Android Open Source - AndroidCircularMenu Circular View

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From Project

Back to project page AndroidCircularMenu.

License

The source code is released under:

Apache License

Java Source Code

package es.madgeeklabs.circularview.views;
/*www.j  ava2  s  .co  m*/
import java.util.HashMap;

import com.nineoldandroids.animation.Animator;
import com.nineoldandroids.animation.Animator.AnimatorListener;
import com.nineoldandroids.animation.ObjectAnimator;

import es.madgeeklabs.circularview.R;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;

public class CircularView extends RelativeLayout{

  private static final String TAG = CircularView.class.getName();
  public static final int EXPAND = 0;
  public static final int ROLL = 0;
  private int centerId = 1337;
  private int radius = 200;
  private int widthElement;
  private int heightElement;
  private int numberOfElements;
  private boolean animation = false;
  private int animationType;
  private HashMap<Integer, Drawable> drawables;
  private int [] elems;
  View center;
  
  public CircularView(Context context, AttributeSet attrs) {
    super(context, attrs);
    TypedArray a = context.getTheme().obtainStyledAttributes(
            attrs,
            R.styleable.CircleMenu,
            0, 0);
    center = new View(context);
    center.setId(centerId);
    RelativeLayout.LayoutParams lpcenter = new RelativeLayout.LayoutParams(0, 0);
    lpcenter.addRule(CENTER_HORIZONTAL);
    lpcenter.addRule(CENTER_VERTICAL);
    center.setLayoutParams(lpcenter);
    this.addView(center);
    
    int width = this.getMeasuredWidth();
    Log.d(TAG, "size is: " + width);
    
    if (isInEditMode()) {
      center.setBackgroundColor(getResources().getColor(R.color.Red));
      ImageView preview = new ImageView(getContext());
      preview.setImageDrawable(getResources().getDrawable(R.drawable.stroke_circle));
      RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
                  LayoutParams.MATCH_PARENT,
                  LayoutParams.MATCH_PARENT);
      lp.setMargins(0, 0, 1, 1);
      preview.setLayoutParams(lp);
      this.addView(preview);
    }
  }


  @Override
  protected void onSizeChanged(int w, int h, int oldw, int oldh) {
    super.onSizeChanged(w, h, oldw, oldh);
    Log.d(TAG, "size in measure " + w);
    radius = ((int) w / 2 )- widthElement;
    if (! isInEditMode()) {
      setElements();
    }
  }

  public void paint() {
    setElements();
  }

  public void setResources (HashMap<Integer, Drawable> drawables) {
    this.drawables = drawables;
  }
  public void setElements (int [] elements) {
    this.elems = elements;
  }
  
  public void setRadius (int radius) {
    this.radius = radius;
  }
  
  public void setSizeOfElements (int width, int heigth) {
    this.widthElement = width;
    this.heightElement = heigth;
  }
  
  public void setStatus (int element, int status) {
    elems[element] = status;
    setElements();
  }
  
  public void setAnimation(int type) {
    this.animation = true;
    animationType = type;
  }
  
  private void setElements () {
    Log.d(TAG,"elems: " + elems.length);
    for (int i = 0; i < elems.length; i++) {
      
      final ImageView elem = new ImageView(getContext());
      
      elem.setImageDrawable(drawables.get(elems[i]));
          RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
                             widthElement,
                             heightElement);
          lp.addRule(RelativeLayout.ABOVE, center.getId());
          lp.addRule(RIGHT_OF, center.getId());
  

          int deltaX = widthElement / 2;
          int deltaY = heightElement / 2;
          
          lp.setMargins(((int) (radius * Math.sin(2 * Math.PI * i
                             / elems.length)) - deltaX), 0, 0, ((int) (radius * Math
                             .cos(2 * Math.PI * i / elems.length)) - deltaY));
          
          Log.d(TAG, "position " + (radius * Math.sin(2 * Math.PI * i / numberOfElements) - deltaX) + " " + 
              ((radius * Math.cos(2 * Math.PI * i / elems.length)) - deltaY));
          elem.setLayoutParams(lp);
          this.addView(elem); 
          
          if (animation) {
            addAnimation(elem, i, deltaX, deltaY);
          }
    }
  }


  private void addAnimation(final ImageView elem, int i, int deltaX, int deltaY) {
    elem.setVisibility(GONE);
        
        ObjectAnimator anim = ObjectAnimator.ofFloat(elem, "translationX", -(int)((radius * Math.sin(2 * Math.PI * i
                / elems.length)) - deltaX), 0f );
        ObjectAnimator anim2 = ObjectAnimator.ofFloat(elem, "translationY", (int)((radius * Math.cos(2 * Math.PI * i 
            / elems.length)) - deltaY), 0f );
        anim2.setDuration(100);
        
        anim2.start();
        anim.setDuration(100);
        if (animationType == ROLL) {
          anim2.setStartDelay(i * 50);
            anim.setStartDelay(i * 50);
        }
        
        anim.addListener(new AnimatorListener() {
      
      @Override
      public void onAnimationStart(Animator animation) {
        elem.setVisibility(VISIBLE);
        
      }

      @Override
      public void onAnimationEnd(Animator animation) {
        // TODO Auto-generated method stub
        
      }

      @Override
      public void onAnimationCancel(Animator animation) {
        // TODO Auto-generated method stub
        
      }

      @Override
      public void onAnimationRepeat(Animator animation) {
        // TODO Auto-generated method stub
        
      }
    });
        anim.start();
    
  }
  
}

Java Source Code List

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