V哥自用测试fragment声明周期调整懒加载-优快云博客

本文详细介绍了Android中BaseFragment类的实现及其生命周期方法的调用顺序。通过具体代码展示了从onAttach到onDestroy整个过程中每个关键方法被触发的时间点，并记录了这些调用过程，有助于开发者更好地理解Fragment的工作机制。

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import android.content.Context
import android.os.Bundle
import android.support.v4.app.Fragment
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup

/**
 * Created by zhangwei on 2017/7/10.
 */
abstract class BaseFragment : Fragment() {

    private final val TAG = "BaseFragment"

    override fun onAttach(context: Context?) {
        super.onAttach(context)

        Log.d(TAG,"onAttach")
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        Log.d(TAG,"onCreate")
    }

    override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        return super.onCreateView(inflater, container, savedInstanceState)
        Log.d(TAG,"onCreateView")
    }

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)
        Log.d(TAG,"onActivityCreated")
    }

    override fun onStart() {
        super.onStart()
        Log.d(TAG,"onStart")
    }

    override fun onResume() {
        super.onResume()
        Log.d(TAG,"onResume")
    }

    override fun onPause() {
        super.onPause()
        Log.d(TAG,"onPause")
    }

    override fun onStop() {
        super.onStop()
        Log.d(TAG,"onStop")
    }

    override fun onDestroyView() {
        super.onDestroyView()
        Log.d(TAG,"onDestroyView")
    }

    override fun onDestroy() {
        super.onDestroy()
        Log.d(TAG,"onDestroy")
    }

    override fun onDetach() {
        super.onDetach()
        Log.d(TAG,"onDetach")
    }

    override fun onHiddenChanged(hidden: Boolean) {
        super.onHiddenChanged(hidden)
        Log.d(TAG,"onHiddenChanged")
    }

    override fun setUserVisibleHint(isVisibleToUser: Boolean) {
        super.setUserVisibleHint(isVisibleToUser)
        Log.d(TAG,"setUserVisibleHint")
    }
}

转载于:https://my.oschina.net/JiangTun/blog/1335197