Alarm Manager Example
I want to implement a schedule function in my project. So I Googled for an Alarm manager program but I can`t find any … Read more
kotlin
What is the difference between “const” and “val”?
I have recently read about the const keyword, and I’m so confused! I can’t find any difference between const and the val keyword, … Read more
Property initialization using “by lazy” vs. “lateinit”
In Kotlin, if you don’t want to initialize a class property inside the constructor or in the top of the class body, you … Read more
How to convert a Kotlin source file to a Java source file
I have a Kotlin source file, but I want to translate it to Java. How can I convert Kotlin to Java source? 8 … Read more
How to launch an Activity from another Application in Android
I want to launch an installed package from my Android application. I assume that it is possible using intents, but I didn’t find … Read more
How to make an Android device vibrate? with different frequency?
I wrote an Android application. Now, I want to make the device vibrate when a certain action occurs. How can I do this? … Read more
How to write ternary conditional operator?
What is the equivalent of this expression in Kotlin? a ? b : c This is not valid code in Kotlin. 33 s … Read more
How to check if a “lateinit” variable has been initialized?
I wonder if there is a way to check if a lateinit variable has been initialized. For example: class Foo() { private lateinit … Read more
Cannot inline bytecode built with JVM target 1.8 into bytecode that is being built with JVM target 1.6
When trying to run the Example CorDapp (GitHub CorDapp) via IntelliJ, I receive the following error: Cannot inline bytecode built with JVM target … Read more
Unfortunately MyApp has stopped. How can I solve this?
I am developing an application, and everytime I run it, I get the message: Unfortunately, MyApp has stopped. What can I do to … Read more