Android :: Start Developing Mobile Application
Sep 8, 2010
I have developed web applications but know i'm thinking to get hands on Mobile Application. So how to i start it n from where coz i have no idea about Android,iPhone,Symbian etc.. nor i dn't have a big Phone to know how applications runs on it..mainly i want to focus on Android Applications, is there any simulator for Android Phones, i dn't even know how to use simulators..I just need a step-by-step tutorial for mobile app development n Android Application.
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Jul 30, 2010
More and more mobile platforms are being launched and sdk's are available to developers. There are various mobile platform are available,Android,iOS,Moblin,Windows mobile 7,RIM,symbian,bada,maemo etc.
And making of corss platform application is headache for developers. I am searching common thing across the platforms which will help to developers who want to port application to all platforms.Like what is the diff screen resolution, input methods, open gl support etc. please share details that you know for the any of platform . or is there possibilities , by writing code in html (widget type of thing) and load it into native application. I know about the android , in which we can add the web view into application. by calling setContentView(view)
Please share the class details where we can add the html view into native application of different type of platforms that you know.
Purpose of this thread is share common details across developers. marking as community wiki.
Cross platform tools & library
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Nov 24, 2010
I am new to Android and i have create some navigation base Application. now i Want to make some simple racing game so can anybody provide me tutorials for how to start developing?
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Apr 27, 2010
I have an existing C++ library that I want to compile into a static library, and call commands from it with Java on the Android platform. I am brand new to Android development, and just need to figure out how to set the Java interface up so my C++ lib works on the Android. Where do I start?
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Jan 19, 2009
is it viable to develop applications using a stock T-Mobile G1? I guess in contrast to the emulator the real thing is restricted when it comes to debugging.But, is there a simple way to just transfer my self developed, self compiled APK to the phone and install it there? I do not have to go through the market for that, do I? :) Then again I guess it's not as easy as with the emulator, just clicking "Run" in Eclipse - or is there a way to tell Ecllipse to transfer the freshly compiled software to the *locked* phone?Yes, I know I could get an unlocked Dev Phone 1, but, my question is whether this would be *required* or, if not, what my options as a developer are when working with a stock, locked, phone.
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Nov 24, 2010
I am getting out of time for the android app. I am not a lazy guy but I got indulged in some urgent problems. I am a recent computer science student and have intermediate knowledge of java. However I am good at PHP. Way to learn Android and start developing apps immediately.
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Apr 27, 2009
How to develop applications for Android. I downloaded the Android SDK but I don't see where to begin.
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Mar 23, 2010
I am currently learning to develop Android applications, and to do this I have decided to develop a dictionary application. The UI, and search facilities are no problem to implement, but my question is, what is the best way to store the entries and definitions for the dictionary? Would XML be the best approach? I would be looking to include 500 - 1000 entries.
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Sep 23, 2010
I'm interested in developing a pdf viewer applications for the android platform. Can anyone give me some kind of idea to begin with?
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Sep 9, 2010
I am developing one application in which i am getting an exception, and i know this one is the silly or small mistake which i am doing but your help may catch me out and make my day:
CODE:.......
In above code, if i make i=0 or i=1 in tryDemo function then it is running successfully , but if i make it other than 0 or 1 then it throws an exception as "Demo - Demo Exception".
I am not sure but i think the exception raises from getApplicationContext().
Update:- 1
The exception which i am getting, as follows:
Update:- 2
If I remove the "thread" part and wrote the whole function code in the button click event and replaced the "getApplicationContext()" with v.getContext() then it is running successfully.........but i want to implement it within the THREAD.
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Dec 10, 2009
I am developing an application in which I have used AdMob. When I run the application on emulator the it runs proper i.e. I get ads near about 8 times out of 10 requests. But when I run it through handset, the response get decremented i.e. I get near about 1 to 2 ads out of 10 to 20 requests.
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Jul 19, 2010
I want to develop application that should support all version (latest and old) and it should adjust screen resolution (large,medium). I read document. There I found legacy application if I develop application in 1.6 there I am giving:
<uses-sdk android:minSdkVersion="3" android:targetSdkVersion="4"/>
Is it good way to develop application and is it support 1.5 and 1.5+. Users able to find my application there market.
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Mar 6, 2010
I want to develop UI of the application which looks similar on all screen sizes. I have gone through the Android developer article regarding this. I am using supports-screen tag but then also the screen is displayed not displayed properly in the larger screens. The screen is displayed properly in HVGA and not in WVGA.
I have developed the application using Android 1.6 and set the minimum SDK version as 4. The application is running properly on HVGA avd but not on WVGA avd. Can I know the reason for it? Is there any solution for this? I want that the user interface of the application should look uniform in all the handsets.
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Jun 9, 2010
I'm making an ecommerce application on Android and, as it is my first serious project, I'm trying to figure out beforehand the best approach to do this.The application talks to a web service (magento api, meaning soap or xml rpc unfortunately) and gets all the content on the phone (product categories, product details, user credentials etc.). I think it should do lazy loading or something like that.
