Disable back button in Android(Not working)

Question

package com.my.app ;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
         


        

Answer 1

try this code for disable back button

@Override
    public boolean onKeyDown(int keyCode, KeyEvent event) 
    {
        if(keyCode==KeyEvent.KEYCODE_BACK)
        {
            return true;
        }
        else
        {
            return super.onKeyDown(keyCode, event);
        }
    }

Capture Image from Camera and Display in Activity