News Feed Android Template

Code Snippet

package com.newsfeeder;

import java.util.ArrayList;

import android.app.ActionBar;
import android.app.ActionBar.OnNavigationListener;
import android.content.Intent;
import android.content.res.Configuration;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.newsfeeder.custom.CustomActivity;
import com.newsfeeder.model.Feed;
import com.newsfeeder.ui.LeftNavAdapter;
import com.newsfeeder.ui.MainFragment;
import com.newsfeeder.ui.RightNavAdapter;

// TODO: Auto-generated Javadoc
/**
 * The Class MainActivity.
 */
public class MainActivity extends CustomActivity
{

	/** The drawer layout. */
	private DrawerLayout drawerLayout;

	/** ListView for left side drawer. */
	private ListView drawerLeft;

	/** ListView for left side drawer. */
	private ListView drawerRight;

	/** The drawer toggle. */
	private ActionBarDrawerToggle drawerToggle;

	/* (non-Javadoc)
	 * @see com.newsfeeder.custom.CustomActivity#onCreate(android.os.Bundle)
	 */
	@Override
	protected void onCreate(Bundle savedInstanceState)
	{
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		setActionBarListNavigation();
		setupDrawer();
		setupContainer();
	}

	/**
	 * Sets the action bar drop down list navigation.
	 */
	private void setActionBarListNavigation()
	{
		String items[] = getResources().getStringArray(
				R.array.arr_action_bar_list);

		final ActionBar actionBar = getActionBar();
		actionBar.setDisplayShowTitleEnabled(false);
		actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);

		ArrayAdapter<String> adapter = new ArrayAdapter<String>(
				actionBar.getThemedContext(),
				android.R.layout.simple_spinner_item, android.R.id.text1, items);

		adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

		actionBar.setListNavigationCallbacks(adapter,
				new OnNavigationListener() {

					@Override
					public boolean onNavigationItemSelected(int itemPosition,
							long itemId)
					{
						return false;
					}
				});
	}

	/**
	 * Setup the drawer layout. This method also includes the method calls for
	 * setting up the Left & Right side drawers.
	 */
	private void setupDrawer()
	{
		drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
		drawerLayout.setDrawerShadow(R.drawable.drawer_shadow,
				GravityCompat.START);
		drawerToggle = new ActionBarDrawerToggle(this, drawerLayout,
				R.drawable.ic_drawer, R.string.drawer_open,
				R.string.drawer_close) {
			public void onDrawerClosed(View view)
			{
				invalidateOptionsMenu();
			}

			public void onDrawerOpened(View drawerView)
			{
				invalidateOptionsMenu();
			}
		};
		drawerLayout.setDrawerListener(drawerToggle);
		drawerLayout.closeDrawers();

		setupLeftNavDrawer();
		setupRightNavDrawer();
	}

	/**
	 * Setup the left navigation drawer/slider. You can add your logic to load
	 * the contents to be displayed on the left side drawer. It will also setup
	 * the Header and Footer contents of left drawer.
	 * This method also apply the Theme for components of Left drawer.
	 */
	private void setupLeftNavDrawer()
	{
		drawerLeft = (ListView) findViewById(R.id.left_drawer);

		View header = getLayoutInflater().inflate(R.layout.left_nav_header,
				null);
		View footer = getLayoutInflater().inflate(R.layout.left_nav_footer,
				null);

		drawerLeft.addHeaderView(header);
		drawerLeft.addFooterView(footer);

		drawerLeft.setAdapter(new LeftNavAdapter(this, getResources()
				.getStringArray(R.array.arr_left_nav_list)));
		drawerLeft.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
					long arg3)
			{
				drawerLayout.closeDrawers();
			}
		});

		OnClickListener leftListener = new OnClickListener() {

			@Override
			public void onClick(View v)
			{
				if (v.getId() == R.id.btnAdd)
				{
					startActivity(new Intent(MainActivity.this, AddFeed.class));
					return;
				}
				
				if (v.getId() == R.id.btn)
				{
					startActivity(new Intent(MainActivity.this, Setting.class));
					return;
				}
				
