1,334 Topics
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 | I am a partner in a company that deals with various aspects of the web presence of a company. Those aspects some times touch back office and more often replace it entirely. I have no idea of the mobile games field but last week my interest flamed. I tried several … |
 | I need instructions on implementing a houghes circle code using android studio to an app. I do not know where to put everything and need detailed instructions on how to create the app and save it onto an android device. iCannyUpperThreshold = 100; iMinRadius = 20; iMaxRadius = 400; iAccumulator …  |
| | How to create the new android application? |
 | I'm having trouble mounting my android's micro sd card. When I run lsusb I see the entry for the card `lsusb` - > `Bus 001 Device 006: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0 multicard reader` I have also validated that the device is sdf. me@mothership ~ $ sudo mount …  |
 | Apache Cordova is a framework that lets you build mobile applications using HTML5, CSS and Javascript for different mobile platforms. But because the applications you build with this framework live in a layer on the top of the native development tools of the targeted platform, they're slower than equivalent applications …  |
| | Does anybody can figure out the difference between RTOS and Android? |
 | Hello, I not an expert in android coding but I know little bit, that's why I bought this app from a person. Unfortunately the app author was not giving supporting to me that's why Iam posting this issue here. So please help me, my new app was working fine in … |
 | **how to solve invalid keystore error in android studio here is error report-----------------------> here is error report--------> error:Error:java.lang.RuntimeException: com.android.ide.common.signing.KeytoolException: Failed to read key palash from store "D:\MyApplication3.idea\workspace.xml": Invalid keystore format second error:Error:com.android.ide.common.signing.KeytoolException: Failed to read key palash from store "D:\MyApplication3.idea\workspace.xml": Invalid keystore format third error:Error:java.io.IOException: Invalid keystore format how to … |
| | **In android studio 2.2.2 after build gradle syn it shows this error-------->Error:org.gradle.api.GradleException: Please fix the version conflict either by updating the version of the google-services plugin (information about the latest version is available at https://bintray.com/android/android-tools/com.google.gms.google-services/) or updating the version of com.google.android.gms to 9.2.0.how to solve this problem??????**  |
 | How to make money online and what is the best app or website for that?  |
| | I have a simple form that submits a name to a database. the php works on the html form already. xml for form <Button android:id="@+id/button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button" android:onClick="sumbitdata" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" tools:layout_constraintTop_creator="1" tools:layout_constraintRight_creator="1" android:layout_marginTop="53dp" app:layout_constraintTop_toBottomOf="@+id/name" tools:layout_constraintLeft_creator="1" /> <EditText android:id="@+id/name" android:layout_width="wrap_content" android:layout_height="wrap_content" android:ems="10" android:inputType="textPersonName" android:text="Name" tools:layout_constraintTop_creator="1" tools:layout_constraintRight_creator="1" android:layout_marginEnd="69dp" app:layout_constraintRight_toRightOf="parent" android:layout_marginTop="222dp" app:layout_constraintTop_toTopOf="parent" …  |
 | How do i get every user that installs my app but without asking the user to register anywhere also sorting by every time it joins (opens) the app. Any help will be appreciated. |
 | Hi, I have a view say a Button, i made a border for it in a paint application, now i wwant to use that border as the border for my button, how can i do that in such a way that it looks well on all screen sizes?  |
 |      I tried various forums but no luck I couldn't figure out what's wrong with it |
| | Dear contributers of Daniweb, Currently I'm working on an Android/Java project, where I'm running into a problem with the following code. private List<Property> filteredList; private List<Property> propertyList; public List<Property> getPropertyList() { Boolean useFilter = false; if (!filter_town.trim().equals("")) useFilter = true; if (filter_bedrooms > 0) useFilter = true; if (useFilter) { … |
| | In my AndroidManifest.xml file, I have the following definition for the EditText <EditText android:id="@+id/dob_aob" android:layout_width="match_parent" android:layout_height="@dimen/edtxt_height" android:layout_below="@+id/textView1" android:layout_marginTop="0dp" android:gravity="center_vertical" android:padding="10dp" android:background="#eed0d0" android:textSize="@dimen/edtxt_font_size" android:textColor="@android:color/black" android:textCursorDrawable="@null" android:imeOptions="actionGo" android:inputType="numbers" android:digits="*+-0123456789" android:ems="10"/> I.e.: The user enters an integer between 0 through 9 and the multiplication, addition, and subtraction symbols. The following came up on … |
