1 public static final int FLAG_HOMEKEY_DISPATCHED = 0x80000000; 2 3 @Override 4 protected void onCreate(Bundle savedInstanceState) { 5 super.onCreate(savedInstanceState); 6 7 this.getWindow().setFlags(FLAG_HOMEKEY_DISPATCHED, FLAG_HOMEKEY_DISPATCHED);// 关键代码(监听home) 8 9 10 setContentView(R.layout.activity_main); 11 }