Detailed explanation of the usage method of onSaveInstanceState in Android

Detailed explanation of the usage method of onSaveInstanceState() in Android

Override the onSaveInstanceState method and detect savedInstanceState and get saved value in onCreate

@Override 
protected void onSaveInstanceState(Bundle outState) {  
  ("currentposition", ()); 
  (outState); 
} 

public void onCreate(Bundle savedInstanceState) { 
  (savedInstanceState); 
  setContentView();  

  initView(); 

  if (savedInstanceState != null 
      && ("currentposition") != 0) { 

    (("currentposition")); 
  } 
} 

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