Android Open Source - welcome-android Main Activity

From Project

License

The source code is released under:
Copyright (c) 2014 FeedHenry Ltd, All Rights Reserved Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software")...
If you think the Android project welcome-android listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.feedhenry.android;
/*from   ww  w .j a  va 2s .c o m*/
import java.util.ArrayList;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.res.Configuration;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
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;

import com.feedhenry.android.drawer.adapter.NavDrawerListAdapter;
import com.feedhenry.android.drawer.model.NavDrawerItem;
import com.feedhenry.android.fragments.CallCloudFragment;
import com.feedhenry.android.fragments.CloudIntegrationsFragment;
import com.feedhenry.android.fragments.DataBrowserFragment;
import com.feedhenry.android.fragments.HomeFragment;
import com.feedhenry.android.fragments.LocationFragment;
import com.feedhenry.android.fragments.NativeAppInfoFragment;
import com.feedhenry.android.fragments.PushNotificationsFragment;
import com.feedhenry.android.fragments.StatsFragment;

public class MainActivity extends Activity implements
    HomeFragment.OnOptionSelectedListener {

  private DrawerLayout mDrawerLayout;
  private ListView mDrawerList;
  private ActionBarDrawerToggle mDrawerToggle;

  // nav drawer title
  private CharSequence mDrawerTitle;

  // used to store app title
  private CharSequence mTitle;

  // drawer menu items
  private String[] navMenuTitles;

  private ArrayList<NavDrawerItem> navDrawerItems;
  private NavDrawerListAdapter adapter;
  
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    setUpDrawer();
    if (savedInstanceState == null) {
      
      // on first time display view for first nav item
      displayView(0);
      
      // Initialize the connection to FeedHenry cloud
      InitApp task = new InitApp();
      task.execute(this);
    }
  }

  private class InitApp extends AsyncTask<Activity, Void, Void> {

    @Override
    protected Void doInBackground(Activity... params) {
      try {
        MyApplication.initApp(params[0]);
      } catch (Exception e) {
        e.printStackTrace();
      }
      return null;
    }
  }

  @SuppressLint("NewApi")
  private void setUpDrawer() {
    mTitle = mDrawerTitle = getTitle();

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

    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]));
    // Call Cloud
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[1]));
    // Push notifications (with a counter example)
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], true, "22"));
    // Location 
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[3]));
    // Data Browser
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[4]));
    // App Info
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[5]));
    // Cloud Integrations
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[6]));
    // Stats
    navDrawerItems.add(new NavDrawerItem(navMenuTitles[7]));
    
    mDrawerList.setOnItemClickListener(new DrawerClickListener());

    // setting the nav drawer list adapter
    adapter = new NavDrawerListAdapter(getApplicationContext(),
        navDrawerItems, "fonts/fontawesome-webfont.ttf");
    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);
  }

  /**
   * Drawer item click listener
   * */
  private class DrawerClickListener 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);
  }

  /**
   * Displaying 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 CallCloudFragment();
      break;
    case 2:
      fragment = new PushNotificationsFragment();
      break;
    case 3:
      fragment = new LocationFragment();
      break;
    case 4:
      fragment = new DataBrowserFragment();
      break;
    case 5:
      fragment = new NativeAppInfoFragment();
      break;
    case 6:
      fragment = new CloudIntegrationsFragment();
      break;
    case 7:
      fragment = new StatsFragment();
      break;
    default:
      break;
    }

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

  // Implementation of HomeFragment button listener
  @Override
  public void onOptionSelected(int selection) {

    Fragment fragment = null;
    switch (selection) {
    case 0:
      fragment = new CallCloudFragment();
      break;
    case 1:
      fragment = new PushNotificationsFragment();
      break;
    case 2:
      fragment = new LocationFragment();
      break;
    case 3:
      fragment = new DataBrowserFragment();
    break;

    default:
      break;
    }

    if (fragment != null) {
      FragmentManager fragmentManager = getFragmentManager();
      fragmentManager.beginTransaction()
          .replace(R.id.frame_container, fragment)
          .addToBackStack(null).commit();
      mDrawerList.setItemChecked(selection, true);
      mDrawerList.setSelection(selection);
    } else {
      // error in creating fragment
      Log.e("MainActivity", "Error in creating fragment");
    }
  }
}
Java Source Code List
