Android Open Source - Now_Manager Add Floating Action Button

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Back to project page Now_Manager.

License

The source code is released under:

Apache License

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Java Source Code

package com.collinguarino.nowmanager.floating;
/*  w  w w  .  j  av a 2  s  . c  om*/
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.Shape;
import android.util.AttributeSet;

import com.collinguarino.nowmanager.R;

public class AddFloatingActionButton extends FloatingActionButton {
  int mPlusColor;

  public AddFloatingActionButton(Context context) {
    this(context, null);
  }

  public AddFloatingActionButton(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  public AddFloatingActionButton(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }

  @Override
  void init(Context context, AttributeSet attributeSet) {
    if (attributeSet != null) {
      TypedArray attr = context.obtainStyledAttributes(attributeSet, R.styleable.AddFloatingActionButton, 0, 0);
      if (attr != null) {
        try {
          mPlusColor = attr.getColor(R.styleable.AddFloatingActionButton_plusIconColor, getColor(android.R.color.white));
        } finally {
          attr.recycle();
        }
      }
    } else {
      mPlusColor = getColor(android.R.color.white);
    }

    super.init(context, attributeSet);
  }

  @Override
  Drawable getIconDrawable() {
    final float iconSize = getDimension(R.dimen.fab_icon_size);
    final float iconHalfSize = iconSize / 2f;

    final float plusSize = getDimension(R.dimen.fab_plus_icon_size);
    final float plusHalfStroke = getDimension(R.dimen.fab_plus_icon_stroke) / 2f;
    final float plusOffset = (iconSize - plusSize) / 2f;

    final Shape shape = new Shape() {
      @Override
      public void draw(Canvas canvas, Paint paint) {
        canvas.drawRect(plusOffset, iconHalfSize - plusHalfStroke, iconSize - plusOffset, iconHalfSize + plusHalfStroke, paint);
        canvas.drawRect(iconHalfSize - plusHalfStroke, plusOffset, iconHalfSize + plusHalfStroke, iconSize - plusOffset, paint);
      }
    };

    ShapeDrawable drawable = new ShapeDrawable(shape);

    final Paint paint = drawable.getPaint();
    paint.setColor(mPlusColor);
    paint.setStyle(Style.FILL);
    paint.setAntiAlias(true);

    return drawable;
  }
}

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