kodJava

Klasa główna
package com.example.itelepolis;

import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.pm.ActivityInfo;
import android.view.KeyEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
	private WebView kontrolka;
	private TextView naglowek;
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                                WindowManager.LayoutParams.FLAG_FULLSCREEN);

        setRequestedOrientation (ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        setContentView(R.layout.activity_main);
        kontrolka = (WebView) findViewById(R.id.html);
        naglowek = (TextView) findViewById(R.id.naglowek);
        kontrolka.getSettings().setJavaScriptEnabled (true);
        kontrolka.setWebChromeClient (new WebChromeClient());
        kontrolka.addJavascriptInterface(new TelepolisJavaScript (this),"telepolis");
        kontrolka.loadUrl("file:///android_asset/www/telepolis.html");


        naglowek.setOnClickListener(new View.OnClickListener() {
                                                                 public void onClick(View v) {
                                                                	 Toast.makeText(getApplicationContext(), "Odświeżanie", Toast.LENGTH_SHORT).show();
                                                                	 kontrolka.loadUrl("file:///android_asset/www/telepolis.html");
                                                                                             }
        });
    }


    public boolean	 onKeyDown(int keyCode, KeyEvent event)
    {
    	if (event.getKeyCode()==KeyEvent.KEYCODE_BACK)
    	{
    		AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);

    			alertDialogBuilder.setTitle("mTelepolis");
    			alertDialogBuilder
    				.setMessage("Czy na pewno chcesz opuścić aplikację?")
    				.setCancelable(true)
    				.setPositiveButton("Tak",new DialogInterface.OnClickListener() {
    					public void onClick(DialogInterface dialog,int id) {
    						finish();
    					}
    				  })
    				.setNegativeButton("Nie",new DialogInterface.OnClickListener() {
    					public void onClick(DialogInterface dialog,int id) {
    						dialog.cancel();
    					}
    				});

    				AlertDialog alertDialog = alertDialogBuilder.create();
    				alertDialog.show();



    	}
    	return false;
    }


    public void onDestroy(){android.os.Process.killProcess(android.os.Process.myPid());};
}

Klasa pomocnicza:
package com.example.itelepolis;

import android.content.Context;
import android.content.Intent;

public class TelepolisJavaScript {
private Context kontekst = null;

public TelepolisJavaScript (Context kontekst)
                                             {
	                                           this.kontekst=kontekst;
	                                         }
public void podzielSieTelepolis(String tytul, String link){
	Intent intencja_wysylki = new Intent(Intent.ACTION_SEND);
    intencja_wysylki.setType("text/plain");
    intencja_wysylki.putExtra(Intent.EXTRA_TEXT, "Polecam z Telepolis: \n\n'"+tytul+"'\n\n"+link);
	kontekst.startActivity(Intent.createChooser(intencja_wysylki, "Wyślij przez:"));

}

}