MainFragmentActivity.java

package com.fernandomantoan.ramaispti.android.activity;


import android.content.res.Configuration;
import android.os.Bundle;
import android.os.PersistableBundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.fernandomantoan.ramaispti.android.R;
import com.fernandomantoan.ramaispti.android.fragment.SearchFragment;
import com.fernandomantoan.ramaispti.android.fragment.UsefulSearchFragment;


/**
 * 
 * Main Activity, handles drawer action
 * @author inovatic
 *
 */
public class MainFragmentActivity extends AppCompatActivity {

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


	private CharSequence mDrawerTitle;
	private CharSequence mTitle;
	private String[] mServiceTitles;
	public int selectedPosition = 0;

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

		mTitle = mDrawerTitle = getTitle();
		mServiceTitles = getResources().getStringArray(R.array.services_array);
		mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
		mDrawerList = (ListView) findViewById(R.id.left_drawer);

        mDrawerList.setChoiceMode(ListView.CHOICE_MODE_SINGLE);

		//configurações da lista lateral

		// 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
		mDrawerList.setAdapter(new ArrayAdapter<String>(this,
				R.layout.drawer_list_item, mServiceTitles));
		mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

		// enable ActionBar app icon to behave as action to toggle nav drawer

		actionBar = getSupportActionBar();
		actionBar.setDisplayHomeAsUpEnabled(true);


		// 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.string.drawer_open,  /* "open drawer" description for accessibility */
				R.string.drawer_close  /* "close drawer" description for accessibility */
				) {
			public void onDrawerClosed(View view) {
				actionBar.setTitle(mTitle);         	
				supportInvalidateOptionsMenu();
			}

			public void onDrawerOpened(View drawerView) {
				actionBar.setTitle(mDrawerTitle);
				supportInvalidateOptionsMenu();

			}
		};
		mDrawerLayout.setDrawerListener(mDrawerToggle);

		if (savedInstanceState == null) {
			selectItem(0);
		}else{
			this.selectedPosition = savedInstanceState.getInt("select");

		}
	}

	@Override
	public void onPostCreate(Bundle savedInstanceState, PersistableBundle persistentState) {
		super.onPostCreate(savedInstanceState, persistentState);
		mDrawerToggle.syncState();
	}

	@Override
	protected void onSaveInstanceState(Bundle outState) {
		// TODO Auto-generated method stubs
		super.onSaveInstanceState(outState);
		outState.putInt("select", this.selectedPosition);
	}

	@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;
		}
		return super.onOptionsItemSelected(item);

	}


	@Override
	public void onBackPressed() {

		if (selectedPosition != 0) {
			selectItem(0);
		} else {
			super.onBackPressed();
		}
	}	

	/* The click listner for ListView in the navigation drawer */
	private class DrawerItemClickListener implements ListView.OnItemClickListener {

		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

		if(mServiceTitles[position].equals("Ramais")){

			FragmentTransaction ft = getSupportFragmentManager().beginTransaction();

			ft.replace(R.id.content_frame, new SearchFragment()).commit();

			mDrawerList.setItemChecked(position, true);
			setTitle(mServiceTitles[position]);
			mDrawerLayout.closeDrawer(mDrawerList);

		} else {
			Fragment fragment = new UsefulSearchFragment();
			Bundle args = new Bundle();
			args.putString("op", mServiceTitles[position]);
			fragment.setArguments(args);

			FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
			ft.replace(R.id.content_frame, fragment).commit();

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

		selectedPosition = position;
	}


	//update ActionBar title
	@Override
	public void setTitle(CharSequence title) {
		mTitle = title;
		actionBar.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);
	}

}