Android Open Source - ManipalNow-Android Main Activity

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License

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

/*
 * Copyright 2013 The Android Open Source Project
 */*from   w  w w . j av  a2 s .co  m*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.nav;

import java.util.ArrayList;
import java.util.Locale;

import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.SearchManager;
import android.content.Intent;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.speech.RecognizerIntent;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.Toast;

/**
 * This example illustrates a common usage of the DrawerLayout widget
 * in the Android support library.
 * <p/>
 * <p>When a navigation (left) drawer is present, the host activity should detect presses of
 * the action bar's Up affordance as a signal to open and close the navigation drawer. The
 * ActionBarDrawerToggle facilitates this behavior.
 * Items within the drawer should fall into one of two categories:</p>
 * <p/>
 * <ul>
 * <li><strong>View switches</strong>. A view switch follows the same basic policies as
 * list or tab navigation in that a view switch does not create navigation history.
 * This pattern should only be used at the root activity of a task, leaving some form
 * of Up navigation active for activities further down the navigation hierarchy.</li>
 * <li><strong>Selective Up</strong>. The drawer allows the user to choose an alternate
 * parent for Up navigation. This allows a user to jump across an app's navigation
 * hierarchy at will. The application should treat this as it treats Up navigation from
 * a different task, replacing the current task stack using TaskStackBuilder or similar.
 * This is the only form of navigation drawer that should be used outside of the root
 * activity of a task.</li>
 * </ul>
 * <p/>
 * <p>Right side drawers should be used for actions, not navigation. This follows the pattern
 * established by the Action Bar that navigation should be to the left and actions to the right.
 * An action should be an operation performed on the current contents of the window,
 * for example enabling or disabling a data overlay on top of the current content.</p>
 */
public class MainActivity extends Activity {
    private DrawerLayout mDrawerLayout;
    private ListView mDrawerList;
    private ActionBarDrawerToggle mDrawerToggle;

    private CharSequence mDrawerTitle;
    private CharSequence mTitle;
    private String[] mPlanetTitles;
    static final int check=1111;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        mTitle = mDrawerTitle = getTitle();
        mPlanetTitles = getResources().getStringArray(R.array.planets_array);
        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerList = (ListView) findViewById(R.id.left_drawer);
        //mDrawerList.setSelected(true);
        //mDrawerList.setSelection(0);
        mDrawerList.setSelector(R.drawable.abc_item_background_holo_dark);
        mDrawerList.setItemChecked(2, true);
        //ActionBar ab=getActionBar();
        //Resources r=getResources();
    //Drawable d=r.getDrawable(R.color.playpurple);
    //ab.setBackgroundDrawable(d);
    
    //ab.setIcon(R.drawable.restaurant);
        // set a custom shadow that overlays the main content when the drawer opens
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
        // set up the drawer's list view with items and click listener
        Level data[]=new Level[]
        {
         new Level("Restaurants",R.drawable.restaurantbw),
         new Level("Cafes",R.drawable.cafebw),
         new Level("Bars",R.drawable.barbw),
         new Level("Hospitals",R.drawable.hospitalbw),
         new Level("Airports",R.drawable.airportbw),
         new Level("Cab Services",R.drawable.cabbw),
         new Level("Hotels",R.drawable.hotelsbw)
        };
    
        LevelAdapter la=new LevelAdapter(this, R.layout.drawer_list_item_2, data);
        mDrawerList.setAdapter(la);
        mDrawerList.setChoiceMode(1);
        mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

        // enable ActionBar app icon to behave as action to toggle nav drawer
        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);
        //ActionBar ab=getActionBar();
    //ab.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        // ActionBarDrawerToggle ties together the the proper interactions
        // between the sliding drawer and the action bar app icon
        mDrawerToggle = new ActionBarDrawerToggle(
                this,                  /* host Activity */
                mDrawerLayout,         /* DrawerLayout object */
                R.drawable.navh,  /* nav drawer image to replace 'Up' caret */
                R.string.drawer_open,  /* "open drawer" description for accessibility */
                R.string.drawer_close  /* "close drawer" description for accessibility */
                ) {
            public void onDrawerClosed(View view) {
                getActionBar().setTitle(mTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }

            public void onDrawerOpened(View drawerView) {
                getActionBar().setTitle(mDrawerTitle);
                invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
            }
        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);

        if (savedInstanceState == null) {
            selectItem(0);
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.main, menu);
        return super.onCreateOptionsMenu(menu);
    }

