CircularContactView.java

package lb.listviewvariants.utils;

import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.OvalShape;
import android.media.ThumbnailUtils;
import android.os.Build;
import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.Gravity;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.TextView;
import android.widget.ViewSwitcher;

import lb.listviewvariants.R;

public class CircularContactView extends ViewSwitcher
  {
  //  private static final int DEFAULT_CONTENT_SIZE_IN_DP=20;
  private ImageView mImageView;
  private TextView mTextView;
  private Bitmap mBitmap;
  private CharSequence mText;
  private int mBackgroundColor=0, mImageResId=0;
  private int mContentSize;

  public CircularContactView(final Context context)
    {
    this(context,null);
    }

  @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
  public CircularContactView(final Context context,final AttributeSet attrs)
    {
    super(context,attrs);
    addView(mImageView=new ImageView(context),new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT,
        LayoutParams.MATCH_PARENT,Gravity.CENTER));
    addView(mTextView=new TextView(context),new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT,
        LayoutParams.MATCH_PARENT,Gravity.CENTER));
    mTextView.setGravity(Gravity.CENTER);
    if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.ICE_CREAM_SANDWICH)
      mTextView.setAllCaps(true);
    mContentSize=getResources().getDimensionPixelSize(R.dimen.list_item__contact_imageview_size);
    if(isInEditMode())
      setTextAndBackgroundColor("",0xFFff0000);
    }

  public void setContentSize(final int contentSize)
    {
    this.mContentSize=contentSize;
    }

  @SuppressWarnings("deprecation")
  private void drawContent(final int viewWidth,final int viewHeight)
    {
    ShapeDrawable roundedBackgroundDrawable=null;
    if(mBackgroundColor!=0)
      {
      roundedBackgroundDrawable=new ShapeDrawable(new OvalShape());
      roundedBackgroundDrawable.getPaint().setColor(mBackgroundColor);
      roundedBackgroundDrawable.setIntrinsicHeight(viewHeight);
      roundedBackgroundDrawable.setIntrinsicWidth(viewWidth);
      roundedBackgroundDrawable.setBounds(new Rect(0,0,viewWidth,viewHeight));
      }
    if(mImageResId!=0)
      {
      mImageView.setBackgroundDrawable(roundedBackgroundDrawable);
      mImageView.setImageResource(mImageResId);
      mImageView.setScaleType(ScaleType.CENTER_INSIDE);
      }
    else if(mText!=null)
      {
      mTextView.setText(mText);
      mTextView.setBackgroundDrawable(roundedBackgroundDrawable);
      mTextView.setTextSize(TypedValue.COMPLEX_UNIT_PX, viewHeight / 2);
      }
    else if(mBitmap!=null)
      {
      mImageView.setScaleType(ScaleType.FIT_CENTER);
      mImageView.setBackgroundDrawable(roundedBackgroundDrawable);
      if(mBitmap.getWidth()!=mBitmap.getHeight())
        mBitmap=ThumbnailUtils.extractThumbnail(mBitmap,viewWidth,viewHeight);
      final RoundedBitmapDrawable roundedBitmapDrawable=RoundedBitmapDrawableFactory.create(getResources(),
          mBitmap);
      roundedBitmapDrawable.setCornerRadius((mBitmap.getWidth()+mBitmap.getHeight())/4);
      mImageView.setImageDrawable(roundedBitmapDrawable);
      }
    resetValuesState(false);
    }

  public void setTextAndBackgroundColor(final CharSequence text,final int backgroundColor)
    {
    resetValuesState(true);
    while(getCurrentView()!=mTextView)
      showNext();
    this.mBackgroundColor=backgroundColor;
    mText=text;
    drawContent(mContentSize,mContentSize);
    }

  public void setImageResource(final int imageResId,final int backgroundColor)
    {
    resetValuesState(true);
    while(getCurrentView()!=mImageView)
      showNext();
    mImageResId=imageResId;
    this.mBackgroundColor=backgroundColor;
    drawContent(mContentSize,mContentSize);
    }

  public void setImageBitmap(final Bitmap bitmap)
    {
    setImageBitmapAndBackgroundColor(bitmap,0);
    }

  public void setImageBitmapAndBackgroundColor(final Bitmap bitmap,final int backgroundColor)
    {
    resetValuesState(true);
    while(getCurrentView()!=mImageView)
      showNext();
    this.mBackgroundColor=backgroundColor;
    mBitmap=bitmap;
    drawContent(mContentSize,mContentSize);
    }

  private void resetValuesState(final boolean alsoResetViews)
    {
    mBackgroundColor=mImageResId=0;
    mBitmap=null;
    mText=null;
    if(alsoResetViews)
      {
      mTextView.setText(null);
      mTextView.setBackgroundDrawable(null);
      mImageView.setImageBitmap(null);
      mImageView.setBackgroundDrawable(null);
      }
    }

  public ImageView getImageView()
    {
    return mImageView;
    }

  public TextView getTextView()
    {
    return mTextView;
    }

  }