I want to disable click on button when the animation running. the code is below: So i want to cant click the button until animation done. Answer I normally accomplish something like this is using an AnimationListener. It allows you to run code at various stages of the animation. This code is untested, but the…
How to assert inside a RecyclerView in Espresso?
I am using espresso-contrib to perform actions on a RecyclerView, and it works as it should, ex: and I need to perform assertions on it. Something like this: but, because RecyclerViewActions is, of course, expecting an action, it says wrong 2nd argument type. There’s no RecyclerViewAssertions on espress…
Properties File multi-line values using PropertiesConfiguration
So far, I have this project where I read in a properties file using PropertiesConfiguration (from Apache), edit the values I would like to edit, and then save change to the file. It keeps the comments and formatting and such, but one thing it does change is taking the multi-line values formatted like this: an…
Trying to print top view of a tree using two if statements
Problem Statement You are given a pointer to the root of a binary tree. Print the top view of the binary tree. You only have to complete the function. My Code: The two if statements are executed every time the function is called, but I need only one of them to execute. I tried switch but its giving constant e…
Implement Cartesian product of several collections by Java Stream
Right now I can only implement the Cartesian product of two collections, here is the code: This code works fine in IntelliJ, but not in Eclipse. Both with compiler compliance level of 1.8: Here is Pair.java: How to fix this error? Is there an elegant way to implement the Cartesian product of several collectio…
How to load an external property file to Spring Boot in Wildfly
I wonder how can I load an external property of my application running inside Wildfly 9 as WAR, I tried to add a java parameter to Wildfly execution but it seems the application did not recognize the properties. Is there any way how Spring Boot could read the external property file? I am trying to load and ru…
How to send byte[] array in retrofit
How do you send byte[] array in retrofit call. I just need to send over byte[]. I get this exception when I have been trying to send a retrofit call. retrofit.RetrofitError: retrofit.converter.ConversionException: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected a string but was…
object references an unsaved transient instance – save the transient instance before flushing: com.entity.Role
I’m getting object references an unsaved transient instance – save the transient instance before flushing: com.entity.Role exception while trying to insert some values in table using hibernate related dependencies in pom.xml are Role.java is User.java is I’m using repository as mentioned in …
Installing and using Gradle in a docker image/container
I am getting this strange error at the end of the process of creating a docker image from a Dockerfile: The relevant part of the Dockerfile: The command I am using is: docker build -t java_i . The strange thing is that if: I run a container from the previous image commenting out RUN gradle test jar (command: …
Testing image files with JUnit
I’m looking for direction on how to test that a dynamically generated image is the expected image with JUnit. A bit of background: I have code that generates thumbnail images as java.awt.image.BufferedImage’s and stores those BufferedImages into a java.io.File object. I wrote a simple unit test to…