Mobile Development Forum

Hello guys! I'm trying to create a countdown timer for a memory app. The user is given about 5-10 seconds to look at the gridview of pictures then the countdown timer starts. I was wondering how I can achieve this. The code below shows the countdown timer which starts at …

Hello, I need help with android programming. The problem is that I can't make this portion of my codes to work the way I want to. I want to simply: - Delete a record inside the SQL lite database - Delete the record also inside the AlertDialog Single Choice Item …

Hi all, I've been trying to follow the basic Apple developer tutorial, where you create a food tracker app. I can not get one part of the code to work, and I can't see why. Not only is it exactly the same as in the example, but searches online also …

Hello has anyone build an app using Ionic Creator?

Hello, It would be great if someone tell me how mobile application can generate sales. I am wondering, Should I go for website marketing or app store optimization. Which is the best way to boost the direct sales Thank you

Hello i made a website written on PHP, JAVASCRIPT, JQUERY, MYSQL and i want to make an application. How should i start? I want of course to make it multiplattform (IOS, Android, Windows). What would you suggest ?

Dear Daniweb friends, I created adapter like this: public class PromotionAdapter { String code = null; String name = null; String continent = null; String region = null; public PromotionAdapter(String code, String name, String continent, String region) { super(); this.code = code; this.name = name; this.continent = continent; this.region = …

I installed android studio on my laptop i5 processor and 4GB ram but it is real slow and it also slows my laptop down. I browsed some forums and read the same complaints there too. Does anyone know a good alternative or do i have to resort to programming on …

ello i am a bit confused because i asked a couple of programmers but i couldnt get a straight answer. I want to make my website -it is written in PHP, Javascript, Jquery- a multiplatform app. As far as i read flash builder for PHP with ZEND is the best …

Hi I am currently developing a mobile / tablet application and i've run into a stump. I have a webview that loads a form from a website that i have no control over, this website utilises the django platform. So the situation is this: The form on the foreign website …

How do you test an Android app on different devices and screen sizes (not emulator)? So far I'm just assuming that the XML preview I get in design mode means the app would function, obviously this isn't enough. I don't want to ask friends/family, at least not yet. So I'm …

I want to use geoFence by kitLocate in android but i am facing unkonwn errors, my MainActivity.java package com.nabia.geofence; import com.kl.kitlocate.class_interface.KLGeofence; import com.kl.kitlocate.interfaces.KLApplication; import com.kl.kitlocate.interfaces.KLLocation; import com.kl.kitlocate.interfaces.KitLocate; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import nabia.kigeofence.R; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); …

I have a problem with installing Android Studio i followed thenewboston youtube channel for installing it and when i try to run it shows me some errors: `C:\Users\MONSTER\AppData\Local\Android\sdk\tools\emulator.exe -avd Nexus -netspeed full -netdelay none emulator: ERROR: This AVD's configuration is missing a kernel file!! emulator: ERROR: ANDROID_SDK_ROOT is undefined` i …

Hello everyone i have a problem with my application `onMarkerClick` it works well till i click the marker second time the application crashes here is the code: mMap.setOnMarkerClickListener(new GoogleMap.OnMarkerClickListener() { @Override public boolean onMarkerClick(Marker marker) { builder.setTitle("Set radius in meters:"); builder.setMessage("Info: The radius is set by default on 500 meters"); …

Hi, I am trying to import the package com.google.android.gms.gcm.GoogleCloudMessaging into my project. I get an error saying the cannot resolve symbol. Can you please help me. Thanks in advanced.

May sound all too easy for some, but I'm just getting started on android development and I can't find out why I got an error when everything is exactly as it is in the tutorial. Weird but I'm confused so I thought I'd post to see if someone can help …

there maybe more then 1 link in this html i want them extracted just as i have extracted othe info , am just stuck at extracting the ( ahref ) link from listing-link tag protected Void doInBackground(Void... params) { // Create an array arraylist = new ArrayList<HashMap<String, String>>(); try { …

Hello guys i have a really dumb problem i have two classes the first class is where the input value needs to be applied/readed and the second is where is inputed i do not know how to do that please someone help me This is where it is inputed the …

I have an idea for an android app/add-on. I'm basically a Java programmer and I can develop this using HTML/CSS/JQUERY etc. However, I have no idea on how to develop this for Andriod. Where would be a good place to getting start on app development.

I want to create circle around marker but im having some troubles i have this code Circle circle = mMap.addCircle(new CircleOptions() .center(new LatLng(-33.87365, 151.20689)) .radius(10000) .strokeColor(Color.RED) .fillColor(Color.BLUE)); this code is drawing circle around Sydney but i want to create where i place the marker here is the code together with …

so im working on an app and the tutorial im using to learn the code he uses is depricated for the app version im using. ArrayList<NameValuePair> dataToSend = new ArrayList<>(); dataToSend.add(new ("name", user.name)); dataToSend.add(new BasicNameValuePair("age", user.age + "")); dataToSend.add(new BasicNameValuePair("username", user.username)); dataToSend.add(new BasicNameValuePair("password", user.password)); thats the code im getting and …

I am beginner in android programming, I am making a music app the problem I am facing with my app is when my app is minimized and I try to resume the app from the launch icon, splash screen appears for the specified time but after that the android home …

