Android Open Source - Android-ToolbarButton Refresh Button

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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 toolbarelements;
/*www . jav a 2s. co  m*/
import com.example.example.R;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.OvalShape;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.animation.LinearInterpolator;
import android.view.animation.Animation.AnimationListener;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.app.Activity;

/*
 * Deprecation & NewApi caught without having any effect on application.
 */
@SuppressLint("NewApi")
@SuppressWarnings("deprecation")
public class RefreshButton extends ToolBarButton
{
  protected ImageView doneIcon;
  private Animation scaleanimation;
  private boolean animated = false;

  public RefreshButton(Context context, int DrawableID)
  {
    super(context, DrawableID);
    addDoneIcon(context);
    initScaleAnimation();
  }

  public void initScaleAnimation()
  {
    Animation scaleup = AnimationUtils.loadAnimation(context, R.anim.abc_fade_in);
    scaleup.setDuration(200);
    rotation.setInterpolator(new LinearInterpolator());

    scaleanimation = scaleup;
    scaleup.setAnimationListener(new AnimationListener()
    {
      public void onAnimationStart(Animation animation)
      {
        doneIcon.setVisibility(ImageView.VISIBLE);
      }

      public void onAnimationRepeat(Animation animation)
      {

      }

      public void onAnimationEnd(Animation animation)
      {
        foreGround.clearAnimation();
        Animation scaledown = AnimationUtils.loadAnimation(context, R.anim.abc_fade_out);
        scaledown.setDuration(300);
        scaledown.setStartOffset(2000);
        scaledown.setAnimationListener(new AnimationListener()
        {
          public void onAnimationStart(Animation animation)
          {

          }

          public void onAnimationRepeat(Animation animation)
          {

          }

          public void onAnimationEnd(Animation animation)
          {
            doneIcon.setVisibility(ImageView.INVISIBLE);
            getMe().setTouchable(true);
          }
        });
        doneIcon.clearAnimation();
        doneIcon.setAnimation(scaledown);
      }
    });
  }

  private RefreshButton getMe()
  {
    return this;
  }

  protected void addDoneIcon(Context context)
  {
    doneIcon = new ImageView(context);
    doneIcon.setImageDrawable(context.getResources().getDrawable(R.drawable.ic_action_done));
    doneIcon.setVisibility(ImageView.INVISIBLE);

    ShapeDrawable backgroundShape = new ShapeDrawable(new OvalShape());
    backgroundShape.getPaint().setColor(Color.WHITE);

    /*
     * Split into before and after version 16 because of the replacement of
     * setBackgroundDrawable by setBackground
     */
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN)
    {
      doneIcon.setBackground(backgroundShape);
    } else
    {
      doneIcon.setBackgroundDrawable(backgroundShape);
    }

    float scale = context.getResources().getDisplayMetrics().density;
    RelativeLayout.LayoutParams paramethers = new RelativeLayout.LayoutParams((int) (32 * scale), (int) (32 * scale));
    paramethers.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE);
    paramethers.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE);

    this.addView(doneIcon, paramethers);
  }

  /*
   * Make sure you won't refresh to much.
   */
  public void startAnimation(Animation a)
  {
    this.animation = a;
    animated = true;
    foreGround.startAnimation(a);
    setTouchable(false);
  }

  public void cancelAnimation()
  {
    ((Activity)context).runOnUiThread(new Runnable()
    {
      public void run()
      {
        if (animated)
        {
          doneIcon.clearAnimation();
          doneIcon.startAnimation(scaleanimation);
        }
        getMe().setClickable(true);
      }
    });
  }
}

Java Source Code List

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