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Android

Great Reads

A Journey to the World of Android Wearable

by ridoy

A brief explanation of application development for Android Wear, helpful for every beginner and intermediate android developer.

Android Services and More

by Safak Tarazan

Usage of services, alarm manager and broadcast receivers

Introducing Calcium for Xamarin.Forms

by Daniel Vaughan

Create best-in-breed cross-platform MVVM apps using Calcium for Xamarin.Forms.

Never Buy A Garage Door Remote Again: Open Your Door With Your Android Phone (via Bluetooth)

by raddevus

Steps for building a device you can add to your existing garage door, which implements an atmega328, bluetooth (hc-05) and relay module which will allow you to open your garage door from any paired Android device.

Latest Articles

Windows / Android (C#/Java) Compatible Data Encryption with Compression

by JudyL_MD

Code sample for passing encrypted compressed data between Windows and Android

Debugging Memory Leaks in Android Applications: Integrating LeakCanary with RxJava

by Ayush Vijaywargi

Enhancing Android app stability by integrating LeakCanary with RxJava for efficient memory leak detection and resolution.

Running Automation Tests At Scale Using Appium

by Suhagkumar Vamja

The article discusses the challenges faced by businesses in releasing mobile applications quickly and the importance of faster time to market (TTM)

Generate Icon Sets for Android and iOS in Native Mobile App Development

by Zijian

Use PowerShell scripts to generate icons of native mobile apps

All Articles

Android

How do I create infinite scrollable surface which can contain other views?

6 Jul 2016 by " ! MASTER >< MIND ! "

I'm curious about how to implement (in a launcher, preferably) an infinitely scrolling (vertical and horizontal) surface/ViewGroup which can contain other Views.For example, please see the scrollable background of the launcher in below video:Lightning Launcher - First steps -...

How to use Alarm Manager

5 Apr 2011 by #realJSOP

This is the first of 132,000 results returned when you google "android alarmmanager":http://developer.android.com/reference/android/app/AlarmManager.html[^]And you spelled your user ID incorrectly - it's "Bourne", not "Borne" (unless of course, your last name really is "Borne").

Android and DLL File Integration

6 Apr 2011 by #realJSOP

No. Android is Linux, not Windows. What you want are .SO files (the Linux equivalent of a Windows DLL file).

Recognize person's voice on android mobile 1.5

18 Apr 2011 by #realJSOP

The best I can do is refer you to this google search phraseandorid speech recognition[^]

How do I code a live streaming app in android studio

24 Mar 2018 by #realJSOP

Google is your friend c# live stream in android - Google Search[^]

Error: program type already present: httpclient.httpresponse

16 Jun 2019 by #realJSOP

Search engines are free to use: "program type already present" at DuckDuckGo[^]

How To Call WCF Service in Android app for Data exchange?

18 Mar 2014 by . _Puneet Sharma

Dear Friends,How To Call WCF Service in Android app for Data exchange?Kindly Provide me step by step solution

Unable to Call Wcf Service from Android ?

20 Mar 2014 by . _Puneet Sharma

Following is Complete Code service is live alsoon 223.30.26.198/MyWcfServiceusing System;using System.Collections.Generic;using System.Linq;using System.Runtime.Serialization;using System.ServiceModel;using System.ServiceModel.Web;using System.Text;namespace...

How to Start new Activity in Android(in AsyncTask) on Post execute use if and else statement ?

28 Mar 2014 by . _Puneet Sharma

How to Start new Activity in android (in AsyncTask) on Post execute use if and else statement ?

How to Create Google Map in Android. showing error update google play service

10 Apr 2014 by . _Puneet Sharma

Dear Friends, I want to integrate Google map with my app. I have google api key , i have done all permission in manifest and in layout using fragment to call google map but when i debug my code then its returning google map null can give me solution .........

Visual studio 2010 project to Android

23 Jun 2012 by 07405

Hi..Is it possible to convert visual studio 2010 project to android. If possible let me know details about how to convert.Thanks in advance....

How to make an android project in Eclipse?

19 Jan 2014 by 09hadi

I just downloaded Eclipse Keplar, followed by the Android SDK and the ADT. When going to make an android project it shows a cross against package name and theme. Also the next button is disabled. What to do?

How to make srollable div for android tablet?

