Android :: Know What Functions To Call When Programming Droid Features?
Jul 31, 2010
Basically, I don't know what functions & XML attributes to provide when programming a specific Android feature; eg, Android Search Widget with Edittext in the middle, magnifier glass on the right, and a custom icon on the left.
From where I can find out what methods, parameters & XML attributes to call when doing a specific Android task?
Fron what sources can we find out how to program specific Android feature? Are there some overall programming pictures to reference?
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Sep 28, 2010
I got my droid2 as a replacement for my droid from verizon after the droid crapped out with 2.2. Now, when I turn on the flash, it's yellow instead of white. Also, when I go into contacts and click on someone, most of the time the number doesn't show. Also sometimes when press the call button next to someones name in the phonebook, it will call someone else. Ex: tried to call my friend Dave and it called Scott.. Not even close to each other in the list...
The camera only works half of the time. When I try open up camera by either pressing the app icon or the hard button, it wont open. There are also times that when I open an app, another app will open. Like I tried to open maps and Dominoes game opens. Other times I tried to answer a call and I try to swipe over and it doesn't slide.
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Jun 22, 2010
I do not know what features / functions are basic 2.1 and what are part of the senseUI.
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Aug 16, 2010
Using a Wired Earbud, it has a button to end the call. When starting a call you click the earbud button and you can say "call, Joe Smith". With the upgrade to Android 2.2 it only turns on & off the music and I lost all call functions. How can I get the call functions back?
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Nov 11, 2010
Sometimes I need to provide a Context object to call specific functions, such as
Intent intent = new Intent(context, MyClass.class);
in order to start a service
context.startService(intent);
Or, provide a Context object to do a query
Cursor cursor = context.managedQuery(uri, projection, null, null, null);
If this is done in a UI class which extends Activity, that's fine.
However, If I want to create my own utility class (a singleton) that doesn't extend anything and call these functions, I don't have necessary Context object. Now my workaround is to pass an activity reference while initializing the utility class and have that reference to call those functions. I'm wondering what's the correct way to do that. It should not be reasonable to have every class to extends Context so that it can call those functions.
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Dec 24, 2009
I have made apps for the iPhone, but want to also code for the Android but want to know if it is first worth my time, second worth my having to learn another language, and third worth the effort in the sense that am I going to make a profit from this. Also if in any way Android code is similar, then will it be hard to bring the iPhone (Xcode) files, or copy and paste my iPhone code into the Android code.
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Mar 11, 2010
I am displaying some event data based on the todays event and a list of events in a week. Currently I am displaying all the events in form of list from the file, As the file contains out dated events as well but I want to display on the basis of today's date events and a week events then week after. In short I want to restrict the list on the basis of this and extract information. I know there is a class java.util containing Date class, but need some quick idea and help how can I do this? Can anyone quote example?
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Aug 24, 2009
Are there pitfalls or the points to remember while programming for Android? I think the list will include topics on Multithreading, Persistent Storage, etc.
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Jul 23, 2010
Possible Duplicate:
Which programming languages can I use on Android Dalvik?
Mostly, Android applications are written in Java. But i heard that its also possible to use Scala or some other languages. And I also read that it's possible to include native C/C++ code.
Is there a reference/list available that shows which languages can be used?
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May 21, 2010
I'm new to game programming. But I've got an ide for what I think would be a fun game for the Android platform.
My question is, where do I start? Anyone got some good sites to recommend or perhaps a book or two. I've got medium skills when it come to programming but iv got a masters of science degree in computer engineering so I'm not totally unfamiliar with algorithms and stuff.
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Jun 5, 2010
I have been seeking beginner learning books in Android, and of course found out that I should learn Java first. So I began studying Java and now I am quite comfortable with objects, classes, inheritance, interfaces, and just moved onto Layouts in Swing as well as Swing Features. But I am starting to wonder.... do I know enough about Java now? Can I start programming Android yet?
Of course I can keep going in Java, but have been itching to begin programming Android apps.
Any definitive answer here about how much Java I need to know before Android?
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Aug 12, 2010
I am starting an app for android. I was wondering if anyone had any tutorials to get me going. something similar to an alarm that goes off on 2 different occasions on specific dates, these dates and times should be obtained from a csv file or something similar so that i can control when and at what time the alarm goes off.
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Sep 21, 2010
What would be the best way to implement Aspect-oriented programming (AOP) in an Android application?
Would it be efficient with the mobile battery?
