28.使用onSaveInstanceState()保存活动被回收时的数据

xiaoxiao2021-02-28  109

1. 2.

protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); String tempData = "Something you just typed"; outState.putString("data_key",tempData); }

3.

protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); if (savedInstanceState != null){ String tempData = savedInstanceState.getString("data_key"); Log.d(TAG,tempData); } }

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