31 Jul 2011 by 123arvind123

Hello Guys, Well I am converting a web application which is made using html, javascript, css and ajax.Now I also want to open this apps on the android tablet but I do not want to change the coding techniques because this apps will going to open on the browser of the...

How to install google chrome on android 3.0 emulator?

2 Aug 2011 by 123arvind123

Hello Guys, Well from last couple of weeks I am developing an application using html, javascript on android emulator3.0which I am running on my desktop.To run my programs I use webkit browser which I think default one for the android emulator and it is showing many problems to...

how to set height and width of window.open?

19 Aug 2011 by 123arvind123

Well I am developing a lookup using window.open object for the web apps which runs on the webkit browser of android tablet.Now the problem is the object is not displaying to its given height & width on the tablet while it is displaying good on the windows desktop.Following is my...

How to create two separate android application projects in android studio?

3 Feb 2024 by 3bdelrahman

How to create another android application project in the same android studio which already have a project and an application . Is it possible to have two separate projects with two separate android applications in the same android studio? What I...

Recognize person's voice on android mobile 1.5

18 Apr 2011 by 3bou Habeeb

Hi,I want to know how I can recognize a person by his voice in order to log this person in to phone on androiod mobile?Can any one help me to find out how to match audio/voice on mobile or using a framework om mobile plz????

How to integrate Facebook, Twitter, Linkedin in Android Apps

12 Sep 2012 by 3PillarLabs

This article help users to integrate Facebook, Twitter, Linkedin, MySpace functionality easily in Android apps.

Get Photo Albums from Facebook and Twitter in Android

21 Nov 2013 by 3PillarLabs

Get photo albums from Facebook and Twitter in Android.

how to create an application on android to search in my website

29 Nov 2012 by 404337943@qq.com

兄弟这个有点难度坑爹啊你不懂得以后可以交个朋友吗

writting my own app for the first time

9 Nov 2010 by 5seconds from impact

i would like to know if there is a template for app making out in the market place.os systems would be android or for the iphone.please help i've got to get it out quickly before some one else does

Extjs Grid problem with jellybean 4.4.2

23 Feb 2014 by 7045Jeegnesh

we used extjs grid in our application, it's working fine in all the Internet Browser,Ipad ,Iphone ,Android phones yet..but now with jellybean 4.4.2, we face a problem in all android i-pad that is Extjs Grid is not loading value on first time load, we always need to refresh it.why this is...

Who can tell me some books about Android programming

23 May 2012 by 855

I know some books about Android programming, but i want some really good ones.

Which .NET API(i.e web API , REST) are suitable android, ipad apps and web application

2 Jul 2017 by 9000605667

I am writing one .net API for Android, Ipad apps and Web application So i am little bit confusion which is suitable for above kinds of app. So Please give me guidance which can i pick to start (i.e) Web API (or) REST. Thanks, What I have tried: So Please give me guidance which can i pick to...

android studio showing code in italic

3 Mar 2015 by __John_

For example:File myFile = Environment.getExternalStorageDirectory();What is the significance of the function name in italic?Thanks.

How to set text size of Spinner only, not the items

9 Apr 2015 by __John_

I have a spinner control that is scaled up 200% to make it easer to use.This means the text is also scaled up, so I need to reduce the size of the text to half size. I can do this by using xml, but I need to do it in code.I can not find any way to do this programmatically?Just to be clear...

how to make php webservice call in android

2 Sep 2012 by __TR__

Take a look at this CP article. Send and Receive JSON between Android and PHP Web Service[^]

how to send data from my android device to php mysql using json?

8 Sep 2012 by __TR__

referSend and Receive JSON between Android and PHP Web Service[^]Connection between PHP (server) and Android (client) Using HTTP and JSON[^]Android Development: Implementing a simple Client-Server model[^]More resources here[^]

I want to learn android please help me . i don't have any knowledge about android

10 Sep 2012 by __TR__

I agree with Andrei. You can't really learn unless you're trying. There are lot of links available in google[^]. You just need to comb through them and see which one suits you best.There is also a very good CP articleAndroid - A beginner's guide[^]You can find more CP articles, Videos,...

