Detect Android Device: Phone or Tablet

In this article we will see, how we can detect the device is an Android phone or Android tablet.

Here are the following steps for it.

Detecting device is Android phone or Android tablet

The following are the steps tp detect device is Android phone or Android tablet:

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:layout_width="match_parent"
 android:layout_height="match_parent"
 tools:context=".MainActivity">
 <TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="30dp"
android:text="Detect device is Android phone or Android tablet"
android:textAlignment="center"
android:textSize="24sp"
android:textStyle="bold" />
</RelativeLayout>

Step 3 ? Add the following code to src/MainActivity.java

import androidx.appcompat.app.AppCompatActivity;
import android.content.Context;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.widget.Toast;
import java.util.Objects;
public class MainActivity extends AppCompatActivity {
 @Override
 protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TelephonyManager manager = (TelephonyManager)getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE);
if (Objects.requireNonNull(manager).getPhoneType() == TelephonyManager.PHONE_TYPE_NONE) {
 Toast.makeText(MainActivity.this, "Detected... You're using a Tablet", Toast.LENGTH_SHORT).show();
} else {
 Toast.makeText(MainActivity.this, "Detected... You're using a Mobile Phone", Toast.LENGTH_SHORT).show();
}
 }
}

Step 4 ? 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="app.com.sample">
 <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 the 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 ?