隐藏显示密码

cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
if (isChecked) {
//如果选中，显示密码
et_pw.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
} else {
//否则隐藏密码
et_pw.setTransformationMethod(PasswordTransformationMethod.getInstance());
}
}
});