Dot net web service consuming in android application

10 Oct 2012 by __TR__

This article might help youCalling ASP.NET Webservice (ASMX) from an Android Application, the Simplest Way[^]

WMS do application using some lib

13 Sep 2012 by _Amy

Hi,Refer the links below:A Simple WMS Client For Android [^]http://confluence.prodevelop.es/display/GVMN/Home[^]Some Andorid WMS clients[^]Hope it helps.--Amit

Deleting file from external storage in android

3 Jun 2013 by _Amy

I agree with Prasad in Solution 1[^]. I am adding few links which will explain you about storage option in android.Storage Options[^]Android Environment[^]--Amit

Please Help Me For Andriod Application Tutorial for Beginners

28 Jul 2014 by _Amy

You can start fromAndroid Development - Getting Started[^]Android Development - Tutorial[^]You can refer Youtube : Android Video Tutorial[^]You can go for a online training Lynda : Android Training Tutorials[^]Some of the free pdf's:Android Tutorial[^]Android Development...

How to add jar into eclipse project

9 May 2011 by _Ares!!!

Hello everybody!Once I read an article where was wrote how to add jar's file into eclipse project.When I followed this instruction it didn't work!Instruction's snippet:Open project's properties -> Java build path -> Add external JARs and then you can use this byte code like...

Custom tab control Android

10 May 2011 by _Ares!!!

Hi all!I need to know how can I create custom tab control which will be used like below:....MyTabWidget should automatically increase tabs in MyTabHost.Can I use attributes in the MyTabHost's constructor?Could anyone help me?

Two questions about android!!!

18 May 2011 by _Ares!!!

Hello everybody!First question is about how to pass java file(not xml) like attribute through xml?For example:

Why does CursorAdapter set cursor into different places after bindView

8 Aug 2011 by _Ares!!!

Hi all!I've got a problem! I have a ListView which fills by CursorAdapter. Rows into ListView have 2 TextViews and 2 EditTexts. When I press on EditText(which one it doesn't matter), row which contain this EditText get focus. Then I insert some value and put it into my database. After that I...

Parcelable complex object

9 Aug 2011 by _Ares!!!

Hi all!I want to wrap complex object(like Context) into parcelable's wrapper. When I try to convert my parcelable wrapper to parcelable wrapper I get error!Code snippet:My parcelable class:public class ParcelableContext { private Context mVal; public...

Anonymous inner type provoke error in edit mode

1 Sep 2011 by _Ares!!!

Hi!I need help. I try to extend button class. Everything is ok, but if I add anonymous type I have an error in design mode! Code snippet below:public class ExtDatePicker extends Button { private int mYear; private int mMonth; private int mDay; private View view = new...

SurfaceView isn't valid

25 Sep 2011 by _Ares!!!

Hi all!I try to get fullscreen's screenshot in Android. I've found code snippet on internet which do it through openGL. But it doesn't work!Code snippet:public class RemoteManager extends Activity { Bitmap mSavedBM; private EGL10 egl; private EGLDisplay display; private...

Rooting android emulator

27 Sep 2011 by _Ares!!!

I have to root android emulator. I've found some articles, but I've got the same error every time! It's 'cannot create su: Out of memory'!What I did:1. adb push su /data/local2. adb shell 3. #su4. #mount -o remount,rw -t yaffs2 /dev/block/mtdblock3 /system5. # cd /system/xbin6. #...

Rooting android emulator

28 Sep 2011 by _Ares!!!

I've got answer on my question! I must run an android emulator with -partition-size 128 option. It should look like below:android-sdk-windows\tools\emulator -avd MyAndroidVirtualDeviceName -partition-size 128After that I can root my emulator.

Superuser gets an error on execution

28 Sep 2011 by _Ares!!!

I've rooted my android emulator. I used instruction from http://forum.xda-developers.com/showthread.php?t=682828 But when I used this code below I got an error. Code:Runtime rt = Runtime.getRuntime();try {Process proc = rt.exec("su");InputStream is =...

Convert /dev/graphics/fb0 to bmp

3 Oct 2011 by _Ares!!!

I have a raw image from fb0 device. I need to convert it into bmp format. I found some code which do it, but I don't know C language. I need to do the same in Java code. Anyone could help me to convert this code into Android Java code? http://www.pocketmagic.net/?p=1473 The best way would be if...

Please Help Me For Andriod Application Tutorial for Beginners

4 Sep 2013 by _Asif_

If you could have done a simple google search you would have found following article.Android - A beginner's guide[^]

Which programming language I shuld learn C#, C++, C, Java, Python, Rubby or etc.

3 Aug 2014 by _Asif_

If you really are looking some serious stuff and have passion for it then my advice for you to start with VC++ because it is only VC++ that can you give you most of the flavor, whether its device driver development, desktop applications, web applications, server side applications, mobile...

