Fragment that logs lifecycle event.

BaseFragment.kt

import android.app.Activity
import android.app.Fragment
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup

abstract class BaseFragment : Fragment() {

    fun <O> Any.wrap(tag: String, body: () -> O): O {
        val klass = this.javaClass.simpleName
        Log.d(klass, "---$tag-->")
        val ret = body()
        Log.d(klass, "<==$tag===")
        return ret
    }
    
    abstract val self: Fragment

    fun onResume(body: () -> Unit) {
        self.wrap("onResume") {
            super.onResume()
            body()
        }
    }

    fun onSaveInstanceState(outState: Bundle?, body: () -> Unit) {
        self.wrap("onSaveInstanceState") {
            super.onSaveInstanceState(outState)
            body()
        }
    }

    fun onDetach(body: () -> Unit) {
        self.wrap("onDetach") {
            super.onDetach()
            body()
        }
    }

    fun onAttach(activity: Activity?, body: () -> Unit) {
        self.wrap("onAttach") {
            super.onAttach(activity)
            body()
        }
    }

    fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, savedInstanceState: Bundle?, body: () -> View?): View? {
        return self.wrap("onCreateView") {
            super.onCreateView(inflater, container, savedInstanceState)
            body()
        }
    }

    fun onPause(body: () -> Unit) {
        self.wrap("onPause") {
            super.onPause()
            body()
        }
    }

    fun onDestroyView(body: () -> Unit) {
        self.wrap("onDestroyView") {
            super.onDestroyView()
            body()
        }
    }

    fun onViewCreated(view: View?, savedInstanceState: Bundle?, body: () -> Unit) {
        self.wrap("onViewCreated") {
            super.onViewCreated(view, savedInstanceState)
            body()
        }
    }

    fun onActivityCreated(savedInstanceState: Bundle?, body: () -> Unit) {
        self.wrap("onActivityCreated") {
            super.onActivityCreated(savedInstanceState)
            body()
        }
    }

    fun onStop(body: () -> Unit) {
        self.wrap("onStop") {
            super.onStop()
            body()
        }
    }

    fun onCreate(savedInstanceState: Bundle?, body: () -> Unit) {
        self.wrap("onCreate") {
            super.onCreate(savedInstanceState)
            body()
        }
    }

    fun onStart(body: () -> Unit) {
        self.wrap("onStart") {
            super.onStart()
            body()
        }
    }

    fun onViewStateRestored(savedInstanceState: Bundle?, body: () -> Unit) {
        self.wrap("onViewStateRestored") {
            super.onViewStateRestored(savedInstanceState)
            body()
        }
    }

    fun onDestroy(body: () -> Unit) {
        self.wrap("onDestroy") {
            super.onDestroy()
            body()
        }
    }
}