br.com.testmaster.view.activity.MainActivity.java Source code

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Here is the source code for br.com.testmaster.view.activity.MainActivity.java

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/*
 * Copyright (c) 2016 by Moiss Santana.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package br.com.testmaster.view.activity;

import android.os.Bundle;
import android.support.design.widget.NavigationView;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
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.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;

import br.com.testmaster.R;
import br.com.testmaster.view.fragment.LeadsFragment;
import br.com.testmaster.view.fragment.OffersFragment;

public class MainActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener {

    private TabLayout tabLayout;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        toolbar.setTitle(getResources().getString(R.string.main_activity_title));
        setSupportActionBar(toolbar);
        tabLayout = (TabLayout) findViewById(R.id.tabs);
        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.addDrawerListener(toggle);
        toggle.syncState();
        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);

        //Para evitar o uso de ViewPager
        //---------------------------------------------------------------------------------------------
        TextView tabOffer = (TextView) LayoutInflater.from(this).inflate(R.layout.custom_tab, null);
        tabOffer.setText("Disponveis");
        tabOffer.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.ic_basket, 0, 0, 0);

        TextView tabLead = (TextView) LayoutInflater.from(this).inflate(R.layout.custom_tab, null);
        tabLead.setText("Aceitos");
        tabLead.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.ic_check, 0, 0, 0);

        //create tabs title
        tabLayout.addTab(tabLayout.newTab().setCustomView(tabOffer));
        tabLayout.addTab(tabLayout.newTab().setCustomView(tabLead));
        //replace default fragment
        replaceFragment(new OffersFragment());
        //handling tab click event
        tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
            @Override
            public void onTabSelected(TabLayout.Tab tab) {
                if (tab.getPosition() == 0) {
                    replaceFragment(new OffersFragment());
                } else if (tab.getPosition() == 1) {
                    replaceFragment(new LeadsFragment());
                }
            }

            @Override
            public void onTabUnselected(TabLayout.Tab tab) {
            }

            @Override
            public void onTabReselected(TabLayout.Tab tab) {
            }
        });
    }

    private void replaceFragment(Fragment fragment) {
        FragmentManager fragmentManager = getSupportFragmentManager();
        android.support.v4.app.FragmentTransaction transaction = fragmentManager.beginTransaction();
        transaction.replace(R.id.content_main, fragment);

        fragmentManager.addOnBackStackChangedListener(new FragmentManager.OnBackStackChangedListener() {
            @Override
            public void onBackStackChanged() {
                if (getFragmentManager().getBackStackEntryCount() == 0)
                    finish();
            }
        });
        transaction.commit();
    }
    //-------------------------------------------------------------------------

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
            int count = getFragmentManager().getBackStackEntryCount();
            if (count == 0) {
                super.onBackPressed();
            } else {
                getFragmentManager().popBackStack();
            }
        }
    }

    @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 false;
    }

    @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.mipmap.ic_basket) {
            replaceFragment(new OffersFragment());
        } else if (id == R.mipmap.ic_check) {
            replaceFragment(new LeadsFragment());
        }

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