Get Android and SDK version using Kotlin

 Exercise to get Android device info and compile SDK version using Kotlin.

Run on Android Emulator of Android 10

Run on Redmi 5 Plus (Android 8.1.0)

MainActivity.kt

package com.blogspot.android_er.androidinfo

import android.os.Build
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.TextView
import androidx.annotation.RequiresApi

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val manufacturer = Build.MANUFACTURER
        val model = Build.MODEL
        val release = Build.VERSION.RELEASE

        val pkgInfo = packageManager.getPackageInfo(packageName, 0)
        val appInfo = pkgInfo.applicationInfo
        val targetSdkVersion = appInfo.targetSdkVersion
        val minSdkVersion = appInfo.minSdkVersion

        //Display system and SDK info for reference
        val tvInfo = findViewById<TextView>(R.id.info)
        tvInfo.setText(manufacturer + "\n"  +
                model + "\n" +
                "Android: " + release + "\n" +
                "targetSdkVersion: " + targetSdkVersion + "\n" +
                "minSdkVersion: " + minSdkVersion)
    }
}

layout xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    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:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Android-er"
        android:textStyle="bold"
        android:textSize="34dp" />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="android-er.blogspot.com   " />
    <TextView
        android:id="@+id/info"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textStyle="italic"
        android:textSize="30dp"/>

</LinearLayout>