学习笔记-24.1.24

  switch (v.getId()) {
                    case R.id.eye1:
                        if (hide) {
                            hide = false;
                            eye1.setImageResource(R.drawable.baseline_remove_red_eye_24);  //可见样貌
                            HideReturnsTransformationMethod method = HideReturnsTransformationMethod.getInstance(); //可见
                            mima.setTransformationMethod(method);

                        } else {
                            eye1.setImageResource(R.drawable.baseline_remove_red_eye_24_close);  //不可见样貌
                            hide = true;
                            TransformationMethod method = PasswordTransformationMethod.getInstance();  //隐藏
                            mima.setTransformationMethod(method);

                        }