Android Open Source - how-many-squirrels-android Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.howmuchof.squirrels.android;
// w  w  w.j  a v a 2 s  .  c  o m
import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;

/*
  * How many squirrels: tool for young naturalist
  *
  * This application is created within the internship
  * in the Education Department of Tomsksoft, http://tomsksoft.com
  * Idea and leading: Sergei Borisov
  *
  * This software is licensed under a GPL v3
  * http://www.gnu.org/licenses/gpl.txt
  *
  * Created by Viacheslav Voronov on 4/13/2014
  */

public class MainActivity extends Activity {
    ActionBar.Tab mainTab, graphViewTab, listViewTab;
    Fragment mainFragment = new MainFragmentActivity();
    Fragment listViewFragment = new ListViewFragment();
    Fragment graphViewFragment = new GraphViewFragment();


    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ActionBar actionBar = getActionBar();
        if (actionBar != null) {
            actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        }

        mainTab = actionBar.newTab().setText(R.string.mainTabName);
        graphViewTab = actionBar.newTab().setText(R.string.graphViewTabName);
        listViewTab = actionBar.newTab().setText(R.string.listViewTabName);

        mainTab.setTabListener(new TabListener(mainFragment));
        graphViewTab.setTabListener(new TabListener(graphViewFragment));
        listViewTab.setTabListener(new TabListener(listViewFragment));

        actionBar.addTab(mainTab);
        actionBar.addTab(listViewTab);
        actionBar.addTab(graphViewTab);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        menu.add(0,1,0,R.string.settingsPageTitle);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        Intent intent = new Intent(this, SettingsActivity.class);
        int tabNumber = 0;
        ActionBar actionBar = this.getActionBar();
        if (null != actionBar) {
            tabNumber = actionBar.getSelectedTab().getPosition();
        }
        startActivityForResult(intent, tabNumber);
        onResume();
        return true;
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        ActionBar actionBar = this.getActionBar();
        if (null != actionBar) {
            ActionBar.Tab tab = actionBar.getTabAt(requestCode);
            actionBar.selectTab(tab);
        }
    }

    public class TabListener implements ActionBar.TabListener {
        Fragment fragment;

        public TabListener(Fragment fragment) {
           this.fragment = fragment;
        }

        public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
            ft.replace(R.id.fragment_container, fragment);
        }

        public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {
            ft.remove(fragment);
        }

        public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
            // nothing done here
        }
    }
}

Java Source Code List

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