Mobile Development Forum

Im android developer < I started with android without abase of java. well I worked as android developer for a year but I feel that my skills not improved very well after a year just like something missing. my question is: if I focuse on learning android gonna make me …

I've been having this issue for a while and can't figure out how to fix it. I have one activity with four fragments. I'm having an issue with one fragment. I have a button on this fragment that when pressed needs to add another button. This works. However when I …

I am a newbie in Android App Development. I have designed basic apps like a simple notepad but I don't get pretty good tutorial books on how to do it. Would you please recommend me a link where I can get awesome notes on the same. Thanks

Hello there! I'm trying to understand some basic android animation programming using Android Studio, and I have followed some tutorials on the internet. I already know some basic java programming, but I have a problem with my "copy/paste app" I made from youtube. This is my MainActivity: public class MainActivity …

hi all, i create full duplex application to transmit voice using udp protocol , i use AudioRecord to record voice and AudioTrack to play it but i hear echo

Im designing a app that after press a button textblock1.text goes with "YES" if press an other it goes "NO" how to make it save that text when close the app and show the some text when app load? and on visual basic

Im trying to develop a Android game, the problem is that after like 2 min of playing my game start to lag until it freeze forever I wont put my code cuz i dont want to bother that much and its large and i dont know even where the problem …

Hey everyone! I'm brand new to Android and have been working on a very basic app that just takes a picture with an image overlay and saves it. So far I have figured out how to get the camera preview, take a picture, and do an image overlay on the …

Hello all: I'm teaching myself Android, using Android Studio, and when I try to run the emulator, it doesn't start up. In otherwords I see the mock device, but the start (home?) page does not appear. I've waited the customary 3-5 minutes and I've even tried creating different emulators, but …

how can i access the contacts on the device then show it in list

Hello everyone, I am trying to connect my android application to MYSQL database. I have used the following: MYSQL already created database test (accessed via xampp using localhost/phpmyadmin) Created a table named as student in the database test consisting of Name and Roll No columns and 2 records. A user …

Hello i have a website and i want to make it an app. I use php and mysql. What is the best way to start?

Hello i have a problem. I am trying to make my website an application. I am having problem on the login page. I made the connection with the database but i cant log in as a user. this is the code. Can anyone help me? <?xml version="1.0" encoding="utf-8"?> <s:View xmlns:fx="http://ns.adobe.com/mxml/2009" …

I am using Eclipse helios and Android 4.1.2 i have followed the following documentation https://docs.google.com/document/pub?id=19nQzvKP-CVLd7_VrpwnHfl-AE9fjbJySowONZZtNHzw and done the coding exactly as described in tutorial.when i run my app on emulator it shows "This app wont run unless you update google play services" but on real device which is sony xperia …

I have windows 7. I know C# and web services (HTML, CSS, JS, ASPX). I want to develop mobile apps with my skills for iOS (the most important option) and android. I'm looking for a studio platform that I could develop there with my skills, something that I can build …

hello, i would like to ask if it is possible to write a browser that it capable of develering a full but smooth javascript experience on a phone with for example a single core processor, 200mb ram and 30mb of free internal memory on sites such as tv.jw.org or touchdevelop.com …

hi i'm a new android app beginner.i was wondering if anyone could help me to solve the issue here: public class MainActivity extends Activity { BluetoothAdapter adapter = null; BTClient _bt; ZephyrProtocol _protocol; NewConnectedListener _NConnListener; private final int HEART_RATE = 0x100; private final int INSTANT_SPEED = 0x101; @Override public void …

i want to record voice then play it at the same time but when i use the below code i got delay and echo of the voice and some noise i will be grateful for any help int bufferSize = AudioRecord.getMinBufferSize(frequency, channelConfiguration, audioEncoding); AudioRecord audioRecord = new AudioRecord( MediaRecorder.AudioSource.MIC, frequency, …

Hello I had put a question before about the editions of Java and the difference between them and the reason for my question is that I want to work through an android project and I think that before beginning in the project I must know how to write code in …

Hi i want to develop new android appliacation with out any programing code it means don't want to write any code for this application,is there any possible to do this one and please tell me what are the web sites i have tpo fallow for done these things.

in chat application ,, Two friends x, y (used the same device) x Send to y message then stored in database x make log-out of the application and y log-in application and open chat and received the message here the message stored twice on the local storage and this is …

i want to start developing ios apps on my lap (windos) i dont have mac so how can i start

hello all, I am working on android project. i have started background music in one of my activity named"myMainScreen.java" now on that activity i have put one button. while clicking on button i will redirected to another activity called"page_play.java" through intent. Music will get stopped on the second activity(page_play). but …

Hi all, Im trying to create an AES Shared secret to encrypt and decrypt a message in J2ME. Ive already tried this code in J2SS and it works fine but when i try to use the exact same code in J2ME it doesnt work. I get the following error : …

I actually want to ask that I have to make fyp management system`s website and its windows mobile application but I dont know from where to start .Can somebody guide from where I should start and how to start it?

