply in love with my Droid. I learn new things everyday. For example, yesterday i took a picture on a trip, and on the ride home, went to look at the picture in my gallery, and under the picture it read Dayton, Ohio. It knew where I took the picture!
Anyways enough of my droid love, i've got some questions for you droid gurus.
1. I want to root my phone so badly. Im afraid of it bricking though. But the thing is, ive done a lot of research, and it seems bricking hardly ever happens. I want to overclock and i really want some kick ass ROMS! Should i do on pc or my pro?
2. My screen, when closed, when you tap on the screen near the lower left corner, the screen taps. Like the screen is loose. I wanna take it to verizon. But i wanna root. But i want my warranty still usable.
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Oct 20, 2009
I'm currently working on an application which need security features. My question is simple, if every application is signed by its developper, how can I access application public key? (and private).
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Nov 10, 2010
iFMW was upgraded: Mobile site for public person or private file share for secret person in one app.
It has two inversion functions on one app.
Public person can get his/her own public web site on the phone and secret person can use only private file sharing directly on the phone without uploading.
Those who want two demands above will use whole functions.
What will you choose of those choices?
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Jun 2, 2010
How to do RSA encryption of byte array with base-64 encoded public key?
After reading the couple of articles( of google search ) on how to do RSA encryption in Java, found the following snippet.
CODE:.........
I have public key as a base64 encoded string (126 characters), How do i create 'PublicKey' with the encoded string and use it with Cipher.
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Jul 29, 2010
I'm working on an app that is meant to be used by fans of a sport team. In the future, I expect to use the same app but for any different team. So, what changes would be the colors, team logo, app name and the like. So, is there any technique that allows me to build binaries for different teams without having duplicated resources?
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Aug 18, 2010
I am using a Mac with Eclipse Galileo, trying to load Android code from a public repository. I tried 'Checkout from SVN' and the URL is:
http://secrets-for-android.googlecode.com/svn/trunk/secrets-for-android-read-only
This is from the website:
http://code.google.com/p/secrets-for-android/source/checkout
I get the error:
Error validating location: "org.tigris.subversion.javahl.ClientException: Bad URL passed to RA layer
svn: URL 'http://secrets-for-android.googlecode.com/svn/trunk/secrets-for-android-read-only' non-existent in revision 114"
Keep location anyway?
I'm currently using this svn client in Eclipse to manage my own secure repository on another website, so I know it's installed correctly and works.
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Oct 19, 2009
Buster is now available in the Android Market.When is my bus? Start Buster, and you'll instantly know just when your bus will arrive at your stop. Uses your phone's location sense to find your stop and your buses.Currently in free Beta, Buster supports the metropolitan transportation networks of Austin, Denver, and Sacramento. More cities and features coming soon. We'd love your feedback here or at support-at-n9works.com. Also, we're trying to get a sense which cities to roll out into following the beta cities.
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May 24, 2010
Hey all. I noticed in the top right hand corner underneath my battery cover on back it says the word void. Surely this is only meant to show If I have moved anything. Only had the phone 2 weeks.
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Jul 30, 2010
I want to know how can i filter the hotspot is secured or public using Android WIFI API or android sdk?
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Sep 20, 2010
Looking at the example code in the docs
http://developer.android.com/reference/android/content/Context.html#getExternalFilesDir%28java.lang.String%29
File path = getExternalFilesDir(Environment.DIRECTORY_PICTURES);
It does not compile on 2.1. The static fields DIRECTORY_PICTURES, DIRECTORY_MUSIC etc. Don't seem to be found. Using the filter api checkbox, I see that it was removed in Android 2.2 (or api version 8). So the manifest file needs to contain minSdk defined as 7.
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Oct 19, 2010
After finishing my android application development I used the command showing below to get private key, but it shows some errors such as "The Keystore was tampered with or password was in correct".
$ keytool -genkey -v -keystore DEBUG.keystore
-alias alias_name -keyalg RSA -keysize 2048 -validity 10000
Is my problem with DEBUG.keystore? Should I need to generate another keystore for public release?
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Oct 17, 2010
I am looking for some help. I'm new to android, and java development. I've got a pretty good handle on the basics, but I'm having an issue figuring out some more advanced operations. I'm working a guitar tuner, which is a stepping stone to a chromatic piano tuner. There is no public API for frequency analysis, so I'm thinking I need to write into code a Fast Fourier Transform, and I'll assume I need to import a different package for this. Once I display the frequency of any given note, I need it to reference it's offset to a pre-measured Mhz. There is alot to write, I'm aware, but my first step is to try to figure out HOW to get the frequency, and display it in the UI.
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Mar 23, 2012
I'd like to offer a public access through Android Tablets via Tethering.The problem is that in France I have to log IPs and visited Websites when I provide a public wifi access.I searched in the Android doc but I have not found anything.
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Oct 29, 2010
I should "root" my Droid X phone, something ive not heard of before -
1) does this void the manufacturer warranty, or the $6/month im paying for verizon accidental damage warranty
2) is there a way to restore the original settings on the phone, ie make it like the root never happened if i need to? so i dont lose warranty?
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Jan 7, 2010
Is someone from Google able to advise when the Android SDK is likely to include a public API for reading/writing event data to the user's calendar? Searching the forums I see that this is a much desired feature by many developers but I haven't seen any indication as to when (or even if) this need will be addressed.
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Jul 4, 2009
http://code.google.com/p/fixxit/
I had an idea to use Android in the public space to report public works and other problems that need repairs. Android provides a great tool to document and locate problems. Google APIs like Maps and Appengine can link these reports to help direct efforts to make the public space a better place to live. Unfortunately I'm a Java rookie and so lack the skills to even start the coding at this point. How to get this open source application started.
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