				int th;
				if (v.getId() == R.id.themeBlack)
					th = THEME_BLACK;
				else if (v.getId() == R.id.themeBlue)
					th = THEME_BLUE;
				else if (v.getId() == R.id.themeGreen)
					th = THEME_GREEN;
				else
					th = THEME_RED;
				if (th == theme)
					return;
				saveAppTheme(th);
				startActivity(getIntent().setFlags(
						Intent.FLAG_ACTIVITY_CLEAR_TOP));
			}
		};
		footer.findViewById(R.id.themeBlack).setOnClickListener(leftListener);
		footer.findViewById(R.id.themeBlue).setOnClickListener(leftListener);
		footer.findViewById(R.id.themeGreen).setOnClickListener(leftListener);
		footer.findViewById(R.id.themeRed).setOnClickListener(leftListener);
		View themeCur;
		if (theme == THEME_BLACK)
		{
			themeCur = footer.findViewById(R.id.themeBlack);
			footer.findViewById(R.id.footer).setBackgroundResource(R.drawable.bottom_left_bg_black);
		}
		else if (theme == THEME_BLUE)
		{
			themeCur = footer.findViewById(R.id.themeBlue);
			footer.findViewById(R.id.footer).setBackgroundResource(R.drawable.bottom_left_bg_blue);
		}
		else if (theme == THEME_GREEN)
		{
			themeCur = footer.findViewById(R.id.themeGreen);
			footer.findViewById(R.id.footer).setBackgroundResource(R.drawable.bottom_left_bg_green);
		}
		else
		{
			themeCur = footer.findViewById(R.id.themeRed);
			footer.findViewById(R.id.footer).setBackgroundResource(R.drawable.bottom_left_bg_red);
		}
		themeCur.findViewById(R.id.selected).setVisibility(View.VISIBLE);
		
		View v=header.findViewById(R.id.btnAdd);
		v.setOnTouchListener(TOUCH);
		v.setOnClickListener(leftListener);
		applyBgTheme(v);
		
		v=header.findViewById(R.id.btn);
		v.setOnTouchListener(TOUCH);
		v.setOnClickListener(leftListener);
		
		applyBgTheme(footer.findViewById(R.id.lbl));
		
	}

	/**
	 * Setup the right navigation drawer/slider. You can add your logic to load
	 * the contents to be displayed on the right side drawer. It will also setup
	 * the Header contents of right drawer.
	 */
	private void setupRightNavDrawer()
	{
		drawerRight = (ListView) findViewById(R.id.right_drawer);

		View header = getLayoutInflater().inflate(R.layout.rigth_nav_header,
				null);
		drawerRight.addHeaderView(header);
		
		View v=header.findViewById(R.id.btnFb);
		v.setOnTouchListener(TOUCH);
		v=header.findViewById(R.id.btnTw);
		v.setOnTouchListener(TOUCH);

		ArrayList<Feed> al=new ArrayList<Feed>();
		al.add(new Feed("Kristen Wilkinson", "London", R.drawable.img_f1));
		al.add(new Feed("Phil McKlain", "New York", R.drawable.img_f2));
		al.add(new Feed("Shandra Sven", "Chicago", R.drawable.img_f3));
		al.add(new Feed("Mark Johson", "Los Angeles", R.drawable.img_f4));
		
		drawerRight.setAdapter(new RightNavAdapter(this,al));
	}
	
	
	/**
	 * Setup the container fragment for drawer layout.
	 * This method will setup the grid view display of main contents.
	 * You can customize this method as per your need to display specific content.
	 */
	private void setupContainer()
	{
		getFragmentManager().beginTransaction().replace(R.id.content_frame, new MainFragment()).commit();
	}

	/* (non-Javadoc)
	 * @see android.app.Activity#onPostCreate(android.os.Bundle)
	 */
	@Override
	protected void onPostCreate(Bundle savedInstanceState)
	{
		super.onPostCreate(savedInstanceState);
		// Sync the toggle state after onRestoreInstanceState has occurred.
		drawerToggle.syncState();
	}

	/* (non-Javadoc)
	 * @see android.app.Activity#onConfigurationChanged(android.content.res.Configuration)
	 */
	@Override
	public void onConfigurationChanged(Configuration newConfig)
	{
		super.onConfigurationChanged(newConfig);
		// Pass any configuration change to the drawer toggle
		drawerToggle.onConfigurationChanged(newConfig);
	}

	/* (non-Javadoc)
	 * @see com.newsfeeder.custom.CustomActivity#onCreateOptionsMenu(android.view.Menu)
	 */
	@Override
	public boolean onCreateOptionsMenu(Menu menu)
	{
		super.onCreateOptionsMenu(menu);
		menu.findItem(R.id.menu_refresh).setVisible(true);
		return true;
	}

	/* Called whenever we call invalidateOptionsMenu() */
	/* (non-Javadoc)
	 * @see android.app.Activity#onPrepareOptionsMenu(android.view.Menu)
	 */
	@Override
	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);
	}

	/* (non-Javadoc)
	 * @see com.newsfeeder.custom.CustomActivity#onOptionsItemSelected(android.view.MenuItem)
	 */
	@Override
	public boolean onOptionsItemSelected(MenuItem item)
	{
		if (drawerToggle.onOptionsItemSelected(item))
		{
			drawerLayout.closeDrawer(drawerRight);
			return true;
		}
		
		return super.onOptionsItemSelected(item);
	}
}