Android Open Source - PulltorefreshListView Pull To Refresh List View

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License

The source code is released under:

Apache License

Java Source Code

package yaochangwei.pulltorefreshlistview.widget.extend;
//from w  w  w .  j a  v a 2s.  c  o m
/**
 * 
 * @author Yao Changwei(yaochangwei@gmail.com)
 * 
 *        Pull To  Refresh List View Demo, Including the arrow and text change.
 */

import yaochangwei.pulltorefreshlistview.R;
import yaochangwei.pulltorefreshlistview.widget.RefreshableListView;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;

public class PullToRefreshListView extends RefreshableListView {

  public PullToRefreshListView(final Context context, AttributeSet attrs) {
    super(context, attrs);
    addPullDownRefreshFeature(context);

    /*if you do not need the pull up to refresh, just uncomment follow line.*/
    // addPullUpRefreshFeature(context);
  }

  private void addPullDownRefreshFeature(final Context context) {

    setContentView(R.layout.pull_to_refresh);
    mListHeaderView.setBackgroundColor(0xffe0e0e0);
    setOnHeaderViewChangedListener(new OnHeaderViewChangedListener() {

      @Override
      public void onViewChanged(View v, boolean canUpdate) {
        TextView tv = (TextView) v.findViewById(R.id.refresh_text);
        ImageView img = (ImageView) v.findViewById(R.id.refresh_icon);
        Animation anim;
        if (canUpdate) {
          anim = AnimationUtils.loadAnimation(context,
              R.anim.rotate_up);
          tv.setText(R.string.refresh_release);
        } else {
          tv.setText(R.string.refresh_pull_down);
          anim = AnimationUtils.loadAnimation(context,
              R.anim.rotate_down);
        }
        img.startAnimation(anim);
      }

      @Override
      public void onViewUpdating(View v) {
        TextView tv = (TextView) v.findViewById(R.id.refresh_text);
        ImageView img = (ImageView) v.findViewById(R.id.refresh_icon);
        ProgressBar pb = (ProgressBar) v
            .findViewById(R.id.refresh_loading);
        pb.setVisibility(View.VISIBLE);
        tv.setText(R.string.loading);
        img.clearAnimation();
        img.setVisibility(View.INVISIBLE);
      }

      @Override
      public void onViewUpdateFinish(View v) {
        TextView tv = (TextView) v.findViewById(R.id.refresh_text);
        ImageView img = (ImageView) v.findViewById(R.id.refresh_icon);
        ProgressBar pb = (ProgressBar) v
            .findViewById(R.id.refresh_loading);

        tv.setText(R.string.refresh_pull_down);
        pb.setVisibility(View.INVISIBLE);
        tv.setVisibility(View.VISIBLE);
        img.setVisibility(View.VISIBLE);
      }

    });
  }

  private void addPullUpRefreshFeature(final Context context) {
    this.setBottomContentView(R.layout.pull_to_refresh_bottom);
    mListBottomView.setBackgroundColor(0xffe0e0e0);
    this.setOnBottomViewChangedListener(new OnBottomViewChangedListener() {

      @Override
      public void onViewChanged(View v, boolean canUpdate) {
        TextView tv = (TextView) v.findViewById(R.id.refresh_text);
        ImageView img = (ImageView) v.findViewById(R.id.refresh_icon);
        Animation anim;
        if (canUpdate) {
          anim = AnimationUtils.loadAnimation(context,
              R.anim.rotate_up);
          tv.setText(R.string.refresh_release);
        } else {
          tv.setText(R.string.refresh_pull_up);
          anim = AnimationUtils.loadAnimation(context,
              R.anim.rotate_down);
        }
        img.startAnimation(anim);
      }

      @Override
      public void onViewUpdating(View v) {
        TextView tv = (TextView) v.findViewById(R.id.refresh_text);
        ImageView img = (ImageView) v.findViewById(R.id.refresh_icon);
        ProgressBar pb = (ProgressBar) v
            .findViewById(R.id.refresh_loading);
        pb.setVisibility(View.VISIBLE);
        tv.setText(R.string.loading);
        img.clearAnimation();
        img.setVisibility(View.INVISIBLE);
      }

      @Override
      public void onViewUpdateFinish(View v) {
        TextView tv = (TextView) v.findViewById(R.id.refresh_text);
        ImageView img = (ImageView) v.findViewById(R.id.refresh_icon);
        ProgressBar pb = (ProgressBar) v
            .findViewById(R.id.refresh_loading);

        tv.setText(R.string.refresh_pull_up);
        pb.setVisibility(View.INVISIBLE);
        tv.setVisibility(View.VISIBLE);
        img.setVisibility(View.VISIBLE);
      }

    });
  }

}

Java Source Code List

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