Android Open Source - NavigationDrawer Menu Drawer List Adapter

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2014 Mukesh Y authors//  w w w . j  a  va 2 s  .  c  o  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.android.Adapter;

import java.util.ArrayList;
import java.util.Arrays;

import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.android.navigationdrawer.R;

public class MenuDrawerListAdapter extends ArrayAdapter<String>{

  private final Activity context;
  private final ArrayList<String> menuDrawerItemNameArray;
  private final ArrayList<Integer> menuItemsIconIds;
  
  public MenuDrawerListAdapter(Activity context, String[] mItemTitles, Integer[] menuItemsIconIds) {
    super(context,R.layout.list_item_menu_drawer, mItemTitles);
    this.context=context;
    
     
    this.menuDrawerItemNameArray=new ArrayList<String>(Arrays.asList(mItemTitles));
    this.menuItemsIconIds=new ArrayList<Integer>(Arrays.asList(menuItemsIconIds));
    
    
  }

  static class ViewHolder {
    public ImageView drawerMenuItemIcon;
    public TextView  drawerMenuItemName;
  }
  
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    View rowView = convertView;
    ViewHolder viewHolder = new ViewHolder();  // to reference the child views for later actions
    if (null == rowView) {
      LayoutInflater inflater = (LayoutInflater) this.context
          .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      rowView = inflater.inflate(R.layout.list_item_menu_drawer, null);
      viewHolder.drawerMenuItemIcon=(ImageView)rowView.findViewById(R.id.menu_item_icon);
      viewHolder.drawerMenuItemName = (TextView) rowView.findViewById(R.id.menu_item_name);
      float  d=context.getResources().getDisplayMetrics().density;
      if(d==2.0 || d==3.0){
        viewHolder.drawerMenuItemName.getLayoutParams().height=70;
        viewHolder.drawerMenuItemIcon.getLayoutParams().width=70;
      }
      rowView.setTag(viewHolder);
    }
    else {
      // view already exists, get the holder instance from the view
      viewHolder = (ViewHolder) rowView.getTag();
    }
    viewHolder.drawerMenuItemIcon.setImageResource(menuItemsIconIds.get(position));
    viewHolder.drawerMenuItemName.setText(menuDrawerItemNameArray.get(position));
    
    return rowView;
  }
  
  @Override
  public int getCount() {
    return menuDrawerItemNameArray.size();
  }

  @Override
  public String getItem(int position) {
    return menuDrawerItemNameArray.get(position);
  }
}

Java Source Code List