How do I write a function to get the position of starting with 2X:XX? How can I mix lastIndexOf() and startsWith()? Answer You can use normal for-loops, i.e. This will return the index of the last string in the list starting with 2.
Tag: kotlin
How to set text color of bottom navigation item selection and unselection?
I was trying to set the following attribute of BottomNavigationView widget But this sets the text color of active and inactive item both. I want to have different text color on active and inactive item of BottomNavigationView. Answer First, you have to make a selectable color in res>color>selectable_col…
Type com.example.myhouse.MainActivity is defined multiple times
Error while compiling the code. Type com.example.myhouse.MainActivity is defined multiple times: C:UsersHPAndroidStudioProjectsmyHouseappbuildtmpkotlin-classesdebugcomexamplemyhouseMainActivity.class, C:UsersHPAndroidStudioProjectsmyHouseappbuildintermediatesjavacdebugclassescomexamplemyhouseMainActivity.clas…
Spring Boot 2.6.4 -> 2.6.6 : strange NullPointerException within Logback when logging a mock Exception
while upgrading from Spring Boot 2.6.4 to 2.6.6 , one of my tests (written in Kotlin), fails : the build passes with Spring Boot 2.6.4. It works in Spring Boot 2.6.6 when I run the test individually in my IDE, but fails during the maven build. the stacktrace was not showing by default, but after surrounding t…
How to download a file when a custom header is needed?
I want to download from a private repository in GitHub, so I need to pass the headers Authorization: token ${GITHUB_TOKEN} and Accept: application/vnd.github.v3.raw. For example, with curl: curl -H “Authorization: token ${GITHUB_TOKEN}” -H ‘Accept: application/vnd.github.v3.raw’ -o fil…
Kotlin Android Studio: org.junit.ComparisonFailure with NBSP
I have this code And I get this Error And This Comparison Failure Answer I encountered the same issue with the NBSP sign! Spent some time to figure out what to do with the tests TL;DR: Pass locale in your string formatters For tests of locales that use NBSP instead of a space (French, Ukrainian etc.) paste th…
Get time period ( hour / half-hour / quarter hour ) of day
Is there any way to download every hour and another period of the day? I mean exactly the result in the form of a list. and and 14.03 means March 14 for the sake of the example. Of course it is possible to add this manually, but it would not be a particularly elegant solution. Is it possible to do
Unable to add window — token null is not valid; is your activity running error. How can I solve it?
I have a login screen. Switching to the HomeScreenActivity when the user logs in. I want to show a popup window message about user information when the activity is opened. But I’m getting an ‘Unable to add window — token null is not valid; is your activity running?’ error. I have a pop…
Why is Java Sound API frame position getting stuck?
I’m trying to create a sound recorder using Java Sound API on Kotlin Desktop. I want to automatically stop the recording after 3 seconds. The frame position does initially advance but then gets stuck. This is output of the print statement: What is causing this and is there a way to fix it? Answer The pr…
AuthComponent doesn’t have a @Subcomponent.Builder, which is required when used with @Module.subcomponents
I am learning Dagger 2 from this site https://developer.android.com/training/dependency-injection/dagger-android. I am creating like this, Appcomponent.java AppModule.java AuthComponent.java AuthModule.java But I got the error,AuthComponent doesn’t have a @Subcomponent.Builder, which is required when us…