data binding : providing values in Include layout

Data object

data class Location(
    @field:SerializedName("name") val name:String,
)

Binding Data

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        val binding: ActivityMainBinding = DataBindingUtil.setContentView(
                this, R.layout.activity_main)

        binding.location = Location("Seoul")
    }

 

Includes

layout xml에 xmlns:bind="http://schemas.android.com/apk/res-auto"를 추가한다.

 

main layout

<?xml version="1.0" encoding="utf-8"?>
<layout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:bind="http://schemas.android.com/apk/res-auto">
    <data>
        <variable
            name="location"
            type="test.com.Location" />
    </data>
	<LinearLayout
		android:layout_width="match_parent"
		android:layout_height="match_parent">
		<include
			layout="@layout/current_weather"
			bind:location="@{location}"/>
	</LinearLayout>
</layout>

include layout

<?xml version="1.0" encoding="utf-8"?>
<layout
    xmlns:android="http://schemas.android.com/apk/res/android">
    <data>
        <variable
            name="location"
            type="test.com.Location" />
    </data>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">		
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@{location.name}"/>
    </LinearLayout>
</layout>

 

Reference

• https://developer.android.com/topic/libraries/data-binding/expressions