I am new to android programming. I tried to execute a app from one of the tutorials and it is showing runtime error. If it runs highscores menu. Application closed. Below are the error messages from logcat and the activity file. Appreciate your help. Thanks in advance. ERROR 12-15 03:49:51.124: …

Hello everyone, I have a page written in HTML5 which atuomatically resizes the page when used on different devices. I also have a menu which goes from a drop down menu in desktop mode to a sort of pull down menu in mobile mode. This video pop-up works in desktop …

I am trying to add banner ads(admob.com) on my libgdx android app. but I am getting an following error: "Common_google_play_services_notification_ticker" is not translated in "be" (Belarusian)(11 iteams)... This error was in "common_string.xml" file in my "google-play-services_lib" folder <?xml version="1.0" encoding="utf-8"?> <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2"> <!-- Title for notification shown when GooglePlayServices is …

i am using page view in android and i view in this page viewer an images. so i want to make event for on click. however, i call the image from another class like root view and i want the response of event from main class openoptionmenu() so i is …

Hello daniweb experts, I would like to ask some help or some idea on how can i send data via post to my webpages if there is session....the webpage(http://mysite.com/adduser.php) is checking if the login user is already have session. I want my android apps can send data to the adduser.php,but …

I'm making an app that allows users to add speech bubbles on runtime and place them any where on the screen. First I was using a different approach and I failed. So I found a tutorial that had a simple drag and drop way. I am able to create a …

Hello, sorry to bother you but I have ran into another small problem that I can't figure out. I've watched tutorials, browsed stackoverflow and googled it and still can't get it working. I'm making a really simple app where the user can change the application's background color by using a …

Hi, I was wondering if anybody is willing to share some information on how much can you earn from implementing add ons to your application? I know that I can not find such info on the web so I want to ask people who actually earn from app advertising. And …

Hi guys, I am pretty new here and with android development. I have created my first app and am looking to expand on it and add some more style to it. What I am trying to do is add a navigation drawer to the app. So instead of the buttons …

Hello New One in App Developement I need information about.. I want to make Store account in both Google Play and iTunes for hosting of my application so any cost required for registration.where i can register.? any one help me. Thank You

Hello, Could anyone help please on the next topic? My android app does not start on emulator. it gets stuck on this step "Starting activity com..MainActivity on device emulator-5554" package com.fun.funapp; import java.util.Random; <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.fun.funapp" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="18" android:targetSdkVersion="18" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" …

hi all, i want to create an application that transmit voice in a sequre way i have read a lot of information about this subject but i have no idea to start with thanxs in advance for any help

i am designing an android app and in me deisgns there is one with a tabView thats hosts another tabView in one of the tabs. i want to know if there is a way to implement this design please, if yes i would appreciate some suggestions and pointers. below is …

Hello i have a little problem with moving ball around screen, also i'm confused why i cannot put this variables `double x = 0, y = 16, muvx = 0, muvy = 0;` at the public class MainActivity to be local variables and also i don't know how to set …

Hello, I am a new developer and am making my first app which will be open source after I finish it. How do you make a notification apply to all dynamically created objects rather than the last one in a linear layout? I have created 2 methods, one called CreateDialog(); …

I would like my app to go to another page when i slide it horizontaly. I don't know the appropriate name of such an action and therefore am not able to find any refference on google. Can anyone point out the keyword that I missing and give some links for …

Hey guys, I'm trying to make an app where if I press a button an audio plays I use android studio The code compiles and all but, if I press the play button then the audio does not play..What am I doing wrong? Thanks! MyActivity.java File : package com.example.hayzam.bb; import …

How to make an app that fetch online data from different websites and update automatically updates.

Hi I have two edittexts and I have to generate random no and randomly show in one of two edittexts. generating random no is ok,but randomly showing in one of the edittext, I donot have any idea. if any one have any hint or any arrticle.,Please help

I have a webview on my android application and I loaded a URL on it. In the URL, javascript code should reload the page periodically. But when "window.location.reload();" is called, a browser app comes front and reload the url int he browser. I know how to reload the page using …

Hi.. I am trying to make a broadcast receiver that receives BOOT_COMPLETED when the decvice is powered up; and eventually I want to launch my application. Here's my code: MainActivity.java BroadcastReceiver mReceiver = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //receiver IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON); filter.addAction(Intent.ACTION_SCREEN_OFF); filter.addAction(Intent.ACTION_BOOT_COMPLETED); mReceiver …

The title says everything, I was searching through google why this is the case but haven't been able to find any answers. Any reference would be greatly apreciated...

I want to build an simple android download app without using download manager. I try to implement it with asynctask. But I don't know how to implement "pausing and resuming when Based on the internet condition". That is when I click the start button, it start to download if connected. …

Have the Proscan PLT8802G-2014-0314 Android 4.2.2 Tablet. Just added a 32GB SD card and want to run most apps from the SD. Manual is poor and I seek an informed opinion. I know there is an internal storage in setting... not enough information