Android : Need Information Concerning A Potential Program Development Class
Oct 27, 2010
A local college has decided it wants to start a program in mobile development. They explored Windows 7 mobile and iPhone and it just isn't what they are looking for. Android won the golden ticket, thanks to myself.
They just threw a catch in there for me =). They want me to find the blount of the information!
Would anyone happen to know who I can contact concerning some sort of contract on leasing of development phones for this class? The phones do not necessarily need a service, just a way to test development. The instructors and department leaders have said they would need around 20 devices for a small class. They don't imagine it would be larger than that for a new class.
So can someone point me in the right direction? I know everyone wants to breed more Android developers =P...something to feed our addictions.
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Jun 9, 2010
I want to make CDMA Debug screen.
Although I had seen "android.telephony" api in Google web-site, I didn't find "Band Class" or Channel information.
is there anybody else who knows about this?
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Nov 4, 2010
I am developing droid apps with eclipse (new to both) and have a basic Layout question. When using the layout tab (rather than the coding tab) in my main.xml, I am trying to create a home screen for when my app opens.
There is going to be the logo at the top center, then 3 simple buttons below, all centered. How do I go about formatting the Logo so it maintains a size relative to the person's screen size, and stays in the center?
I don't want to write sloppy code to where my program looks fine (UI wise) on my screen and is poorly formatted on other's screens. Also, is there good documentation explaining all of the Property values in the layout view?
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Oct 1, 2010
I have a simple activity program in android. Basically the class just extends Activity.
But when I start it I get a ClassCastException in the constructor of my class. I don't even have a constructor defined, so it must be in the constructor of the superclass which is Activity. Unfortunately the debugger doesn't give any detailed information on what class it is trying to cast. Here is the stacktrace:
Thread [<1> main] (Suspended (exception RuntimeException))
ActivityThread$PackageInfo.makeApplication(boolean, Instrumentation) line: 649
ActivityThread.handleBindApplication(ActivityThread$AppBindData) line: 4232
ActivityThread.access$3000(ActivityThread, ActivityThread$AppBindData) line: 125
ActivityThread$H.handleMessage(Message) line: 2071
ActivityThread$H(Handler).dispatchMessage(Message) line: 99
Looper.loop() line: 123
ActivityThread.main(String[]) line: 4627
Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method]
Method.invoke(Object, Object...) line: 521
ZygoteInit$MethodAndArgsCaller.run() line: 868
ZygoteInit.main(String[]) line: 626
NativeStart.main(String[]) line: not available [native method]
And when I look into this runtimeexception I get:
detailMessage "Unable to instantiate application com.test.MyApp: java.lang.ClassCastException: com.test.MyApp" (id=830067694464)
The only code is:
package com.test;
import android.app.Activity;
public class MyApp extends Activity {
}
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Oct 26, 2010
I am new at android development and java programming, but I have decided to program a drinking game app in android. This app basically simulates a deck a cards, a player clicks a button to draw a card then based on the card thats drawn the player plays a drinking game (ie takes 1 drink, takes 2 drinks ect).
I have the main program in one java file, and the code that shuffles the card deck and puts the card sequence in an array in other java file. My problem is that whenever a class from the other java file (classicMode.java) is called from the main program (fubar.java), my android program crashes and gives the error : "The application Drinking Game - FUBAR (process com.games.dg) has stopped unexpectedly. Please try again". Code...
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Oct 12, 2011
am trying to call a class from the main and am getting an error and the program is stop working. am trying to call from the main.class the test.class
on the main i have write the following code
Intent connectIntent2 = new Intent(Conn.this, Test.class);
startActivity(connectIntent2);
and on the test.java i have write[code]....
the R.id.button_scan is been define in the main.xml and i just want to make it invisible.
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Jul 7, 2010
I am a Mac user (photographer/ videographer). I also rely heavily on my iPod Touch when mobile (i can often find a wifi signal when i am out and about). I use iCal on the Touch and iCal on my Mac as well as the address book on both everyday and as a Mobile Me user, my two devices sync so everything is mirrored and up to date. I also HATE AT&T for their terrible signal strength and coverage and have been a loyal Verizon customer for many years and this is why I don't have an iPhone. Okay, all that being said, is there an easy way to still use everything I love and rely on with my Mac (the calender and address book, mainly) and easily sync all of my existing information and future info to an Android based device? How easy is it to use an Android device with a Mac? I don't want to have to manually re-enter my entire address book into a new device.
