很奇怪,我在给EditText设置setOnFocusChangeListener()监听,但是始终未能成功,焦点一直存在,不知其原因,,代码如下: et_username.setOnFocusChangeListener(new OnFocusChangeListener() { @Override public void onFocusChange(View v, boolean hasFocus) { if (!hasFocus) { String tempName = et_userna…