3.13

页面上方有导航栏，导航栏左侧为返回键，右侧为功能键
<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MoodRecordActivity">

    <androidx.appcompat.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="?attr/colorPrimary"
        android:theme="@style/ThemeOverlay.AppCompat.ActionBar"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/textView_result"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:textSize="20sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/toolbar" />

    <ImageView
        android:id="@+id/imageView_result"
        android:layout_width="289dp"
        android:layout_height="290dp"
        android:padding="16dp"
        app:layout_constraintBottom_toTopOf="@+id/editText_mood"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.495"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textView_result" />

    <EditText
        android:id="@+id/editText_mood"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:hint="⭐️"
        android:minHeight="48dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/imageView_result" />
</androidx.constraintlayout.widget.ConstraintLayout>