Android Screen Dimension

How to get the Screen Dimension in Android Application

Hi, This is the way to easily get the screen dimensions of currently running android device.

1.activity_main.xml

<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"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity" >

    <TextView

        android:id="@+id/dimen"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="screen dimensions" />

    <TextView

        android:id="@+id/res"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="@string/hello_world" 

        android:layout_below="@+id/dimen"/>

</RelativeLayout>

2.MainActivity.java

package com.sri.screendimension;

import android.os.Bundle;

import android.view.Display;

import android.widget.TextView;

import android.annotation.SuppressLint;

import android.app.Activity;

import android.graphics.Point;

public class MainActivity extends Activity {

TextView tv;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

Display disp = getWindowManager().getDefaultDisplay();

Point size = new Point();

disp.getSize(size);

int width = size.x;

int height = size.y;

tv = (TextView) findViewById(R.id.res);

tv.setText(width + "<----->" + height);

}

}

3.Run the Application.