Android

private void displaySelectedScreen(int id)
        {
            Fragment fragment = null;
    
            switch (id)
            {
                case R.id.home:
                    fragment = new Main();
                    break;
                case R.id.settings:
                    Intent intent = new Intent(this, Settings.class);
                    startActivity(intent);
                    break;
                case R.id.about:
                    Intent intent1 = new Intent(this, About.class);
                    startActivity(intent1);
                    break;
                case R.id.share:
                    try
                    {
                        Intent i = new Intent(Intent.ACTION_SEND);
                        i.setType("text/plain");
                        i.putExtra(Intent.EXTRA_SUBJECT, "Audiophileradio");
                        String sAux = "\nLet me recommend you this application\n\n";
                        sAux = sAux + "https://play.google.com/store/apps/details?id=Orion.Soft \n\n";
                        i.putExtra(Intent.EXTRA_TEXT, sAux);
                        startActivity(Intent.createChooser(i, "choose one"));
                    }
                    catch(Exception e)
                    {
                        //e.toString();
                    }
                    break;
                case R.id.send:
                    fragment = new Feedback();
                    break;
            }
            if (fragment != null)
            {
                FragmentManager fragmentManager = getSupportFragmentManager();
                fragmentManager.beginTransaction()
                        .replace(R.id.contentFrame, fragment).commit();
            }
    
            DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
            drawer.closeDrawer(GravityCompat.START);
        }
    
        @SuppressWarnings("StatementWithEmptyBody")
        @Override
        public boolean onNavigationItemSelected(MenuItem item)
        {
            // Handle navigation view item clicks here.
            int id = item.getItemId();
    
            displaySelectedScreen(id);
    
            return true;
        }

<?xml version="1.0" encoding="utf-8"?>
    <android.support.constraint.ConstraintLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"
        tools:context="audiophileradio.example.com.audiophileradio.MainActivity"
        tools:showIn="@layout/app_bar_main"
        android:background="@drawable/backg1">
    
        <FrameLayout
            android:id="@+id/contentFrame"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            >
        </FrameLayout>
    
        <TextView
            android:id="@+id/textView3"
            android:layout_width="13dp"
            android:layout_height="21dp"
            android:layout_marginBottom="8dp"
            android:layout_marginLeft="8dp"
            android:layout_marginRight="8dp"
            android:layout_marginTop="8dp"
            android:text="+"
            android:textSize="18sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintHorizontal_bias="0.977"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.13"
            android:layout_marginStart="8dp"
            android:layout_marginEnd="8dp"/>

<?xml version="1.0" encoding="utf-8"?>
    <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
                                             xmlns:app="http://schemas.android.com/apk/res-auto"
                                             xmlns:tools="http://schemas.android.com/tools"
                                             android:layout_width="match_parent"
              android:layout_height="match_parent">

    <TextView
        android:id="@+id/textView4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginLeft="8dp"
        android:layout_marginRight="8dp"
        android:layout_marginTop="8dp"
        android:text="Title :"
        android:textSize="18sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintHorizontal_bias="0.103"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.081"/>

    <EditText
        android:id="@+id/editText"
        android:layout_width="218dp"
        android:layout_height="35dp"
        android:ems="10"
        android:inputType="textPersonName"
        android:text="Name"
        app:layout_constraintBottom_toBottomOf="parent"
        android:layout_marginBottom="8dp"
        app:layout_constraintTop_toTopOf="parent"
        android:layout_marginTop="8dp"
        android:layout_marginLeft="8dp"
        app:layout_constraintLeft_toLeftOf="parent"
        android:layout_marginRight="8dp"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintHorizontal_bias="0.593"
        app:layout_constraintVertical_bias="0.084"
        android:background="@drawable/border"/>
</android.support.constraint.ConstraintLayout

<?php

     include 'config.inc.php';

	 // Check whether username or password is set from android	
     if(isset($_POST['username']) && isset($_POST['password']))
     {
		  // Innitialize Variable
		  $result='';
	   	  $username = $_POST['username'];
          $password = $_POST['password'];
		    
       $hash = password_hash($password, PASSWORD_BCRYPT);
		  // Query database for row exist or not
          $sql = "SELECT password FROM fos_user WHERE  username = '$username' AND password = '$hash'";
          $test = mysql_query($sql) or die( mysql_error() );
          $row = mysql_fetch_assoc($test);
          if ($hash == $row['password']) 
          {
			 $result="true";	
          }  
          else
          {
			  	$result="false";
          }
		  
		  // send result back to android
   		  echo $result;
  	}



?>

<?php

$servername = "localhost";
$username = "root";
$password = "";
$dbname = "projet_grh";

try {
    	$conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
    	$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    	
    }
catch(PDOException $e)
    {
    	die("OOPs something went wrong");
    }

?>

i have a file named test.rar which have password that i set on it ,cuz i have a database file in it ,
i want to open this file and read data from my database file and use it for my app in android studio .
how can i do it ?

@Override
    public void onMapReady(GoogleMap map) {

        this.infoWindow = (ViewGroup)getActivity().getLayoutInflater().inflate(R.layout.info_marker_window, null);
        this.mekanfoto = (ImageView) infowindow.findViewById(R.id.mekan_foto);
        googleMap = map;
   
        if(googleMap!=null){

            googleMap.setInfoWindowAdapter(new GoogleMap.InfoWindowAdapter() {
                @Override
                public View getInfoWindow(Marker marker) {
                    return null;
                }

                @Override
                public View getInfoContents(final Marker marker) {
                    if(mLastLocation.getLatitude()!=marker.getPosition().latitude||
                            mLastLocation.getLongitude()!=marker.getPosition().longitude){

                        customMarker = CustomMarker.getCustomMarker(listCustomMarker, marker);
                        final String URL = customMarker.getVenue().getFoto(); 
                        createThread(mekanfoto,URL).start();
                        mapWrapperLayout.setMarkerWithInfoWindow(marker, infoWindow);
                        return infoWindow;
                    }
                    return null;}
            });
        }
    }

private synchronized Thread createThread(final ImageView imageView, final String URL)
    {
        final Bitmap[] b = new Bitmap[1];
       Thread thread=new Thread(new Runnable() {
           @Override
           public void run() {
               b[0] =download_Image(URL,imageView);

           }
       });
        return thread;
    }

public Bitmap download_Image(String url,ImageView imageview) {
        //---------------------------------------------------
        URL newurl = null;

        try {
            newurl = new URL(url);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }

        Bitmap mIcon_val = null;

        try {
            URLConnection urlConnection=newurl.openConnection();
            InputStream is=urlConnection.getInputStream();
            mIcon_val= BitmapFactory.decodeStream(is);
        } catch (Exception e) {
            e.printStackTrace();
        }finally {

        }
        imageview.setImageBitmap(mIcon_val);
        return mIcon_val;

        //---------------------------------------------------
}