package com.polito.gmail;

import java.util.List;

import android.os.Bundle;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.view.Menu;
import android.widget.Toast;

public class MainActivity extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		startApplication("com.gmail");
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu)
	{
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.activity_main, menu);
		return true;
	}

	public void startApplication(String packageName){
	    Toast toast = new Toast(MainActivity.this);
	    try
	    {
	        Intent intent = new Intent("android.intent.action.MAIN");
	        intent.addCategory("android.intent.category.LAUNCHER");
	        intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
	        List<ResolveInfo> resolveInfoList = getPackageManager().queryIntentActivities(intent, 0);

	        for(ResolveInfo info : resolveInfoList)
	            if(info.activityInfo.packageName.equalsIgnoreCase(packageName))
	            {
	        		toast = Toast.makeText(MainActivity.this, "Gmail è aggiornato", Toast.LENGTH_LONG);
	        		toast.show();
	        		launchApp(info.activityInfo.packageName, info.activityInfo.name);
	                return;
	            }
	    }
	    catch (Exception e)
	    {
	    	toast = Toast.makeText(MainActivity.this, "Non trovo", Toast.LENGTH_LONG);
    		toast.show();
	    }
	}

	private void launchApp(String packageName, String name)
	{
	    Intent intent = new Intent("android.intent.action.MAIN");
	    intent.addCategory("android.intent.category.LAUNCHER");
	    intent.setComponent(new ComponentName(packageName, name));
	    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
	    startActivity(intent);
	}

}