Dear Core Developer, I want to learn android application development. I am newbie in android app dev. Can anyone please help me out that how to develop android mutiple choice questions (professional) application for mobile and/or TAB. here is the link: http://guides.instructure.com/m/4152/l/41477-how-do-i-create-a-multiple-choice-question i need to develope similar type of android …

is there a way to develop an android app from a linux pc. because i couldnt pay the license fees of microsoft i decided to use linux. i am not a power user but i know html & css. so i have a couple of app ideas i would like …

everbody, pls i m working on android application with the side menu navigation drawer with fragment and webview but android back button key is not working. this my code Main Activity public class MainActivity extends Activity {String[] menutitles; TypedArray menuIcons; String[] pageUrl; // nav drawer title private CharSequence mDrawerTitle; private …

Hello, i am planning on designing an airline mobile application with android, as my testing devce. i'm doing this for the first time, can someone please guide me on how to do this? All help wiil be appreciated

I have done a lot of research on this issue that I am getting, but I am unable to solve this error. Over the Internet, folks are suggesting to use findFragmentBy ID or Tag, but both of them resulting in null Pointer Exception. This is the Code that I have …

I have an app that uses GPS proximity alerts. I want to populate two textviews from my string.xml when the proximity alert fires off. Does anyone know how to do this?? Thanks, hendo

Hi I am trying to use a quickaction bar to parse contact address as a string from an android fragment to the other fragment. Any help?

I am creating a couponing app where coupons are stored in a database and compared to local ads to let users know when to use the coupons. I have created a database that holds all of the coupons and also one for the user's personal library. I am having difficulty …

Hi all, Is it possible to use cloud storage services such as google drive or dropbox to be used as an online storage for my app? I am developing an app which will be using an online server or storage to retrieve media files like videos and pictures. I dont …

Guys,i face problem while starting Android studio after installation. Error Msg is "The environment variable JAVA_HOME(with the value of c:\Program Files(x86)\java;) doesnot point to a valid JVM installation" Whereas i set path of java in system variables for JAVA_HOME C:\Program Files (x86)\Java; path C:\Program Files (x86)\Java\jdk1.8.0_40\bin ; give me solution

Hi all, I'm writing a scavenger hunt app and want to use the Proximity Alert functions. I'm having a hard time to finding any decent tutorials to help me with this. Does anyone have a code snippet on it's use that I can go off of? Much appreciated, Hendo

Good Afternoon Everyone. I have written this code in Android studio and the purpose of it is just to move the button to the bottom-right corner of screen with small delay. However, for some reasons, The button does not move. Any help is highly appreciated. package com.xdroidcompany.transition; import android.support.v7.app.AppCompatActivity; import …

I am working on an app where i would scan a coupon and it would find the matching upc in a sqlite database that i have created and place all of the details from that table into a new table for my personal coupon library. I was getting an error …

Hi i made a jquery mobile website, but when i upload it to Phoegap and test, i can't connect to the database. I'm using the Dreamweaver login form in php, and loading from a database. Code to load from database: <?php // *** Validate request to login to this site. …

Hi all, I followed a tutorial on using the action bar and i face problem trying to split it. All my items just get fitted in to the overflow menu. Please help me with it. Below is my code: AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.androidapptutorial" android:versionCode="1" android:versionName="1.0" > <uses-sdk …

Hello guys , am new to Android Development, I've created many test apps for learning, using webview and lists and creating multiple activities, I have an application that get URL with JSON data contain url with streaming video and when click on button open VLC with URL provided. JSon FILE …

hello guys, am very new to android development, ans am trying to do my best to learn it,I have json output created from one of my PHP projects here is my output [ { "id": "1", "name": "BEiN HD 1", "link": "http:\/\/www.mysite.com\/tv4.ogg", "image": "http:\/\/www.mysite.com\/images\/jsc8.png" }, { "id": "2", "name": "BEiN …

i use the below code to create file in android but the files are not created when i use android version 4.x but when i use version like 2.x the code working fine and the files are created File path = new File( Environment.getExternalStorageDirectory()+"/FullDuplexCall/"); path.mkdirs(); try { sendfile = File.createTempFile("sendfile", …

Below is the code i am using to create dropdown using listfields.In this i am able to create dropdown with hardcoded data binded to listfields with no Problem,but when i bind data from webservice when i clicked on horizontalfield(dropdown),first it shows the null pointer exception(White screen),by clicking middle button of …

i was developing an app for android where by clicking on buttons i could control the digital state of an Arduino board. Arduino responses with a xml file created in runtime and, by fetching its contents, i'd like to display the actually state of the pins. Now, i could realize …

Hi all , I create a small VoIP application to transmit voice and I want to calculate delay so I need both devices to have the same time if you have an idea to calculate the delay or to synchronize the two devices I will be gretaful for any help

How to connect MySQL database in Eclipse on android application?

I have a problem with Eclipse when i try to start emulator it says: Starting emulator for AVD 'Nexus_5_API_21_x86' emulator: ERROR: x86 emulation currently requires hardware acceleration! Please ensure Intel HAXM is properly installed and usable. CPU acceleration status: HAX kernel module is not installed! I tried to instal HAXM …

I am working on an application that will let a user make a graph using the number of hours that the user has slept. Currently the attached code will take the input and make a graph expecting an integer values from the user. I want to be able to instead, …