Android Open Source - bluegnss4osm Main Activity

• Back to GPS/bluetooth  ↑

From Project

Back to project page bluegnss4osm.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright 2014, Hiroshi Miura <miurahr@linux.com>
 * Copyright 2014, BlueGnss4OSM Project/*from   w  w  w. j a  v  a 2  s  .co m*/
 * Copyright (C) 2010, 2011, 2012 BluetoothGPS4Droid Project
 *
 * This file is part of BlueGnss4OSM.
 *
 * This 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 3 of the License, or
 * (at your option) any later version.
 *
 * This 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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with it. If not, see <http://www.gnu.org/licenses/>.
 */

package org.da_cha.android.bluegnss;

import org.da_cha.android.bluegnss.R;
import org.da_cha.android.bluegnss.view.GnssStatusView;

import android.app.AlertDialog;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.text.method.LinkMovementMethod;
import android.widget.TextView;
import android.view.View;
import android.view.ViewGroup;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.util.Log;

/**
 * An Activity Class used to start and stop connecting BT GPS/GNSS dongle.
 *
 * @author Hiroshi Miura
 *
 */
public class MainActivity extends ActionBarActivity implements ActionBar.TabListener {

    private final static String LOG_TAG = "BlueGNSS";

    SectionsPagerAdapter mSectionsPagerAdapter;
    ViewPager mViewPager;
    private GnssStatusView mGnssStatusView;

    /** Called when the activity is first created. */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        // Set up the action bar.
        final ActionBar actionBar = getSupportActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        // Create the adapter that will return a fragment for each of the three
        // primary sections of the activity.
        mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

        // Set up the ViewPager with the sections adapter.
        mViewPager = (ViewPager) findViewById(R.id.main_activity);
        mViewPager.setAdapter(mSectionsPagerAdapter);

        // When swiping between different sections, select the corresponding
        // tab. We can also use ActionBar.Tab#select() to do this if we have
        // a reference to the Tab.
        mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
            @Override
            public void onPageSelected(int position) {
                actionBar.setSelectedNavigationItem(position);
            }
        });

        // For each of the sections in the app, add a tab to the action bar.
        for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
            // Create a tab with text corresponding to the page title defined by
            // the adapter. Also specify this Activity object, which implements
            // the TabListener interface, as the callback (listener) for when
            // this tab is selected.
            actionBar.addTab(
                    actionBar.newTab()
                            .setText(mSectionsPagerAdapter.getPageTitle(i))
                            .setTabListener(this));
        }
        mGnssStatusView = (GnssStatusView) findViewById(R.id.GnssStatusView);
   }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
    }

    @Override
    protected void onResume() {
        super.onResume();
    }
 
    @Override
    protected void onDestroy() {
        super.onDestroy();
    }

    /*
     * Option Menu preparation
     */
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.optionsmenu, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch(item.getItemId()){
        case R.id.menu_pref:
            startActivity(new Intent(this, SettingActivity.class));
            return true;
        case R.id.menu_about:
            displayAboutDialog();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
        // When the given tab is selected, switch to the corresponding page in
        // the ViewPager.
        mViewPager.setCurrentItem(tab.getPosition());
    }

    @Override
    public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }

    @Override
    public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    }

    private void displayAboutDialog(){
        View messageView = getLayoutInflater().inflate(R.layout.about, null, false);
        // we need this to enable html links
        TextView textView = (TextView) messageView.findViewById(R.id.about_license);
        textView.setMovementMethod(LinkMovementMethod.getInstance());
        // When linking text, force to always use default color. This works
        // around a pressed color state bug.
        int defaultColor = textView.getTextColors().getDefaultColor();
        textView.setTextColor(defaultColor);
        textView = (TextView) messageView.findViewById(R.id.about_sources);
        textView.setTextColor(defaultColor);
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle(R.string.about_title);
        builder.setIcon(R.drawable.gplv3_icon);
        builder.setView(messageView);
        builder.show();
    }

    /**
     * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
     * one of the sections/tabs/pages.
     */
    public class SectionsPagerAdapter extends FragmentPagerAdapter {

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

        @Override
        public Fragment getItem(int position) {
            switch (position) {
                case 0:
                    return (Fragment) new MainFragment();
                case 1:
                    return (Fragment) new StatusFragment();
            }
            return null;
        }

        @Override
        public int getCount() {
            return 2;
        }

        @Override
        public CharSequence getPageTitle(int position) {
            switch (position) {
                case 0:
                    return getString(R.string.title_main);
                case 1:
                    return getString(R.string.title_status);
            }
            return null;
        }
    }

}

// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4

Java Source Code List

• Back to GPS/bluetooth  ↑