public void onActivityCreated(Bundle savedInstanceState) {
  super.onActivityCreated(savedInstanceState);
  ...
  if (savedInstanceState != null) {
    // Restore the fragment's state here
  }
}

public void onSaveInstanceState(Bundle outState) {
  super.onSaveInstanceState(outState);
  // Save the fragment's state here
}

private Fragment myFragment;

public void onCreate(Bundle savedInstanceState) {
  ...
  if (savedInstanceState == null) {
    // Instantiate fragment
  } else {
    // Restore the fragment's instance
    myFragment = getSupportFragmentManager().getFragment(
          savedInstanceState, "fragment");
  }
  ...
}

@Override
protected void onSaveInstanceState(Bundle outState) {
  super.onSaveInstanceState(outState);
  //Save the fragment's instance
  // fragment instance may be null
  if (myFragment != null) {
    getSupportFragmentManager().putFragment(outState, "fragment", myFragment);
  }
}

//系統(tǒng)自動銷毀Fragment前保存必要的數(shù)據(jù)
@Override
public void onSaveInstanceState(Bundle outState){
<span style="white-space:pre"> </span>super.onSaveInstanceState(outState);
<span style="white-space:pre"> </span>String content = etCon.getText().toString();
<span style="white-space:pre"> </span>outState.putString("inputCon", content);
}
 
//恢復數(shù)據(jù)
@Override
public void onViewStateRestored(Bundle savedInstanceState){
<span style="white-space:pre"> </span>super.onViewStateRestored(savedInstanceState);
<span style="white-space:pre"> </span>//恢復之前輸入框的內容
<span style="white-space:pre"> </span>if(savedInstanceState != null){
<span style="white-space:pre"> </span>etCon.setText(savedInstanceState.getString("inputCon", ""));
 }
}

//系統(tǒng)自動銷毀Activity前保存必要的數(shù)據(jù)
@Override
public void onSaveInstanceState(Bundle outState){
<span style="white-space:pre"> </span>super.onSaveInstanceState(outState);
 String content = etCon.getText().toString();
 outState.putString("inputCon", content);
}
 
//Activity中可在onRestoreInstanceState()方法恢復數(shù)據(jù),也可以在onCreate()中恢復,因為Activity一旦被銷毀就會重走一次onCreate()開始的正常生命周期
@Override
public void onRestoreInstanceState(Bundle savedInstanceState){
 super.onRestoreInstanceState(savedInstanceState);
 //恢復之前輸入框的內容
 if(savedInstanceState != null){
 etCon.setText(savedInstanceState.getString("inputCon", ""));
 }
}
 
@Override
public void onDestroy(){
 super.onDestroy();
 //Activity被銷毀前可進行最后一次數(shù)據(jù)的保存,過了這村就沒這店了.
}