package de.menzerath.tutorial.navdrawer;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class MenuListAdapter extends BaseAdapter {
	private Context context;
	private String[] mTitle;
	private String[] mSubTitle;
	private int[] mIcon;
	private LayoutInflater inflater;

	public MenuListAdapter(Context pContext, String[] pTitle, String[] pSubtitle, int[] pIcon) {
		context = pContext;
		mTitle = pTitle;
		mSubTitle = pSubtitle;
		mIcon = pIcon;
	}

	public View getView(int position, View convertView, ViewGroup parent) {
		inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		View itemView = inflater.inflate(R.layout.drawer_list_item, parent, false);

		TextView txtTitle = (TextView) itemView.findViewById(R.id.title);
		TextView txtSubTitle = (TextView) itemView.findViewById(R.id.subtitle);
		ImageView imgIcon = (ImageView) itemView.findViewById(R.id.icon);

		txtTitle.setText(mTitle[position]);
		txtSubTitle.setText(mSubTitle[position]);
		imgIcon.setImageResource(mIcon[position]);

		return itemView;
	}

	@Override
	public int getCount() {
		return mTitle.length;
	}

	@Override
	public Object getItem(int position) {
		return mTitle[position];
	}

	@Override
	public long getItemId(int position) {
		return position;
	}
}

package de.menzerath.tutorial.navdrawer;

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.View;
import android.widget.AdapterView;
import android.widget.ListView;
import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;

public class MainActivity extends SherlockActivity {
	private DrawerLayout mDrawerLayout;
	private ListView mDrawerList;
	private ActionBarDrawerToggle mDrawerToggle;
	private CharSequence mTitle;

	private String[] drawerTitles;
	private String[] drawerSubtitles;
	private int[] drawerIcons;

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

		mTitle = getTitle();

		mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
		mDrawerList = (ListView) findViewById(R.id.left_drawer);
		mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);

		// Hole die Titel aus einem Array aus der strings.xml
		drawerTitles = getResources().getStringArray(R.array.drawerTitles_array);
		// Hole die Untertitel aus einem Array aus der strings.xml
		drawerSubtitles = getResources().getStringArray(R.array.drawerSubtitles_array);
		// Setzt die Icons zu den Einträgen
		drawerIcons = new int[] {android.R.drawable.ic_menu_info_details, android.R.drawable.ic_menu_edit, android.R.drawable.ic_menu_delete};

		// Erstellt den neuen MenuAdapter aus der Klasse MenuListAdapter
		MenuListAdapter mMenuAdapter = new MenuListAdapter(this, drawerTitles, drawerSubtitles, drawerIcons);
		mDrawerList.setAdapter(mMenuAdapter);
		mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

		// Bereitet die ActionBar auf den Navigation Drawer vor
		getSupportActionBar().setDisplayHomeAsUpEnabled(true);
		getSupportActionBar().setHomeButtonEnabled(true);

		// Fügt den Navigation Drawer zur ActionBar hinzu
		mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.drawable.ic_drawer, R.string.drawer_open, R.string.drawer_close) {
			public void onDrawerClosed(View view) {
				getSupportActionBar().setTitle(mTitle);
				supportInvalidateOptionsMenu();
			}

			public void onDrawerOpened(View drawerView) {
				getSupportActionBar().setTitle(R.string.app_name);
				supportInvalidateOptionsMenu();
			}
		};
		mDrawerLayout.setDrawerListener(mDrawerToggle);
	}

	// Fügt das Menü hinzu / ActionBar Einträge
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		MenuInflater inflater = getSupportMenuInflater();
		inflater.inflate(R.menu.main, menu);
		return super.onCreateOptionsMenu(menu);
	}

	// Versteckt die ActionBar-Einträge, sobald der Drawer ausgefahren is
	@Override
	public boolean onPrepareOptionsMenu(Menu menu) {
		boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
		menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
		return super.onPrepareOptionsMenu(menu);
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// Öffnet und schließt den Navigation Drawer bei Klick auf den Titel/das Icon in der ActionBar
		if (item.getItemId() == android.R.id.home) {
			if (mDrawerLayout.isDrawerOpen(mDrawerList)) {
				mDrawerLayout.closeDrawer(mDrawerList);
			} else {
				mDrawerLayout.openDrawer(mDrawerList);
			}
		}

		// Gibt den ActionBar-Buttons Funktionen
		switch (item.getItemId()) {
			case R.id.action_settings:
				// Tu' etwas!
				return true;
			default:
				return super.onOptionsItemSelected(item);
		}
	}

	// Listener für die Navigation Drawer Einträge - Achtung: Zählung beginnt bei 0!
	private class DrawerItemClickListener implements ListView.OnItemClickListener {
		@Override
		public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
			if (position == 0) {
				// Aktion
			} else if (position == 1) {
				// Aktion
			} else if (position == 2) {
				// Aktion
			}

			mDrawerList.setItemChecked(position, true);
			mTitle = drawerTitles[position];
			getSupportActionBar().setTitle(mTitle);
			mDrawerLayout.closeDrawer(mDrawerList);
		}
	}

	@Override
	protected void onPostCreate(Bundle savedInstanceState) {
		super.onPostCreate(savedInstanceState);
		mDrawerToggle.syncState();
	}

	@Override
	public void onConfigurationChanged(Configuration newConfig) {
		super.onConfigurationChanged(newConfig);
		mDrawerToggle.onConfigurationChanged(newConfig);
	}
}