The life cycle of activity and fragment

First, Activity life cycle

Second, Fragment life cycle

Three, contrast chart

Iv. Test Code

Package Com.goso.testapp;  Import android.app.Activity;  Import android.app.ListFragment;  Import Android.os.Bundle;  Import Android.util.Log;  Import Android.view.LayoutInflater;  Import Android.view.View;  Import Android.view.ViewGroup;  Import Android.widget.ArrayAdapter;    Import Android.widget.ListView;  /** * Demonstration of using listfragment to show a list of items * from a canned array. */public class Fragmentlistarray extends Activity {@Override protected void onCreate (Bundle savedinstancest          ATE) {super.oncreate (savedinstancestate);          LOG.E ("Hjj", "Activity &&&& onCreate ...");          Create the list fragment and add it as our sole content. if (Getfragmentmanager (). Findfragmentbyid (Android.              r.id.content) = = null) {arraylistfragment list = new Arraylistfragment (); Getfragmentmanager (). BeginTransaction (). Add (Android.          R.id.content, List). commit (); }} @Override Protected void OnStart () {//TODO auto-generated Method Stub Super.onstart ();      LOG.E ("Hjj", "Activity &&&& onStart ..."); } @Override protected void Onresume () {//TODO auto-generated method stub super.onresum          E ();      LOG.E ("Hjj", "Activity &&&& onresume ...");           } @Override protected void OnStop () {//TODO auto-generated Method Stub super.onstop ();      LOG.E ("Hjj", "Activity &&&& onStop ..."); } @Override protected void OnPause () {//TODO auto-generated method Stub Super.onpause (          );      LOG.E ("Hjj", "Activity &&&& onPause ..."); } @Override protected void OnDestroy () {//TODO auto-generated method stub super.ondest          Roy ();      LOG.E ("Hjj", "Activity &&&& OnDestroy ..."); } public static Class ArrayListfragment extends Listfragment {@Override public void Onattach (activity activity) {/              /TODO auto-generated Method Stub log.e ("Hjj", "arraylistfragment * * * * * * * Onattach ...");          Super.onattach (activity); } @Override public void OnCreate (Bundle savedinstancestate) {//TODO Auto-genera              Ted Method Stub log.e ("Hjj", "arraylistfragment * * * * * * OnCreate ...");          Super.oncreate (savedinstancestate);                  } @Override Public View oncreateview (layoutinflater inflater, ViewGroup container, Bundle savedinstancestate) {//TODO auto-generated Method Stub log.e ("Hjj", "Arraylistfra              Gment * * * * Oncreateview ... ");          Return Super.oncreateview (Inflater, container, savedinstancestate);        } @Override public void onactivitycreated (Bundle savedinstancestate) {      Super.onactivitycreated (savedinstancestate);              LOG.E ("Hjj", "arraylistfragment * * * * * * onactivitycreated ...");              string[] array = new string[]{"C + +", "JAVA", "PYTHON"}; Setlistadapter (New arrayadapter<string> (Getactivity (), Android.          R.layout.simple_list_item_1, array)); } @Override public void OnStart () {//TODO auto-generated method stub log.e              ("Hjj", "arraylistfragment * * * * * * * * OnStart ...");          Super.onstart (); } @Override public void Onresume () {LOG.E ("HJJ", "arraylistfragment * * * * * onresum              E ... ");          TODO auto-generated Method Stub super.onresume (); } @Override public void OnPause () {LOG.E ("HJJ", "arraylistfragment * * * * onPause.              ..");          TODO auto-generated Method Stub super.onpause ();               }     @Override public void OnStop () {LOG.E ("HJJ", "arraylistfragment * * * * * OnStop ...");          TODO auto-generated Method Stub super.onstop (); } @Override public void Ondestroyview () {LOG.E ("HJJ", "arraylistfragment * * * *" on              Destroyview ... ");          TODO auto-generated Method Stub Super.ondestroyview ();              } @Override public void OnDestroy () {//TODO auto-generated method stub              LOG.E ("Hjj", "arraylistfragment * * * * * * OnDestroy ...");          Super.ondestroy (); } @Override public void Ondetach () {LOG.E ("HJJ", "arraylistfragment * * * * * ONDETAC              H ... ");          TODO auto-generated Method Stub Super.ondetach ();              } @Override public void Onlistitemclick (ListView l, View v, int position, long ID) { LOG.I ("Fragmentlist", "Item clicked:" + ID);   }      }  }

V. Test results

OnCreate process 01-22 15:30:28.091:E/HJJ (10315): Activity &&&& onCreate ...  01-22 15:30:28.091:E/HJJ (10315): arraylistfragment * * * * Onattach ...  01-22 15:30:28.091:E/HJJ (10315): arraylistfragment * * * * OnCreate ...  01-22 15:30:28.115:E/HJJ (10315): arraylistfragment * * * * Oncreateview ... 01-22 15:30:28.123:E/HJJ (10315): arraylistfragment * * * * onactivitycreated ... onstart process 01-22 15:30:28.123:E/HJJ (1031  5): Activity &&&& OnStart ... 01-22 15:30:28.123:E/HJJ (10315): arraylistfragment * * * * OnStart ... onresume process 01-22 15:30:28.123:e/hjj (10315): Activ  ity &&&& Onresume ... 01-22 15:30:28.123:E/HJJ (10315): arraylistfragment * * * * Onresume ... onpause process 01-22 15:31:26.748:e/hjj (10315): Array  Listfragment * * * * OnPause ... 01-22 15:31:26.748:E/HJJ (10315): Activity &&&& onPause ... onstop process 01-22 15:31:27.638:e/hjj (10315):  Arraylistfragment * * * * OnStop ... 01-22 15:31:27.638:E/HJJ (10315): Activity &&&&amP  OnStop OnStart Process 01-22 15:31:57.537:e/hjj (10315): Activity &&&& OnStart ... 01-22 15:31:57.537:E/HJJ (10315): arraylistfragment * * * * OnStart ... onresume process 01-22 15:31:57.537:e/hjj (10315): Activ  ity &&&& Onresume ... 01-22 15:31:57.537:E/HJJ (10315): arraylistfragment * * * * Onresume ... onpause process 01-22 15:32:47.412:e/hjj (10315): Array  Listfragment * * * * OnPause ... 01-22 15:32:47.412:E/HJJ (10315): Activity &&&& onPause ... onstop process 01-22 15:32:47.865:e/hjj (10315):  Arraylistfragment * * * * OnStop ... 01-22 15:32:47.865:E/HJJ (10315): Activity &&&& onStop ... ondestroy process 01-22 15:32:47.865:e/hjj (10315)  : Arraylistfragment * * * * Ondestroyview ...  01-22 15:32:47.865:E/HJJ (10315): arraylistfragment * * * * OnDestroy ...  01-22 15:32:47.865:E/HJJ (10315): arraylistfragment * * * * Ondetach ...   01-22 15:32:47.865:E/HJJ (10315): Activity &&&& OnDestroy ...

　　

The life cycle of activity and fragment