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Nov 10, 2009
We have discovered a potential bug in the implementation of AppWidgets. Here is a simple reproducer.
Attached is the code for an application containing a TestActivity and a TestWidget. TestActivity extends MapActivity and TestWidget is a simple widget provider which updates a TextView every 2 seconds. Now if the TestActivity is launched with no instance of TestWidget running, it works just fine. But if the TestActivity is launched after placing the TestWidget on the home, it results in ClassNotFoundException. Here is what we get:
CODE:.............
So it seems we have an inconsistency in the way the class loader works for the same apk.
WORKS - Launch the application by itself, without invoking the Widget. DOES NOT WORK - Create a Widget on the Home screen and then launch the application from the launcher.
The source code for this application (http://www.yousendit.com/ download/TzY3ZGVhZy96NE4zZUE9PQ) has been attached. Hope someone from the Android team can shed light on this behavior.
This error is seen on the 1.5r3 SDK. Not sure if this has been addressed in 1.6 and 2.0 SDKs..
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Jul 7, 2010
I'm creating a new class, using eclipse "New Java Class" dialog box. I can write the superclass I want (I can't find using "browse" button), but I can't write or select an interface to implement. I click "add" but ther is nothing to select. What I'm doing wrong?
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Jun 1, 2010
I was wondering about this earlier in the weekend because I know the Nexus One features a broadcom communications chipset that features 802.11n support. Searching did not turn up any specifications on the Evo with regard to its wireless package though... until today. i Fix it just released its teardown of the Evo 4G, ( HTC Evo 4G Teardown - Page 2 - iFixit ) and it turns out that it features the Broadcom BCM4329 chipset -- known to have 802.11n support! I've read that some people believe that wireless-n support for the Nexus One comes with Froyo... maybe this is something else to look forward to when Froyo comes to the Evo.
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Jul 14, 2010
I'm just getting into Android development, and I have a question about communicating between a receiver class and an activity class. I'm very new to JAVA and Android so I hope I don't sound too stupid. I'm developing an application where I intercept an SMS message and then based on various elements of that SMS I might delete it once it's been saved to the inbox. I have a receiver class that intercepts the txt message, and I am also able to delete messages from my inbox with code in the activity class using a button at the moment. The problem I have is communicating between the receiver class and the activity class where the code to delete a message resides. I tried putting that code directly into the receiver class but as I'm sure most of you already know the BroadcastReceiver class doesn't seem to support what I need to delete messages. I've been searching for an answer to this for a while, but haven't been able to find anything. Honestly I'm not sure I know enough about JAVA and Android to even recognize a solution if I saw it.
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Jun 27, 2010
What I want to do, is be able to access the object neoApi inside the Neoseeker class, from its inner class RunningTimer. Now, in my code, you can see what I would think to work, but when I run my application, nothing pops up. Nothing inside my TextView, no Toast, nothing at all. How can I remedy this?
package com.neoseeker.android.app;
import java.util.Timer;
import java.util.TimerTask;
import org.json.JSONObject;
import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;.......................
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Sep 8, 2010
I'm new to Java and android development. In my application I need data which is accessible for a few activities. I've read that a good solution is to use Application class for this. So I use it like this:
public class MyApplication extends Application {
private String str;
public String getStr(){
return str;
}
public void setStr(String s){
str = s;
}
}
and I can access this variable from activity like this:........................................
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Oct 8, 2010
I have just started android. I just want to know that how can i call activity class from other java class. i just want to pass class object to activity class.
public class GsonParser extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
MagazineThread thread=new MagazineThread();
thread.start();
}
public GsonParser(JsonMagazineParser Obj)
{
}
}
and i am just doing like from other class. GsonParser obj=new GsonParser(this);passing obj to activity class.how can i achieve that.
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Apr 23, 2010
With the soon arriving Adobe Flash Player 10.1 coming out for 2.1 devices, Do you think the Android system will make a turn for the better supporting flash games and even AIR which will lead us to amazing places. Or do you think that with the low processor speed that Eris has that it will be a "meh" beneficial update that will help with certain webpage views but not full compatibility gaming.
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Apr 20, 2010
As much as I'm looking forward to the Evo and fully immersed in being brainwashed that it will be the greatest phone ever, at some point you need to be realistic with your expectations.
Here are my concerns:
4G/3G won't be able to seamlessly transition. What I mean by this is that if your 4G signal is weak/non-existant, you'll have to manually make the switch to 3G coverage 4G in general - this will be the first ever 4G phone in the USA, the first 4G phone for Sprint, etc...I think you realistically have to expect there to be some issues with signal quality, coverage, etc.