    /* Called whenever we call invalidateOptionsMenu() */
    public boolean onPrepareOptionsMenu(Menu menu) {
        // If the nav drawer is open, hide action items related to the content view
        boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
      //  menu.findItem(R.id.action_websearch).setVisible(!drawerOpen);
        return super.onPrepareOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
         // The action bar home/up action should open or close the drawer.
         // ActionBarDrawerToggle will take care of this.
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }
        // Handle action buttons
        switch(item.getItemId()) {
        case R.id.action_voice:
            // create intent to perform web search for this planet
        {   Intent i=new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
      i.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
      i.putExtra(RecognizerIntent.EXTRA_PROMPT, "What would you like to do?");
      startActivityForResult(i, check);
      break;
        }
        case R.id.action_settings:
          {
            Intent i2=new Intent(MainActivity.this,Settings3.class);
          startActivity(i2);
          }
    default:
            return super.onOptionsItemSelected(item);
        }
    return false;
    }
    protected void onActivityResult(int request,int result,Intent data)
  {
    if(request==check&&result==RESULT_OK)
    {
      ArrayList<String>matches=data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
      for(String match:matches)
      {
      String a=matches.get(0);
      if("i am hungry".equalsIgnoreCase(a)||"i'm hungry".equalsIgnoreCase(a))
      {
        Intent i=new Intent(MainActivity.this,Food.class);
        startActivity(i);
        overridePendingTransition(R.anim.push_down_in,R.anim.push_down_out);

        //Toast.makeText(getBaseContext(), "open list of restaurants", Toast.LENGTH_SHORT).show();
      }
      else if("i would like a cup of coffee".equalsIgnoreCase(a))
      {
        Intent i=new Intent(MainActivity.this,Coffee.class);
        startActivity(i);
        overridePendingTransition(R.anim.push_down_in,R.anim.push_down_out);

        //Toast.makeText(getBaseContext(), "open list of restaurants", Toast.LENGTH_SHORT).show();
      }
      
      
      else
      {
      
        //res=data.getStringExtra(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
      Toast.makeText(getBaseContext(), "something else", Toast.LENGTH_SHORT).show();
      }
    }
  }
  }


    /* The click listner for ListView in the navigation drawer */
    private class DrawerItemClickListener implements ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            selectItem(position);
        }
    }

    private void selectItem(int position) {
        // update the main content by replacing fragments
        //Fragment fragment = new PlanetFragment();
        //Bundle args = new Bundle();
        //args.putInt(PlanetFragment.ARG_PLANET_NUMBER, position);
        //fragment.setArguments(args);

        if(position==0)
        {
        Fragment frag1=new Restaurants();  
      FragmentManager fragmentManager = getFragmentManager();
        fragmentManager.beginTransaction().replace(R.id.content_frame, frag1).commit();

        // update selected item and title, then close the drawer
        mDrawerList.setItemChecked(position, true);
        setTitle(mPlanetTitles[position]);
        mDrawerLayout.closeDrawer(mDrawerList);
        }
        else if(position==1)
        {
          Fragment frag2=new Cafes();
          FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.content_frame, frag2).commit();

            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            setTitle(mPlanetTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);

        }
        else if(position==2)
        {
          Fragment frag3=new Bars();
          FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.content_frame, frag3).commit();

            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            setTitle(mPlanetTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);

        }
        else if(position==3)
        {
          Fragment frag4=new Hospitals();
          FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.content_frame, frag4).commit();

            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            setTitle(mPlanetTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);

        }
        else if(position==4)
        {
          Fragment frag5=new ShowCity5();
          FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.content_frame, frag5).commit();

            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            setTitle(mPlanetTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);

        }
        else if(position==5)
        {
          Fragment frag6=new ShowCity6();
          FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.content_frame, frag6).commit();

            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            setTitle(mPlanetTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);

        }
        else if(position==6)
        {
          Fragment frag7=new ShowCity7();
          FragmentManager fragmentManager = getFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.content_frame, frag7).commit();

            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            setTitle(mPlanetTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);

        }
        
    }

    @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);
    }

    /**
     * Fragment that appears in the "content_frame", shows a planet
     */
    public static class PlanetFragment extends Fragment {
        public static final String ARG_PLANET_NUMBER = "planet_number";

        public PlanetFragment() {
            // Empty constructor required for fragment subclasses
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.fragment_planet, container, false);
            int i = getArguments().getInt(ARG_PLANET_NUMBER);
            String planet = getResources().getStringArray(R.array.planets_array)[i];

            int imageId = getResources().getIdentifier(planet.toLowerCase(Locale.getDefault()),
                            "drawable", getActivity().getPackageName());
            ((ImageView) rootView.findViewById(R.id.image)).setImageResource(imageId);
            getActivity().setTitle(planet);
            return rootView;
        }
    }
}
Java Source Code List
