Posts by Laura Regina • 304 points
44 posts
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1
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answer315
viewsQ: Google Maps does not load registered points (Java)
Good afternoon, everyone. I’m using Google Maps in my app and was working before but stopped working. The app breaks while the map is being loaded. I’ve researched enough on the internet and no…
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answer124
viewsA: Problems using the Cardview element (Material Design - Android)
The problem was because the Material Design theme package I was using in the Styles.xml file. "Theme.MaterialComponents.Light.NoActionBar.Bridge" did not have the Cardview element I solved the…
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answer124
viewsQ: Problems using the Cardview element (Material Design - Android)
I’m trying to use the Cardview element of Material Design in my Android app, but I’m not getting. Could someone help me identify the error of my code? Below is the code used. Log of Android Studio…
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answer62
viewsQ: Activity Access via Manisfest File - Android
Hello, everybody. I’m trying to build an app inspired by pokedex for a challenge, and trying to use the MVC architecture. I’m having problems accessing the activities (that are inside the packages I…
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answer73
viewsA: Data does not save in Firebase
I was able to solve the problem. The problem was because the Androidx class was not being instantiated correctly, so I could call the appCompact class. I solved the problem by migrating the project…
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answer73
viewsQ: Data does not save in Firebase
I’m trying to save data in my Firebase database but the app doesn’t save. I can install, boot the app, and move between pages without an app crash, but I can’t save data. Before implementing the…
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answers478
viewsQ: Formula to Count Boolean Values Power BI
Good evening, everyone, I am trying to make a Count with boolean values in power bi, using DAX formulas, but formulas do not return any value in the graphs. Does anyone know how to tell the problem…
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answer148
viewsA: Do Not Show Blank Value with DAX
I managed to solve the problem with the help of a colleague here. Follows solution: GastosEmissoras = VAR SOMA = SUMx(Gastos_Emissoras;Gastos_Emissoras[Total Geral - Governo Federal]) RETURN…
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answer148
viewsQ: Do Not Show Blank Value with DAX
Good morning guys, I’m trying to create a function on DAX that instead of showing the value Blank on my Dashboard, show the value 0. But my power bi are returning me the following error: **` The…
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answers503
viewsQ: Create function that calculates Java irreducible fraction
I am developing a challenge in Java, and I need to create a function that calculates an irreducible fraction to solve the problem. I created a function from some search but the function does not…
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answer1305
viewsQ: Round edges table CSS3
Good morning guys, I’m trying to round the edges of a table I’m using, but I can’t change either by the css file or by the style tag inside the element itself. Would anyone know the problem with my…
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answer92
viewsQ: Background-image css3 no Uncina
Good morning, everyone, I am trying to put an image as background of my html page but it is not working. Would anyone know to indicate the error of my code? index.html <!DOCTYPE html>…
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answers454
viewsA: Select button with jQuery and enable input from a form
Thanks for the personal help, I managed to solve using the following code. <script> $(document).ready(function() { $(':button').click(function() { $("input").prop("disabled", false); } );…
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votes3
answers454
viewsQ: Select button with jQuery and enable input from a form
Good afternoon, everyone, I am trying to implement the following solution: By clicking the button element I want the input field to be enabled. But by clicking the button nothing happens. Could…
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answers117
viewsQ: Have side-by-side elements
Good morning, everyone, I’m trying to align an image with a table, but I’m not getting it. Can someone help me to identify what’s missing? Follows code below: index.html <section…
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answers67
viewsQ: Placing data in the same column (table) HTML5
Good morning, everyone, I’m trying to put three images in the same column, but I’m not getting it. Would anyone know the error of my code? Follow image of where I would like to put the data and the…
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answer201
viewsQ: Error Mysql PHP connection
Good evening, everyone, I am trying to connect my wordpress application to the remote database, so I can list users within the application. I already tested some things between some researches, but…
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answer23
viewsQ: Plugins Wordpress Sign Up/User List
Good morning, everyone, I’m starting to use wordpress and I’m trying to make the features of registration and listing application users. I managed to register with the plugin Formidable, but I’m…
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answer86
viewsQ: Alignment Table HTML5 content
Good afternoon, everyone, someone can tell me which change is missing in my code so that my table has data below the column shown in the photo? Below is a picture of the expected result and my code:…
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answers1047
viewsQ: Problem with CSS media queries
I’m trying to make my application run on smartphones, beyond the desktop standard. But I can’t get the media queries to work properly. It’s only working until the size of the tablet screen. When I…
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answers126
viewsQ: Problems with GET Angular 7 request
Good evening guys, I’m trying to create a requisition like get in my Angular application, but it’s popping that error. I couldn’t understand what you mean and none of the possible solutions I tested…
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answers103
viewsQ: Login problems with mysql, php, Android
So, guys, I’m trying to perform the login feature on my Adroid app. I am using android native Java, mysql and php, but I can not login to the application, and Android Studio does not return me any…
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answers205
viewsA: Use Ratingbar with numbering next to Android
I was able to implement this solution, and as Leonardo said above, I needed a static image and a Textview to work. Follow functional code below: Listerssactivity.java distributors package…
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answers205
viewsQ: Use Ratingbar with numbering next to Android
Does anyone know how to use the Rating bar with the numbering on the side? The way the ifood uses. I tried to insert ratingBar with only one star but it doesn’t work, and as an image inside an…
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answer34
viewsQ: Doubt about images on Android
images should be in the drawable or mipmap folder in my Android project? I’ve been using the mipmap folder. There is some difference in using these folders in an Android project?
