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📜  put extra 有什么作用? - 无论代码示例

📅  最后修改于: 2022-03-11 15:00:04.784000             🧑  作者: Mango

代码示例2
Intent i = new Intent(FirstScreen.this, SecondScreen.class);   
String keyIdentifer  = null;
i.putExtra("STRING_I_NEED", strName);