Get manufacturer, model and OS version of your Android devices

android.os.Build provide various information about the current build the devices, extracted from system properties. here is a simple example to get the manufacturer and model of the device, and the version of the Android.

Java code:

package com.blogspot.android_er.androidgetmodelinfo;

import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView tvInfo;
        tvInfo = (TextView)findViewById(R.id.info);

        String manufacturer = Build.MANUFACTURER;
        String model = Build.MODEL;
        String release = Build.VERSION.RELEASE;;

        tvInfo.setText(
                manufacturer + "\n"
                + model + "\n"
                + "Android: " + release + "\n");

    }
}

layout XML

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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:layout_margin="5dp"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/addr"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:text="android-er.blogspot.com"
        android:textSize="20dp"
        android:textStyle="italic"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
    <TextView
        android:id="@+id/title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Get device Model info"
        android:textSize="24dp"
        android:textStyle="bold"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/addr" />
    <TextView
        android:id="@+id/info"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="24dp"
        android:textColor="#D00000"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/title"/>

</android.support.constraint.ConstraintLayout>

Tested on:

Samsung Galaxy A9, SM-A9000

Xiaomi's Redmi Note 4

Next:
- Get targetSdkVersion, minSdkVersion, versionName and versionCode at runtime