PRotected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); String tempData = "Something you just typed"; outState.putString("data_key", tempData);}2.在onCreate()方法中处理
@Overrideprotected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_first); if (savedInstanceState != null) { String tempData = savedInstanceState.getString("data_key"); Log.d("tag", tempData); }}
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