 | **what compiler can i use in Android phone ? Offline compiler ** - java |
| | I need a little advice. I am working on a webpage that includes tabbed panels that use hidden checkboxes to switch between panels and, for smaller devices, a collapsing menu that triggers with a hidden checkbox. I have tested this page on a number of browsers and operating systems (can't …  |
 | source code for android games |
 | how to user select spinner json through submit report for date to date and select user name how in androis studio |
 | the scenario as the following, after the user login , the application returns he/she visiting numbers for example : 123 150 i preview the value on TextView , how i can make it clickable, and open pdf file like when user click on 150 open the pdf file the located … |
| | my activity is load a grid view from xml file and the controls from other xml file public class ResultActivity extends AppCompatActivity { GridView gridview; ArrayList<String> arrayList; String ip, db, un, passwords; Connection connect; PreparedStatement stmt; ResultSet rs; Button TButton; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.gridviews); TButton = …  |
| | Is there a way to develop a GUI which has graph data structure at the backend so that if we want to have information about a particular node or edge, we just tap its corresponding GUI representation and the app gives us the required info? |
| | Hi guys i am getting the following exception `java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources$Theme android.content.Context.getTheme()' on a null object reference --------- Stack trace --------- android.app.AlertDialog.resolveDialogTheme(AlertDialog.java:222) android.app.AlertDialog$Builder.(AlertDialog.java:452) com.skyvin.numr.scanreceipt.ReceiptDetail$convertCurrency.onPostExecute(ReceiptDetail.java:2309) com.skyvin.numr.scanreceipt.ReceiptDetail$convertCurrency.onPostExecute(ReceiptDetail.java:2199) android.os.AsyncTask.finish(AsyncTask.java:651) android.os.AsyncTask.access$500(AsyncTask.java:180) android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:668) android.os.Handler.dispatchMessage(Handler.java:102) android.os.Looper.loop(Looper.java:158) android.app.ActivityThread.main(ActivityThread.java:7229) java.lang.reflect.Method.invoke(Native Method) com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230) com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120) ------------------------------- --------- Cause --------- ------------------------------- ` My code is as follows … |
 | Hello! I'm trying to display a list of items in a fragment called AgendaList. I am not quite sure what I missed. Here's what I have under AgendaList onCreateView: public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment View view = inflater.inflate(R.layout.fragment_agenda_list,container,false); String[] … |
| | ...I want to start Android app development. Was wondering anyone of you could suggest me the best resources to learn from. I know java but have no idea about Android app development. I hope the resources cover all the basic features that are there in any modern day app like …  |
 | Hi, I have built an application using java programming and I want to write MySQL table data to excel sheet by using Apache's POI libraries and MySQL connector in java. I have explored many [mobile development blogs](findnerd.com/NerdDigest) for my previous query on Android Programming & get a satisfactory solution. I …  |
| | Hi, I am an application developer. While working on a project, I faced an issue related to validating password with regular expressions using JavaScript. I hope any tech developer may help me in resolving this issue. I have also figure out many mobile development forum to enhance my android & … |
| | i am very keen to learn how to develop mobile apps, but i want to master one programming language. i hear you can design mobile apps for android, windows & ios using Java. Is this true, if you can someone explain the details of doing this in each platform  |
| | Hello everyone,I am having no experience in android or mobile app develpment but having some questions is it possible to have app which works offline without internet(devices can be connected LAN) where in each device have data stored of main stock of items which will be updated once in month.Now … |
| | Hi, As you all know that, Android is a mobile operating system based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets. While working on Android applications, I encountered an issue where I need to create a verticle bargraph which can be rotated … |
| | I want to know is it possible to do that and install your own custom software on it ?  |
