Capture Screen Programatically In Android

Before Screen capture the screen looks something like this : 

After Screen capture the screen shows the preview as :

package com.mayursharma.example.capture.screen;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import android.app.Activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;

public class MainActivity extends Activity {
    
 ImageView imageViewCapture, imageViewPreview;
 Bitmap bitmap;
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        imageViewPreview = (ImageView) findViewById(R.id.ImageViewPreview);
        imageViewCapture = (ImageView) findViewById(R.id.ImageViewCapture);
        imageViewCapture.setOnClickListener(new OnClickListener() {
   
   @Override
   public void onClick(View v) {
    bitmap = getBitmapOfView(imageViewCapture); 
    imageViewPreview.setImageBitmap(bitmap);
    createImageFromBitmap(bitmap);
   }
  });
 
    }//onCreate Ends
    
    
    /*
     * @author : Mayur Sharma
     * This method is used to create the bitmap of the current activity
     * This method accepts any child view of the current view
     * You can even pass the parent container like RelativeLayout or LinearLayout as a param
     * @param : View v
     */
    public Bitmap getBitmapOfView(View v)
    {
        View rootview = v.getRootView();
     rootview.setDrawingCacheEnabled(true);
     Bitmap bmp = rootview.getDrawingCache();
     return bmp;
    }
    
    
    /*
     * @author : Mayur Sharma
     * This method is used to create an image file using the bitmap
     * This method accepts an object of Bitmap class
     * Currently we are passing the bitmap of the root view of current activity
     * The image file will be created by the name capturedscreen.jpg
     * @param : Bitmap bmp
     */
    public void createImageFromBitmap(Bitmap bmp)
    {
     ByteArrayOutputStream bytes = new ByteArrayOutputStream();
  bmp.compress(Bitmap.CompressFormat.JPEG, 40, bytes);
  File file = new File( Environment.getExternalStorageDirectory() +
                                           "/capturedscreen.jpg");
  try 
  {
   file.createNewFile();
   FileOutputStream ostream = new FileOutputStream(file);
   ostream.write(bytes.toByteArray());        
   ostream.close();
  } 
  catch (Exception e) 
  {
   e.printStackTrace();
  }    
    }
    
    
}//Class Ends

Create a new xml file in res/drawable folder so as to use it as a border for Preview ImageView.
Put the below source code in the xml file and save it by name "pic_preview_border.xml"

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:dither="true">
    <gradient
         android:startColor="#99ffffff"
         android:endColor="#99ffffff"
         android:centerColor="#00000000"
         android:angle="90" />
    
    <padding android:left="10dp" android:top="10dp"
            android:right="10dp" android:bottom="10dp" />
    <corners android:radius="5dp" />
    <stroke
        android:width="2dp"
        android:color="#ccffffff"
        />
</shape>

Create a new XML file in the res/layout folder as "main.xml" which will be used as a layout for the above mentioned activity. Put the below code in the main.xml file.

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 
 xmlns:android="http://schemas.android.com/apk/res/android"
 android:orientation="vertical" 
 android:layout_width="fill_parent"
 android:layout_height="fill_parent"
 android:background="#0080AA">

 <TextView 
  android:layout_width="fill_parent"
  android:layout_height="wrap_content" 
  android:text="@string/hello" />

 <TextView 
  android:layout_width="fill_parent"
  android:layout_above="@+id/ImageViewPreview" 
  android:layout_height="wrap_content"
  android:text="Preview : " />

 <ImageView 
  android:layout_width="200dp"
  android:layout_height="250dp" 
  android:adjustViewBounds="true"
  android:scaleType="fitXY" 
  android:layout_centerInParent="true"
  android:id="@+id/ImageViewPreview" 
  android:src="@drawable/user_pic"
  android:background="@drawable/pic_preview_border" />

 <ImageView android:layout_width="130dp"
  android:layout_height="50dp" 
  android:adjustViewBounds="true"
  android:scaleType="fitXY" 
  android:layout_marginBottom="3dp"
  android:src="@drawable/capture" 
  android:id="@+id/ImageViewCapture"
  android:layout_alignParentBottom="true"
  android:layout_centerHorizontal="true" />

</RelativeLayout>

Click HERE to Download Complete Source Code.
Click HERE to download the apk.