public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
setContentView(R.layout.activity_sign_in);
initView();
IntentFilter filter = new IntentFilter();
filter.addAction(Const.ACTION_SIGN_FAIL);
filter.addAction(Const.ACTION_SIGN_SUCCESS);
registerReceiver(receiver, filter);
}
@Override
protected void onDestroy() {
unregisterReceiver(receiver);
super.onDestroy();
}