MainActivity.Java

package com.blogspot.ahyadevelopers.tatasurya;

import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
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;
import android.widget.AdapterView;
import android.widget.ListView;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    ListView listView;

    private String[] planet = {
            "Merkurius",
            "Venus",
            "Bumi",
            "Mars",
            "Yupiter",
            "Saturnus",
            "Uranus",
            "Neptunus"
    };

    private Integer[] gambar = {
            R.drawable.merkurius,
            R.drawable.venus,
            R.drawable.bumi,
            R.drawable.mars,
            R.drawable.jupiter,
            R.drawable.saturnus,
            R.drawable.uranus,
            R.drawable.neptune
    };


    private FloatingActionButton fab;

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

        listView = (ListView) findViewById(R.id.listView);
        CustomAdapter customAdapter = new CustomAdapter(this, planet, gambar);

        listView.setAdapter(customAdapter);


        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
                Intent intent = new Intent(MainActivity.this, DetailActivity.class);
                intent.putExtra("planet", planet[i]);
                intent.putExtra("gambar", gambar[i]);
                InfoDetail infoDetail = new InfoDetail();
                intent.putExtra("detail", infoDetail.detail[i]);
                startActivity(intent);
            }
        });


        fab = (FloatingActionButton) findViewById(R.id.fab);

        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Contact contact = new Contact();
                FragmentManager fragmentManager = getSupportFragmentManager();
                fragmentManager.beginTransaction().replace(R.id.container, contact).commit();
                fab.hide();
            }
        });

        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;
    }

    @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);
    }

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

        if (id == R.id.nav_home) {
            if (getSupportFragmentManager().getFragments() !=null && getSupportFragmentManager().getFragments().size() > 0){
                for (int i = 0; i < getSupportFragmentManager().getFragments().size(); i++){
                    Fragment fragment = getSupportFragmentManager().getFragments().get(i);
                    if (fragment != null){
                        getSupportFragmentManager().beginTransaction().remove(fragment).commit();
                    }
                }
            }
        } else if (id == R.id.nav_surya) {
            if (getSupportFragmentManager().getFragments() != null && getSupportFragmentManager().getFragments().size() > 0){
                for (int i = 0; i < getSupportFragmentManager().getFragments().size(); i++){
                    Fragment fragment = getSupportFragmentManager().getFragments().get(i);
                    if (fragment != null){
                        getSupportFragmentManager().beginTransaction().remove(fragment).commit();
                    }
                }
            }
        } else if (id == R.id.nav_contact) {
            Contact contact = new Contact();
            FragmentManager fragmentManager = getSupportFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.container, contact).commit();

            fab.hide();
        } else if (id == R.id.nav_share) {
            Intent share = new Intent(Intent.ACTION_SEND);
            share.setType("text/plain");
            share.putExtra(Intent.EXTRA_SUBJECT, "Share Application");
            share.putExtra(Intent.EXTRA_TEXT, "http://ahyadevelopers.blogspot.com");
            startActivity(Intent.createChooser(share, "Share this aplication"));
        } else if (id == R.id.nav_tentang) {
            About about = new About();
            FragmentManager fragmentManager = getSupportFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.container, about).commit();

            fab.hide();
        }

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