<androidx.cardview.widget.CardViewandroid:id="@+id/constraintLayout2"android:layout_width="0dp"android:layout_height="wrap_content"android:layout_marginTop="50dp"android:elevation="@dimen/dp_6"app:cardCornerRadius="@dimen/dp_33"app:layout_constraintEnd_toStartOf="@+id/guideline4"app:layout_constraintStart_toStartOf="@+id/guideline3"app:layout_constraintTop_toBottomOf="@+id/constraintLayout"><androidx.constraintlayout.widget.ConstraintLayoutandroid:layout_width="match_parent"android:layout_height="@dimen/dp_65"><ImageViewandroid:id="@+id/imageView5"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginStart="43dp"android:background="@drawable/login_pwd_icon"app:layout_constraintBottom_toBottomOf="parent"app:layout_constraintStart_toStartOf="parent"app:layout_constraintTop_toTopOf="parent"/><EditTextandroid:id="@+id/pwdEt"android:layout_width="0dp"android:layout_height="@dimen/dp_65"android:layout_marginStart="16dp"android:layout_marginEnd="16dp"android:background="@null"android:hint="@string/input_pwd_text"android:inputType="textPassword"android:lines="1"android:selectAllOnFocus="true"android:text="@={vm.MUserPwd}"android:textSize="21sp"app:layout_constraintBottom_toBottomOf="parent"app:layout_constraintEnd_toStartOf="@+id/eyeIv"app:layout_constraintStart_toEndOf="@+id/imageView5"app:layout_constraintTop_toTopOf="parent"/><TextViewandroid:id="@+id/eyeIv"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginEnd="28dp"android:background="@drawable/login_pwd_unvisibile"android:onClick="@{()->vm.pwdState(pwdEt.text.toString())}"app:layout_constraintEnd_toEndOf="parent"app:layout_constraintBottom_toBottomOf="parent"app:layout_constraintTop_toTopOf="parent"/></androidx.constraintlayout.widget.ConstraintLayout></androidx.cardview.widget.CardView>例如给id是eyeIv的设置padding=”30dp“效果就是背景图变大！我想要的是点击范围变大，不是图片变大！