Android Open Source - sigimera-android-tablet Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * Sigimera Crises Information Platform Android Client
 * Copyright (C) 2011-2012 by Sigimera// www  .  j  a  v a  2s.c om
 * All Rights Reserved
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.sigimera.frontends.android.tablet;

import java.io.InputStream;

import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.ActionBar.TabListener;
import android.app.Activity;
import android.app.DialogFragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends Activity implements TabListener {
    private static final int REQUEST_CODE = 1;
    private View actionBarView;

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

        Configuration config = getResources().getConfiguration();
        if ( config.orientation == Configuration.ORIENTATION_PORTRAIT ) {
            FragmentManager fragManager = getFragmentManager();
            CategoryListFragment crisisListFrag = (CategoryListFragment)fragManager.findFragmentById(R.id.category_list);
            if ( !crisisListFrag.isHidden() )
                fragManager.beginTransaction().hide(crisisListFrag).commit();
        }

        ActionBar actionBar = getActionBar();

        actionBar.addTab(actionBar.newTab().setText("By Type").setTabListener(this));
        //        actionBar.addTab(actionBar.newTab().setText("By Country").setTabListener(this));

        this.actionBarView = getLayoutInflater().inflate(R.layout.action_bar_custom, null);

        actionBar.setCustomView(this.actionBarView);
        actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_USE_LOGO);
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        actionBar.setDisplayShowHomeEnabled(true);

        if( savedInstanceState != null ) {
            int selectedTab = savedInstanceState.getInt("selectedTab");
            actionBar.selectTab(actionBar.getTabAt(selectedTab));
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.main_menu, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.refresh:
                Toast.makeText(this, "TODO: Refresh the cache (not implemented)...", Toast.LENGTH_SHORT).show();
                return true;
            case R.id.share:
                Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
                shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "Try out the amazing Crisis Information Service.");
                shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, "http://www.sigimera.org");
                shareIntent.setType("text/plain");
                this.startActivity(shareIntent);
                return true;
            case R.id.toggleTitles:
                FragmentManager fragManager = getFragmentManager();
                CategoryListFragment crisisListFrag = (CategoryListFragment) fragManager.findFragmentById(R.id.category_list);
                if ( crisisListFrag.isHidden() ) {
                    fragManager.beginTransaction().show(crisisListFrag).commit();
                } else {
                    fragManager.beginTransaction().hide(crisisListFrag).commit();
                }

                return true;
            case R.id.showSettings:
                Intent settings = new Intent(MainActivity.this, Settings.class);
                this.startActivity(settings);
                return true;
            case R.id.showAboutDialog:
                this.showAboutDialog();
                return true;
        }
        return false;
    }

    @Override
    protected void onActivityResult(int _requestCode, int _resultCode, Intent _data) {
        super.onActivityResult(_requestCode, _resultCode, _data);

        if ( _resultCode == RESULT_CANCELED ) {
            Toast.makeText(this, "Process Cancelled!", Toast.LENGTH_SHORT).show();
        } else if ( _requestCode == REQUEST_CODE && _resultCode == RESULT_OK ) {
            try {
                InputStream stream = getContentResolver().openInputStream(_data.getData());
                Bitmap bitmap = BitmapFactory.decodeStream(stream);
                stream.close();
                /**
                 * TODO: Call here a upload dialog...
                 */
                Toast.makeText(this, "Image found... " + bitmap.getHeight() + " x " + bitmap.getWidth(), 30000).show();
            } catch (Exception e) {
                Toast.makeText(this, "This file is no image!", 10000).show();
            }
        }
    }

    private void showAboutDialog() {
        FragmentTransaction ft = getFragmentManager().beginTransaction();

        DialogFragment newFragment = AboutDialogFragment.newInstance();
        newFragment.show(ft, "dialog");
    }

    /**
     * @see android.app.ActionBar.TabListener#onTabReselected(android.app.ActionBar.Tab, android.app.FragmentTransaction)
     */
    @Override
    public void onTabReselected(Tab _tab, FragmentTransaction _ft) {
        FragmentManager fragManager = getFragmentManager();
        CategoryListFragment crisisListFrag = (CategoryListFragment)fragManager.findFragmentById(R.id.category_list);
        if ( crisisListFrag.isHidden() ) {
            fragManager.beginTransaction().show(crisisListFrag).commit();
        }
    }

    /**
     * @see android.app.ActionBar.TabListener#onTabSelected(android.app.ActionBar.Tab, android.app.FragmentTransaction)
     */
    @Override
    public void onTabSelected(Tab _tab, FragmentTransaction _ft) {
        FragmentManager fragManager = getFragmentManager();
        CategoryListFragment crisisListFrag = (CategoryListFragment)fragManager.findFragmentById(R.id.category_list);
        if ( crisisListFrag.isHidden() ) {
            fragManager.beginTransaction().show(crisisListFrag).commit();
        }

        crisisListFrag.populateCrisisList(_tab.getPosition());
    }

    /**
     * @see android.app.ActionBar.TabListener#onTabUnselected(android.app.ActionBar.Tab, android.app.FragmentTransaction)
     */
    @Override
    public void onTabUnselected(Tab _tab, FragmentTransaction _ft) {}

    @Override
    public void onSaveInstanceState(Bundle _outState) {
        super.onSaveInstanceState(_outState);
        ActionBar bar = getActionBar();
        int category = bar.getSelectedTab().getPosition();
        _outState.putInt("selectedTab", category);
    }

}

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