com.cpd.activities.MainActivity.java Source code

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Here is the source code for com.cpd.activities.MainActivity.java

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/*
 * Copyright 2016 Universidade Federal do Rio Grande do Sul
 *
 * 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.cpd.activities;

import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;

import com.cpd.adapters.ViewPagerAdapter;
import com.cpd.ufrgsmobile.R;
import com.cpd.utils.AppTags;

/**
 * App's main activity. Configures the tabs to be loaded with the fragments.
 *
 * @author Alan Wink
 * @author Theodoro Mota
 * @version 2.0
 */
public class MainActivity extends AppCompatActivity {

    public static final String TAG = MainActivity.class.getSimpleName();

    private ViewPagerAdapter mPagerAdapter;

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

        if (getResources().getBoolean(R.bool.portrait_only)) {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT);
        } else {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_USER);
        }

        configureToolbar();
        configurePagerTabs();

    }

    private void configurePagerTabs() {

        mPagerAdapter = new ViewPagerAdapter(getSupportFragmentManager());

        ViewPager pager = (ViewPager) findViewById(R.id.main_pager);
        pager.setAdapter(mPagerAdapter);

        TabLayout tabLayout = (TabLayout) findViewById(R.id.main_tabs);
        tabLayout.setupWithViewPager(pager);

        // Set Tab Icons
        for (int i = 0; i < mPagerAdapter.getCount(); i++) {
            tabLayout.getTabAt(i).setIcon(mPagerAdapter.getIconAt(i));
        }

    }

    private void configureToolbar() {
        Toolbar toolbar = (Toolbar) findViewById(R.id.main_toolbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayShowTitleEnabled(false);
    }

    @Override
    public void onResume() {
        super.onResume();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.main_activity_menu, menu);

        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.action_app_settings:
            Intent i = new Intent(this, MainPreferencesActivity.class);
            startActivityForResult(i, AppTags.UFRGS_OPTIONS);
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == AppTags.UFRGS_OPTIONS) {
            mPagerAdapter.notifyDataSetChanged();
        }
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        //No call for super(). Bug on API Level > 11.
    }
}