MainActivity.java

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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 com.support.design.activity;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.design.widget.AppBarLayout;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.NavigationView;
import android.support.design.widget.Snackbar;
import android.support.design.widget.TabLayout;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v4.view.GravityCompat;
import android.support.v4.view.ViewPager;
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.Menu;
import android.view.MenuItem;
import android.view.View;

import com.support.design.R;
import com.support.design.common.Flog;
import com.support.design.fragment.CheeseListFragment;
import com.support.design.fragment.CustomPagerAdapter;

/**
 * Demo 主界面
 * 持续修改中
 *
 * @author Choices
 */
public class MainActivity extends AppCompatActivity {

    private DrawerLayout mDrawerLayout;
    private AppBarLayout mAppBar;

    public static final int DEFAULT_PAGES = 2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        final ActionBar ab = getSupportActionBar();
        if (ab != null) {
            ab.setHomeAsUpIndicator(R.drawable.ic_menu);
            ab.setDisplayHomeAsUpEnabled(true);
        }

        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);

//        ActionBarDrawerToggle drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
//                toolbar, R.string.open, R.string.close);
//        drawerToggle.syncState();
//        mDrawerLayout.setDrawerListener(drawerToggle);


        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        if (navigationView != null) {
            setupDrawerContent(navigationView);
        }

        ViewPager viewPager = (ViewPager) findViewById(R.id.viewpager);
        TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);

        if (viewPager != null) {
            setupViewPager(viewPager);
            tabLayout.setupWithViewPager(viewPager);
        }

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Here's a Snackbar", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });


        LocalBroadcastManager.getInstance(this).registerReceiver(receiver, new IntentFilter("Choices"));

    }

    private BroadcastReceiver receiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            Flog.d("intent getAction : %s", intent.getAction());
        }
    };

    @Override
    protected void onDestroy() {
        super.onDestroy();
        LocalBroadcastManager.getInstance(this).unregisterReceiver(receiver);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.sample_actions, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                mDrawerLayout.openDrawer(GravityCompat.START);
                break;
            case R.id.action_about:

//                Intent intent = new Intent(this, MessageActivity.class);
//                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//                startActivity(intent);
                break;
        }
        return super.onOptionsItemSelected(item);
    }

    private void setupViewPager(ViewPager viewPager) {
        CustomPagerAdapter adapter = new CustomPagerAdapter(getSupportFragmentManager());
        adapter.addFragment(CheeseListFragment.newInstance(CheeseListFragment.GLIDE), "Glide");
        adapter.addFragment(CheeseListFragment.newInstance(CheeseListFragment.FRESCO), "Fresco");
        viewPager.setAdapter(adapter);
        viewPager.setOffscreenPageLimit(DEFAULT_PAGES);
    }

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

}