Windows-Phone-7

How to parse string into jsonobject in android studio?

13 Jan 2022 by _Asif_

you are receiving XML as response instead of JSON that is why following line is giving exception. JSONObject jsonObject = new JSONObject(response); You need to change these two lines JSONObject jsonObject = new JSONObject(response);...

How Can I Saved Onclickitem In Listview?

4 Mar 2015 by _bluRe_

EditText txtInput;Button btnAdd;Button btnSave;ListView list;ArrayList lists;ArrayAdapter aa;@Overrideprotected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); txtInput =...

How Can I Change Text Of Selected Date In Calendar View?

15 Mar 2015 by _bluRe_

@SuppressLint({ "ResourceAsColor", "SimpleDateFormat" }) @Override public void onClick(View view) { String date_month_year = (String) view.getTag(); selectedDayMonthYearButton.setText(" " + date_month_year); Log.e(" ", date_month_year); SimpleDateFormat df = new...

How Can I Directly Alarm My Phone Through The Message I Receive?

22 Mar 2015 by _bluRe_

public class SMSReceiver extends BroadcastReceiver{ @Override public void onReceive(Context context, Intent intent) { //---get the SMS message passed in--- Bundle bundle = intent.getExtras(); SmsMessage[] msgs = null; String str = "SMS from...

I want to view my website on android application

18 Aug 2014 by _CSX_‎‎‎

WebView w=(WebView)findViewById(R.id.webView1); WebSettings set=w.getSettings(); set.setJavaScriptEnabled(true); set.setLoadWithOverviewMode(true); set.setUseWideViewPort(true); w.loadUrl("http://svusurvey.somee.com/login.aspx");

Writing Games with C++ for Android on a Mac - Setting Up

30 Jul 2014 by _Maxxx_

A step-by-step beginners guide to setting up a development environment to write games using Cocos2d-X 3.2 on a Mac

Writing Games with C++ for Android on a PC - Setting Up

16 Sep 2014 by _Maxxx_

A step-by-step beginners guide to setting up a development environment to write games using Cocos2d-X 3.2 on a PC

how to rectifiy this error ?

17 Sep 2014 by _Maxxx_

Try googling[^]

The application has stopped unexpectedly

30 Aug 2013 by _Sahar

HiI'm trying to display farsi textview in my application,but it has error to close the application.This is my code of Main.java:public class MainActivity extends Activity {TextView txt;@Overrideprotected void onCreate(Bundle savedInstanceState)...

The application has stopped unexpectedly

30 Aug 2013 by _Sahar

I'v solved this myself;the font I used it doesn't exist under the project so the problem was made.

Drag & Drop Button in Android

30 Aug 2013 by _Sahar

Hi dearsI want to create dragable button in android using Api7 or Api8.I search for it but I couln't find my answer.How could I create this button?

Drag & Drop Button in Android

31 Aug 2013 by _Sahar

myOnTouchListener = new OnTouchListener() { public boolean onTouch(View v, MotionEvent me){ if (me.getAction() == MotionEvent.ACTION_DOWN){ oldXvalue = me.getX(); oldYvalue = me.getY(); Log.i(myTag, "Action Down " +...

Button over another Button

31 Aug 2013 by _Sahar

I decided to create button which I drag it to another button, So when the button is over it and the mouse or anytouch is released, programmatically check the text of two button.This code doesn't work.public boolean onTouch(View v, MotionEvent me) {// TODO Auto-generated method stubif...

use Gif file in android

3 Sep 2013 by _Sahar

HiI'm using gif image by ImageView in my android application, But the picture doesn't have any...

design a custom view

5 Dec 2012 by _sharath_

Does any one have any idea of creating a custom component like http://www.css-resources.com/balloon-right.gif[^] this image instead of using the image itself.I know how to create a rectangle (a rounded one using the XML and not in Java) which was found in Google easily, but I am not able to...

custom-controls

Creating an Android trial application that expires after a fixed time period

13 Oct 2015 by _simi

Hi,Myself developed a android application and it wanted to be implemented on client device directly not on Google play.Now we want to add some licensing for the app such as, it must work only for specified no of days.Please let me know if there is any library available to do checks...