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Oct 1, 2010
Is it possible to run a .swf on Android running Froyo 2.2? If so, how do I do it? I am basically trying to do a cool animation and it is done in Flash but I have no idea how to show that animation on the Android.
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Oct 17, 2010
I am new to android .i want to develop 2d games in android.i searched for that i am not finding good tutorial on that please help with books and good tutorials.
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Jul 19, 2010
I am doing Android programing with Eclipse (Helios), and I have some utility classes created. How do I set up Eclipse, so that if I use one of my utility classes it gets included when the project compiles?
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Sep 18, 2010
There are the following layout options to create interfaces for android.
AbsoluteLayout
FrameLayout
LinearLayout
TableLayout
RelativeLayout (and some more)
Which of the following is most suitable for designing simple games? Guessing that the absoluteLayout is easiest, but will it be problems with different screen sizes? What do you recommend?
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Feb 16, 2010
I am a student and would like to develop softwares for Android Phones. Please suggest me where to start.
I have always programmed in C++, Matlab, Javascript. I do not have so much experience in programming Java.
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Jun 18, 2010
I am 6 months experience in Android, use to develop simple UI based application. Now i want to write application targeting the Android core Kernel.For example i want to develop a Framework which is not present in Android.To achieve that we have to write the code for the Kernel. I dont know where and how to start the Android Kernel Programming. If anybody knows the way to start it.
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Mar 29, 2010
I was considering buying it, is it as good as the Nexus One? Which features does it lack?
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Oct 1, 2010
Google is suggesting that developers might want to obfuscate byte code:
http://android-developers.blogspot.com/2010/09/proguard-android-and-licensing-server.html
I followed Google's instructions to get an obfuscated Android app that, at first glance, seemed to work. But there were some strange bugs introduced that are not in the un-obfuscated app. I kept turning off ProGuard options to get to this configuration:
-dontoptimize
-dontshrink
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontpreverify
-verbose
Still the bugs are there. Is there anything else I can turn off to get only pure obfuscation? Obfuscation would be nice, but I am willing to turn off ProGuard's other features.
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May 14, 2010
I recently tried out the applicationCache / offline web apps on Android 2.1's WebKit and unfortunately it does not work exactly like on a webkit on the iPhone. I was wondering how I can easily see what features should be implemented and if there is something like a roadmap?
Does that information somewhere exist?
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Nov 8, 2009
I thought something was wrong with my specific phone. But, once I spoke to some buddies they explained they were having same issues. Inside, and night photos are horrible. Outside shots with no movement are ok. 5 Megapixels,, quality seems more like 2 megapixels.
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Nov 15, 2010
Quote: [APP] - Assign Functions to Your Phones Search Key
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Jul 18, 2010
Does the stock Google maps app have waypoints you can set. Does it track and keep history in memory? If not, what is the best app to use with the GPS?
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Aug 18, 2010
I'm just wondering if the "X" being the latest Hi-End phone has some of these "Basic" features, and how to make them work.
My Oooold Moto Razr & old Blackberry Perl there were (1) different ring tones for text, alarm, incoming-ring, etc. You could also set different levels of volume for each.
(2) You could lock individual applications (password protected), like text, recent calls, phone book, etc.
(3) You could also set a timer for phone to SHUT Off, and Turn ON - and pick weekdays, or weekends, or each day.
I haven't been able to figure out these BASIC things on the X yet. Can I download any apps for this, incase Moto Droid forgot to include these basic features on their hi-end phone?
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Sep 17, 2010
If there's an existing app that offers the same functionality as the default stock options that the hard buttons do.
I'd prefer on-screen icons to 'click' for the
MENU | HOME | BACK | SEARCH
selections that the hard-buttons offer. Do any of the home replacement apps do this? Again, I am not interested in reassigning what the buttons currently do, but looking for any on-screen options instead.
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Aug 28, 2012
is there a way to turn it off for all functions, including apps? i have a motorola droid 3.
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Dec 25, 2009
I disabled it, and the phone performs the way it should. Fast, no lag anywhere. Stable. I am sad. To get a good phone, I have to turn it into a Droid? So is there a comprehensive list of the Sense features?
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Jun 29, 2010
What are some of your favorite features about this phone? Aside from the screen and speed, for me it might have to be the file sharing appplication (as seen in the mobileburn video review pt.3)...I have gotten so sick of having to email pictures I take to my computer, so just being able to send em through the app over.
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