Mobile Development Forum

I am working on project, where i want to show multiple list view (different design layout using different layoutsa for lists) using one list adapter class, in one Main Activity class. Like i want to show first list view on first button click, and then i want to show second …

Hi All, Back after a LONG break from Daniweb, love the new look! I have the following data scanned from a pdf417 and need to extract certain text to certain text fields, not sure how to go about this... Data scanned with manatee works plugin and android app using android …

I've made a simple webview app . I have tried a lot but I cant get it to work, refered to link dint work out . Hope someone can help me here. admob is not displaying after the splash screen .if linearlayout changed to Relativelayout ad appears without splash screen …

# Good day to all ..i need help with this..i want to delete and edit the selected row from a listView with the use of alert dialog.i have a bit knowledge of constructing an alert dialog in my class..the problem is the method to call for deleting and editing from …

Why can't I use || or && with double as in sample below? if (((mDiameter = 1 || mDiameter = 1.2) && mPitch = 0.25) || (mDiameter = 1.6 && mPitch = 0.35) || (mDiameter = 2 && mPitch = 0.4) || (mDiameter = 2.5 && mPitch = 0.45) || …

I'm currently working on an android app to fetch data from the server. But when i run it, i get a NullPointerException. Can anyone help me with that? Here is my code: public class MainActivity extends AppCompatActivity { ListView lvPost; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); lvPost = …

Hello guys am totally new to java development but I red some tutorial on web on how to create different application on Android Studio. I've created simple webview application with navigation drawer and everything work perfect, when I tried to add Parse.com SDK to use notification service my program crashes …

The code below works ok and displays result (mDisplayNominalEff) to screen but I want to round the result to 3 places. I assume that I need to parse string to double. Any ideas on how to do this? String mDisplayNominalEff = ("" + (myDiameter - (myPitch * 0.649519))); TextView displayNominalEff …

I have 4 textviews which take their values from dropdown list (spinner) selected at previous screen. There can be either 2 or 4 numbers/letters as result of this selection. The first position will always be a number and the second position will always be a letter. The third position can …

I'm creating a small and simple app to use with my poker league. I've created a small DB that I simply enter the player name, who took them out, and what place they went out in. All of that works just fine. What I need to do is implement the …

Hi, I am struggling with xml layout in my android app... please help here is what I want: I have to display two poarts in one activity - image part and login component part which are in one linearLayout. When the device is landscape, I want it to be 30% …

Hello , i am new in adroid programing , and i need some help and info D: I create an activity with a log in "user" and "pass" and takes the user to the welcome activity, the log in works perfect but when i close the app , and re …

Hello all, My chess piece images are being cropped from the bottom. There is a sense of a squeeze which seems to make the bottom parts of my images disappear. Can anyone tell me why this is happening? Thank you in advance... [Click Here](https://www.facebook.com/photo.php?fbid=10153417612584037&set=gm.937346006302419&type=3&theater) <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" …

Hello guys! I'm currently working on a matching app. In the app, the user can select what mode of difficulty they want(easy, medium, hard and suvival) as well as select one of the sets of images for the GridView(nba logos or world flags). My problem is that when the user …

public class MainActivity extends ActionBarActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ParseObject.registerSubclass(MyFirstClass.class); Parse.initialize(this, "Id", "Id"); Button button = (Button)findViewById(R.id.button1); button.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { callSearch(); } }); ParseUser user = new ParseUser(); user.setUsername("username"); user.setPassword("password"); /*user.signUpInBackground(new SignUpCallback() { @Override public void done(ParseException arg0) { …

Dear All, I am working on IM app . I want to add call featuer in my app. I googled alot and downloaded 10's of projects but unable to execute them due to missing files. I am looking for running project of Doubango or PJSIP so that I can use …

List Fragment height is not working properly, it only shows 1st row of list, other rows of list dont show. I used wrap content for height but not working. If i run Fragment directly it shows all rows but if i add fragment in my main activity its show single …

Hello, i faced some problem in building the android calculator. The problems like this: 1) If i click 2 + 3, it worked well, and screen will show the 5.** BUT! **when i clicked + and + and + and +...... it will continuosly add the answer. How can i …

I'm working on an android project and created a widget for toggling Bluetooth (i.e., Pressing the widget turn on Bluetooth if turned off and vice versa). But the problem is that click listener of button is not working and when I click on the widget on the home screen it …

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 …

Hey guys! I'm currently working on a simple matching game. The game has 3 difficulties: easy, medium, and hard. When the game starts up, it is already set to the easy difficulty with 12 tiles. Medium difficulty displays 20 tiles and hard difficulty displays 30 tiles. I've figured out how …

Hello i ve got this message from a fellow programmer. * Directly you load your site from your server in to android or IOS like iframe, we have the option in mobile device webview you can directly load your site url into the mobile app* and this * if you …

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 …

Does android support other language than java?

Installing Android Studroid on Linux has been problematic. Any easy way out

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 …

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 …

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 …

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 …

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"); …

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 …

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.

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 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 …

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.

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 …

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 …