So, I was thinking to keep the user credentials in a custom Object which will be kept in a SharedPreferences so that every Activity cand easily access it. I'll use a couple of ListViews to show the content and AsyncTask to fetch the data needed. Should I keep all the data in memory in objects or should I use some sort of cache or a local database? Also, I'm planning to use a HashMap with SoftReferences to hold the bitmaps I am downloading. But wouldn't this eat a lot of memory?How cand all the activities have access to all these objects (ecommerce basket etc.)? I'm thinking of passing them using Intents but this doesn't seem right to me. Can SharedPreferences be used for a lot of objects and are there any concurrency issues?
Any pointers would be really appreciated. What are some good guidelines? What classes should I look into? Do you know of any resources on the Internet for me to check out?
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Jul 7, 2009
What mobile platform should I start learning?
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Apr 17, 2010
First of all, I just want to say I am a software developer, but I am not an Android developer. However I usually walk around and think on stuff. AndI've been recently thinking all the news concerning how fragmented Android is getting, with different Android versions and tweaks by different phone manufacturers, and then for developers you have different size formats. An example would be that HTC Tattoo might not be able to run everything that another phone might run, due to different screen formats, etc. And now the Android tablets are coming with different Android versions and different screen sizes, all from 5" to 11". Will this make developing Android applications harder? Apple has it safe here since they manufacturer all devices that run the iPhone OS: the pods, phones and now the pad so they can easily control and make sure not to loose any customers by introducing a new device. When Apple introduced iPad they had to make sure that all the old iPhone applications would work on the iPad. They solved that neatly by saying that iPhone applications will simply be stretched out to the double size and it would fit on the iPad. Unfortunately Android does not have the same luxury to do this. As I said, I am not an Android developer. Just a curious software developer For you guys who work actively in the Android community, does Google have a solution for this? Will you be able to run phone applications on the tablets? Is there a bridge between the devices? Are there any standardizations or will Android development become even more fragmented? you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-devel
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Jan 19, 2010
I know about camel case rules, but I'm confused with this m rule. What does it stand for? I'm a php developer, "we" use first letters of variables as indication of type, like 'b' for boolean, 'i' for integer and so on.
Is 'm' a java thing? Does it stand for mobile? mixed?
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Aug 31, 2010
hello all, i am trying to develop a google maps application for android enabled phones using the javascript v3 api released by google.. but i do not understand how to code the entire thing in android.. cuz as far as i am concerned i have only used java code for developing an application in android.. my last semester project consisted of a client application for picasa web albums.. the complete code was written in java.. i am new to use javascripts.. has anyone developed an application for android using javascripts before?? if yes i need your help.. i need to start the project soon..
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Oct 9, 2009
How can I start a new application on Android? I have done a new applications NewHomeScreen and Hello and on NewHomeScreen I wrote this code.
CODE:............
However, it does not start Hello application. Debugger says that state has value null but what should it be? I also wrote this to Manifest:
CODE:....................
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May 1, 2009
I would like to know if anybody knows how I can start my application with an incoming SMS message.
For example, I send an SMS message from phone A to Phone B. When Phone B receives the message, it checks if it is sent to my program. If it is, it starts(run) my application. Important thing here is that my program is not running in the device unless SMS is received, so it can not be listening for SMS itself.
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Jan 8, 2014
When i turn on mobile network, my phone start locking screen many time, until I turn off the mobile connection.
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Apr 11, 2012
I'm developing a chat application that interacts with a chat server on a pc. I've created a login page that has a predefined username as password within it, however i wish to implement a system that checks the login name and password to a database. The coding for the login page is:
Quote:
package com.svennevik.andriod;
import android.app.Activity;
import android.app.AlertDialog;[code].....
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Jun 14, 2010
Is there any one know how to open an App when the Android OS start up, I have to do it in an embedded system?
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May 2, 2010
I love the new Twitter App. I do have one question though. When I open the "Tweets Page", is there any way to set it to start where I left off as opposed to the most recent?
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Feb 21, 2010
I want to know if there is any way to start another application from within my application. Specifically i am trying to a have a shortcut (button) to Google Maps Application within my application. Also is there any way to start another process from within my android appplication?
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Feb 21, 2010
How can I start my android application after pressing particular key?
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Jun 16, 2009
I want to start my application just after it gets installed on the device. Is there any way out in Android to do so. I was wondering if there is any receiver to get informed on package installed.
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Feb 5, 2010
I have application A defined as below:
CODE:.................
Now in application B, how can I write the code to start the activity in application A?
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May 12, 2009
As an exercise I attempted to add an AppWidgetProvider-derived class to one of our existing Android applications. When the widget is created and appears on the home screen, the output from adb logcat notes: W/ActivityManager(58): Unable to launch app com.mycompany.myapp/ 10042 for broadcast Intent { action=android.appwidget.action.APPWIDGET_ENABLED comp= {com.mycompany.myapp/com.mycompany.myapp.MyAppWidgetProvider} }: process is bad
This output comes from around line 10814 in ActivityManagerService (looking at cupcake on git). This is running on an ADP 1.5, FWIW. The same AppWidget code, once separated from the main application's project and put into its own simple project, runs as expected, so I know my manifest entries/XML/Java are all as they should be. Has anyone else run into this, or perhaps can the Android team comment on what aspect of my application might be preventing the AM from starting up the process when the widget is added to the home screen?
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Mar 24, 2010
i want to start an application on receiving sms from a particular number.i am trying it with on Message Waiting Indicator Changed(boolean mwi. method but i m struggling.so, anyone there to help me in detail?
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