com.ymotongpoo.android.gopher.MainActivity.java Source code

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Here is the source code for com.ymotongpoo.android.gopher.MainActivity.java

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/*
 * Copyright 2016 Yoshi Yamaguchi
 *
 * 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.ymotongpoo.android.gopher;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
import android.support.design.widget.NavigationView;
import android.support.v4.app.FragmentTransaction;
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.view.View;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener, ACUnitFragment.OnFragmentInteractionListener {

    private static final String LOG_TAG = MainActivity.class.getSimpleName();
    public static final String USER_DATA_KEY = "user_data_key";

    private SharedPreferences mSharedPref;
    private User mUser;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Load user information for navigation header
        mSharedPref = getSharedPreferences(User.USER_PREF, Context.MODE_PRIVATE);
        Intent intent = getIntent();
        if (intent != null) {
            mUser = (User) intent.getSerializableExtra(User.USER_KEY);
        } else {
            String username = mSharedPref.getString(getString(R.string.pref_username_key),
                    getString(R.string.nav_header_username));
            String email = mSharedPref.getString(getString(R.string.pref_email_key),
                    getString(R.string.nav_header_email));
            mUser = new User(username, email, "");
        }

        setContentView(R.layout.activity_main);

        // Load main content fragment
        if (savedInstanceState == null) {
            ACUnitFragment acUnitFragment = new ACUnitFragment();
            FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
            ft.replace(R.id.fragment_container, acUnitFragment);
            ft.commit();
        }

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

        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);

        // There is a bug in Design Support Library 23.1.0 and the workaround is added in 23.1.1.
        // http://goo.gl/WHwfeB
        View navHeaderView = navigationView.getHeaderView(0);
        TextView usernameTextView = (TextView) navHeaderView.findViewById(R.id.nav_header_username);
        usernameTextView.setText(mUser.getUsername());
        TextView emailTextView = (TextView) navHeaderView.findViewById(R.id.nav_header_email);
        emailTextView.setText(mUser.getPassword());
    }

    @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_ac_unit) {

        } else if (id == R.id.nav_camera) {
            // Handle the camera action
        } else if (id == R.id.nav_share) {

        } else if (id == R.id.nav_send) {

        } else if (id == R.id.nav_logout) {
            SharedPreferences.Editor editor = mSharedPref.edit();
            editor.remove(getString(R.string.pref_username_key));
            editor.remove(getString(R.string.pref_email_key));
            editor.commit();

            Intent intent = new Intent(this, com.ymotongpoo.android.gopher.LoginActivity.class);
            startActivity(intent);
        }

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

    @Override
    public void onFragmentInteraction(Uri uri) {
    }
}