Battery Life - Maybe not a big issue for me because I usually keep my phones on charges all the time, but it's going to be interesting to see how this plays out. Such a glorious device is going to suck down the battery I'd assume.
Will the processor be underclocked? The Incredible looks like its being handcuffed to 667MHz, which isn't uncommon, but I feel a 1GHz processor should work at 1GHz, or at least not 66% of its capacity. I'm sure it will still be fast, but I digress.
The screen being a TFT LCD could be a potential issue, and that it's only listed as producing 65K colors...which seems like a lot but vastly inferior to an AMOLED. Of course I think I still prefer it over an AMOLED, but that's a personal choice.
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Dec 1, 2009
I was just wondering if anyone knows what the actual hardware capability of this device's Camcorder actually is, or, in other words, what is the possibility of a software app/firmware upgrade in being able to improve the quality of the Sprint Hero's recorded video? The video examples which I have seen so far on YouTube seem good, but the only thing tugging between my getting an Instinct HD for Christmas, vs. the Sprint Hero, is the video quality difference. So long as a very real potential exists to narrow the gap between the two in regards to this issue, then I will most likely feel confident in springing for the Hero.
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Apr 9, 2010
1 can I root from 2.1 directly, if so what updat.zip do I use, and will I lose pinch zoom and media sorting. Will i lose any functions if rooted
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Oct 1, 2009
I'm wondering if it is possible for a firmware update to increase the current 15fps video recording. (I believe it's 15fps) Don't get me wrong the quality is watchable, but I'm just wondering if it is potentially possible for the firmwares (or custom) to actually up the framerate a tad?
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Apr 23, 2010
In my app in one package there are some classes. from those classes i want to run one class that is the Gps functionality class. i want to run that class in background. how i do it, i don't know. i am not able to make it solve from any document. if anybody knows the way to solve it please me by run a "hello world" app in the background. i am not able to solve this problem by going through document.
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Jul 20, 2010
I'm building a small Android application, but this is more of a Java question than an android question. Looking through the tutorials there are lines that look like: startService(new Intent(this, MyService.class));
What exactly does the "MyService.class" field represent? Is that just a reference to the class for a template?
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May 19, 2009
I made a Dialog Class with it's view classI want to pop up the dialog when I got some packets from network. so I made a Thread which parses packets and then I made if clause in Run() method There is no problem with parsing packet but when I enter "if clause" and call showDialog() I got Error message
Is there anyone who knows how to pop up a dialog from different thread?
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Jun 24, 2010
I'm hoping this would be the first smartphone capabe of replacing my iPod touch permanently.
I've used the Storm and Incredible. Both phones just aren't as good as the iPod.
Some questions about this though...
Is it possible to sync an Android phone with iTunes on a Mac?
Is there an equalizer setting on the phone?
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Jun 17, 2010
What apps do you think really show off the ability of the Dinc?
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Mar 13, 2010
I live in Arizona, and we don't observe DST. On my computer, all my Google calendar appointments from tomorrow on have the correct time and my calendar time zone is set to Arizona. On my device, everything tomorrow onward has been shifted ahead one hour, as if DST should be affecting my appointments.
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Oct 2, 2010
The title pretty much says it all. Please pm if anybody would like to help me figure this damn phone out so that I can utilize it to its full potential.
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Feb 10, 2010
Anyone think this is cool? I've looked at it a little bit and really like it; it seems to have real potential to take on Facebook. I like that it just locates you, so more more facebook posts saying, "I'm at the mall." Google seems to really have something here.
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Jun 29, 2010
Was flipping through the xda forum the other day and found a hidden menu you can enter through the lock screen;
When the screen is on but locked you press menu(left hardware key), back(right hardware key), back, menu, back, menu, menu, back
This enters you into service menu. decided to check out the service test menu and there's a test option for 'earphone'. when you press it... my my how clear the earpiece can sound - with this kind of loudness and clarity i might have a chance of hearing my phone calls outside of an isolated soundproof room!
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Nov 1, 2010
I created a method called insertTable in a class called Table but i can't use it in my onClick method in the main class :
CODE:.......
I want to do a income.insertTable in the onClick method but eclipse say that i need to create a local variable.
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Nov 23, 2009
Just downloaded this from the android market...new app is great...great interface...Has reflective type menu on the bottom that you can slde across to view different shortcuts, cannot customize menu yet but im sure it will be available in next update.
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