Posts by Eduardo Rafael Moraes • 710 points
64 posts
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answer655
viewsA: Listview by selecting position
You created an array list right ? you need to take the current position in the arraylist that is being populated, so you get the data you need, it would look more or less like this, when you are…
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answer984
viewsQ: Return list from a child in firebase
Good morning ! Guys, I have a situation in which I want to return in a list all the data whose one of the children are equal to id, in the image below I have the nodes structures of my database in…
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answer3946
viewsQ: Share app link with Whatsapp
Good morning ! How do I share a link from my app with a contact in Whatsapp ? Searching on the internet I was able to form this code (it is without successful tests because I’m still just testing…
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answer2048
viewsQ: Generate sequential key with firebase
Good morning ! I am working on an app that saves some user activities and I have a problem to save these activities generating sequential numbers, here is the environment: I have the user logged in,…
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answer262
viewsA: Edittext already completed after user login using firebase
Good afternoon ! In this case you will need a Valueeventlistener to retrieve that user’s information on the system, you will need to create an instance pointing to for example…
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answer1430
viewsQ: Check Login in Firebase
Good afternoon ! I’m having a hard time in an app I’m creating with firebase... Next, I have the login workshop and in it I have the login button with the google account, what I want to do is the…
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answer3814
viewsQ: Register user with photo in firebase
Good night! Guys, I’m registering users in my app and would like to in addition to the personal data I will save in the database Realtime I would like to also save the profile photo and a cover…
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answer200
viewsQ: Error inflating class android.support.design.widget.Navigationview Android Navigationview
Good night, you guys! I am trying to create an application with navigationView pwla first time and am encountering problems at the time of setContentView(R.layout.activity_main) call; the…
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answers1048
viewsQ: Bringing a sum in Sqlite Android
I have a problem in the development of an App, following, I have a list that all the data of donations in the bank, and in this Activity I created a Textview to receive the total value of those…
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answer1118
viewsQ: Voice recognition on Android
I did some research and need help to implement voice recognition in an application with Android Studio, I’m having some difficulties in finding support material. Thanks in advance!
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answer1963
viewsA: Change data from a column in the table
Where I work I’ve had situations like this and solved it in the following way: BEGIN --cursor com o select dos dados que irei realizar o update for c_prod in (select a.id, a.produto FROM produtos a…
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answers80
viewsA: Problem with SQL query
Dude, in this case your SELECT will bring everything even, if you want a certain value you need to insert the WHERE in the variable $query, you need to link the two tables within the WHERE clause,…
mysqlanswered Eduardo Rafael Moraes 710 -
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answers1538
viewsA: How to insert the data into a specific field of a _mysql_table?
That way you could already update this data, but as Leonardo mentioned, a table without ID is worrisome ! UPDATE empresa SET link = 'https://link.com' WHERE nome = 'Linhares'…
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answer378
viewsQ: Recover Contact List Name List on an android Edit
All right, guys ? I have a problem in the development of an app, because when I call his registration screen before I want to take the name and phone of the selected contact and send to the Activity…