activity_setting.xml

<?xml version="1.0" encoding="utf-8"?>
<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"
    android:background="#F5F5F5"
    tools:context=".Setting_Activity">


    <LinearLayout
        android:id="@+id/linearLayout2"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="50sp"
            android:layout_marginTop="0dp"
            android:orientation="horizontal"
            app:layout_constraintTop_toTopOf="parent"
            tools:ignore="UselessParent">

            <ImageView
                android:id="@+id/imageView"
                android:layout_width="82dp"
                android:layout_height="match_parent"
                android:layout_gravity="left"
                android:layout_weight="1"
                android:src="@drawable/oip_c" />

            <TextView
                android:id="@+id/textView4"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginTop="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:text="@string/setting"
                android:textSize="25sp"
                android:textColor="@color/black"
                app:layout_constraintTop_toTopOf="parent" />

        </LinearLayout>


        <TextView
            android:id="@+id/textView14"
            android:layout_width="match_parent"
            android:layout_height="50sp"
            android:layout_marginTop="15sp"
            android:background="#FDFCFC"
            android:gravity="bottom"
            android:text="@string/change_style"
            android:textColor="@color/black"
            android:textSize="20sp"
            android:onClick="change_style"/>



    </LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>