com.dj.hacktor.nshiddenlayout.MainActivity.java Source code

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Here is the source code for com.dj.hacktor.nshiddenlayout.MainActivity.java

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/**
 * Copyright 2015-2016 Deepansh Jain
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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 com.dj.hacktor.nshiddenlayout;

import android.content.res.Configuration;
import android.os.Bundle;
import android.support.design.widget.CollapsingToolbarLayout;
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.app.FragmentPagerAdapter;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
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.MenuItem;
import android.view.View;
import android.view.ViewGroup;

import com.dj.hacktor.nshiddenlayout.views.WrapContentHeightViewPager;

/**
 * @author DeepanshJain
 *         This is simple base calss of actvity which use to display posts and photos
 *         MainActivity#NavigationView  use for dispalying navigation drawer menu
 */
public class MainActivity extends AppCompatActivity {

    private DrawerLayout mDrawerLayout;
    private ActionBarDrawerToggle toggle;
    private TabLayout tabLayout;
    private SampleAdapter sampleAdapter;

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

        CollapsingToolbarLayout toolbarLayout = (CollapsingToolbarLayout) findViewById(R.id.toolbarCollapse);
        toolbarLayout.setTitle(getString(R.string.app_name));
        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setBackgroundColor(getResources().getColor(android.R.color.white));
        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        toggle = new ActionBarDrawerToggle(this, mDrawerLayout, toolbar, R.string.open_drawer,
                R.string.close_drawer);
        mDrawerLayout.setDrawerListener(toggle);
        setupDrawerContent(navigationView);
        //By default add post fragment
        tabLayout = (TabLayout) findViewById(R.id.tabLayout);
        tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
        sampleAdapter = new SampleAdapter(getSupportFragmentManager());
        WrapContentHeightViewPager mPager = (WrapContentHeightViewPager) findViewById(R.id.viewPager);
        mPager.setAdapter(sampleAdapter);
        tabLayout.setupWithViewPager(mPager);
    }

    private void setupDrawerContent(NavigationView navigationView) {
        navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(MenuItem menuItem) {
                mDrawerLayout.closeDrawers();
                menuItem.setChecked(true);
                getSupportActionBar().setTitle(menuItem.getTitle());
                return true;
            }
        });
    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        toggle.syncState();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        toggle.onConfigurationChanged(newConfig);
    }

    public static class SampleFragment extends android.support.v4.app.Fragment {

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
            return inflater.inflate(R.layout.fragment, container, false);
        }

    }

    /**
     * FragmentPagerAdapter for WrapContentHeightViewPager
     */
    public class SampleAdapter extends FragmentPagerAdapter {

        public SampleAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
            return new SampleFragment();
        }

        @Override
        public int getCount() {
            return 3;
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return "Page " + (position + 1);
        }
    }
}