Android Open Source - voicr Main Activity

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Back to project page voicr.
License

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

package info.androidhive.slidingmenu;
//from  w w w. j  a v  a  2 s . c  o m
import info.androidhive.slidingmenu.adapter.NavDrawerListAdapter;
import info.androidhive.slidingmenu.model.NavDrawerItem;

import java.util.ArrayList;

import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;

public class MainActivity extends FragmentActivity {
  private DrawerLayout mDrawerLayout;
  private ListView mDrawerList;
  private ActionBarDrawerToggle mDrawerToggle;

  // nav drawer title
  private CharSequence mDrawerTitle;

  // used to store app title
  private CharSequence mTitle;

  // slide menu items
  private String[] navMenuTitles;
  private TypedArray navMenuIcons;

  private ArrayList<NavDrawerItem> navDrawerItems;
  private NavDrawerListAdapter adapter;

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

    mTitle = mDrawerTitle = getTitle();

    // load slide menu items
    navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);

    // nav drawer icons from resources
    navMenuIcons = getResources()
        .obtainTypedArray(R.array.nav_drawer_icons);

    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerList = (ListView) findViewById(R.id.list_slidermenu);

    navDrawerItems = new ArrayList<NavDrawerItem>();

    // adding nav drawer items to array
    // Home
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons.getResourceId(0, -1)));
    // Find People
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons.getResourceId(1, -1)));
    // Photos
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons.getResourceId(2, -1)));
    // Communities, Will add a counter here
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons.getResourceId(3, -1), true, "22"));
    // Pages
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons.getResourceId(4, -1)));
    // What's hot, We  will add a counter here
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons.getResourceId(5, -1), true, "50+"));
    

    // Recycle the typed array
    navMenuIcons.recycle();

    mDrawerList.setOnItemClickListener(new SlideMenuClickListener());

    // setting the nav drawer list adapter
    adapter = new NavDrawerListAdapter(getApplicationContext(),
        navDrawerItems);
    mDrawerList.setAdapter(adapter);

    // enabling action bar app icon and behaving it as toggle button
    getActionBar().setDisplayHomeAsUpEnabled(true);
    getActionBar().setHomeButtonEnabled(true);

    mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
        R.drawable.ic_drawer, //nav menu toggle icon
        R.string.app_name, // nav drawer open - description for accessibility
        R.string.app_name // nav drawer close - description for accessibility
    ) {
      public void onDrawerClosed(View view) {
        getActionBar().setTitle(mTitle);
        // calling onPrepareOptionsMenu() to show action bar icons
        invalidateOptionsMenu();
      }

      public void onDrawerOpened(View drawerView) {
        getActionBar().setTitle(mDrawerTitle);
        // calling onPrepareOptionsMenu() to hide action bar icons
        invalidateOptionsMenu();
      }
    };
    mDrawerLayout.setDrawerListener(mDrawerToggle);

    if (savedInstanceState == null) {
      // on first time display view for first nav item
      displayView(0);
    }
  }

  /**
   * Slide menu item click listener
   * */
  private class SlideMenuClickListener implements
      ListView.OnItemClickListener {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position,
        long id) {
      // display view for selected nav drawer item
      displayView(position);
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // toggle nav drawer on selecting action bar app icon/title
    if (mDrawerToggle.onOptionsItemSelected(item)) {
      return true;
    }
    // Handle action bar actions click
    switch (item.getItemId()) {
    case R.id.action_settings:
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  /* *
   * Called when invalidateOptionsMenu() is triggered
   */
  @Override
  public boolean onPrepareOptionsMenu(Menu menu) {
    // if nav drawer is opened, hide the action items
    boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
    menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
    return super.onPrepareOptionsMenu(menu);
  }

  /**
   * Diplaying fragment view for selected nav drawer list item
   * */
  private void displayView(int position) {
    // update the main content by replacing fragments
    Fragment fragment = null;
    switch (position) {
    case 0:
      fragment = new HomeFragment();
      break;
    case 1:
      fragment = new NotesList(); //FindPeopleFragment
      break;
    case 2:
      fragment = new RecordAudioFragment (); //PhotosFragment
      break;
    case 3:
      fragment = new CommunityFragment();
      break;
    case 4:
      fragment = new PagesFragment();
      break;
    case 5:
      fragment = new WhatsHotFragment();
      break;

    default:
      break;
    }

    if (fragment != null) {
      FragmentManager fragmentManager = getFragmentManager();
      fragmentManager.beginTransaction()
          .replace(R.id.frame_container, fragment).commit();

      // update selected item and title, then close the drawer
      mDrawerList.setItemChecked(position, true);
      mDrawerList.setSelection(position);
      setTitle(navMenuTitles[position]);
      mDrawerLayout.closeDrawer(mDrawerList);
    } else {
      // error in creating fragment
      Log.e("MainActivity", "Error in creating fragment");
    }
  }

  @Override
  public void setTitle(CharSequence title) {
    mTitle = title;
    getActionBar().setTitle(mTitle);
  }

  /**
   * When using the ActionBarDrawerToggle, you must call it during
   * onPostCreate() and onConfigurationChanged()...
   */

  @Override
  protected void onPostCreate(Bundle savedInstanceState) {
    super.onPostCreate(savedInstanceState);
    // Sync the toggle state after onRestoreInstanceState has occurred.
    mDrawerToggle.syncState();
  }

  @Override
  public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);
    // Pass any configuration change to the drawer toggls
    mDrawerToggle.onConfigurationChanged(newConfig);
  }

}
Java Source Code List
