CustomTitlebar 재활용

public class CustomTitlebar {
    TextView tv_titlebar;
    ImageView iv_arrow_back;
    public Activity activity;
 
    public CustomTitlebar(Activity _activity, String title) {
        activity = _activity;
 
        tv_titlebar = (TextView) activity.findViewById(R.id.tv_titlebar);
        iv_arrow_back = (ImageView) activity.findViewById(R.id.iv_arrow_back);
 
        tv_titlebar.setText(title);
        iv_arrow_back.setVisibility(View.VISIBLE);
        iv_arrow_back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                activity.finish();
            }
        });
    }
}
 

layout_titlebar.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">
 
    <TextView
        android:id="@+id/tv_titlebar"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentTop="true"
        android:background="#65B5A5"
        android:gravity="center"
        android:padding="8dp"
        android:text="Move To Diner"
        android:textColor="#FFF"
        android:textSize="20dp" />
 
    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_below="@id/tv_titlebar"
        android:background="#D0D0D0" />
 
    <ImageView
        android:id="@+id/iv_arrow_back"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true"
        android:layout_margin="5dp"
        android:padding="10dp"
        android:src="@drawable/ic_arrow_back"
        android:visibility="gone" />
</RelativeLayout>

레이아웃

<include layout="@layout/layout_titlebar" />

new CustomTitlebar(this, "현재 영업중인 트럭");