How Can I Store And Read Information In Qrcode Programatically

3 Oct 2014 by _Starbug_

hi friends.i am developing an application for android in eclipse using java. i want to user can enter some information about himself and after that i can to create QR Code for it. how can i do that. and i want to read that information's from QR Code later and show it's value for user. how...

Scroll view not workingbelow is XML code

29 Jul 2018 by _Starbug_

Use this instead >

How to modularize code and layout XML files in android project

7 Feb 2020 by _Starbug_

Hello every one. I developed a project in android environment that works fine and it is exactly same as xd file(Adobe xd) that employer give it to me. but unlike apk file that is very good when a programmer from employer side seen my codes he say your codes are not modular. for example he say...

project-management

Is theere a sample dimen file that used in every android project?

25 Feb 2020 by _Starbug_

hello guys. I searching about a sample dimen file that has definition about standard sizes about margin, padding, text sizes and other things like them that every Android programmer use in his projects. Thanks so much. What I have tried: I...

How to implement this effect?

8 Mar 2020 by _Starbug_

Hi All. I am developing an android application that there is a effect i want to implement. i do not know what is the name of that effect. it seems ripple effect. i searched about it but no good results found. this is the link. i need orange...

How to implement this effect?

8 Mar 2020 by _Starbug_

I found it. it is named as circular reveal animation. this is the code for implementing it. private void RippleAnimation() { // get the top left for the clipping circle int cx = 0; int cy = 0 ; // get the...

I need the help to find a "final year project" ideas for android applications

14 Jul 2013 by _Tolen_

Hi there , I have a problem now with my final year project because my prof asked me to make my project in the field of hardware BUT Actually the funding will be more than I can and I have no sponsors !SO I need your help to find a very good idea in the field of software like android so...

Help in android application

28 Jul 2013 by _Tolen_

I want some help here please:I have a graduation project the subject will be about designing an application using android to measure the level of sugar in the human blood.It is OK to me if the project requires a C# code.For this moment I am in the first stages.I am actually...

Unfortunately appname has stopped

6 Apr 2016 by _Tuba

I'm newer in development google maps Apps in android eclipse I have problem when run my APP the error is "unfortunately APPname has stopped" this is my code MainActivity.javapublic class MainActivity extends Activity { //static final LatLng TutorialsPoint = new LatLng(21 , 57);...

Display array in textview

4 May 2016 by _Tuba

I'm trying to display array in textview but when rum the APP have this message "unfortunately has stopped"What I have tried:This is codeJava code protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...

how to Deployed Android Poject On Mobile Handset

27 Mar 2012 by _Tushar Patil

Hi,So Many Answers On Google[]

Cannot update listview through activity

9 Apr 2014 by A College boy

i have created an listview based app in which when i add data through another activity the data doesnt get updated in the listview where as it should get updated in the listview !!when i have created an onSave method on the save button in the activity but it doesnt seem to get updated in the...

Integrate Google Cloud Print with Android

4 Feb 2015 by A Patil

Does anyone have a sample Android application/example code which demonstrates using Google Cloud Print service to print to a registered Google Cloud printer?Any help with analysis/design will also be highly appreciated.Thank you

Installing Applications on android from your computer

30 Aug 2010 by a-machan

The purpose of the article is to provide a simple description to install applications that are not available on android market or for testing our own applications on the device. The android installation executables will have an .apk extension (apk – android package)

Generator for SQLite Use in Android

13 Nov 2014 by A.Ebrahimi

Tools introduction for Android developers who use SQlite in coding

What is wrong in this image with NumberPicker

17 Apr 2015 by A.Ebrahimi

I have used a number picker to select date in my app.On samsung device Year is visible but month and day is so small that can not type number, or push -/+ button and see datehttp://yazd20.com/123.jpg[^]This image on samsung

Why onActivityResult can not catch result from browser?

10 May 2015 by A.Ebrahimi

In my android app I call web brower to show a URL, I MUST do it, I am not allowed to use internal webView,protected void browser(String javab){try { String uuId = dicHelper.getDicNameByKlidValue(Constants.SETTINGS_USER_INFO, Constants.USER_INFO_GUID); String uri =...

FTP in Android Eclipse

23 Nov 2012 by A.J Bosch

Hi there I need Urgent help please I am trying to connect to a FTP server but it bombs out at mFTPClient = new FTPClient();with this error when I mouse over FTPClient(); Quote:Note: This element neither has attached source nor attached Javadoc and hence no Javadoc could be found.I Have...