KBubblesView.java

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.BitmapDrawable;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.style.ImageSpan;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.widget.EditText;
import android.widget.TextView;
import java.util.ArrayList;

/**
 * Created by Kalpesh Talkar on 20/05/16.
 */
public class KBubblesView extends EditText {

    private Context context;

    // Constructors
    public KBubblesView(Context context) {
        super(context);
        init(context);
    }

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

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

    // Init method
    void init(Context context) {
        // Initialization codegoes here
        this.context = context;
    }

    // Set bubbles
    public void setBubbles(ArrayList<TimeOfOperation> bubbles) {
        if (bubbles== null|| bubbles.size() == 0) {
            TimeOfOperation noData = new TimeOfOperation();
            noData.setStartTime("No Data Available");
            bubbles = new ArrayList<>();
            bubbles.add(noData);
            setBubbles(bubbles);
        }
        if (bubbles.size() > 0) {
            // Get coma separated string from the array
            StringBuffer sbf = new StringBuffer();
            for (int i = 0; i < bubbles.size(); i++) {
                String data = bubbles.get(i).getStartTime()+" to "+bubbles.get(i).getEndTime();
                sbf.append(data);
                //sbf.append(bubbles.get(i));

                // Append separator
                sbf.append("_");
            }

            // Set text
            setText(sbf.toString());

            SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(getText());

            int x = 0;

            // Loop will generate ImageSpan for every country name separated by comma
            for (String bubble : bubbles) {
                // inflate bubbles layout
                LayoutInflater layoutInflater = (LayoutInflater) getContext().getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
                TextView bubbleLabel = (TextView) layoutInflater.inflate(R.layout.bubble_layout, null);

                // Set text
                bubbleLabel.setText(bubble);
                bubbleLabel.setBackgroundColor(Color.parseColor("#808080"));

                // capture bitmapt of genreated textview
                int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
                bubbleLabel.measure(spec, spec);
                bubbleLabel.layout(0, 0, bubbleLabel.getMeasuredWidth(), bubbleLabel.getMeasuredHeight());

                Bitmap bitmap = Bitmap.createBitmap(bubbleLabel.getWidth(), bubbleLabel.getHeight(), Bitmap.Config.ARGB_8888);
                Canvas canvas = new Canvas(bitmap);
                canvas.translate(-bubbleLabel.getScrollX(), -bubbleLabel.getScrollY());
                bubbleLabel.draw(canvas);
                bubbleLabel.setDrawingCacheEnabled(true);
                Bitmap cacheBmp = bubbleLabel.getDrawingCache();
                Bitmap viewBitmap = cacheBmp.copy(Bitmap.Config.ARGB_8888, true);

                // Destroy drawable
                bubbleLabel.destroyDrawingCache();

                // Create bitmap drawable for imagespan
                BitmapDrawable bmpDrawable = new BitmapDrawable(context.getResources(), viewBitmap);
                bmpDrawable.setBounds(0, 0, bmpDrawable.getIntrinsicWidth(), bmpDrawable.getIntrinsicHeight());

                // create and set imagespan
                spannableStringBuilder.setSpan(new ImageSpan(bmpDrawable), x, x + c.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
                x = x + c.length() + 1;
            }

            // set bubbles span
            setText(spannableStringBuilder);
        }
    }

}