Android Open Source - Android-ToolbarButton Tool Bar 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;
/*  w  w w.  j ava 2s  .  co m*/

import com.example.example.R;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.OvalShape;
import android.support.v7.widget.Toolbar;
import android.view.Gravity;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.AnimationUtils;
import android.view.animation.LinearInterpolator;
import android.view.animation.RotateAnimation;
import android.view.animation.Animation.AnimationListener;
import android.widget.ImageView;
import android.widget.RelativeLayout;

/*
 * Deprecation & NewApi caught without having any effect on application.
 */
@SuppressLint(
{ "RtlHardcoded", "InflateParams", "ClickableViewAccessibility", "NewApi" })
@SuppressWarnings("deprecation")
public class ToolBarButton extends RelativeLayout
{
  protected View background;
  protected ImageView foreGround;
  public Animation rotation;
  protected OnClickListener listener;
  protected Context context;
  protected Animation animation;
  protected boolean touchable = true;

  public ToolBarButton(Context context, int DrawableID)
  {
    super(context);
    this.context = context;
    initBackground();
    StandardInit(context.getResources().getDrawable(DrawableID));
  }

  public ToolBarButton(Context context, Drawable foregroundDrawable)
  {
    super(context);
    this.context = context;
    initBackground();
    StandardInit(foregroundDrawable);
  }

  public ToolBarButton(Context context, Drawable foregroundDrawable, View backgroundView, RelativeLayout.LayoutParams backgroundViewLayoutParams)
  {
    super(context);
    this.context = context;
    this.background = backgroundView;
    this.addView(backgroundView, backgroundViewLayoutParams);
    StandardInit(foregroundDrawable);
  }

  public void StandardInit(Drawable foregroundDrawable)
  {
    initSelf();
    initForeGround(foregroundDrawable);
    initRotation();
    setEvents();
  }

  protected void initSelf()
  {
    this.setLayoutParams(new RelativeLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
  }

  public void initForeGround(Drawable foregroundDrawable)
  {
    foreGround = new ImageView(context);
    foreGround.setImageDrawable(foregroundDrawable);
    float scale = context.getResources().getDisplayMetrics().density;
    RelativeLayout.LayoutParams foregroundLayoutParamethers = new RelativeLayout.LayoutParams((int) (32 * scale), (int) (32 * scale));
    foregroundLayoutParamethers.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE);
    foregroundLayoutParamethers.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE);
    this.addView(foreGround, foregroundLayoutParamethers);
  }

  protected void initBackground()
  {
    background = new View(context);
    background.setAlpha(0);
    float scale = context.getResources().getDisplayMetrics().density;

    ShapeDrawable backgroundShape = new ShapeDrawable(new OvalShape());
    backgroundShape.getPaint().setColor(Color.argb(50, 255, 255, 255));

    /*
     * 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)
    {
      background.setBackground(backgroundShape);
    } else
    {
      background.setBackgroundDrawable(backgroundShape);
    }

    RelativeLayout.LayoutParams backgroundLayoutParamethers = new RelativeLayout.LayoutParams((int) (45 * scale), (int) (45 * scale));
    backgroundLayoutParamethers.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE);
    backgroundLayoutParamethers.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE);
    this.addView(background, backgroundLayoutParamethers);
  }

  protected void initRotation()
  {
    rotation = new RotateAnimation(0f, 360, RotateAnimation.RELATIVE_TO_SELF, 0.5f, RotateAnimation.RELATIVE_TO_SELF, 0.5f);
    rotation.setDuration(500);
    rotation.setInterpolator(new LinearInterpolator());
    rotation.setRepeatCount(Animation.INFINITE);
  }

  protected void setEvents()
  {
    background.setOnClickListener(new OnClickListener()
    {
      public void onClick(View v)
      {
        if (touchable)
        {
          doClickAnimation();
          if(listener!=null)
          {
            listener.onClick(v);
          }
        }
      }
    });
  }

  protected void doClickAnimation()
  {
    Animation in = AnimationUtils.loadAnimation(context, R.anim.abc_fade_in);
    in.setDuration(50);
    in.setRepeatCount(0);

    Animation out = AnimationUtils.loadAnimation(context, R.anim.abc_fade_out);
    out.setDuration(300);
    out.setStartOffset(50);
    out.setRepeatCount(0);

    AnimationSet as = new AnimationSet(false);
    as.addAnimation(in);
    as.addAnimation(out);
    as.setAnimationListener(new AnimationListener()
    {
      public void onAnimationStart(Animation animation)
      {
        background.setAlpha(1);
      }

      public void onAnimationRepeat(Animation animation)
      {

      }

      public void onAnimationEnd(Animation animation)
      {
        background.setAlpha(0);
      }
    });

    background.startAnimation(as);
  }

  public void startAnimation(Animation a)
  {
    this.animation = a;
    foreGround.startAnimation(a);
  }

  /*
   * returns true if there was an animation to cancel, returns false
   * otherwise.
   */
  public void cancelAnimation()
  {
    foreGround.clearAnimation();
  }

  public void setOnClickListener(OnClickListener l)
  {
    listener = l;
  }

  public void addToToolbar(Toolbar toolbar)
  {
    addToToolbar(toolbar, Gravity.RIGHT);
  }

  public void addToToolbar(Toolbar toolbar, int gravity)
  {
    Toolbar.LayoutParams lp = new Toolbar.LayoutParams(gravity);
    lp.setMargins(0, 0, 10, 0);
    toolbar.addView(this, lp);
  }

  public boolean isTouchable()
  {
    return touchable;
  }

  public void setTouchable(boolean touchable)
  {
    this.touchable = touchable;
  }
}

Java Source Code List

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