Android Open Source - android_app Grid View Custom Adapter

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License

The source code is released under:

Apache License

Java Source Code

package TabAdapterPackage;
/*/*from ww  w . j av a2  s  .  c o  m*/
~ *******************************************************************************
~   Copyright (c) 2013-2014 Daniel Lin, Kamal Chaya, Sean Penney, and Daniel Chuang 
~   
~   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.
~  *****************************************************************************
*/

import java.util.ArrayList;

import com.example.t_danbubbletea.R;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;

import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.Bitmap;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

public class GridViewCustomAdapter extends BaseAdapter {
  private Activity activity;
  private ArrayList<String> urlList;
  private ArrayList<String> teaNameList;
  private Context context;
  
  @SuppressWarnings("unused")
  private static LayoutInflater inflater=null;
  
  public ImageLoader imageLoader;
  private ImageLoaderConfiguration config;
  private DisplayImageOptions options;
  
  //constructor
  public GridViewCustomAdapter(Activity a, ArrayList<String> urls, ArrayList<String> teaNames) {
    activity = a;
    urlList = urls;
    teaNameList = teaNames;
    inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    context = activity.getApplicationContext();
    imageLoader = ImageLoader.getInstance();
    
    //configuration for the image loader
    config = new ImageLoaderConfiguration.Builder(context) 
      .threadPriority(Thread.NORM_PRIORITY-1)
      .threadPoolSize(5)
      .denyCacheImageMultipleSizesInMemory()
      .diskCacheFileNameGenerator(new Md5FileNameGenerator())
      .diskCacheSize(10*1024*1024)
      .tasksProcessingOrder(QueueProcessingType.LIFO)
      .build();
    
    //options for displaying the images
    options = new DisplayImageOptions.Builder()
      .showImageOnLoading(R.drawable.not_found_exclamation)
      .showImageForEmptyUri(R.drawable.not_found_exclamation)
      .showImageOnFail(R.drawable.not_found_exclamation)
      .cacheInMemory(true)
      .cacheOnDisk(true)
      .considerExifParams(true)
      .bitmapConfig(Bitmap.Config.RGB_565)
      .build();
    
    imageLoader.init(config);
  }
  
  public int getCount() {
    return urlList.size();
  }
  
  public Object getItem(int pos) {
    return pos;
  }
  
  public long getItemId(int pos) {
    return pos;
  }
  
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    LinearLayout Llayout=new LinearLayout(context);       
      ImageView imageView = new ImageView(context);
      TextView tv = new TextView(context);
      
      Typeface type=Typeface.createFromAsset(context.getAssets(),
              "DroidSans.ttf");
      
      Llayout.setOrientation(LinearLayout.VERTICAL);
      //Log.d(TAG, urlList.get(position));
      imageLoader.displayImage(urlList.get(position), imageView, options);
      tv.setText(teaNameList.get(position));
      tv.setTextColor(Color.argb(255, 69, 102, 247));
      tv.setTextSize(16);
      tv.setTypeface(type, Typeface.BOLD);
        
      /* need to set pictures relative to screen size */
      DisplayMetrics metrics = context.getResources().getDisplayMetrics();
      int width = metrics.widthPixels;
      
        imageView.setScaleType(ImageView.ScaleType.FIT_XY);
        imageView.setLayoutParams(new GridView.LayoutParams((int) ((width/2)*.95), 300));
        
        Llayout.addView(imageView);
        Llayout.addView(tv);
        return Llayout;
  }
}

Java Source Code List

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