从 kotlin 服务中的 java 应用程序 class 获取值

Question

i have a java application class and i want to get a value from it in kotlin service.

i try to do it with this code but it's return null

myValue = (application as App).getNumValue

some of my code

Application Class:

private String numValue = "";


public String getNumValue() {
    return numValue;
}

public void setNumValue(String numValue) {
    this.numValue = numValue;
}

java Activity for set value:

 ((App) this.getApplication()).setNumValue(enNum);

Kotlin Service And Read Value:

myValue = (application as App).getNumValue()

Toast.makeText(this, myValue +"", Toast.LENGTH_SHORT).show()

Answer 1

I was solved my problem with:

val myValue = (this.application as App).getNumValue()

Toast.makeText(this, myValue +"", Toast.LENGTH_SHORT).show()