MainActivity.java

package yv.trip;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.GestureDetector;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;

import yv.trip.adapters.MyAdapter;
import yv.trip.fragments.FlightsFragment;
import yv.trip.fragments.HomeFragment;
import yv.trip.fragments.HotelsFragment;

public class MainActivity extends ActionBarActivity {

    String TITLES[] = {"Home", "Flights", "Hotels"};
    int ICONS[] = {R.drawable.ic_action_user, R.drawable.ic_action_plane, R.drawable.ic_action_home};

    String NAME = "Yaron & Tali";
    String EMAIL = "yaronv99@gmail.com";
    String WEBSITE = "http://yaronvazana.com";
    int PROFILE = R.drawable.us;

    private Toolbar toolbar;

    RecyclerView mRecyclerView;
    RecyclerView.Adapter mAdapter;
    RecyclerView.LayoutManager mLayoutManager;
    DrawerLayout Drawer;

    int lastMenu = -1;

    ActionBarDrawerToggle mDrawerToggle;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        toolbar = (Toolbar) findViewById(R.id.tool_bar);
        setSupportActionBar(toolbar);

        mRecyclerView = (RecyclerView) findViewById(R.id.RecyclerView);

        mRecyclerView.setHasFixedSize(true);

        mAdapter = new MyAdapter(TITLES,ICONS,NAME,EMAIL,PROFILE,WEBSITE,this);

        mRecyclerView.setAdapter(mAdapter);

        // get the fadein animation
        final Animation animationFadeIn = AnimationUtils.loadAnimation(this, R.anim.fade_in);

        final ImageView bgImage = (ImageView)findViewById(R.id.bg_image);

        // fade in the background image
        bgImage.startAnimation(animationFadeIn);

        final GestureDetector mGestureDetector = new GestureDetector(MainActivity.this, new GestureDetector.SimpleOnGestureListener() {

            @Override public boolean onSingleTapUp(MotionEvent e) {
                return true;
            }

        });

        mRecyclerView.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
            @Override
            public boolean onInterceptTouchEvent(RecyclerView recyclerView, MotionEvent motionEvent) {
                View child = recyclerView.findChildViewUnder(motionEvent.getX(),motionEvent.getY());

                if(child != null && mGestureDetector.onTouchEvent(motionEvent)){
                    Drawer.closeDrawers();
//                    Toast.makeText(MainActivity.this, "The Item Clicked is: " + recyclerView.getChildPosition(child), Toast.LENGTH_SHORT).show();

                    onTouchDrawer(recyclerView.getChildPosition(child));
                    return true;

                }

                return false;
            }

            @Override
            public void onTouchEvent(RecyclerView recyclerView, MotionEvent motionEvent) {

            }
        });

        mLayoutManager = new LinearLayoutManager(this);

        mRecyclerView.setLayoutManager(mLayoutManager);

        Drawer = (DrawerLayout) findViewById(R.id.DrawerLayout);

        mDrawerToggle = new ActionBarDrawerToggle(this, Drawer, toolbar, R.string.openDrawer, R.string.closeDrawer){

            @Override
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
            }

            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
            }
        };

        Drawer.setDrawerListener(mDrawerToggle);
        mDrawerToggle.syncState();
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    private void openFragment(final Fragment fragment) {
        getSupportFragmentManager()
                .beginTransaction()
                .replace(R.id.container, fragment)
                .commit();
    }

    public void onTouchDrawer(final int position) {
        if (lastMenu == position) return;

        switch (lastMenu = position) {
            case 1:
                openFragment(new HomeFragment());
                break;
            case 2:
                openFragment(new FlightsFragment());
                break;
            case 3:
                openFragment(new HotelsFragment());
                break;
            default:
        }
    }
}