 | I am working on an Android app in which I am submitting some variables in url in order to save the data in database what ever user enter in the text fileds but I am unable to do so as I am getting an error called "com.android.volley,Server error". I have … |
 | Do you have any tools to develop android app for my business? |
| | As what was stated on the header I want to implement either a "paint" or "eraser" function whichever feature more convenient for user to edit paint/censor unwanted parts of a photo displayed on a imageview before uploading it to a server in the edited format and a redo function if … |
| | In Andrioid OS mobile, if you drag from top there will be many unread notifications, it is said that they are called push notifications. But in my mobile i am getting many such spam notifications every hour like movie updates etc, which are not required for me. How to disable … |
 | I am trying to change the background of imageview using the following code. Here's my xml code. <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.devnami.maya.maya.MainActivity" > <ImageView android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/forest" android:adjustViewBounds="true" android:scaleType="fitXY" android:id="@+id/view1" /> <ImageButton android:id="@+id/button1" android:layout_width="45dp" android:layout_height="45dp" android:textStyle="bold" android:textColor="#FFFFFF" android:background="@drawable/flower" android:layout_alignParentBottom="true" android:layout_alignParentLeft="true" /> </RelativeLayout> And here's my mainactivity.java … |
 | have a code that loads an image online with the AsyncImage module in kivy. i wrote the code in python3 which runs well on the pc but doesnt work on a packaged apk. i think this is because i packaged it using python2.7 buildozer. thanks an image showing the error … |
 | How can I freely obfuscate an Android App that I am creating with Xamarin? Proguard only works for trimming the app size, but not obfuscation. Thanks, John |
 | Hi guys, Here is the question: I have Activity A, Activity B. Now, A --> B . Now, pressed the home button. Now, go to any image & "open with" will show my app. when pressing my app as the option, it will hit Activity A. When it will hit … |
| | My daughter has a Samsun Android tablet that has ran out of space so I purchased an sd card. The card is mounting and I reformatted it from the Android device but the device is still claiming to be full when she tries to install new apps. I tried this … |
| | How to recover android phone contacts?  |
 | Hello guys... i am a newbie to android development, i tried to load an image from url using picaso and it displays 'node static field, refference cannot be refferenced from static field package io.github.froger.instamaterial.ui.adapter; import android.content.Context; import android.support.v7.widget.LinearLayoutCompat; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.FrameLayout; import android.widget.ImageButton; … |
| | Hi All, I am new to Android developement now i need to develop a OCR application. in that i need to get Retailer name and Total from Expense receipts. for example Costo / Walmart using their Logo in top of the receipt. i need to Train tesseract to understand that … |
 | Hi to all! I made a class named “Database” I called openOrCreateDatabase in in its constructor but it was giving error. Then I searched on internet and got a solution that in case of non activity class I should also pass context. Then I passed context but then I am … |
| | hi to all! i have installed android studio, my sdk path is C:\ androidsdk\sdk\sdk . my android studio installed successfully. but after installation when android studio opens then in event log tab an error message appears: Grade sync failed: Cause: failed to find target with hash string ' android-19' in … |
 | Hello All, I am unable to import javax.sound.sampled in a mobile app I have been playing with. I am currently using AndroidStudio and I do have the path pointing to the JDK not the JRE. I was for a while able to import them when I included the jar files … |
| | Not sure why but the chronometer counter will start as soon as the application starts without me clicking the button. Does anyone see what the issue would be? package com.example.android.courtcounter; import android.os.SystemClock; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.TextView; import android.widget.Chronometer; public class MainActivity extends …  |
| | Hello guys .Plz help I am stucking in my first android program. IDE is Android Studio 1.0.1. "R.layout.activity_main" when i move pointer on 'R' it shows "cannot resolve symbol 'R' ". I have done "restart" android studio. I have done" clean project and rebuild project". |
| | The Google Experience Launcher, as it was, first arrived exclusively for the Nexus 5 towards the end of last year. That changed recently when the renamed Google Now Launcher (GNL) appeared in the Play Store as a standalone app for Nexus devices and those handsets running Google Play Edition (GPE), …  |
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