Android Open Source - android-sensor-example Main Activity

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From Project

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License

The source code is released under:

Apache License

Java Source Code

package be.hcpl.android.sensors;
/*from   w  ww  .  j  av a 2  s  .c  o  m*/
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;


public class MainActivity extends ActionBarActivity
        implements NavigationDrawerFragment.NavigationDrawerCallbacks {

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

    /**
     * this is the one and only visible fragment loaded in the container
     */
    private Fragment mContentFragment;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // set the layout here for our acitivity
        setContentView(R.layout.activity_main);

        // the fragment loaded in the navigation drawer
        mNavigationDrawerFragment = (NavigationDrawerFragment)
                getSupportFragmentManager().findFragmentById(R.id.navigation_drawer);

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

    @Override
    public void onNavigationDrawerItemSelected(int position) {
        // get the selected fragment from the navigation drawer
        if( mNavigationDrawerFragment != null )
            mContentFragment = (Fragment)mNavigationDrawerFragment.getNavigationFragments().getItem(position);
        // if none fallback to some default
        if( mContentFragment== null )
            mContentFragment = new WelcomeFragment();
        // and switch content to that instance
        switchFragment(mContentFragment);
    }

    /**
     * public method that allows switching the content fragment. This way fragments can
     * request switching to another fragments (= perform navigation)
     *
     * @param fragment
     */
    public void switchFragment(Fragment fragment) {
        // update the main content by replacing fragments
        FragmentManager fragmentManager = getSupportFragmentManager();
        fragmentManager.beginTransaction()
                .replace(R.id.container, fragment)
                .addToBackStack(fragment.getClass().getSimpleName())
                .commit();
        mContentFragment = fragment;
    }

    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.main, 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) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

}

Java Source Code List

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