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answers155
viewsA: Problem with Android Arraylist
As Leonardo mentioned above, the problem was in the code snippet below: Listproductosactivity.java public ArrayList<Integer> getList () { idImages = new ArrayList<>(); /*…
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answers155
viewsQ: Problem with Android Arraylist
I’m trying to create a listview with images and I’m getting this error and the app does not run. Error stack E/AndroidRuntime: FATAL EXCEPTION: main Process: com.pedido.meu.telas_meu_pedido, PID:…
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answers373
viewsA: Problems with setOnItemClickListener
The problem was in the part of the code that filled the data on the screen. Because it was in Activity Listaalunosactivity when you should be at Activity Formularioactivity FormularioHelper helper =…
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answers373
viewsQ: Problems with setOnItemClickListener
I’m trying to run this Activity as main, but the application even runs on mobile. The error points to the following lines of code: FormularioHelper helper = new FormularioHelper(activity);…
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answers441
viewsA: Problems Saving Sqlite Data - Android
I had some problems with the creation and insertion of data in the table too. Follow the functional codes of my solution Formularioactivity.java package com.alura.magnero2018.agendaalura; import…
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answers441
viewsQ: Problems Saving Sqlite Data - Android
I am trying to save the data in Sqlite database from a form in my app, but when I click save button, the app closes and is shown the following error. Android Studio points the error to this code…
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answers69
viewsA: Android Studio does not recognize the getRating() method
Code working package com.alura.magnero2018.agendaalura; import android.widget.EditText; import android.widget.RatingBar; import com.alura.magnero2018.agendaalura.FormularioActivity; import…
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answers118
viewsQ: What is the difference between getRating() and getProgress()?
According to the documentation getProgress returns the level of progress of the rating bar, while getRating returns the number of stars of the rating bar. So in general terms getProgress returns a…
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answers69
viewsQ: Android Studio does not recognize the getRating() method
When I try to use the getRating() method in the Formulariohelper class Android Studio informs that "Cannot resolve method 'getRating()'". I’m importing the package from View and Ratingbar and yet…
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answers75
viewsA: Error reading all records from a.txt file in C
Code with complete listing of all txt file records void listarDados() { FILE *arquivo = fopen("contato.txt", "rb"); struct contato *vPtrContato = &contato_ref; /*se o arquivo nao existir, mostra…
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answers75
viewsQ: Error reading all records from a.txt file in C
Can anyone tell me why this my code just returns the first record several times, instead of returns all the records? Function in the Code void listarDados(int quantidadeContatos) { char caracteres;…
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answers112
viewsA: Help fread C library function
I was able to read from the first element using the function Rewind while ((caracteres = fgetc(arquivo)) != EOF) { rewind(arquivo); fread(vPtrContato, sizeof (contato_ref), 1, arquivo);…
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answers112
viewsQ: Help fread C library function
Could someone tell me why this snippet of code just starts reading from the second element of the file? And how could I read all the records in the file? Code I’m trying to use to read a txt file…
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answer95
viewsQ: Doubt about the onCreateOptionsMenu method
Could someone explain to me the purpose of this method? onCreateOptionsMenu I’ve researched several sites (in the documentation of Android too), but still not clear what the purpose of this method.…
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answer65
viewsA: Android does not recognize the path of SDK
I solved the problem by selecting the options shown in the prints below, in that order: sync local files (print 1) sync Gradle files (print 2)…
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answer65
viewsQ: Android does not recognize the path of SDK
When I access the directories that are specified in the absolute path, I cannot find them from the Appdata folder. But the absolute path works, when I copy and paste in the search. How do I access…
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answer102
viewsA: MYSQL connection error on Android using php
The error occurred first, because the database only accepted the data as varchar, even some fields being of other types, and later on account of the Windows firewall that was locking the port of the…
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answer102
viewsQ: MYSQL connection error on Android using php
I’m trying to connect my Android Java application via php with my MYSQL database and insert data in it, but despite the Android application report that the "user was successfully registered" the…
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answer143
viewsQ: What better way to connect to a Web server using Java Web?
I am working with a Java Web application, which will constantly take a txt file, and update this data constantly in an HTML page, but I don’t know what is the best option to connect to a web server,…