From an activity with data from one sensor and two buttons, one to show graphs and another to show its parameters.
Question :
How to do it so that it takes to the corresponding activity when a click is done on one of the buttons. It seems...
I have a plSql that returns a type of data.
How can I handle these from java, I mean, I make the call to the PL from java, but I do not know how to pick up that type of response to use their fields.
I was finishing programming a connection to a remote database, but as soon as I hit the app, it loads a few seconds checking the connection and closes the app, I do not know the reasons, I have downloaded several missing libraries and othe...
As the title says, I want to know what is the difference between DataSource and DriverManager in a web application using Tomcat. So far I know that DataSource serves as a pool of connections to a database while DriverMana...
Good morning, I've been programming on Android for a few weeks and I'm having some problems with using getFragmentManager .
I have read post about the termination of activities and this is what I have made clear:
Stack Over Flow Quo...
I have the following problem, which I do not know how to solve. I want that when making the registration in a table I already propose in the view a following number. I managed to arm the query, but for some reason it does not refresh in the view...
Good evening experts
I have the following code from a class of type Main that uses the sensor Magnético of Android and shows the values in textView :
import android.app.Activity;
import android.hardware.Sensor;
im...
When I try to run the application in Android Studio I get the exception FATAL EXCEPTION: main, in the adapter class of a RecyclerView
public class PetAdapter extends RecyclerView.Adapter<PetAdapter.PetViewHolder>{ //Linea del error
priv...
Problem
I take data from an excel xls document (use jxl libraries), the data goes to text, and the dates must be converted to YYYY-MM-DD.
But when I read them with the application, it takes them in the following way (length of the date v...