Base Navigation Drawer Activity

BaseActivity.java

package ru.idaspin.risensapp.activities.base;

import android.content.Intent;
import android.support.annotation.NonNull;
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.MenuItem;

import butterknife.BindView;
import butterknife.ButterKnife;
import ru.arturvasilov.rxloader.LifecycleHandler;
import ru.arturvasilov.rxloader.LoaderLifecycleHandler;
import ru.idaspin.risensapp.R;

/**
 * Created by idaspin on 6/14/2017.
 */

public class BaseActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, BaseView {

    @BindView(R.id.drawer_layout)   DrawerLayout    mDrawerLayout;
    @BindView(R.id.nav_view)        NavigationView  mNavigationView;
    @BindView(R.id.toolbar)         Toolbar         mToolbar;

    public ActionBarDrawerToggle mToggle;

    private BasePresenter mPresenter;

    protected void onCreateDrawer() {
        setContentView(R.layout.activity_base);
        ButterKnife.bind(this);

        setSupportActionBar(mToolbar);

        mToggle = new ActionBarDrawerToggle(this, mDrawerLayout, mToolbar, 0, 0) {
            public void onDrawerClosed(View view) {
                getSupportActionBar().setTitle(R.string.app_name);
            }

            public void onDrawerOpened(View drawerView) {
                getSupportActionBar().setTitle(R.string.navigation_drawer_open);
            }
        };

        mDrawerLayout.addDrawerListener(mToggle);
        mToggle.syncState();

        mNavigationView.setNavigationItemSelectedListener(this);

        LifecycleHandler lifecycleHandler = LoaderLifecycleHandler.create(this, getSupportLoaderManager());
        mPresenter = new BasePresenter(lifecycleHandler, this);
    }

    @Override
    public void onBackPressed() {
        mPresenter.onBackPressed(mDrawerLayout.isDrawerOpen(GravityCompat.START));
    }

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(@NonNull MenuItem item) {
        mPresenter.onNavigationItemSelected(item.getItemId());
        return true;
    }

    @Override
    public void hideDrawer() {
        mDrawerLayout.closeDrawer(GravityCompat.START);
    }

    @Override
    public void openActivity(Class<? extends AppCompatActivity> target, String title) {
        Intent intent = new Intent(this, target);
        intent.putExtra("Actionbarname", title);
        startActivity(intent);
    }
}

BasePresenter.java

package ru.idaspin.risensapp.activities.base;

import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;

import ru.arturvasilov.rxloader.LifecycleHandler;

/**
 * Created by idaspin on 6/14/2017.
 */

class BasePresenter {

    private BaseView mBaseView;

    BasePresenter(@NonNull LifecycleHandler lifecycleHandler,
                  @NonNull BaseView mainView) {
        mBaseView = mainView;
    }

    void onNavigationItemSelected(int id) {
        switch (id) {
            default:
                mBaseView.openActivity(AppCompatActivity.class, "Ошибка");
                break;
        }
        mBaseView.hideDrawer();
    }

    void onBackPressed(boolean isDrawerOpen) {
        if (isDrawerOpen) {
            mBaseView.hideDrawer();
        }
    }
}

BaseView.java

package ru.idaspin.risensapp.activities.base;

import android.support.v7.app.AppCompatActivity;

/**
 * Created by idaspin on 6/14/2017.
 */

interface BaseView {

    void hideDrawer();

    void openActivity(Class<? extends AppCompatActivity> appCompatActivityClass, String title);

}