Get screen resolution of Android device

DisplayMetrics ia a structure describing general information about a display, such as its size, density, and font scaling. 

package com.GetScreenResolution;

 

import android.app.Activity;

import android.os.Bundle;

import android.util.DisplayMetrics;

import android.widget.TextView;

 

public class GetScreenResolution extends Activity {

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        TextView screenWidth = (TextView)findViewById(R.id.screenwidth);

        TextView screenHeight = (TextView)findViewById(R.id.screenheight);

        DisplayMetrics dm = new DisplayMetrics();

        getWindowManager().getDefaultDisplay().getMetrics(dm);

         

        screenWidth.setText("Screen Width = " + dm.widthPixels);

        screenHeight.setText("Screen Height = " + dm.heightPixels);

    }

}










<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<TextView 

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    android:text="@string/hello"

    />

<TextView 

    android:id="@+id/screenwidth"

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    />

<TextView 

    android:id="@+id/screenheight"

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    />

</LinearLayout>