com.yangtsaosoftware.pebblemessenger.activities.NavigationActivity.java Source code

Java tutorial

Introduction

Here is the source code for com.yangtsaosoftware.pebblemessenger.activities.NavigationActivity.java

Source

/*
 * Pebble Messenger is used to display non-english message on Pebble.
 * Copyright (C) 2014  Yang Tsao
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

package com.yangtsaosoftware.pebblemessenger.activities;

import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.widget.DrawerLayout;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;

import com.yangtsaosoftware.pebblemessenger.Constants;
import com.yangtsaosoftware.pebblemessenger.R;

public class NavigationActivity extends Activity implements NavigationDrawerFragment.NavigationDrawerCallbacks {

    /**
     * Fragment managing the behaviors, interactions and presentation of the navigation drawer.
     */
    private NavigationDrawerFragment mNavigationDrawerFragment;

    /**
     * Used to store the last screen title. For use in {@link #restoreActionBar()}.
     */
    private CharSequence mTitle;

    private static final String CLASS_TAG = "Navigate_Main";

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

        mNavigationDrawerFragment = (NavigationDrawerFragment) getFragmentManager()
                .findFragmentById(R.id.navigation_drawer);
        mTitle = getTitle();

        // Set up the drawer.
        mNavigationDrawerFragment.setUp(R.id.navigation_drawer, (DrawerLayout) findViewById(R.id.drawer_layout));
    }

    @Override
    public void onNavigationDrawerItemSelected(int position) {
        // update the main content by replacing fragments
        Constants.log(CLASS_TAG, "Navigation Item Selected:" + String.valueOf(position));
        FragmentManager fragmentManager = getFragmentManager();
        switch (position) {
        case 0:
            fragmentManager.beginTransaction().replace(R.id.container, new SettingFragment()).commit();

            break;
        case 1:
            fragmentManager.beginTransaction().replace(R.id.container, new SetupFragment()).commit();
            break;
        case 2:
            fragmentManager.beginTransaction().replace(R.id.container, new ToolsFragment()).commit();
            break;
        case 3:
            fragmentManager.beginTransaction().replace(R.id.container, new PlaceholderFragment()).commit();
            break;

        }
    }

    public void onSectionAttached(int number) {
        Constants.log(CLASS_TAG, "Section Attached:" + String.valueOf(number));
        switch (number) {
        case 0:
            mTitle = getString(R.string.title_setting_activity);

            break;
        case 1:
            mTitle = getString(R.string.title_setup_activity);
            break;
        case 2:
            mTitle = getString(R.string.title_tools_activity);
            break;
        case 3:
            mTitle = getString(R.string.title_about_activity);
            break;

        }
    }

    public void restoreActionBar() {
        ActionBar actionBar = getActionBar();
        if (actionBar != null) {
            actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
            actionBar.setDisplayShowTitleEnabled(true);
            actionBar.setTitle(mTitle);
        }

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        if (!mNavigationDrawerFragment.isDrawerOpen()) {
            // Only show items in the action bar relevant to this screen
            // if the drawer is not showing. Otherwise, let the drawer
            // decide what to show in the action bar.
            getMenuInflater().inflate(R.menu.navigation, menu);
            restoreActionBar();
            return true;
        }
        return super.onCreateOptionsMenu(menu);
    }

    @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();
        if (id == R.id.action_settings) {
            PreferenceManager.setDefaultValues(this, R.xml.preference, true);
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    /**
     * A placeholder fragment containing a simple view.
     */
    public static class PlaceholderFragment extends Fragment {
        /**
         * The fragment argument representing the section number for this
         * fragment.
         */
        private static final String ARG_SECTION_NUMBER = "section_number";

        /**
         * Returns a new instance of this fragment for the given section
         * number.
         */
        public static PlaceholderFragment newInstance(int sectionNumber) {
            PlaceholderFragment fragment = new PlaceholderFragment();
            Bundle args = new Bundle();
            args.putInt(ARG_SECTION_NUMBER, sectionNumber);
            fragment.setArguments(args);
            return fragment;
        }

        public PlaceholderFragment() {
        }

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

        @Override
        public void onAttach(Activity activity) {
            super.onAttach(activity);
            ((NavigationActivity) activity).onSectionAttached(3);
        }
    }

}