Android Open Source - Kodesearch Fragment Navigation Drawer

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.kodesearch.external;
/*from  w w  w.j  ava 2s. c  o  m*/
import android.content.Context;
import java.util.ArrayList;

import com.kodesearch.R;



import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.ActionBar;
import android.content.Context;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.util.AttributeSet;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@SuppressLint("NewApi")
public class FragmentNavigationDrawer extends DrawerLayout {

  private ActionBarDrawerToggle drawerToggle;
  private ListView lvDrawer;
  private ArrayAdapter<String> drawerAdapter;
  private ArrayList<FragmentNavItem> drawerNavItems;
  private int drawerContainerRes;

  public FragmentNavigationDrawer(Context context, AttributeSet attrs,
      int defStyle) {
    super(context, attrs, defStyle);
  }

  public FragmentNavigationDrawer(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  public FragmentNavigationDrawer(Context context) {
    super(context);
  }

  // setupDrawerConfiguration((ListView) findViewById(R.id.lvDrawer),
  // R.layout.drawer_list_item, R.id.flContent);
  @SuppressLint("NewApi")
  public void setupDrawerConfiguration(ListView drawerListView,
      int drawerItemRes, int drawerContainerRes) {
    // Setup navigation items array
    drawerNavItems = new ArrayList<FragmentNavigationDrawer.FragmentNavItem>();
    // Set the adapter for the list view
    drawerAdapter = new ArrayAdapter<String>(getActivity(), drawerItemRes,
        new ArrayList<String>());
    this.drawerContainerRes = drawerContainerRes;
    // Setup drawer list view and related adapter
    lvDrawer = drawerListView;
    lvDrawer.setAdapter(drawerAdapter);
    // Setup item listener
    lvDrawer.setOnItemClickListener(new FragmentDrawerItemListener());
    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    drawerToggle = setupDrawerToggle();
    setDrawerListener(drawerToggle);
    // set a custom shadow that overlays the main content when the drawer
    setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
    // Setup action buttons
    getActionBar().setDisplayHomeAsUpEnabled(true);
    getActionBar().setHomeButtonEnabled(true);
  }

  // addNavItem("First", "First Fragment", FirstFragment.class)
  public void addNavItem(String navTitle, String windowTitle,
      Class<? extends Fragment> fragmentClass) {
    drawerAdapter.add(navTitle);
    drawerNavItems.add(new FragmentNavItem(windowTitle, fragmentClass));
  }

  /** Swaps fragments in the main content view */
  public void selectDrawerItem(int position) {
    // Create a new fragment and specify the planet to show based on
    // position
    FragmentNavItem navItem = drawerNavItems.get(position);
    Fragment fragment = null;
    try {
      fragment = navItem.getFragmentClass().newInstance();
      Bundle args = navItem.getFragmentArgs();
      if (args != null) {
        fragment.setArguments(args);
      }
    } catch (Exception e) {
      e.printStackTrace();
    }

    // Insert the fragment by replacing any existing fragment
    FragmentManager fragmentManager = getActivity()
        .getSupportFragmentManager();
    fragmentManager.beginTransaction()
        .replace(drawerContainerRes, fragment).commit();

    // Highlight the selected item, update the title, and close the drawer
    lvDrawer.setItemChecked(position, true);
    setTitle(navItem.getTitle());
    closeDrawer(lvDrawer);
  }

  public ActionBarDrawerToggle getDrawerToggle() {
    return drawerToggle;
  }

  private FragmentActivity getActivity() {
    return (FragmentActivity) getContext();
  }

  private ActionBar getActionBar() {
    return getActivity().getActionBar();
  }

  private void setTitle(CharSequence title) {
    getActionBar().setTitle(title);
  }

  private class FragmentDrawerItemListener implements
      ListView.OnItemClickListener {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position,
        long id) {
      selectDrawerItem(position);
    }
  }

  private class FragmentNavItem {
    private Class<? extends Fragment> fragmentClass;
    private String title;
    private Bundle fragmentArgs;

    public FragmentNavItem(String title,
        Class<? extends Fragment> fragmentClass) {
      this(title, fragmentClass, null);
    }

    public FragmentNavItem(String title,
        Class<? extends Fragment> fragmentClass, Bundle args) {
      this.fragmentClass = fragmentClass;
      this.fragmentArgs = args;
      this.title = title;
    }

    public Class<? extends Fragment> getFragmentClass() {
      return fragmentClass;
    }

    public String getTitle() {
      return title;
    }

    public Bundle getFragmentArgs() {
      return fragmentArgs;
    }
  }

  private ActionBarDrawerToggle setupDrawerToggle() {
    return new ActionBarDrawerToggle(getActivity(), /* host Activity */
    this, /* DrawerLayout object */
    R.drawable.ic_drawer, /* 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) {
        // setTitle(getCurrentTitle());
        getActivity().invalidateOptionsMenu(); // call
                            // onPrepareOptionsMenu()
      }

      @SuppressLint("NewApi")
      public void onDrawerOpened(View drawerView) {
        // setTitle("Navigate");
        getActivity().invalidateOptionsMenu(); // call
                            // onPrepareOptionsMenu()
      }
    };
  }

  public boolean isDrawerOpen() {
    return isDrawerOpen(lvDrawer);
  }

}

Java Source Code List

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