Android Open Source - EazeGraph Chart Activity

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License

The source code is released under:
Apache License
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Java Source Code

package org.eazegraph.showcase;
//from   ww  w  .  ja v  a 2 s . c om
import android.app.Activity;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.content.Context;
import android.os.Build;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.support.v4.widget.DrawerLayout;
import android.widget.ArrayAdapter;
import android.widget.TextView;

import org.eazegraph.showcase.fragments.*;


public class ChartActivity extends ActionBarActivity
        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;

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

        mNavigationDrawerFragment = (NavigationDrawerFragment)
                getSupportFragmentManager().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
        onSectionAttached(position);
        switch (position) {
            case 0:
                mCurrentFragment = new BarChartFragment();
                break;
            case 1:
                mCurrentFragment = new StackedBarChartFragment();
                break;
            case 2:
                mCurrentFragment = new PieChartFragment();
                break;
            case 3:
                mCurrentFragment = new ValueLineChartFragment();
                break;
            case 4:
                mCurrentFragment = new CubicValueLineChartFragment();
                break;
            default:
                mCurrentFragment = new BarChartFragment();
                break;
        }

        FragmentManager fragmentManager = getSupportFragmentManager();
        fragmentManager.beginTransaction()
                .replace(R.id.container, mCurrentFragment)
                .commit();
    }

    public void onSectionAttached(int number) {
        switch (number) {
            case 0:
                mTitle = getString(R.string.nav_bar_chart);
                break;
            case 1:
                mTitle = getString(R.string.nav_stacked_bar_chart);
                break;
            case 2:
                mTitle = getString(R.string.nav_pie_chart);
                break;
            case 3:
                mTitle = getString(R.string.nav_value_line_chart);
                break;
            case 4:
                mTitle = getString(R.string.nav_cubic_value_line_chart);
                break;
        }
    }

    public void restoreActionBar() {
        ActionBar actionBar = getSupportActionBar();
        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.chart, 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();

        switch (id) {
            case R.id.action_restart:
                mCurrentFragment.restartAnimation();
                return true;
            case R.id.action_reset:
                mCurrentFragment.onReset();
                return true;
        }

        return super.onOptionsItemSelected(item);
    }



    private ChartFragment mCurrentFragment;
}
Java Source Code List
