Android Open Source - Android-Display-Images-from-SD-Card-Tutorial Lazy Adapter

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Back to project page Android-Display-Images-from-SD-Card-Tutorial.

License

The source code is released under:

Apache License

Java Source Code

package com.androidbegin.sdimagetutorial;
/* w  w w  .  j a v a  2s. com*/
import android.app.Activity;
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 LazyAdapter extends BaseAdapter {

  // Declare variables
  private Activity activity;
  private String[] data;
  private String[] name;

  private static LayoutInflater inflater = null;
  public ImageLoader imageLoader;

  public LazyAdapter(Activity a, String[] d, String[] n) {
    activity = a;
    data = d;
    name = n;
    inflater = (LayoutInflater) activity
        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    imageLoader = new ImageLoader(activity.getApplicationContext());
  }

  public int getCount() {
    return data.length;

  }

  public Object getItem(int position) {
    return position;
  }

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

  public View getView(int position, View convertView, ViewGroup parent) {
    View vi = convertView;
    if (convertView == null)
      vi = inflater.inflate(R.layout.gridview_item, null);
    // Locate the TextView in item.xml
    TextView text = (TextView) vi.findViewById(R.id.text);
    // Locate the ImageView in item.xml
    ImageView image = (ImageView) vi.findViewById(R.id.image);
    // Capture position and set to the TextView
    text.setText(name[position]);
    // Capture position and set to the ImageView
    imageLoader.DisplayImage(data[position], image);
    return vi;
  }
}

Java Source Code List

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