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How do I specify different layouts for portrait and landscape orientations in Android?
This example demonstrates how do I specify different layouts for portrait and landscape orientations in android
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/rl" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#f2f6f4" android:padding="10dp" tools:context=".MainActivity"> <TextView android:id="@+id/tvLayout" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/button" android:layout_centerInParent="true" android:layout_marginTop="16sp" android:text="Portrait Mode" android:textSize="24sp" android:textStyle="bold" /> <Button android:id="@+id/button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:text="Show Orientation mode" /> </RelativeLayout>
Step 3 – Create a layout file by right-clicking on the resources, name the file, from the ‘Available qualifiers, select Orientation.
Click >> option.
Select Landscape from UI mode.
Add the following code in the res/layout/land/activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <TextView android:id="@+id/tvLayout" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:layout_marginStart="64dp" android:layout_toEndOf="@id/button" android:text="Landscape Mode" android:textSize="24sp" android:textStyle="bold" /> <Button android:id="@+id/button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:layout_marginStart="128sp" android:text="Show Orientation mode" /> </RelativeLayout>
Step 4 − Add the following code to src/MainActivity.java
import android.content.res.Configuration
import android.os.Bundle
import android.widget.Button
import android.widget.TextView
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
class MainActivity : AppCompatActivity() {
lateinit var textView: TextView
lateinit var button: Button
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
title = "KotlinApp"
textView = findViewById(R.id.tvLayout)
button = findViewById(R.id.button)
button.setOnClickListener {
if (button.resources.configuration.orientation == Configuration.ORIENTATION_PORTRAIT) {
Toast.makeText(this@MainActivity, " We are in portrait mode",
Toast.LENGTH_SHORT).show()
}
else {
Toast.makeText(this@MainActivity, "We are in Landscape mode",
Toast.LENGTH_SHORT).show()
}
}
}
}Step 5 - Add the following code to androidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.q11"> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>
Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click Run 
Icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen –
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