computer-science-internal-assesment/MainActivity.java at main · mcquerol/computer-science-internal-assesment · GitHub

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package com.isb.mateoceballos.computerscienceinternalassesment;

import android.app.FragmentManager;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);


        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);
    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
        }
    }

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


    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.
        int id = item.getItemId();

        FragmentManager fragmentManager = getFragmentManager();

        if (id == R.id.nav_first_objective) {
           fragmentManager.beginTransaction().replace(R.id.content_frame, new FirstFragment()).commit();
        } else if (id == R.id.nav_second_objective) {
            fragmentManager.beginTransaction().replace(R.id.content_frame, new SecondFragment()).commit();
        } else if (id == R.id.nav_third_objective) {
            fragmentManager.beginTransaction().replace(R.id.content_frame, new ThirdFragment()).commit();
        } else if (id == R.id.nav_third_objective_sub1){
            fragmentManager.beginTransaction().replace(R.id.content_frame, new ThirdFragmentSub1()).commit();
        } else if (id == R.id.nav_fourth_objective){
            fragmentManager.beginTransaction().replace(R.id.content_frame, new FourthFragment()).commit();
        } else if(id == R.id.nav_fourth_objective_sub1){
            fragmentManager.beginTransaction().replace(R.id.content_frame, new FourthFragmentSub1()).commit();
        }


        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }
}