1,542 Topics
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 …
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
What is the best platform to use in developing mobile application? Should I set up internal storage?
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 …
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 …
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 …
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 …
hi to all! i am using eclipse with android api 19. i have an android phone whose os version is 6.0 marshmallow . i have only sdk for api 19 in my eclipse. i made a simple helloworld app by setting its min and max sdk "19" in manifest file. …
Hi,I am new to android programming In my app I am launching an another app(whats app,calculator,etc) I can launch any app successfully by using this code: Intent i=getPackageManager().getLaunchIntentForPackage("your package name"); i.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT); startActivity(i); But it always created new instance/restarted of the app.I want it to launch and resume it from where …
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".
I designed app to make order for pizza food restaurant I show userid,menu id ,address,longtiude,latitude then press on button make order Error show after I press button and found in async task doin background It give me fatal exception error An error occurred while executing doInBackground() and it show to …
Hi, I have been working on JNI. I have one doubt. When I call any native method from android activity (Java code), then we get jclass object from jobject instance we get in the native method as a parameter. Why do we need it actually? Here is a snippet from …
What do you guys make of this new wearable keyboard: http://www.tapwithus.com/ Allegedly they are going to be opening an sdk which will enable any developer to turn it into a super controller..
Hello to all! I have started learning android recently and I am facing a problem in file handling (in internal storage). I wrote a simple program which creates a file and writes some data in that file . I have two buttons first button writes data in the file and …
hi everyone, i am currently creating an app in android and i used a package from kivy garden;androidtabs but i want to open another screen but it doesnt seem to work from kivy.app import App from kivy.uix.boxlayout import BoxLayout from kivy.uix.button import Button from kivy.uix.textinput import TextInput from kivy.uix.floatlayout import …
I created webview app using Android studio..I created that app for download wallpapers. but when loard web site through the web view download button dosent work..how can I alow download button to work
I'm a beginning Android Developer trying to learn the file system, etc. I'm hoping to eventually delve into Home Automation and traffic analysis using phones/GPS, but I'm in the beginning arc of this learning curve. My background is mostly C/C++, though I've done some work in Java. I'm not so …
Dear all! Is there any way to animate icons on home screen in android app using android studio like [IPhone](https://www.youtube.com/watch?v=Q9HOne7zLro) provides some effects of motion. There are some apps like clean master on google play store that animates its own icon as user clicks icon of clean master to clean …
Wanting to learn android, have a Pragmatic Programmers "Hello, Android" book third edition android 2 copyright 2010 book. Is this to outdated?
Hi I m developing a mobile apps which will fetch json data from my server. My server address is http://need4engineer.com/api.php this is not working. But same data from another server https://randomuser.me/api/?results=5 is working well. Both the cases header is same. Please help me
Hi Guys Please tell me what are the building blocks of android. Thanks
I have a Toshiba Satellite P55W-C running 64-bit Windows 10 Home. I bought it new less than a year ago. I am the only user. It has an Intel Core i7 CPU, 8 Gigs of RAM, 2.4 GHz. I'm generally surfing the web and streaming audio/video. I'm not a gamer …
I'm getting my ArrayList from a service and populate my ListView with it when user creates the widget. I have 3 button on my widget and I want to modify/filter the data in the ListView by button click. I saw examples of pending indent but I couldn't reach my ArrayList …
I am writing an **automation test** using **python**, where an **android app** records an audio and stores it in a specific directory within the internal storage (sdcard0) of the android device. I need to check whether the **recording** (recordingX.mp3) actually exists with the same name within the specific directory or …
Greetings everyone, I'm still new to android programming and currently leanrning how to connect to DB. I'm following a online tutorial but I'm still facing problems. The tutorial is about creat a registration form and sending it to the database through volley. I'm using .hostinger.ae as host and Android studio. …
Hi guys! im working with google places and i'm currently able to show 20 markers on the map. I have a FloatingActionButton on my map screen and once the user presses/clicks on it it should display the markers based on the next_page_token. Currently ive hard coded one in for testing …
Can anyone tell me what is wrong with this? App crashes if user input is left blank. I was hoping it would display toast and wait for input. EditText userWireInput = (EditText) findViewById(R.id.WireSizeInputET); String userWireData = userWireInput.getText().toString(); double userWire = Double.parseDouble(userWireData); if (userWire == 0) { Toast.makeText(ISOM_Int_Results.this, "ENTER WIRE SIZE", …
I've created a mobile app and styled it with CSS and ThemeRoller on Dreamweaver. It looks great on safari but when I use PhoneGap Build to test it on my Android device, the styling disappears. I've tried embedding the CSS as well as the ThemeRoller style into my code without …
Error:Unable to load class 'com.android.tools.idea.gradle.project.GradleProjectSyncData'. Possible causes for this unexpected error include:<ul><li>Gradle's dependency cache may be corrupt (this sometimes occurs after a network connection timeout.) <a href="syncProject">Re-download dependencies and sync project (requires network)</a><li>The state of a Gradle build process (daemon) may be corrupt. Stopping all Gradle daemons may solve this …
Guys who know how to develop custom rom ?
i am implementing Google Drive in Android with Java code i didnt use Android formats, i just created client id and i used in Manifest <meta-data android:name="com.google.android.apps.drive.APP_ID" android:value="id=344123456789"/> and my code to create folder is credential = GoogleAccountCredential.usingOAuth2(this, Collections.singleton(DriveScopes.DRIVE)); credential.setSelectedAccountName(accountName); service = getDriveService(credential); java.io.File fileContent = new java.io.File(path); FileContent mediaContent …
Hello! I want to create water drops main screen as well as on icons(images shown on that screen). The capacity of number of rain drops is decided at run time. In assets, i have background image and some icons. Actually what i wanted to do is to create a water …
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