[英]Using kotlin extension function in Java code
I have created an extension function for listening to click listener for buttons, when I try to access it from Java code it does not work,我创建了一个扩展 function 用于监听按钮的单击监听器,当我尝试从 Java 代码访问它时它不起作用,
Cannot access clicks() from java file, this is what I tried无法从 java 文件访问 clicks(),这是我尝试过的
Can you please suggest how to resolve this.你能建议如何解决这个问题。
Thanks R谢谢 R
File - Extension.kt文件 - 扩展名.kt
fun Button.clicks(): Flow<Unit> = callbackFlow {
setOnClickListener {
offer(Unit)
}
awaitClose { setOnClickListener(null) }
}
In my java code - FillingFragment.java在我的 java 代码中 - FillingFragment.java
@NotNull
@Override
public Flow<Void> getStartFillingObservableFlow() {
return dataViewHolder.btnStartFilling.clicks(); //CLICKS IS NOT. RECOGNISED
}
DataViewHolder.Java DataViewHolder.Java
@BindView(R.id.start_filling_action)
public Button btnStartFilling;
Extension functions usually compiles to statics functions so you can invoke them like this:扩展函数通常编译为静态函数,因此您可以像这样调用它们:
ExtensionKt.clicks(dataViewHolder.btnStartFilling);
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