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ANDROID----使用onSaveInstanceState儲存資料

<1>在MainActivity中編寫如下程式碼:
protected void onSaveInstanceState(Bundle outState){
super.onSaveInstanceState(outState);
String str=“Someing any String Char”;
outState.putString(“Key”,str);
}
在onCreate方法中新增:
if(savedInstanceState!=null){
//得到它
String str1=savedInstanceState.getString(“Key”);
}